钒电池电堆端板的变形预测与拓扑优化

王友,赵永恒,史小虎,余龙海,孙彦招

Deformation prediction and topology optimization of end plates in vanadium flow battery stacks

You WANG,Yongheng ZHAO,Xiaohu SHI,Longhai YU,Yanzhao SUN

表4 压力卸载后的螺柱预紧力及其变化率

Table 4 Stud preload after pressure unloading and its change rate

端板构型 预紧力/N 变化率①/% 螺柱1 螺柱2 螺柱3 螺柱4 螺柱1 螺柱2 螺柱3 螺柱4 初始构型 44 979 40 349 46 936 53 828 11.48 0 16.33 33.41 优化构型 44 094 40 106 47 327 54 570 9.94 0 18.01 36.06