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锂电池基础科学问题(Ⅳ)——相图与相变(2) 被引量:3

Fundamental scientific aspects of lithium batteries (Ⅳ)——Phase transition and phase diagram (2)
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摘要 充放电过程中电极材料的相变与材料的储锂机制、储锂容量范围、电压曲线、储锂动力学、材料的体积变化以及吸放热等密切相关。获得材料在充放电过程中的相组成、相结构演化及相图,对于全面理解材料及其充放电行为,开发新的电池材料体系具有十分重要的意义。本文小结了脱嵌锂引起的相变,并介绍了锂电池中相图的计算和实验方法。 Phase transitions during charging/discharging processes are highly relevant to lithium storage mechanism, capacity range, voltage profiles, kinetic properties, volume variation and heat production. This article summarizes briefly research activities on phase transition during lithium extraction/insertion, and introduces calculation and experimental methods for phase diagram of Li-ion batteries.
出处 《储能科学与技术》 CAS 2013年第4期383-401,共19页 Energy Storage Science and Technology
基金 中国科学院知识创新工程方向性项目(KJCX2-YW-W26) 国家重点基础研究发展计划(973)项目(2012CB932900)
关键词 锂离子电池 相变 相图 嵌脱锂 lithium ion batteries phase transition phase diagram lithium insertion/extraction
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