Lithiation-induced crystal restructuring of hydrothermally prepared Sn/TiO<sub>2</sub> nanocrystallite with substantially enhanced capacity and cycling performance for lithium-ion battery
Tsan‐Yao ChenDepartment of Engineering and System ScienceYu‐Ting LiuDepartment of Soil and Environmental SciencePing-Ching WuDepartment of Greenergy TechnologyChih‐Wei HuDepartment of Engineering and System SciencePo‐Wei YangDepartment of Engineering and System ScienceLiang‐Ching HsuDepartment of Soil and Environmental ScienceChih-Hao LeeDepartment of Engineering and System ScienceChia‐Chin ChangDepartment of Greenergy Technology
ABI
Abstract
Sn dopants undergo restructuring into Ti sites of TiO<sub>2</sub> upon lithiation reaction. These Sn dopants attract Li to form local SnLi<sub>x</sub> alloys, which sufficiently increase the capacity of Sn-substituted TiO<sub>2</sub> as a negative electrode material.
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