Super P-modified LiFePO4 cathode for lithium ion battery beyond theoretical capacity

科研成果: 书/报告/会议事项章节会议稿件同行评审

1 引用 (Scopus)

摘要

Super P has become the spotlight in lithium ion battery research and almost all researchers use it as conductive additive, because it owns several desirable features, including high surface area and excellent electronic conductivity. However, here we use it to coat the commercial LiFePO4 and the new composite delivers a capacity of 175 mAh g−1, which is beyond the theoretical capacity of 170 mAh g−1. Meanwhile, it has excellent rate capability and cyclic performance. Those excellent performances are mainly attributed to the reversible redox reaction between the lithium ions of the electrolyte and the conductive web combined of super P and the residual carbon and the excellent electronic conductivity of Super P. As a result, this strategy of the second modification (super P coating) may furthermore open the door to improve the electrochemical performance of the electrode material for various applications.

源语言英语
主期刊名Advances in Energy Science and Equipment Engineering - Proceedings of International Conference on Energy Equipment Science and Engineering, ICEESE 2015
编辑Shiming Chen, Shiquan Zhou, Aragona Patty
出版商CRC Press/Balkema
255-258
页数4
ISBN(印刷版)9781138029330
出版状态已出版 - 2015

出版系列

姓名Advances in Energy Science and Equipment Engineering - Proceedings of International Conference on Energy Equipment Science and Engineering, ICEESE 2015
1

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