Improvement of electrochemical activity of LiMnPO₄-based cathode by surface iron enrichment

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• 作者：Xiaoyue Xu^a ; ^b ; Tao Wang^c ; Yujing Bi^a ; Meng Liu^a ; Wenchao Yang^a ; ^{yangwenchao@nimte.ac.cn} ; Zhe Peng^a ; ^{pengzhe@nimte.ac.cn} ; Deyu Wang^a ; ^{wangdy@nimte.ac.cn}
• 关键词：Lithium ion batteries ; Lithium manganese phosphate ; Core-shell structure ; Surface polarization ; Bulk transportation
• 刊名：Journal of Power Sources
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：341
• 期：Complete
• 页码：175-182
• 全文大小：2325 K
• 卷排序：341

文摘

Core-shell 0.8LMP-0.2LFP/C materials with a well-defined boundary phase. Better rate capability of 0.8LMP-0.2LFP/C than homogeneous LMFP/C. 0.8LMP-0.2LFP/C retains 95% capacity after 1000 cycles at 1C discharging rate.