ChemElectroChem

Cover image for Vol. 4 Issue 3

March 2017

Volume 4, Issue 3

Pages 456–745

  1. Cover Pictures

    1. Top of page
    2. Cover Pictures
    3. Cover Profile
    4. Concepts
    5. Communications
    6. Articles
    1. You have free access to this content
      Cover Picture: Sodium Carboxymethylcellulose Derived Oxygen-Rich Porous Carbon Anodes for High-Performance Lithium/Sodium-Ion Batteries (ChemElectroChem 3/2017) (page 456)

      Dr. Yongzhi Zhang, Yan Meng, Yujue Wang, Dr. Li Chen, Prof. Yong Guo and Prof. Dan Xiao

      Version of Record online: 14 FEB 2017 | DOI: 10.1002/celc.201700145

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      The Front Cover picture shows the possibility of CMC (white balls) being used as a green binder in the anode of lithium-ion or sodium-ion batteries, employing an oxygen-containing carbon precursor to prepare oxygen-rich porous carbon (OPC, black-gray short rods), and then the carbon material can be used as the active material in the same anode. More information can be found in the Article by Y. Zhang et al. on page 500 in Issue 3, 2017 (DOI: 10.1002/celc.201600577).

    2. You have free access to this content
      Inside Cover: Correlation between CO Oxidation and H Adsorption/Desorption on Pt Surfaces in a Wide pH Range: The Role of Alkali Cations (ChemElectroChem 3/2017) (page 457)

      Dr. Gonzalo García

      Version of Record online: 14 FEB 2017 | DOI: 10.1002/celc.201700146

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      The Inside Cover picture shows an artistic view of a metal cation and oxygenated species interacting with open surfaces, which produces the non-Nernstian shift with the pH for CO oxidation and H adsorption/desorption reactions. More details can be found in the Concept by G. García on page 481 in Issue 3, 2017 (DOI: 10.1002/celc.201600731).

    3. You have free access to this content
      Inside Back Cover: Graphene/V2O5 Cryogel Composite As a High-Energy Cathode Material For Lithium-Ion Batteries (ChemElectroChem 3/2017) (page 746)

      Fabio Maroni, Agnese Birrozzi, Gilberto Carbonari, Fausto Croce, Roberto Tossici, Stefano Passerini and Francesco Nobili

      Version of Record online: 22 FEB 2017 | DOI: 10.1002/celc.201700147

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      The Inside Back Cover picture highlights the very high capacity values obtained by the proposed cathode material. Its behavior is rooted in the displayed nanocomposite structure, in which graphene nanosheets and V2O5 synergistically enhance performance by stabilizing the morphology. More information can be found in the Article by F. Maroni et al. on page 613 in Issue 3, 2017 (DOI: 10.1002/celc.201600798).

    4. You have free access to this content
      Back Cover: Amorphous Ni0.75Fe0.25(OH)2-Decorated Layered Double Perovskite Pr0.5Ba0.5CoO3-δ for Highly Efficient and Stable Water Oxidation (ChemElectroChem 3/2017) (page 747)

      Prof. Fengli Liang, Prof. Jaka Sunarso, Prof. Junkui Mao, Ziqiong Yang and Prof. Wei Zhou

      Version of Record online: 14 FEB 2017 | DOI: 10.1002/celc.201700148

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      The Back Cover picture illustrates that an amorphous Ni0.75Fe0.25(OH)2 decorator can boost the activity and stability of double perovskites for the oxygen reduction reaction in alkaline media. More information can be found in the Article by F. Liang, W. Zhou, and co-workers on page 550 in Issue 3, 2017 (DOI: 10.1002/celc.201600718).

  2. Cover Profile

    1. Top of page
    2. Cover Pictures
    3. Cover Profile
    4. Concepts
    5. Communications
    6. Articles
    1. You have free access to this content
      Sodium Carboxymethylcellulose Derived Oxygen-Rich Porous Carbon Anodes for High-Performance Lithium/Sodium-Ion Batteries (page 458)

      Dr. Yongzhi Zhang, Yan Meng, Yujue Wang, Dr. Li Chen, Prof. Yong Guo and Prof. Dan Xiao

      Version of Record online: 14 FEB 2017 | DOI: 10.1002/celc.201700144

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      “Sodium carboxymethylcellulose (CMC) is used as an oxygen-containing carbon precursor to prepare oxygen-rich porous carbon (OPC) by using a silica template process. The obtained OPC possesses a high O content of 8.63 wt % and porous structure, exhibiting excellent lithium and sodium anodic performances. The cover picture is used to highlight this work of converting CMC into oxygen-rich porous carbons and their application in anodes for lithium-/sodium-ion batteries…” Find out more about the story behind the front cover research at 10.1002/celc.201600577.

  3. Concepts

    1. Top of page
    2. Cover Pictures
    3. Cover Profile
    4. Concepts
    5. Communications
    6. Articles
    1. Correlation between CO Oxidation and H Adsorption/Desorption on Pt Surfaces in a Wide pH Range: The Role of Alkali Cations (pages 459–462)

      Dr. Gonzalo García

      Version of Record online: 20 JAN 2017 | DOI: 10.1002/celc.201600731

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      Common ground: Hydrogen desorption and carbon monoxide oxidation on Pt surfaces change with similar absolute values along a wide pH range. In addition, non-pure Nernstian behavior is developed at open surfaces. Thus, a common process in both electrochemical reactions appears as the most plausible explanation

  4. Communications

    1. Top of page
    2. Cover Pictures
    3. Cover Profile
    4. Concepts
    5. Communications
    6. Articles
    1. Novel Ternary Polymer Electrolytes Based on Poly(lactic acid) from Sustainable Sources (pages 463–467)

      Irene Osada, S. Milad Hosseini, Dr. Sangsik Jeong and Prof. Stefano Passerini

      Version of Record online: 17 JAN 2017 | DOI: 10.1002/celc.201600653

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      Waste not, want not: A lithium metal polymer battery working with a polymer electrolyte based on poly(lactic acid) exhibits a remarkably low charge-transfer resistance. This polymer is produced from lactic acid, which can be obtained from waste and renewable sources.

    2. Major Role of Surface Area in Perovskite Electrocatalysts for Alkaline Systems (pages 468–471)

      Chahwan Hwang, Ohhun Gwon, Hongil Jo, Prof. Kang Min Ok and Prof. Guntae Kim

      Version of Record online: 13 JAN 2017 | DOI: 10.1002/celc.201600755

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      The A-game: We investigate the role of lanthanides and the surface area of perovskite oxides to determine their electrocatalytic properties in processes such as the oxygen reduction and evolution reactions, The electrocatalytic properties of perovskite oxides are not changed by the different kinds of lanthanides in the A-site. However, the surface area and particle size are related to the current density.

    3. A Peptide-Based Electrochemical Biosensor for Facile Measurement of Whole-Blood Heparin (pages 472–475)

      Dr. Fanyu Meng, Weiguo Liang, Dr. Haixuan Sun, Ligang Wu, Prof. Xiao Gong and Prof. Peng Miao

      Version of Record online: 19 JAN 2017 | DOI: 10.1002/celc.201600680

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      Peptide–heparin composites: A simple electrochemical approach for the determination of heparin level in human whole-blood is developed based on specific peptide recognition (see picture).

    4. Function Calculation: A Simple Way to Predict the Geometry Parameters of Self-Organized Titania Nanotube Arrays (pages 476–480)

      Dr. Yan-Xin Chen and Prof.Dr. Timo Jacob

      Version of Record online: 1 FEB 2017 | DOI: 10.1002/celc.201600860

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      Tubes everywhere: Self-organized TiO2 nanotube arrays (TNTAs) were prepared by an anodization process. By adjusting the electrolyte composition and anodization voltage, the obtained nanotubes layers show a high level of flexibility towards controllable tube geometries. Based on the relationships between final morphology and preparation parameters, the final TNTAs’ geometries can be controlled by pre-defining the preparation parameters.

    5. Replacing Oxygen Evolution with Hydrazine Oxidation at the Anode for Energy-Saving Electrolytic Hydrogen Production (pages 481–484)

      Jianmei Wang, Rongmei Kong, Abdullah M. Asiri and Prof. Xuping Sun

      Version of Record online: 30 JAN 2017 | DOI: 10.1002/celc.201600759

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      Better with a CoP: CoP nanarray on Ti Mesh (CoP/TiM) behaves as a bifunctional catalyst for anodic hydrazine oxidation reaction and cathodic hydrogen evolution reaction in alkaline media. The two-electrode electrolyzer made of CoP/TiM requires a cell voltage of only 0.2 V to attain 10 mA cm−2 in 1.0 M KOH with 100 mM hydrazine, with remarkably high long-term electrochemical durability.

    6. Unamplified RNA Sensor for On-Site Screening of Zika Virus Disease in a Limited Resource Setting (pages 485–489)

      Cheng Cheng, Jayne Wu, Erol Fikrig, Penghua Wang, Jiangang Chen, Shigetoshi Eda and Paul Terry

      Version of Record online: 1 FEB 2017 | DOI: 10.1002/celc.201600831

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      Zika detection: The Zika RNA sensor is rapid, sensitive, simple to use, and low cost. It shows good specificity against other nuclei acids as well as a complex sample matrix, demonstrating an excellent linearity over a wide dynamic range from 1.0 pg/mL to 10 ng/mL, equivalent to 187–1,876,000 copies/μL in serum.

    7. Prussian Blue Analogues: A Versatile Framework for Solid-Contact Ion-Selective Electrodes with Tunable Potentials (pages 490–494)

      Dr. Stefan Klink, Yu Ishige and Prof.Dr. Wolfgang Schuhmann

      Version of Record online: 8 FEB 2017 | DOI: 10.1002/celc.201700091

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      Feeling blue: Prussian Blue analogues are suitable intercalation compounds for clinically interesting analytes, such as Na+, K+, Ca2+, and used for the development of solid contact reference electrodes for disposable ion-selective electrodes.

    8. You have full text access to this OnlineOpen article
      Electrochemical Infilling of CuInSe2 within TiO2 Nanotube Layers and Subsequent Photoelectrochemical Studies (pages 495–499)

      Dr. Sayantan Das, Dr. Hanna Sopha, Dr. Milos Krbal, Dr. Raul Zazpe, Dr. Veronika Podzemna, Jan Prikryl and Dr. Jan M. Macak

      Version of Record online: 8 FEB 2017 | DOI: 10.1002/celc.201600763

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      Filling the voids: Electrochemical infilling of CuInSe2 crystals within TiO2 nanotube layers of two different thicknesses is demonstrated in this work. The resulting heterostructure shows significant improvement of photo-electrochemical response in UV and VIS light and opens promising pathway for all-inorganic solar cells.

  5. Articles

    1. Top of page
    2. Cover Pictures
    3. Cover Profile
    4. Concepts
    5. Communications
    6. Articles
    1. Sodium Carboxymethylcellulose Derived Oxygen-Rich Porous Carbon Anodes for High-Performance Lithium/Sodium-Ion Batteries (pages 500–507)

      Dr. Yongzhi Zhang, Yan Meng, Yujue Wang, Dr. Li Chen, Prof. Yong Guo and Prof. Dan Xiao

      Version of Record online: 29 NOV 2016 | DOI: 10.1002/celc.201600577

      Thumbnail image of graphical abstract

      Dual anode applications! Sodium carboxymethylcellulose (CMC) is used as an oxygen-containing carbon precursor to prepare oxygen-rich porous carbon (OPC) in a silica-template process (see the figure for an SEM image of OPC). The obtained OPC possesses a high O content of 8.63 wt % and a porous structure, and exhibits excellent lithium and sodium anodic performance.

    2. Zirconia on Reduced Graphene Oxide Sheets: Synergistic Catalyst with High Selectivity for H2O2 Electrogeneration (pages 508–513)

      Dr. Jussara F. Carneiro, Maria J. Paulo, Mohamed Siaj, Dr. Ana C. Tavares and Dr. Marcos R. V. Lanza

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600760

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      ORR selection: Zirconium oxide on reduced graphene oxide is prepared for the first time by using a hydrothermal method, aiming at improving the selectivity of graphene to H2O2 electrogeneration at low overpotential. The electrocatalytic performance towards the oxygen reduction reaction is also investigated by using a rotating ring-disk electrode in acid and alkaline media.

    3. N-Doped 3D Carbon Aerogel with Trace Fe as an Efficient Catalyst for the Oxygen Reduction Reaction (pages 514–520)

      Qichen Wang, Prof. Zhiyan Chen, Nan Wu, Bing Wang, Wei He, Dr. Yongpeng Lei and Prof. Yingde Wang

      Version of Record online: 20 JAN 2017 | DOI: 10.1002/celc.201600799

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      3D vision: A 3D N-doped carbon aerogel with trace Fe (ca. 0.60 wt%) is reported, displaying an onset and half-potential of 0.918 and 0.798 V in alkaline solution and 0.801 and 0.592 V in acidic media, respectively.

    4. Self-Doped Oligoaniline Electrochromic Devices: Fabrication and Effect of the Oligoaniline Molecular Architecture (pages 521–532)

      Chen Gong, Prof. Jiping Yang, Linyu Cao and Yuchong Gao

      Version of Record online: 11 JAN 2017 | DOI: 10.1002/celc.201600637

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      A star is born: A series of self-doped oligoaniline derivative electrochromic devices are fabricated without any external dopants. The electrochemical and optical tests show that the novel devices have good electrochromic performance, and the relationship between their electrochromic properties and molecular architecture is discussed. The nanoporous morphology of star-shaped oligoaniline molecule facilitates the diffusion and movement of ions in electrochromic device.

    5. Direct and Rapid Electrochemical Detection of Pseudomonas aeruginosa Quorum Signaling Molecules in Bacterial Cultures and Cystic Fibrosis Sputum Samples through Cationic Surfactant-Assisted Membrane Disruption (pages 533–541)

      Alyah Buzid, Dr. F. Jerry Reen, Victor K. Langsi, Eoin Ó Muimhneacháin, Prof. Fergal O'Gara, Dr. Gerard P. McGlacken, Prof. John H. T. Luong and Prof. Jeremy D. Glennon

      Version of Record online: 20 JAN 2017 | DOI: 10.1002/celc.201600590

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      Membrane disruption of bacteria: The differential pulse voltammetry (DPV) is used to detect the Pseudomonas aeruginosa signaling molecules after membrane disruption by the cationic surfactant. The method is applied to detect 2-heptyl-3-hydroxy-4-quinolone (PQS), 2-heptyl-4-hydroxyquinoline (HHQ), and pyocyanin (PYO) in clinical sputum sample of cystic fibrosis (CF) spiked with bacterial culture PAO1 (see picture).

    6. SiO2/Carbon Composite Microspheres with Hollow Core–Shell Structure as a High-Stability Electrode for Lithium-Ion Batteries (pages 542–549)

      Miaolun Jiao, Kunlin Liu, Prof. Zhiqiang Shi and Prof. Chengyang Wang

      Version of Record online: 11 JAN 2017 | DOI: 10.1002/celc.201600658

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      Vacant possession: A SiO2/po-C@C composite used as a lithium-ion battery anode material is synthesized by aerosol spraying, surface coating, and heat treatment. The hollow core–shell structure has sufficient vacant space to accommodate the huge volume changes, which can prevent the particles from pulverization and dramatic capacity loss. Meanwhile, this material exhibits great electrochemical performance in terms of high reversible capacity, excellent rate capability, and good cycle stability.

    7. Amorphous Ni0.75Fe0.25(OH)2-Decorated Layered Double Perovskite Pr0.5Ba0.5CoO3-δ for Highly Efficient and Stable Water Oxidation (pages 550–556)

      Prof. Fengli Liang, Prof. Jaka Sunarso, Prof. Junkui Mao, Ziqiong Yang and Prof. Wei Zhou

      Version of Record online: 11 JAN 2017 | DOI: 10.1002/celc.201600718

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      Keep in contact: Layered double perovskite PrBaCo2O5+δ (PBC) is decorated with a series of nano-sized catalysts, that is, Ni0.75Fe0.25(OH)2, Ni(OH)2, Ni0.75Fe0.25O, NiO, RuO2, and Ag. The amorphous Ni0.75Fe0.25(OH)2-decorated PBC catalyst displays the best oxygen evolution reaction activity and stability in an alkaline medium, even relative to its crystalline Ni0.75Fe0.25(OH)2−decorated PBC counterpart, owing to the larger electrolyte-catalyst contact area for the amorphous decorated catalyst.

    8. {110}-Terminated Square-Shaped Gold Nanoplates and Their Electrochemical Surface Reactivity (pages 557–564)

      Dr. Ying Chen, Dr. Srdjan Milenkovic and Prof. Dr. Achim Walter Hassel

      Version of Record online: 19 JAN 2017 | DOI: 10.1002/celc.201600307

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      On the surface: {110}-Terminated square-shaped gold nanoplates: synthesized by using a metallurgical method have an average edge length and thickness of 70–100 nm and 20–25 nm, respectively. The surface feature is characterized and proven by using convenient surface-sensitive electrochemical methods. The results are compared with {111}-terminated hexagonal-shaped Au nanoplates.

    9. Pseudocapacitance-Enhanced High-Rate Lithium Storage in “Honeycomb”-like Mn2O3 Anodes (pages 565–569)

      Tianzhi Yuan, Prof. Yinzhu Jiang, Qiuting Wang, Bin Pan and Prof. Mi Yan

      Version of Record online: 1 FEB 2017 | DOI: 10.1002/celc.201600588

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      Sweet success! “Honeycomb”-like Mn2O3 films are successfully demonstrated as anodes for lithium-ion batteries. The three-dimensional porous structure can accommodate aggregation and volume changes, as well as increase ionic/electrical conductivity for the electrode. Benefitting from the unique porous structure, the pseudocapacitive effect is strengthened by cycle-induced microstructure evolution, yielding excellent cycling performance and superior rate capability as anode materials for lithium storage.

    10. Platinum Electrodes for Oxygen Reduction Catalysis Designed by Ultrashort Pulse Laser Structuring (pages 570–576)

      Karsten Lange, Dr. Malte Schulz-Ruhtenberg and Prof. Jürgen Caro

      Version of Record online: 2 FEB 2017 | DOI: 10.1002/celc.201600630

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      Laser cats: The catalytic properties of different laser-induced surface structures are investigated for the first time by using platinum plates as the electrode material. Different parameters for picosecond laser structuring of platinum are identified, and their effect on the electrochemical properties are discussed.

    11. Hydrothermal Synthesis of 3D Porous Structure Bi2WO6/Reduced Graphene Oxide Hydrogels for Enhancing Supercapacitor Performance (pages 577–584)

      Huajun Zheng, Guang Yang, Sanming Chen and Yi Jia

      Version of Record online: 6 FEB 2017 | DOI: 10.1002/celc.201600634

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      The 3D BWO/rGO composites hydrogel network structure can provide short ion-/electro-diffusion paths. When investigated as binder-free electrodes for supercapacitor, the composite electrodes exhibit a specific capacitance of 268.7 F/g at 0.75 A/g.

    12. Hematite Nanorod Electrodes Modified with Molybdenum: Photoelectrochemical Studies (pages 585–593)

      Ainhoa Cots, Dejan Cibrev, Dr. Pedro Bonete and Prof. Roberto Gómez

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600644

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      Hang on a Mo: Modification of hematite nanorod electrodes with molybdenum by using an impregnation method leads to a drastic enhancement of their photoactivity.

    13. In Situ Growth of Sn-Doped Ni3S2 Nanosheets on Ni Foam as High-Performance Electrocatalyst for Hydrogen Evolution Reaction (pages 594–600)

      Jing Yu, Fei-Xiang Ma, Dr. Yue Du, Pan-Pan Wang, Prof. Cheng-Yan Xu and Prof. Liang Zhen

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600652

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      Help is in the tin: Sn-doped Ni3S2 nanosheets are grown in situ on Ni foam by using a solvothermal approach, leading to efficient and durable hydrogen evolution reaction performance. The introduction elemental Sn helps to balance the adsorption and desorption of hydrogen, enhance electrical conductivity, and expose more available active sites.

    14. Absorption Spectroelectrochemistry on Mixed Perylenediimide-Based Self-Assembled Monolayers: Non-Linear Dependence of Absorbance versus Surface Coverage (pages 601–606)

      Sihame Bkhach, Dr. Olivier Alévêque, Yohann Morille, Dr. Tony Breton, Prof. Piétrick Hudhomme, Dr. Christelle Gautier and Dr. Eric Levillain

      Version of Record online: 20 JAN 2017 | DOI: 10.1002/celc.201600770

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      Mixed SAMs: The study of mixed self-assembled monolayers of perylenediimide and hexanethiol by cyclic voltammetry and absorption spectroelectrochemistry leads to a non-linearity of absorbance maxima as a function of the surface coverage. This surprising result could be supported by a change of the orientation of immobilized chromophores at low coverage, inducing a modification of the optical properties of the monolayer.

    15. Bouquet-Like NiCo2O4@CoNi2S4 Arrays for High-Performance Pseudocapacitors (pages 607–612)

      Yahui He, Xin Xiao, Lin Gao, Shaohui Li and Prof. Yan Shen

      Version of Record online: 13 FEB 2017 | DOI: 10.1002/celc.201600843

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      A beautiful bouquet: NiCo2O4@CoNi2S4 arrays show excellent performance for pseudocapacitors.

    16. Graphene/V2O5 Cryogel Composite As a High-Energy Cathode Material For Lithium-Ion Batteries (pages 613–619)

      Fabio Maroni, Agnese Birrozzi, Gilberto Carbonari, Fausto Croce, Roberto Tossici, Stefano Passerini and Francesco Nobili

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600798

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      High–energy nanocomposite cathode: Owing to a straightforward synthesis process and an optimized and sustainable electrode-processing procedure, it is possible to prepare a high-energy amorphous V2O5/graphene nanocomposite cathode material able to deliver a specific capacity of over 300 mAhg−1 during galvanostatic cycling tests.

    17. Hollow Hierarchical Carbon Spheres Decorated with Ultrathin Molybdenum Disulfide Nanosheets as High-Capacity Electrode Materials for Asymmetric Supercapacitors (pages 620–627)

      Tsung-Wu Lin, Min-Chien Hsiao, Ai-Yin Wang and Jeng-Yu Lin

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600764

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      All–in–one: A nanocomposite is synthesized by dispersing ultrathin MoS2 nanosheets on the surface of hollow carbon spheres (MoS2@HCS) through a glucose-assisted, one-pot synthesis. When evaluated as the cathode material for supercapacitors, MoS2@HCS exhibits high capacitance and great stability in a KOH electrolyte.

    18. Tailoring Asymmetric Discharge-Charge Rates and Capacity Limits to Extend Li-O2 Battery Cycle Life (pages 628–635)

      Dr. Hugh Geaney and Dr. Colm O'Dwyer

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600662

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      Slow down! This work quantifies the influence of asymmetric charge-discharge operation of Li-O2 battery cells and demonstrates the importance of appropriate discharge/charge rate and depth of discharge selection for directly improving cycle life performance of Li-O2 batteries. Limiting the depth-of-discharge while unbalancing discharge/charge rate symmetry controls the total capacity to extend Li-O2 battery cycle life, and predicts that cycle life at a fixed capacity limit.

    19. Dual-Confined Sulfur in Hybrid Nanostructured Materials for Enhancement of Lithium-Sulfur Battery Cathode Capacity Retention (pages 636–647)

      Tilahun Awoke Zegeye, Prof. Chung-Feng Jeffrey Kuo, Hung-Ming Chen, Dr. Alok Mani Tripathi, Dr. Ming-Hsien Lin, Dr. Ju-Hsiang Cheng, Alemayehu Dubale Duma, Prof. Wei-Nien Su and Prof. Bing-Joe Hwang

      Version of Record online: 13 FEB 2017 | DOI: 10.1002/celc.201600696

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      Double bind: A novel strategy of enhancing capacity retention of a carbon-sulfur cathode is prepared by double confining of sulfur in a microporous carbon-graphene hybrid with the microporous carbon trapping smaller sulfur (S2-4) molecules and graphene trapping polysulfide while maintaining good capacity retention.

    20. Application of Wet Nanostructured Bacterial Cellulose as a Novel Hydrogel Bioanode for Microbial Fuel Cells (pages 648–654)

      Mehrdad Mashkour, Dr. Mostafa Rahimnejad, Dr. Mahdi Mashkour, Dr. Gholamreza Bakeri, Prof. Rafael Luque and Prof. Sang-Eun Oh

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600868

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      A permanent change: Bacterial cellulose (BC) is wet nanostructured porous framework for fabricating a biocompatible anode for microbial fuel cells. Polypyrrole, as a conductive polymer, improves the conductivity of BC and boosts the generated power density. With this new bioanode, because of capillaries between BC fibers and permanent transfer of nutrients, the risk of microorganism spoilage and clogging of the pores in the anode become minimized.

    21. Acetylene Contamination Mechanisms in the Cathode of Proton Exchange Membrane Fuel Cells (pages 655–670)

      Dr. Yunfeng Zhai and Dr. Jean St-Pierre

      Version of Record online: 7 FEB 2017 | DOI: 10.1002/celc.201600666

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      Potent inhibitor: Acetylene in air decreases the oxygen reduction rate and the power output of proton exchange membrane fuel cells. Analytical techniques are used to identify acetylene reaction intermediates and products (see picture). Contamination mechanisms as well as preventive and recovery procedures are proposed.

    22. Li2NaV2(PO4)3/Hard Carbon Nanocomposite Cathodes for High-Performance Li- and Na-Ion Batteries (pages 671–678)

      Zhaoyang Wang, Prof. Wen He, Prof. Xudong Zhang, Prof. Yuanzheng Yue, Prof. Guihua Yang, Xinli Yi, Yaoyao Wang and Jichao Wang

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600818

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      Nanocomposite cathode material:A rhombohedral Li2NaV2(PO4)3 (R-LNVP)/hard carbonnanocomposite is synthesized by using waste lignins as the sources of Na and carbon, in which the R-LNVP nanoparticles are homogeneouslyembedded in the hard carbon networks.The nanocomposite exhibits highrate capability and coulombic efficiency for lithium-ion batteries.

    23. Electrophoretic Deposition of MnOx@Carbon Nanotubes Film with Nest-Like Structure as High-Performance Anode for Lithium-Ion Batteries (pages 679–685)

      Jiaqi Li, Yang Yang, Jing Wang, Dr. Peng Zhang and Prof. Jinbao Zhao

      Version of Record online: 27 JAN 2017 | DOI: 10.1002/celc.201600706

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      Nest egg: A nest-like structured MnOx@CNTs electrode is prepared by using electrophoretic deposition and shows an excellent performance as anode in lithium-ion batteries.

    24. High-Rate Capable Full-Cell Lithium-Ion Battery based on a Conversion Anode and an Intercalation Cathode (pages 686–691)

      Pavan S. Veluri and Dr. Sagar Mitra

      Version of Record online: 1 FEB 2017 | DOI: 10.1002/celc.201600681

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      Powering up: Fe2O3 (conversion anode) and commercial LiCoO2 (LCO) (intercalation cathode) are used in a lithium-ion pouch cell, which is demonstrated as a suitable power source.

    25. Tuning the Interfacial Chemistry of Redox-Active Polymer for Bifunctional Probing (pages 692–700)

      Shambhulinga Aralekallu, Dr. Ravikumar Thimmappa, Pramod Gaikwad, Mruthyunjayachari Chattanahalli Devendrachari, Alagar Raja Kottaichamy, Dr. Shahid Pottachola Shafi, Dr. Koodlur Sannegowda Lokesh, Dr. Julio Sánchez and Dr. Musthafa Ottakam Thotiyl

      Version of Record online: 1 FEB 2017 | DOI: 10.1002/celc.201600775

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      Makes sense! A strategy for tuning the interfacial chemistry of redox-active polymers is proposed. Redox-active polymer with a cation-selective ionomer cover leads to a universal pH sensor. On the other hand, the redox-active polymer without a cation-selective ionomer cover leads to a conjugate-base-specific pH sensor.

    26. Unexpected Electrochemical Transformation of Aminobenzene Sulfonic Acid Isomers to Respective Surface-Confined-Redox Active Quinones Bypassing Polyaniline on a MWCNT Surface (pages 701–708)

      Pinapeddavari Mayuri and Annamalai Senthil Kumar

      Version of Record online: 2 FEB 2017 | DOI: 10.1002/celc.201600622

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      A bypass rider: The unique and selective electrochemical transformation of aminobenzene sulfonic acid isomers to surface-confined redox-active quinones (catechol, resorcinol, and hydroquinone) without any conducting polymer-like conventional product formation (bypass) is reported. The mediated NADH oxidation of the products are also studied.

    27. 2D Heterostructures Derived from MoS2-Templated, Cobalt-Containing Conjugated Microporous Polymer Sandwiches for the Oxygen Reduction Reaction and Electrochemical Energy Storage (pages 709–715)

      Dr. Kai Yuan, Dr. Xiaodong Zhuang, Ting Hu, Dr. Lei Shi, Dr. Stavroula Sfaelou, Ulrike Polnick, Dr. Michael Forster, Prof.Dr. Thomas Pichler, Prof.Dr. Thomas Riedl, Prof.Dr. Xinliang Feng, Prof.Dr. Yiwang Chen and Prof.Dr. Ullrich Scherf

      Version of Record online: 1 FEB 2017 | DOI: 10.1002/celc.201600850

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      Sandwich break: Two-dimensional, hierarchically porous carbon/MoS2 heterostructures (MoS2−Co−C) with excellent oxygen reduction reaction activity and promising electrochemical energy storage capability are obtained by pyrolysis and subsequent acid leaching of cobalt-containing, conjugated microporous polymer/MoS2 (MoS2−Co−CMP) sandwiches.

    28. Flexible Graphene Stacks for Sodium-Ion Storage (pages 716–720)

      Jun Ho Choe, Na Rae Kim, Min Eui Lee, Hyeon Ji Yoon, Min Yeong Song, Prof. Hyoung-Joon Jin and Prof. Young Soo Yun

      Version of Record online: 8 FEB 2017 | DOI: 10.1002/celc.201600620

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      Short stack: Flexible graphene stacks (FGSs) are prepared through the vacuum filtration of reduced graphene oxide, followed by heating under pressure. These FGSs exhibit exceptional electrochemical performances.

    29. Engineering Ultrathin Co(OH)2 Nanosheets on Dandelion–like CuCo2O4 Microspheres for Binder-Free Supercapacitors (pages 721–727)

      Yan Zhang, Hong Liu, Ming Huang, Jun Ming Zhang, Prof. Wei Zhang, Prof. Fan Dong and Prof. Yu Xin Zhang

      Version of Record online: 13 FEB 2017 | DOI: 10.1002/celc.201600661

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      Branching out: 3D branched CuCo2O4@Co(OH)2 core−shell structures on nickel foam are developed by using a stepwise synthetic approach. As a binder-free capacitor electrode, CuCo2O4@Co(OH)2 exhibits high specific capacitance (424 F g−1 at 0.5 A g−1) and excellent cycling performance (85.8 % retention after 10000 cycles), suggesting that it may have a promising application in supercapacitors.

    30. Synthesis of a Small Amorphous PdMo/C Nanocatalyst and Pd Nanocubes Enclosed within (100) Planes and Their Use for Ethylene Glycol Electro–oxidation (pages 728–737)

      Oscar Ambriz-Peláez, Lorena Álvarez-Contreras, Minerva Guerra-Balcázar, Janet Ledesma-García, Luis Gerardo Arriaga and Noé Arjona

      Version of Record online: 8 FEB 2017 | DOI: 10.1002/celc.201600856

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      Jump on a plane: A novel and highly active amorphous PdMo/C nanocatalyst together with well-defined Pd nanocubes enclosed within (100) planes are synthesized and used as nanocatalysts for ethylene glycol oxidation, showing 12 and 9-fold increases in the current density compared to commercial Pd/C. The activity of this reaction in alkaline medium is crystallinity dependent, following the trend: amorphous>(100)>(111) planes.

    31. Interlayer-Expanded Vanadium Oxychloride as an Electrode Material for Magnesium-Based Batteries (pages 738–745)

      Dr. Christian Bonatto Minella, Dr. Ping Gao, Dr. Zhirong Zhao-Karger, Dr. Xiaoke Mu, Dr. Thomas Diemant, Maxim Pfeifer, Dr. Venkata S. K. Chakravadhanula, Prof. R. Juergen Behm and Prof. Maximilian Fichtner

      Version of Record online: 6 FEB 2017 | DOI: 10.1002/celc.201700034

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      Expanding waistline: The picture shows the transition from a non-expanded to an expanded-interlayer spacing of the VOCl layered material through preliminary treatment with lithium. Although the original non-expanded-VOCl shows only negligible Mg intercalation/deintercalation, the lithium pretreatment enhances the specific capacity to 170 mA h g−1.

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