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La2O3改性Mg-Ni纳米复合粒子的结构及电化学性能

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2012-11-01

Journal: 稀有金属材料与工程

Included Journals: Scopus、CSCD、ISTIC、PKU、EI、SCIE

Volume: 41

Issue: 11

Page Number: 1950-1954

ISSN: 1002-185X

Key Words: 镁基合金纳米粒子;直流电弧法;表面改性;电化学性能

Abstract: 采用直流电弧等离子体法制备出Mg-Ni和Mg-Ni/La2O3两种镁基合金纳米粒子,研究了稀土氧化物La2O3对Mg-Ni纳米粒子进行表面改性后对其相结构及电化学性能的影响.结果表明:稀土氧化物La2O3对Mg-Ni纳米粒子进行表面掺杂改性后,有效地抑制了MgO和Mg(OH)2相生成.掺杂La2O3以后,Mg-Ni纳米粒子的电化学性能得到了明显的改善,提高了它在强碱性介质中的耐蚀性能和放电性能.

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