Impact of mechanical bending on the electrochemical performance of bendable lithium batteries with paper-like free-standing V2O5–polypyrrole cathodes
作者： Lukman Noerochim , Jia-Zhao Wang , David Wexler , Md. Mokhlesur Rahman , Jun Chen
DOI: 10.1039/C2JM16470A
关键词: Cathode 、 Lithium 、 Polypyrrole 、 Materials science 、 Electrolyte 、 Anode 、 Electrochemistry 、 Battery (electricity) 、 Composite material 、 Electrode
摘要: Highly flexible, paper-like, free-standing V2O5 and V2O5–polypyrrole (PPy) films were prepared via the vacuum filtration method. The are soft, lightweight, mechanically robust. electrochemical performance of pure electrode was improved by incorporating conducting polypyrrole. A bendable cell with a novel design fabricated, consisting V2O5–PPy cathode film, gel electrolyte, lithium foil anode. tested under repeated bending conditions for several cycles. results show that battery repeatedly bent similar to conventional cell.
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