Induced AlF₃ segregation for the generation of reciprocal Al₂O₃ and LiF coating layer on self-generated LiMn₂O₄ surface of over-lithiated oxide based Li-ion battery

详细信息    查看全文

• 作者：Kwangjin Park^a ; Jun-Ho Park^a ; Suk-Gi Hong^a ; Jaegu Yoon^a ; Seongyong Park^b ; Jung-Hwa Kim^b ; Dongjin Yoon^b ; Hyunjin Kim^a ; You-Hwan Son^a ; ^{yh74.son@samsung.com} ; Jin-Hwan Park^a ; Soonchul Kwon^c ; ^{sckwon@pusan.ac.kr}
• 关键词：Li-ion battery ; LiMn2O4 ; over-lithiated oxide cathode ; Al2O3 ; LiF
• 刊名：Electrochimica Acta
• 出版年：2016
• 出版时间：20 December 2016
• 年：2016
• 卷：222
• 期：Complete
• 页码：830-837
• 全文大小：2640 K
• 卷排序：222

文摘

The well-distributed surface modification with Al2O3 and LiF coating layers. Self-generated structure of spinel-like LiMn2O4 phase enhancing electronic conductivity. Al2O3 layer suppressing side-reactions between cathode and electrolyte. Thin surface coating layers improving discharge capacity and cycling performance.