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Citation: Jiashun Liang, Zhengpei Miao, Feng Ma, Ran Pan, Xian Chen, Tanyuan Wang, Huan Xie, Qing Li. Enhancing oxygen reduction electrocatalysis through tuning crystal structure: Influence of intermetallic MPt nanocrystals[J]. Chinese Journal of Catalysis, ;2018, 39(4): 583-589. doi: 10.1016/S1872-2067(17)62989-9 shu

Enhancing oxygen reduction electrocatalysis through tuning crystal structure: Influence of intermetallic MPt nanocrystals

School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China

Received Date: 29 November 2017
Revised Date: 23 December 2017

Fund Project: This work was supported by the National 1000 Young Talents Program of China, the National Natural Science Foundation of China (21603078), and National Materials Genome Project (2016YFB0700600).

The slow kinetics of oxygen reduction reaction (ORR) occurring at the cathode of a proton exchange membrane fuel cell require the presence of an electrocatalyst to reduce overpotential. MPt alloy nanocrystals (NCs) have been investigated over the last decade as efficient catalysts for ORR and recent studies have shown that structurally-ordered MPt NCs, i.e., intermetallic NCs (iNCs), are more active and exhibit enhanced stability compared with the corresponding randomly alloyed analogues. This mini-review highlights the recent progress in iNC catalyst development for ORR with emphasis on correlating the synthesis-structure-activity relationship. Perspectives and possible research directions to enhance MPt iNC catalytic performance are also proposed.
- Electrocatalysis,
- Oxygen reduction reaction,
- Nanocrystal,
- Intermetallics,
- Alloy
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