Soft-contact conductive carbon enabling depolarization of LiFePO4 cathodes to enhance both capacity and rate performances of lithium ion batteries
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- 作者：Wenju Ren1 ; Kai Wang1 ; Jinlong Yang ; yangjl@pkusz.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Rui Tan ; Jiangtao Hu ; Hua Guo ; Yandong Duan ; Jiaxin Zheng ; Yuan Lin ; Feng Pan ; panfeng@pkusz.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Soft-contact conductive carbon ; LiFePO4 ; Depolarization ; Multiphysics simulation ; Li-ions batteries
- 刊名：Journal of Power Sources
- 出版年：2016
- 出版时间：1 November 2016
- 年：2016
- 卷：331
- 期：Complete
- 页码：232-239
- 全文大小：3044 K
文摘
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The mechanism of conductive nanocarbons enhance LIBs's performance is proposed.
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Three types of nanocarbons and related performances in LFP electrodes are studied.
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SCC can generate much larger contact area than that of HCC.
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LFP nano-crystals wrapped in SCC perform significantly enhanced.
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Combined experiments with multiphysics simulation, the mechanism is elaborated.