PtCo-based nanocatalyst for oxygen reduction reaction: Recent highlights on synthesis strategy and catalytic mechanism

Wenjuan Yan; Puhua Sun; Chen Luo; Xingfan Xia; Zhifei Liu; Yuming Zhao; Shuxia Zhang; Liang Sun; Feng Du

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PtCo-based nanocatalyst for oxygen reduction reaction: Recent highlights on synthesis strategy and catalytic mechanism

Review | Updated：2026-01-06

- PtCo-based nanocatalyst for oxygen reduction reaction: Recent highlights on synthesis strategy and catalytic mechanism
- Chinese Journal of Chemical Engineering Vol. 53, Issue 1, Pages: 101-123(2023)
- Affiliations：
  
  1. State Key Laboratory of Heavy Oil Processing, Center for Chemical Engineering Experimental Teaching, Oil Industry Training Center, China University of Petroleum,Qingdao,China,266580
  2. Petrochemical Research Institute, PetroChina,Beijing,China,102200
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2023
- Accepted：
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Wenjuan Yan, Puhua Sun, Chen Luo, Xingfan Xia, Zhifei Liu, Yuming Zhao, Shuxia Zhang, Liang Sun, Feng Du. PtCo-based nanocatalyst for oxygen reduction reaction: Recent highlights on synthesis strategy and catalytic mechanism[J]. Chinese Journal of Chemical Engineering, 2023, 53(1): 101-123.
DOI：

Wenjuan Yan, Puhua Sun, Chen Luo, Xingfan Xia, Zhifei Liu, Yuming Zhao, Shuxia Zhang, Liang Sun, Feng Du. PtCo-based nanocatalyst for oxygen reduction reaction: Recent highlights on synthesis strategy and catalytic mechanism[J]. Chinese Journal of Chemical Engineering, 2023, 53(1): 101-123. DOI：

摘要

Abstract

Oxygen reduction reaction over Pt-based catalyst is one of the most significant cathode reactions in fuel cells. However

low reserves and high price of Pt have motivated researchers worldwide seeking enhanced utilization efficiency and durability by doping non-noble metals to form Pt-based alloy catalysts. Alloying Pt with Co has been recognized as one of the most effective approaches to achieve this goal. PtCo bimetal combination is one of the most promising candidates to synthesize highly efficient catalysts for oxygen reduction reaction (ORR) applications

owing to its relatively more suitable oxygen binding energy for four-electron transfer reactions. Recently

impressive strategies have been developed to fabricate more active and stable PtCo-based multimetallic alloys with tailorable size and morphology. This paper aims to summarize the most recent highlights on the study of the relationship between preparation strategies

morphologies

electroactivities of the PtCo-based catalyst at atomic level and further the relevant reaction mechanism. The challenges and opportunities on the further development of electrocatalysts for fuel cells are included to provide reference for the practical application.

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