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Cho, Jaephil
Nano Energy Storage Materials Lab (NESM)
Research Interests
  • Li-ion battery, metal-air battery, redox-flow battery, flexible battery .

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Precious metal-free approach to hydrogen electrocatalysis for energy conversion: From mechanism understanding to catalyst design

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Title
Precious metal-free approach to hydrogen electrocatalysis for energy conversion: From mechanism understanding to catalyst design
Author
Wang, TanyuanXie, HuanChen, MengjieD'Aloia, AlyssaCho, JaephilWu, GangLi, Qing
Keywords
Hydrogen evolution; Hydrogen oxidation; Electrocatalysis; Non-precious metal; Nanomaterials
Issue Date
201712
Publisher
Elsevier BV
Citation
NANO ENERGY, v.42, no., pp.69 - 89
Abstract
Hydrogen (H2) is the most promising green energy resources to replace conventional fossil fuels due to the high mass energy density and renewability. The hydrogen evolution reaction (HER) and hydrogen oxidation reaction (HOR) are two reactions that play key roles in electrochemical energy storage and conversion with the sustainable H2 as a medium. To date, the most efficient catalysts for production and conversion of hydrogen are based on noble metals. Therefore, the development of non-noble metal catalysts with high efficiency and low cost is of significant importance for the practical application of H2 in different electrochemical energy technologies. In this review, we recapitulate the recent progress of developing non-noble metal-based electrocatalysts for HER and HOR and provide insights into the origins of catalytic performance enhancement. Fundamental understanding of the synthesis-structure-activity correlations, focusing on the HER/HOR mechanisms in acidic/alkaline media on studied non-noble metal catalysts are also discussed.
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DOI
http://dx.doi.org/10.1016/j.nanoen.2017.10.045
ISSN
2211-2855
Appears in Collections:
ECHE_Journal Papers

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