放气
锂(药物)
尖晶石
材料科学
钛
钛酸锂
电化学
化学工程
碳纤维
氧化物
氧化钛
电极
涂层
离子
无机化学
锂离子电池
冶金
纳米技术
化学
复合材料
电池(电)
有机化学
物理化学
热力学
内分泌学
工程类
物理
复合数
功率(物理)
医学
作者
Benjamin Mercier-Guyon,J. Colin,I. A. Profatilova,Sébastien Martinet
标识
DOI:10.1007/s10800-023-02007-6
摘要
Abstract Since 20 years, titanium oxide materials and in particular, lithium titanate spinel Li 4 Ti 5 O 12 (LTO) were considered as promising negative electrode materials for lithium-ion cells. In the case of the TiNb 2 O 7 compound (TNO), which has a larger theoretical lithiation capacity of 388 mAh g −1 , few studies have focused on the outgassing of the material. In this work, we quantified the volume produced as a function of different cycling parameters and then characterized the produced species and show a prevalence of H 2 gas. The use of carbon coating as a mitigation strategy and its limitation is also discussed. Graphical abstract
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