新型炭材料（中英文）2024，Vol.39Issue(2)：321-333,13.DOI:10.1016/S1872-5805(24)60844-9
氮掺杂空心碳纳米球嵌入氮掺杂石墨烯负载钯纳米粒子作为甲酸氧化的高效电催化剂
N-doped hollow carbon nanospheres embedded in N-doped graphene loaded with palladium nanoparticles as an efficient electrocatalyst for formic acid oxidation
摘要
Abstract
Efficient electrocatalysts with a low cost,high activity and good durability play a crucial role in the use of direct form-ic acid fuel cells.Pd nanoparticles supported on N-doped hollow carbon nanospheres(NHCNs)embedded in an assembly of N-doped graphene(NG)with a three-dimensional(3D)porous structure by a simple and economical method were investigated as direct form-ic acid fuel cell catalysts.Because of the unique porous configuration of interconnected layers doped with nitrogen atoms,the Pd/NHCN@NG catalyst with Pd nanoparticles has a large catalytic active surface area,superior electrocatalytic activity,a high steady-state current density,and a strong resistance to CO poisoning,far surpassing those of conventional Pd/C,Pd/NG,and Pd/NHCN catalysts for formic acid electrooxidation.When the HCN/GO mass ratio was 1∶1,the Pd/NHCN@NG catalyst had an outstanding performance in the catalytic oxidation of formic acid,with an activity 4.21 times that of Pd/C.This work indicates a way to produce superior carbon-based support materials for electrocatalysts,which will be beneficial for the development of fuel cells.关键词
甲酸电氧化/氮掺杂中空碳纳米球/氮掺杂石墨烯/载体材料/三维互连层状多孔结构Key words
Formic acid electrooxidation/N-doped hollow carbon nanosphere/N-doped graphene/Support material/Three-dimen-sional interconnected layered porous configuration分类
通用工业技术引用本文复制引用
房越,杨富开,曲微丽,邓超,王振波..氮掺杂空心碳纳米球嵌入氮掺杂石墨烯负载钯纳米粒子作为甲酸氧化的高效电催化剂[J].新型炭材料（中英文）,2024,39(2):321-333,13.基金项目
This research is financially supported by the Na-tional Natural Science Foundation of China(21503059)and Innovation Foundation of GraduateS-tudent of Harbin Normal University(HSDSSCX2019-37). 国家自然科学基金(21503059)和哈尔滨师范大学研究生创新基金(HSDSSCX2019-37). （21503059）
