Advanced Functional Materials

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  1. Large-Scale and Washable Smart Textiles Based on Triboelectric Nanogenerator Arrays for Self-Powered Sleeping Monitoring

    Zhiming Lin, Jun Yang, Xiaoshi Li, Yufen Wu, Wei Wei, Jun Liu, Jun Chen and Jin Yang

    Version of Record online: 23 NOV 2017 | DOI: 10.1002/adfm.201704112

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    A large-scale and washable smart textile based on a triboelectric nanogenerator array as bedsheet is demonstrated for self-powered sleep behavior monitoring, which can detect and record the person's sleeping behavior in real-time manner. Based on the acquired sleep-behavioral data, the sleep quality report will be generated for further health evaluation or illness diagnosis.

  2. Restoration of Impact Damage in Polymers via a Hybrid Microcapsule–Microvascular Self-Healing System

    Ryan C. R. Gergely, Windy A. Santa Cruz, Brett P. Krull, Emmy L. Pruitt, Jonathan Wang, Nancy R. Sottos and Scott R. White

    Version of Record online: 23 NOV 2017 | DOI: 10.1002/adfm.201704197

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    A hybrid system incorporates both microcapsules and microvascular delivery for the restoration of impact puncture damage. Multiscale damage is addressed by multiple healing modes: two-stage healing agents delivered through a dual microvascular network restore lost material volume in order to recover impact energy absorption, while embedded microcapsules heal radiating microcracks to facilitate sealing and recovery of barrier properties.

  3. Designing a High-Performance Lithium–Sulfur Batteries Based on Layered Double Hydroxides–Carbon Nanotubes Composite Cathode and a Dual-Functional Graphene–Polypropylene–Al2O3 Separator

    Jang-Yeon Hwang, Hee Min Kim, Subeom Shin and Yang-Kook Sun

    Version of Record online: 23 NOV 2017 | DOI: 10.1002/adfm.201704294

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    The enhanced lithium–sulfur cell design including a MgAl-LDH@CNT-S composite cathode and a DF-GPA separator is proposed. By improving lithium–sulfur redox reactions and minimizing the risk of internal short circuit, this cell configuration enables to yield superior rate capability up to 5 C rate and excellent long-term cycling stability even with high sulfur loading in the electrode of 4.0 mg cm−2.

  4. Novel Eco-Friendly Starch Paper for Use in Flexible, Transparent, and Disposable Organic Electronics

    Heejeong Jeong, Seolhee Baek, Singu Han, Hayeong Jang, Se Hyun Kim and Hwa Sung Lee

    Version of Record online: 23 NOV 2017 | DOI: 10.1002/adfm.201704433

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    Eco-friendly biodegradable starch paper for disposable organic electronics is developed that does not require a planarizing layer. This paper applied by starch gelatinization provides a remarkable mechanical strength and chemical robustness in variety of nonpolar solvents, indicating the possibility as a flexible substrate. Finally, biodegradability of the starch paper is verified by the complete decomposition by fungi over 24 d.

  5. Baby Diaper-Inspired Construction of 3D Porous Composites for Long-Term Lithium-Ion Batteries

    Huan Huan Wei, Qi Zhang, Yu Wang, Yi Jing Li, Jin Chen Fan, Qun Jie Xu and Yu Lin Min

    Version of Record online: 23 NOV 2017 | DOI: 10.1002/adfm.201704440

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    A porous network decorated with NiO nanoparticles is prepared by using the superabsorbent polymers from fresh baby diapers via a facile annealing reaction. The composite exhibits high specific capacity and excellent cycle performance as anode materials for lithium-ion batteries.