Benzotriazole as an electrolyte additive on lithium-ion batteries performance

Title
Benzotriazole as an electrolyte additive on lithium-ion batteries performance
Authors
조원일Louis HamenuAlfred MadzvamuseLatifatu MohammedYong Min LeeJang Myoun KoChris Yeajoon BonSang Jun KimYong Gu BaekJongwook Park
Keywords
LiB; electrolyte; additive; benzotriazole; electrochemical stability
Issue Date
2017-09
Publisher
Journal of industrial and engineering chemistry
Citation
VOL 53-246
Abstract
Liquid electrolyte consisting of 1 M LiPF6 in ethylene carbonate (EC)/dimethyl carbonate (DMC) and 0.1 wt% benzotriazole (BzTz) is studied in LiCoO2//graphite battery system at room temperature. Benzotriazole addition introduces excellent electrochemical stability (5.6 V vs Li) and good ionic conductivity properties at room temperature. Also, this electrolyte shows good cycling performance and better discharge capacities at high C-rates relative to the pristine electrolyte. Furthermore, the additive allows the formation of a good solid electrolyte interphase (SEI) per cyclic voltammetry (CV) examination. These specialized properties make this liquid electrolyte ideal for high power and high voltage applications.
URI
http://pubs.kist.re.kr/handle/201004/66317
ISSN
1226-086X
Appears in Collections:
KIST Publication > Article
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