多晶及单晶NMC811材料力学性能分析

王婷, 杨超, 苏红磊, 马维, 井源, 王海龙

Analysis of the mechanical properties of polycrystalline and single crystal NMC811 materials

Ting WANG, Chao YANG, Honglei SU, Wei MA, Yuan JING, Hailong WANG

图8 SNMC811和PNMC811的SEM及FIB-SEM图：(a) 充电前PNMC811的SEM图；(b) 充电前PNMC811的FIB-SEM图；(c) 0.5 C倍率下充放电100次后PNMC811的SEM图；(d) 0.5 C倍率下充放电100次后PNMC811的FIB-SEM图；(e) 充电前SNMC811的SEM图；(f) 充电前SNMC811的FIB-SEM图；(g) 0.5 C倍率下充放电100次后SNMC811的SEM图(0.1 C倍率下活化后)；(h) 0.5 C倍率下充放电100次后 SNMC811的FIB-SEM图(0.1 C倍率下活化后)；(i)～(m) SNMC811的元素扫描图

Fig. 8 SEM and FIB-SEM of SNMC811 and PNMC811: (a) SEM of PNMC811 before charging; (b) FIB-SEM of PNMC811 before charging; (c) SEM of PNMC811 after 100 cycles of charge and discharge at 0.5 C; (d) FIB-SEM of PNMC811 after 100 cycles of charge and discharge at 0.5 C; (e) SEM of SNMC811 before charging; (f) FIB-SEM of PNMC811 before charging; (g) SEM of SNMC811 after 100 cycles of charge and discharge at 0.5 C (Activation at 0.1 C); (h) FIB-SEM of SNMC811 after 100 cycles of charge and discharge at 0.5 C(Activation at 0.1 C); (i)-(m) Element scan of SNMC811