摘要
锂离子电池的安全性问题在很大程度上限制了其在纯电动汽车、规模储能等领域的广泛应用。电池材料|电解质界面副反应所产生的可燃性气体是锂离子电池安全隐患的首要原因。微分电化学质谱是解析锂离子电池产气副反应机制的强有力研究技术。本文综述了微分电化学质谱的发展历程、工作原理、技术要点及其在锂离子电池安全性研究中的应用,并展望了微分电化学质谱在储能领域的机遇、挑战和策略。
Safety issues of lithium-ion batteries are becoming prominent with its application in electric vehicle and large-scale energy storage fields.Flammable gases evolved from electrode|electrolyte interface play an important role on the batteries'safety characteristics.Fortunately,differential electrochemical mass spectrometry(DEMS)as a powerful technology provides exploitable strategies for understanding the gas-related parasitic reaction mechanisms.The review covers the history,basics,know-how,and applications in safety researches of DEMS.In addition,emerging opportunities,critical challenges,future directions and strategies are particularly highlighted.
作者
赵志伟
彭章泉
ZHAO Zhiwei;PENG Zhangquan(State Key Laboratory of Electroanalytical Chemistry,Changchun Institute of Applied Chemistry,University Chinese Academy of Sciences,Changchun 130022,Jilin,China;University of Science and Technology of China,Hefei 230026,Anhui,China)
出处
《储能科学与技术》
CAS
CSCD
2019年第1期1-13,共13页
Energy Storage Science and Technology
基金
国家自然科学基金项目(21733012
21633008
21605136
91545129
21575135)
中国科学院战略性先导科技专项项目(XDA09010 401)
吉林省科技厅项目(20150623002TC
20160414034GH)
国家重点研发计划项目(2016YFB0100100)
关键词
微分电化学质谱
锂离子电池
安全
differential electrochemical mass spectrometry
lithium-ion battery
safety
