LiNi_(0.5)Mn_(1.5)O_4电极的变固相扩散系数模拟  

Modeling of LiNi_(0.5)Mn_(1.5)O_4 electrodes based on variable solid-state diffusivity

作　　者：吕桃林[1,2,3] 罗英[1,2,3] 晏莉琴[2,3] 解晶莹[1,2,3] 

机构地区：[1]哈尔滨工业大学化工学院,黑龙江哈尔滨150001 [2]上海动力储能电池系统工程技术有限公司,上海200245 [3]上海空间电源研究所,上海200245

出　　处：《电池》2017年第2期84-89,共6页Battery Bimonthly

摘　　要：通过实验和参数辨识,确定了针对LiNi_(0.5)Mn_(1.5)O_4体系电池所需要的模型参数,建立了适用于该体系的变固相扩散系数模型。该模型能很好地对LiNi_(0.5)Mn_(1.5)O_4的放电过程进行模拟。通过对电池内部的过电位进行分析,对电池性能的限制因素进行了说明。By adopting experiment and parameter recognition method,it was confirmed that a larger number of parameters whicb needed for the model of new system could setup a suitable model that involved variable solid-state diffusivity （VSSD）. The model was used to simulate performance of LiNi0.5Mn1.5O4 electrodes. The model was validated that it could be used to better simulate the discharging processes of LiNi0.5Mn1.5O4, by analyzing the over potential of battery and explaining its limiting factors.

关 键 词：LINI0.5MN1.5O4 变固相扩散系数(VSSD)模型 过电位 锂离子电池 

分 类 号：TM912[电气工程—电力电子与电力传动]