Journal
CHINESE JOURNAL OF CATALYSIS
Volume 43, Issue 6, Pages 1459-1472Publisher
ELSEVIER
DOI: 10.1016/S1872-2067(21)63862
Keywords
Fuel cells; Oxygen reduction reaction; Electrocatalyst; Pt alloy; One-dimensional
Funding
- National Natural Science Foundation of China [22075092]
- Program for HUST Academic Frontier Youth Team [2018QYTD15]
- Innovation and Talent Recruitment Base of New Energy Chemistry and Device [B21003]
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Fuel cells have attracted attention for their high efficiency and environmental friendliness, but the use of platinum as a catalyst is limited by its high cost and poor activity. One-dimensional platinum-based composites show great advantages in efficient oxygen reduction reaction (ORR) catalysis. This review focuses on the recent advancements in the design and synthesis of one-dimensional Pt-based ORR catalysts and proposes challenges and perspectives for future research.
Fuel cells have attracted extensive attention due to their high conversion efficiency and environ???mental friendliness. However, their wider application is limited by the poor activity and high cost ofplatinum (Pt), which is widely used as the cathode catalyst to overcome the slow kinetics associated with oxygen reduction reaction (ORR). Pt???based composites with one???dimensional (1D) nanoarchi???tectures demonstrate great advantages towards efficient ORR catalysis. This review focuses on the recent advancements in the design and synthesis of 1D Pt???based ORR catalysts. After introducing the fundamental ORR mechanism and the advanced 1D architectures, their synthesis strategies (template???based and template???free methods) are discoursed. Subsequently, their morphology and structure optimization are highlighted, followed by the superstructure assembly using 1D Pt???based blocks. Finally, the challenges and perspectives on the synthesis innovation, structure design, phys???ical characterization, and theoretical investigations are proposed for 1D Pt???based ORR nanocata???lysts. We anticipate this study will inspire more research endeavors on efficient ORR nanocatalysts in fuel cell application. (c) 2022, Dalian Institute of Chemical Physics, Chinese Academy of Sciences.Published by Elsevier B.V. All rights reserved
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