锂离子电池用微米厚度超薄集流体<strong>Cu</strong>箔和<strong>Al</strong>箔疲劳强度及损伤行为

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10 极值统计法预测最大缺陷尺寸

Fig.10 Extreme value statistics predicting maximum defect size
(a) linear fitting for parameters of Gumbel function for Al foils with different thicknesses (

\sqrt[]{a r e a_{i}}

—Murakami defect size parameter, G(

\sqrt[]{a r e a_{i}}

)—cumulative probability of defect size)
(b) prediction of the maximum defect size under 95% probability