Real-time Stress Measurements in Germanium Thin Film Electrodes during Electrochemical Lithiation/delithiation Cycling

Siva P. V. Nadimpalli, Rajasekhar Tripuraneni, Vijay A. Sethuraman

An in situ study of stress evolution and mechanical behavior of germanium as a lithium-ion battery electrode material is presented. Thin films of germanium are cycled in a half-cel…