Advanced Energy Materials

Cover image for Vol. 4 Issue 14

Editor-in-Chief: Joern Ritterbusch, Deputy Editor: Carolina Novo

Impact Factor: 14.385

ISI Journal Citation Reports © Ranking: 2013: 3/82 (Energy & Fuels); 4/136 (Physics Applied); 5/136 (Chemistry Physical); 5/67 (Physics Condensed Matter); 7/251 (Materials Science Multidisciplinary)

Online ISSN: 1614-6840

Associated Title(s): Advanced Engineering Materials, Advanced Functional Materials, Advanced Healthcare Materials, Advanced Materials, Advanced Materials Interfaces, Advanced Optical Materials, Energy Technology, Fuel Cells, Particle & Particle Systems Characterization, Small

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Recently Published Articles

  1. Hybrid and Aqueous Lithium-Air Batteries

    Arumugam Manthiram and Longjun Li

    Article first published online: 20 OCT 2014 | DOI: 10.1002/aenm.201401302

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    Hybrid and aqueous lithium-air batterieshave the potential to achieve the ultrahigh energy density of the Li-O2 couple in ambient environments. The current status of hybrid and aqueous lithium-air batteries, limitations and challenges hindering their adoption, and future directions to overcome the challenges are summarized.

  2. Metal Fluorides Nanoconfined in Carbon Nanopores as Reversible High Capacity Cathodes for Li and Li-Ion Rechargeable Batteries: FeF2 as an Example

    Wentian Gu, Alexandre Magasinski, Bogdan Zdyrko and Gleb Yushin

    Article first published online: 20 OCT 2014 | DOI: 10.1002/aenm.201401148

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    Highly uniform nanocomposites with nanoconfined iron fluoride (FeF2) are successfully produced using vacuum impregnation of activated carbon powder with a fluoride precursor and subsequent precursor transformation. When confined in carbon nanopores, metal fluoride nanoparticles exhibit dramatically enhanced performance characteristics and cycle life in Li ion batteries. Carbon pore walls accommodate fluoride volume changes during lithiation, prevent physical separation of fluoride particles, and deliver electrons or holes to the electrochemical reaction sites during cell operation.

  3. Synergy Between Metal Oxide Nanofibers and Graphene Nanoribbons for Rechargeable Lithium-Oxygen Battery Cathodes

    Jun Yin, Joseph M. Carlin, Jangwoo Kim, Zhong Li, Jay Hoon Park, Bharat Patel, Srinivasan Chakrapani, Sangho Lee and Yong Lak Joo

    Article first published online: 18 OCT 2014 | DOI: 10.1002/aenm.201401412

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    Graphene nanoribbons (GNRs) unzipped from carbon nanotubes and zinc oxide (ZnO) nanofibers with a high degree of defects and hydrophilicity of the surface are promising cathode components for rechargeable lithium-oxygen batteries. The optimum synergy between ZnO nanofibers and GNRs together with inclusion of catalysts, such as platinum, can balance the discharge capacity and cycle life.

  4. A Comparison of Five Experimental Techniques to Measure Charge Carrier Lifetime in Polymer/Fullerene Solar Cells

    Tracey M. Clarke, Christoph Lungenschmied, Jeff Peet, Nicolas Drolet and Attila J. Mozer

    Article first published online: 18 OCT 2014 | DOI: 10.1002/aenm.201401345

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    Five experimental techniques that measure charge carrier lifetime are applied to an organic solar cell and compared. At high charge carrier densities, all the techniques surprisingly provide similar lifetimes. At low charge carrier densities, deviations to apparent high reaction orders are observed.

  5. The Effect of Fluorination in Manipulating the Nanomorphology in PTB7:PC71BM Bulk Heterojunction Systems

    Shuai Guo, Jing Ning, Volker Körstgens, Yuan Yao, Eva M. Herzig, Stephan V. Roth and Peter Müller-Buschbaum

    Article first published online: 18 OCT 2014 | DOI: 10.1002/aenm.201401315

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    The nanomorphology of novel fluorinated polymers PTB7-Fx (fluorine units coupled with submonomer thieno[3,4-b]thiophene):[6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) bulk heterojunction films for photovoltaic applications is comprehensively investigated using both direct imaging and scattering techniques. Absorption properties, film morphology, film crystallinity of the photoactive layers, and the corresponding solar cell performance are consecutively probed. The reason for different photovoltaic performance with varied degrees of fluorinated PTB7 and the efficiency-morphology relationship are addressed.