Capacity fade in high energy silicon-graphite electrodes for lithium-ion batteries

被引:42
|
作者
Dose, W. M. [1 ]
Piernas-Munoz, M. J. [1 ]
Maroni, V. A. [1 ]
Trask, S. E. [1 ]
Bloom, I [1 ]
Johnson, C. S. [1 ]
机构
[1] Argonne Natl Lab, Chem Sci & Engn Div, Lemont, IL 60439 USA
关键词
FAILURE MECHANISMS; ANODE MATERIALS; LI; CELLS;
D O I
10.1039/c8cc00456k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A silicon-graphite blended anode is paired with a high capacity LiFePO4 reference/counter electrode to track irreversibility and lithium inventory. The LiFePO4 electrode provides a reliable, flat potential for dQ dV 1 analysis of LixSi and LixC electrochemical reactions. We relate this electrochemistry to the morphological and physical changes taking place.
引用
收藏
页码:3586 / 3589
页数:4
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