针刺和挤压作用下动力电池热失控特性与机理综述

许辉勇, 范亚飞, 张志萍, 胡仁宗

Thermal runaway characteristics and mechanisms of Li-ion batteries for electric vehicles under nail penetration and crush

Huiyong XU, Yafei FAN, Zhiping ZHANG, Renzong HU

表2 镍钴锰含量{x, y, z}不同时，LiNi x Co y Mn z O2 放热反应的焓变ΔH [23,25]

Table 2 Enthalpy change of exothermic reaction of LiNi x Co y Mn z O2 with different Ni, Co, Mn contents {x, y, z} [23,25]

正极材料 ΔH/J·g-1 Li2TiO3 [25] 284.63 Li0.37[Ni1/3Co1/3Mn1/3]O2 [23] 512.5 Li0.34[Ni0.5Co0.2Mn0.3]O2 [23] 605.7 Li0.30[Ni0.6Co0.2Mn0.2]O2 [23] 721.4 Li0.26[Ni0.7Co0.15Mn0.15]O2 [23] 826.3 Li0.23[Ni0.8Co0.1Mn0.1]O2 [23] 904.8 Li0.21[Ni0.85Co0.075Mn0.057]O2 [23] 971.5