【作者】 肖方明； 唐仁衡； 王英；

【Author】 XIAO Fang-ming1,2,TANG Ren-heng2,WANG Ying2 (1.College of Materials sciences and Engineering,South China University of Technology,Guangzhou 510641,China; 2.Research Institute of Rare Metal,Guangzhou Research Institute of Non-Ferrous Metals,Guangzhou 510651,China)

【机构】 华南理工大学材料工程学院； 广州有色金属研究院稀有金属研究所；

【摘要】 采用覆盖剂保护熔炼制备La2Mg16Ni储氢合金,研究了其结构和吸放氢性能。研究表明,La2Mg16合金中部分镁被镍取代后,提高了合金吸放氢动力性能,同时降低了合金的放氢温度。合金在280℃以上的温度下具有较好的吸放氢性能和平台性能,合金重储氢密度达到4·16 %(质量分数)。更多还原

【Abstract】 Hydrogen storage alloys with nominal composition La2Mg16Ni alloy is prepared by melting with covering agent. Which structure and Characteristic of hydrogen sorption are researched. Nickel partially replacing magnesium of La2Mg16 alloy to improve the kinetics of absorption and desorption and lower desorption temperature. Alloy has good hydrogen sorption performance and platform at a temperature of more than 280℃. Which has a high gravimetric hydr ogen density of 4.16 wt%.更多还原