Hollow core-shell structured silicon@carbon nanoparticles embed in carbon nanofibers as binder-free anodes for lithium-ion batteries

详细信息    查看全文

• 作者：Yanli Chen^a ; ^b ; Yi Hu^a ; ^b ; ^c ; ^{huyi-v@zstu.edu.cn} ; Zhen Shen^a ; ^b ; Renzhong Chen^a ; ^b ; Xia He^a ; ^b ; Xiangwu Zhang^d ; Yongqiang Li^a ; ^b ; Keshi Wu^a ; ^b
• 关键词：Hollow core&ndash ; shell structure ; Si@C nanoparticles ; Sol-gel method ; Silicon/carbon nanofiber membrane ; Lithium-ion battery anode
• 刊名：Journal of Power Sources
• 出版年：2017
• 出版时间：28 February 2017
• 年：2017
• 卷：342
• 期：Complete
• 页码：467-475
• 全文大小：2326 K
• 卷排序：342

文摘

Core-shell-structured Si@SiO2 nanoparticles were prepared by a sol−gel method. The hollow core-shell structure was formed by electrospinning and an HF treatment. The void could accommodate the volume expansion of Si nanoparticles. A stable solid electrolyte interface film formed on the carbon shell surface. The structural integrity and cycle stability were significantly improved.