镁基材料中储氢相及其界面与储氢性能的调控

李谦, 孙璇, 罗群, 刘斌, 吴成章, 潘复生

Regulation of Hydrogen Storage Phase and Its Interface in Magnesium-Based Materials for Hydrogen Storage Performance

LI Qian, SUN Xuan, LUO Qun, LIU Bin, WU Chengzhang, PAN Fusheng

图8 HPT处理10道次并在673 K退火后的Mg2Ni样品TEM像和HRTEM分析，有无堆垛层错缺陷的粗晶Mg2Ni的吸氢动力学曲线，及层错缺陷作为氢传输途径的示意图[55]

Fig.8 TEM images, hydrogen absorption kinetic curves, and schematic of Mg2Ni samples treated with 10 turns of HPT and annealed at 673 K[55] (a) bright field image (b) HRTEM image of lattice and corresponding SAED pattern (inset) (c) normal ABCABC stacked lattice image (d) lattice image with a stacking layer dislocation (e) hydrogen absorption kinetic curves of coarse crystal Mg2Ni with and without stacking faults (t—annealed time) (f) schematic of stacking faults as hydrogen transport pathways