新型炭材料2011，Vol.26Issue(4)：262-270,9.DOI:10.1016/S1872-5805(11)60081-4
炭纸上原位生长CNF/CP复合体的氧气电催化反应性能
Electrocatalytic oxygen-reduction reaction on a carbon nanofiber/carbon paper composite
摘要
Abstract
A carbon nanofiber/carbon paper (CNF/CP) composite was synthesized directly on CP by a catalytic chemical vapor-deposition method,and the physicochemical properties of and oxygen-reduction reaction (ORR) on this composite were investigated.Scanning electron microscopy shows that the CNFs are uniformly distributed on the CP,and high-resolution transmission electron microscopy results show that the CNFs have a narrow size distribution.The CNF/CP composite has a large surface area,and its mesoporous character is confirmed by N2physisorption.Raman spectrum studies show that the CNF/CP composite has a high ratio of edge atoms to basal atoms compared with that of CP.From cyclic voltammetry studies,the CNF/CP composite was found to be more active than CP in terms of ORR,which may be due to the contribution from the CNFs.The CNF/CP composite shows a higher exchange current density and more positive equilibrium potential than CP,as verified by Tafel analysis.Moreover,linear-sweep voltammetry confirms that ORR on the CNF/CP composite is conducted through a two-electron reaction pathway.关键词
纳米炭纤维/CNF/CP复合体/催化化学气相沉积/电催化性能/氧气还原反应Key words
Carbon nanofibers/Carbon nanofiber/carbon paper composite/Catalytic chemical vapor deposition/Electrocatalytic properties/Oxygen-reduction reaction分类
通用工业技术引用本文复制引用
郑俊生,王喜照,符蓉,李平,杨代军,吕洪,马建新..炭纸上原位生长CNF/CP复合体的氧气电催化反应性能[J].新型炭材料,2011,26(4):262-270,9.基金项目
National Natural Science Fundation of China (21006073),Shanghai Rising-Star Program (11 QA1407200),open-project program of the State Key Laboratory of Chemical Engineering (SKL-ChE-08C07),and Shanghai Leading Academic Discipline Project (B303).国家自然科学基金(21006073),上海市青年科技启明星计划(llQA1407200),化学工程国家重点实验室开放基金(SKL-ChE-08C07),上海市重点学科建设项目(B303)和同济大学汉高教席项目. （21006073）
