Effect of Phosphorus Doping on the Catalytic Performance of Carbon Supported Platinum Catalysts for Oxygen Reduction
LIU Jinwei, CHANG Liyuan, WANG Ruzhi*
Key Laboratory of Advanced Functional Materials of Education Ministry of China, Institute of Advanced Energy Materials and Devices (Faculty of Materials and Manufacturing), Beijing University of Technology, Beijing 100124, China
Abstract: In order to explore the synthesis of new type of low platinum catalyst for proton exchange membrane fuel cells with high catalytic activity and stability, a phosphorus-doped modified carbon-supported platinum catalyst (Px-Pt/C) was successfully prepared by an improved impregnation reduction method. The electrochemical performance test proves that the catalytic oxygen reduction reaction (ORR) performance of Pt/C can be improved by phosphorus doping. The mass activity (MA) of P1.5-Pt/C is 1.6 times higher than that of JM20Pt/C. After 10 000 cycles accelerated durability test, the electrochemical surface area (ECSA) of P1.5-Pt/C increases by 2.92%, with MA decreasing by 43.87%, while the ECSA of JM20Pt/C decreases by 33.7%, with MA decreasing by 53.33%, respectively. It is shown that phosphating can improve the ORR catalytic activity and stability of Pt/C catalysts.
作者简介: 刘金伟,2018年毕业于河南理工大学材料科学与工程专业,获工学学士学位。现为北京工业大学硕士研究生,在王如志教授指导下进行研究,主要研究方向为质子交换膜燃料电池低铂催化剂的制备及其性能研究。21040096-6 王如志,北京工业大学教授、博士研究生导师,新能源材料与技术研究所所长。1997年于湘潭大学物理系获工学学士学位,2000年于湘潭大学物理系获理学硕士学位,2003年于北京工业大学材料科学与工程学院获工学博士学位。曾为美国麻省理工学院访问学者、日本产业综合技术研究所特别研究员、香港中文大学研究助理及香港城市大学访问研究员。目前主要研究领域为新能源材料与技术、纳米半导体光电功能材料与器件及人工智能新材料与器件技术。已在Energy & Environmental Science、Advanced Materials、Journal of the American Chemical Society、Advanced Functional Materials、Chemistry of Materials、Journal of Materials Chemistry :A、Physical Review B、Applied Physics Letters等国际知名学术刊物上发表SCI收录论文150多篇,其中,以第一或通讯作者发表的SCI收录一、二区论文70余篇。申请国家发明专利90余项,其中第一发明人国家授权发明专利20余项。主持了军科委基础加强计划重点基础研究项目课题、5项国家自然科学基金、北京市科技新星计划及北京市自然科学基金等科研项目10余项。
引用本文:
刘金伟, 畅丽媛, 王如志. 磷掺杂对碳载铂催化剂氧还原催化性能的影响[J]. 材料导报, 2022, 36(21): 21040096-6.
LIU Jinwei, CHANG Liyuan, WANG Ruzhi. Effect of Phosphorus Doping on the Catalytic Performance of Carbon Supported Platinum Catalysts for Oxygen Reduction. Materials Reports, 2022, 36(21): 21040096-6.
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