Journal
JOURNAL OF APPLIED PHYSICS
Volume 113, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4790488
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Funding
- National Natural Science Foundation of China [51101130]
- Natural Science Foundation project of CQ CSTC [2010BB4119]
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Perovskite oxide LaFeO3, as a novel candidate for the electrode of Ni/MH battery, holds high specific capacity and good cyclical durability at elevated temperatures. However, the poor electrochemical kinetics is a bottleneck for the application of this type of material. By use of nano-structured materials, there are greatly enhanced values of exchange current density I-0 and hydrogen diffusion coefficient D, which resulted in an improvement of electrochemical kinetics, a much higher specific capacity and excellent stability during cycling for nano-structured LaFeO3. In theory, there is a significant possibility of further advancing the hydrogen reaction kinetics of perovskite type oxides for Ni/MH battery. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4790488]
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