A nanofibrillated cellulose/Al(OH)3/polytetrafluoroethylene hybrid protective layer enabling dendrite free Zn anodes for rechargeable aqueous batteries
Literature Information
Mohammad Shayan, Wangwang Xu, Tongyao Wu, Qinglin Wu
Aqueous zinc ion batteries (ZIBs) are considered as promising options for energy storage devices due to their high safety and abundant resources. However, Zn dendrites and short circuits pose a significant challenge. To address these issues, a hybrid protective membrane of nanofibrillated cellulose (NFC)/Al(OH)3/polytetrafluoroethylene (PTFE) was fabricated and coated on the surface of a zinc metal anode. The in situ formation of Al(OH)3 nanoparticles created nano-pores inside the dense NFC network, while the addition of PTFE improved the adhesion of the protective membrane to the surface of zinc metal. The NFC/Al(OH)3/PTFE coating layer restricted the access of active water and anions to the electrode/electrolyte interface by dehydrating zinc ions, thus preventing water and anion-induced corrosion. With the NFC/Al(OH)3/PTFE coating layer, zinc symmetric batteries exhibited significantly improved cycling performance with highly stabilized charge/discharge profiles, outperforming bare zinc symmetric batteries. Furthermore, full vanadium dioxide (VO2)||NFC/Al(OH)3/PTFE@Zn batteries demonstrated a high initial specific capacity of 406.2 mA h g−1 at 2 A g−1 and excellent cycling stability with a 94% retention of initial capacity after 300 cycles, and 72% after 3300 cycles, making them practical for energy storage applications.
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Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment













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