【摘 要】
:
尖晶石结构的钛酸锂(Li4Ti5O12,LTO),其在充放电(嵌脱锂)过程中晶格常数几乎不发生变化,从而在脱嵌锂过程中表现出良好的可逆性和结构稳定性,是重要的锂电池负极材料,主要应用于高安全、长寿命和高功率等场合.然而钛酸锂系电池在活化、使用及储存过程中会发生气胀,引起电池外壳变形进而导致电池性能的急剧下降,这是制约其实际应用的重要障碍[1-2].
【机 构】
:
中国科学院上海微系统与信息技术研究所,上海,200050
论文部分内容阅读
尖晶石结构的钛酸锂(Li4Ti5O12,LTO),其在充放电(嵌脱锂)过程中晶格常数几乎不发生变化,从而在脱嵌锂过程中表现出良好的可逆性和结构稳定性,是重要的锂电池负极材料,主要应用于高安全、长寿命和高功率等场合.然而钛酸锂系电池在活化、使用及储存过程中会发生气胀,引起电池外壳变形进而导致电池性能的急剧下降,这是制约其实际应用的重要障碍[1-2].
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