沃柑皮衍生多孔碳负载钴纳米颗粒复合材料的制备及其电催化性能  

Preparation and electrocatalytic properties of fertile orange peels derived porous carbon-supported Co nanoparticle composites

作　　者：郭锐 付顺利 沈长辉 姚悦 樊晓宇 GUO Rui;FU Shunli;SHEN Changhui;YAO Yue;FAN Xiaoyu(College of Mechanical Engineering,Anhui Science and Technology University,Fengyang 233100,China;College of Chemistry and Materials Engineering,Anhui Science and Technology University,Bengbu 233030,China;School of Electrical and Electronic Engineering,Anhui Science and Technology University,Bengbu 233030,China)

机构地区：[1]安徽科技学院机械工程学院,安徽凤阳233100 [2]安徽科技学院化学与材料工程学院,安徽蚌埠233030 [3]安徽科技学院电气与电子工程学院,安徽蚌埠233030

出　　处：《安徽科技学院学报》2024年第3期102-109,共8页Journal of Anhui Science and Technology University

基　　金：安徽省高校自然科学研究项目(2022AH051633);蚌埠市科技计划项目(2022gx10);安徽科技学院人才稳定项目(HCWD202001);安徽科技学院科研发展基金(FZ220116);安徽省大学生创新创业训练计划项目(S202210879092,S202310879039)。

摘　　要：目的:研发低成本、高效耐用的生物质基氧还原催化剂来替代贵金属氧还原催化剂,以降低燃料电池商业化成本。方法:以沃柑皮和硝酸钴为原料,通过浸渍和高温热处理的方法合成负载Co纳米颗粒的生物基碳材料(Co-C)。结果:所制备的Co-C在0.1 mol/L KOH溶液中催化氧还原反应(ORR)的平均电子转移数为3.59,接近四电子催化途径,具有优异的催化性能;Co-C的起始电位为-0.11 V,接近商业Pt/C(Pt 20%)的起始电位-0.10 V,其稳定性及抗甲醇性均优于商业Pt/C(Pt 20%)。结论:该生物质沃柑皮衍生多孔碳负载Co纳米颗粒复合材料在电催化领域具有巨大的应用潜力。Objective:To reduce the commercial cost of fuel cells is of importance to develop biomass-based oxygen reduction catalysts with cost-effective,highly efficient and long-lasting as an alternative to noble metal oxygen reduction catalysts.Methods:Bio-based carbon materials loaded with Co nanoparticles(Co-C)were synthesized by dipping and high-temperature heat treatment using the peel of fertile oranges and Co(NO 3)2·6H 2 O.Results:The findings indicated that the prepared Co-C catalyzed Oxygen Reduction Reaction(ORR)at the average electron transfer number of 3.59 in 0.1 mol/L KOH solution,which was close to the four-electron catalytic pathway.The Co-C had excellent catalytic performance.Moreover,the onset potential of Co-C(-0.11 V)was close to that of commercial Pt/C(-0.10 V,Pt 20%).The stability and methanol resistance of the prepared Co-C were superior to commercial Pt/C(Pt 20%).Conclusion:This biomass-derived orange peel-based porous carbon loaded with Co nanoparticles has enormous application potential in the field of electrocatalysis.

关 键 词：多孔生物质碳 氧还原反应 电化学催化剂 

分 类 号：TM911.4[电气工程—电力电子与电力传动]