Effect of Al substitution sites on Li1−xAlx(Ni0.5Co0.2Mn0.3)1−yAlyO2 cathode materials for lithium ion batteries
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- 作者：Lingjun Lia ; Qi Yaoa ; Huali Zhua ; Juliezhu2005@126.com" class="auth_mail" title="E-mail the corresponding author ; Zhaoyong Chena ; 34772867@qq.com" class="auth_mail" title="E-mail the corresponding author ; chenzhaoyongcioc@126.com" class="auth_mail" title="E-mail the corresponding author ; Liubin Songb ; Junfei Duana
- 关键词：Lithium-ion battery ; LiNi0.5Co0.2Mn0.3O2 ; Al-substitution ; Li layer ; Transition metal layer
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：25 November 2016
- 年：2016
- 卷：686
- 期：Complete
- 页码：30-37
- 全文大小：2698 K
文摘
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Li1−xAlx(Ni0.5Co0.2Mn0.3)1−yAlyO2 (NMCA) are synthesized by solid-state method.
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LiAlO2 phase with high Li+ ion diffusivity appears in Li1−xAlxNi0.5Co0.2Mn0.3O2.
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Al prefers to form Al
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O solid solution in Li(Ni0.5Co0.2Mn0.3)1−yAlyO2 samples.
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Al
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O solid solution improve the structural stability of LiNi0.5Co0.2Mn0.3O2.
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Substitution of Li with low Al content has superior advantages for NMCA.
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