Micro-ploughing process of copper current collector for lithium-ion battery

被引：0

作者：

Tan, Xingxian ^{[1
]}

Tang, Yong ^{[1
]}

Ye, Bangyan ^{[1
]}

Lu, Longsheng ^{[1
]}

机构：

[1] S China Univ Technol, Sch Mech & Automot Engn, Key Lab Surface Funct Struct Mfg, Guangdong Higher Educ Inst, Guangzhou 510640, Peoples R China

来源：

MACHINERY, MATERIALS SCIENCE AND ENGINEERING APPLICATIONS, PTS 1 AND 2 | 2011年 / 228-229卷

关键词：

lithium-ion battery; micro-ploughing process; current collector; carbon anode; ANODE MATERIALS; CARBON; CELLS; PERFORMANCE; ELECTRODES; GRAPHITE;

D O I：

10.4028/www.scientific.net/AMR.226-228.309

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A three-dimensional "fin-groove" composite structure copper current collector was fabricated by micro-ploughing process. 3D and common 2D carbon anodes for lithium- ion batteries were prepared. The electrochemical properties of these electrodes were studied by linear sweep cyclic voltammetry (CV) and charge-discharge (C-D) test. 2D anode showed high contact resistance, high coulombic efficiency but poor cycle performance. In contrast, 3D anode showed the structure superiority in reinforcing bonding force between active materials and copper substrate, improving the conductive environment and alleviating volume changes. It was believed that 3D anode can keep high coulombic efficiency and improve the cycle performance of lithium- ion batteries.

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页码：309 / 314

页数：6

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