期刊
ELECTROCHEMISTRY
卷 83, 期 10, 页码 843-845出版社
ELECTROCHEMICAL SOC JAPAN
DOI: 10.5796/electrochemistry.83.843
关键词
Amorphous Silicon Electrode; Irreversible Capacity; Pre-doping; Li-naphthalene Complex
To compensate a large initial irreversible capacity (Q(irr)) of silicon electrode, a novel Li pre-doping technique using Li-naphthalene complex/tetrahydrofuran solutions was developed. Li was successfully doped to amorphous silicon nano-flake particles, and the doping level of Li was easily controlled by adjusting naphthalene concentration. A large Q(irr) of the pristine electrode (1200 mAh g(-1)) was almost completely compensated after pre-doped in 0.1 mol dm(-3) Li-naphthalene solution for 1 h. In addition, no harmful effects of pre-doping on cycleability were observed. (C) The Electrochemical Society of Japan, All rights reserved.
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