Bifunctional Conducting Polymer Coated CoP Core-Shell Nanowires on Carbon Paper as a Free-Standing Anode for Sodium Ion Batteries
作者： Jing Zhang , Kai Zhang , Junghoon Yang , Gi-Hyeok Lee , Jeongyim Shin
关键词: Bifunctional 、 Materials science 、 Conformal coating 、 Core shell 、 Anode 、 Carbon paper 、 Chemical engineering 、 Conductive polymer 、 Sodium 、 Nanowire 、 Renewable Energy, Sustainability and the Environment 、 General Materials Science
摘要: This study proposes a conformal surface coating of conducting polymer for protecting 1D nanostructured electrode material, thereby enabling a free‐standing electrode without binder for sodium ion batteries. Here, polypyrrole (PPy), which is one of the representative conducting polymers, encapsulated cobalt phosphide (CoP) nanowires (NWs) grown on carbon paper (CP), finally realizes 1D core–shell CoP@ PPy NWs/CP. The CoP core is connected to the PPy shell via strong chemical bonding, which can maintain a Co–PPy …
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