氮掺杂有序介孔碳-Ni纳米复合材料的制备及电化学性能

引用本文: 潘旭晨, 汤静, 薛海荣, 郭虎, 范晓莉, 朱泽涛, 何建平. 氮掺杂有序介孔碳-Ni纳米复合材料的制备及电化学性能[J]. 无机化学学报, 2015, (2): 282-290. doi: 10.11862/CJIC.2015.039 shu

Citation: PAN Xu-Chen, TANG Jing, XUE Hai-Rong, GUO Hu, FAN Xiao-Li, ZHU Ze-Tao, HE Jian-Ping. Synthesis and Electrocatalytic Performance of N-Doped Ordered Mesoporous Carbon-Ni Nanocomposite[J]. Chinese Journal of Inorganic Chemistry, 2015, (2): 282-290. doi: 10.11862/CJIC.2015.039 shu

氮掺杂有序介孔碳-Ni纳米复合材料的制备及电化学性能

1.
南京航空航天大学材料科学与技术学院, 南京 210016

通讯作者: 何建平, E-mail:jianph@nuaa.edu.cn

基金项目:
国家自然科学基金(No.51372115)资助项目 (No.51372115)

摘要: 以F127为模板剂,NiCl₂为镍源,尿素为氮源,间苯二酚甲醛原位聚合树脂为碳源,分别采用均相法和两相法制备Ni-N-OMC-1,Ni-N-OMC-2纳米复合材料.X射线衍射(XRD)、激光拉曼以及透射电子显微镜(TEM)等测试结果表明,复合材料具有有序介孔结构,Ni以金属微粒形式嵌于碳骨架中,提高了有序介孔碳的石墨化程度.X射线光电子能谱测试(XPS)表明尿素热解后以4种形式存在:sp³杂化与C结合的N原子,吡啶N原子,sp³杂化与C结合的N原子以及quaternary-N原子.Ni-N的共改性改变了碳载体的理化性质,有利于Pt纳米粒子的负载与分散.均相法制备的Ni-N-OMC-1复合材料微波负载Pt后,氧还原极限电流密度为5.32mA·cm^-2,氢氧化电化学活性面积高达138.53m²·g^-1,电化学催化活性优于商业20%Pt/C材料(4.49mA·cm^-2,96.98m²·g^-1).

关键词:

均相法;两相法;有序介孔碳;N-Ni复合掺杂;电催化活性

English

Synthesis and Electrocatalytic Performance of N-Doped Ordered Mesoporous Carbon-Ni Nanocomposite

1.
College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Corresponding author: 何建平, E-mail:jianph@nuaa.edu.cn

Received Date: 12 August 2014
Fund Project:
国家自然科学基金(No.51372115)资助项目

Abstract: Highly ordered mesoporous carbon co-modified with Ni-Ncan be prepared via homogeneous phase route as well as dual-phase route, named as Ni-N-OMC-1 and Ni-N-OMC-2 respectively. Triblock copolymer Pluronic F127 were employed as the template agent, urea as the Nprecursor, NiCl₂ as the Ni source and resorcinol-formaldehyde resin as the carbon precursor. X-ray diffraction (XRD), Raman, and transmission electron microscope (TEM) showed that nickel particles dispersed in the carbon matrix in forms of metal nickel, in situ catalyzing the graphitization of amorphous carbon. X-ray photoelectron spectroscopy (XPS) revealed that urea existed in four different Nspecies after heat treatment: sp³ nitrogen atoms bonded to carbon atoms, pyridine-like N, sp³ nitrogen atoms bonded to carbon atoms and quaternary-Natoms. The co-modification of nitrogen and nickel changed the physicochemical properties of carbon matrix, thus making for the loading and dispersing of Pt. Pt nanoparticles deposited on Ni-N-OMC-1 nanocompsite showed excellent electrocatalytic activity. The electrochemical active surface area of hydrogen oxidation was 138.53 m²·g^-1 and the limiting current density in ORRwas 5.32 mA·cm^-2, which indicated higher electrocatalytic ability than that of the commercial 20% Pt/Ccatalysts (4.49 mA·cm^-2, 96.98 m²·g^-1).

Key words:

homogeneous phase route;dual-phase route;ordered mesoporous carbon;co-modified with Ni-N;electrocatalytic activity

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

氮掺杂有序介孔碳-Ni纳米复合材料的制备及电化学性能

通讯作者: 何建平, E-mail:jianph@nuaa.edu.cn

English

Synthesis and Electrocatalytic Performance of N-Doped Ordered Mesoporous Carbon-Ni Nanocomposite

Corresponding author: 何建平, E-mail:jianph@nuaa.edu.cn

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

氮掺杂有序介孔碳-Ni纳米复合材料的制备及电化学性能

通讯作者: 何建平, E-mail:jianph@nuaa.edu.cn

English

Synthesis and Electrocatalytic Performance of N-Doped Ordered Mesoporous Carbon-Ni Nanocomposite

Corresponding author: 何建平, E-mail:jianph@nuaa.edu.cn

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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