One strategy to enhance electrochemical properties of Ni-based cathode materials under high cut-off voltage for Li-ion batteries
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- 作者：Longwei Lianga ; Feng Jianga ; Yanbing Caob ; cybcsu@csu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Guorong Hub ; hgrhsj@263.net" class="auth_mail" title="E-mail the corresponding author ; Ke Dub ; Zhongdong Pengb
- 关键词：Electrode materials ; Surface coating ; LiNi0.6Co0.2Mn0.2O2 ; Crystalized NaTi2(PO4)3 ; High cut-off voltage
- 刊名：Journal of Power Sources
- 出版年：2016
- 出版时间：1 October 2016
- 年：2016
- 卷：328
- 期：Complete
- 页码：422-432
- 全文大小：4300 K
文摘
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NTP with high ionic conductivity is used as coating layer for the first time.
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NTP coating layer with crystalized or amorphous is introduced successfully.
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Crystalized NTP-coated LNCM exhibits the excellent electrochemical properties.
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Low barrier diffusion pathways for Li+ ions through the interface are provided.
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Typical sample shows a capacity retention of 85.3% at 3.0–4.6 V after 100 cycles.
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