锂离子电池用微米厚度超薄集流体Cu箔和Al箔疲劳强度及损伤行为

程福来, 罗雪梅, 胡炳利, 张滨, 张广平

Fatigue Strength and Damage Behavior of Micron-Thick Ultrathin Current Collector Cu Foil and Al Foil for Lithium-Ion Battery

CHENG Fulai, LUO Xuemei, HU Bingli, ZHANG Bin, ZHANG Guangping

图1 6和8 μm厚度Cu箔表面SEM像、微观结构TEM像及晶粒尺寸分布图

Fig.1 SEM images of surface morphologies (a, b), TEM images of microstructures (c, d), and grain size distributions (e, f) of Cu foils with thicknesses of 6 μm (a, c, e) and 8 μm (b, d, f)