DICP OpenIR
Subject Area物理化学
镁基贮氢合金电极材料电化学研究
田琦峰
2006-05-10
Thesis Advisor谭志诚 ; 孙立贤
Degree Discipline物理化学
Degree Grantor中国科学院研究生院
Subtype博士
Keyword贮氢合金电极 Pd替代 循环稳定 腐蚀行为 脱氢动力学
Alternative TitleElectrochemical Studies on the Mg-based Hydrogen Storage Alloy Electrodes
Abstract本文分别用Pd对Mg0.9Ti0.1Ni合金的Mg侧和Ni侧进行替代,考查了P的替代对合金电极循环充放电性能、电极动力学性能、腐蚀行为的影响。 对Mg0.9Ti0.1Ni1-xPdx(x=0,0.05,0.1.,0.15)和Mg0.9-xTi0.1PdxNi(x=0.04,0.06,0.08,0.10)合金,Pd的替代有效改善了合金的循环稳定性,其中Mg0.8Ti0.1Pd0.1Ni合金在经过80次充放电循环后,仍能保持200mAh/g的放电容量。Pd对Ni和Mg的替代均能有效提高和金的腐蚀电位,降低腐蚀电流,合金表面的钝化膜电阻和厚度也随着Pd含量的增加而增大。对Mg0.9-xTi0.1PdxNi(x=0.04,0.06,0.08,0.10)合金,其表面氧化程度随Pd含量的增加而减弱,Pd的加入增强了合金的耐腐蚀能力,有效提高了合金的循环稳定性。
Language中文
Document Type学位论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/105769
Collection中国科学院大连化学物理研究所
Recommended Citation
GB/T 7714
田琦峰. 镁基贮氢合金电极材料电化学研究[D]. 中国科学院研究生院,2006.
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