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
Fatigue Strength and Damage Behavior of Micron-Thick Ultrathin Current Collector Cu Foil and Al Foil for Lithium-Ion Battery
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9 损伤晶粒及周围晶粒不均匀性示意图以及有利于裂纹萌生的晶粒不均匀性特点 |
| Fig.9 Schematic of damage grain and surrounding grain inhomogeneity (a) and characteristics of grain inhomogeneity favorable to crack initiation (b) (All grains presenting crack initiation and no crack initiation have a high Ωmax (≥ 0.44), large grain size (≥ 5 μm), and grain orientation close to <100>ND. γ—coefficient of variation) |
|
|