Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 607, Issue -, Pages 791-815Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2021.09.008
Keywords
Electrocatalysis; Oxygen reduction reaction; Platinum group metal; Transition metal compounds; Carbon-based electrocatalysts
Categories
Funding
- National Natural Science Foundation of China [21771061]
- Outstanding Youth Fund of Heilongjiang Province [JQ 2020B002]
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The review explores the reaction mechanisms and theoretical calculations of ORR in acidic and alkaline media, as well as tracking the latest reports and challenges in ORR electrocatalysis. It presents the latest advances in the development of ORR electrocatalysts, and speculates on the development prospects and challenges of ORR electrocatalysts.
Oxygen reduction reaction (ORR) has gradually been in the limelight in recent years because of its great application potential for fuel cells and rechargeable metal-air batteries. Therefore, significant issues are increasingly focused on developing effective and economical ORR electrocatalysts. This review begins with the reaction mechanisms and theoretical calculations of ORR in acidic and alkaline media. The latest reports and challenges in ORR electrocatalysis are traced. Most importantly, the latest advances in the development of ORR electrocatalysts are presented in detail, including platinum group metal (PGM), transition metal, and carbon-based electrocatalysts with various nanostructures. Furthermore, the development prospects and challenges of ORR electrocatalysts are speculated and discussed. These insights would help to formulate the design guidelines for highly-active ORR electrocatalysts and affect future research to obtain new knowledge for ORR mechanisms. (c) 2021 Elsevier Inc. All rights reserved.
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