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掺氮介孔炭作为双功能材料用于氧还原与超级电容器
  • ISSN号：0253-9837
  • 期刊名称：《催化学报》
  • 时间：0
  • 分类：TQ111[化学工程—无机化工]
  • 作者机构：[1]暨南大学化学系,广东广州510632, [2]暨南大学水生生物研究所,广东广州510460, [3]暨南大学分析测试中心,广东广州510632
  • 相关基金：国家自然科学基金（21031001,21376105）;第44批留学回国人员科研启动基金：广东省大学生创新创业训练计划（10559120720）.
作者： 梁群英[1], 苏红[2], 闫晶[1], 梁俊杰[1], 曹水良[3], 袁定胜[1]
关键词： 掺氮介孔炭材料, 壳聚糖, 电催化, 氧还原反应, 超级电容器, N-doped mesoporous carbon, chitosan, electrocatalyst, oxygen reduction reaction, supercapacitor
中文摘要：

以壳聚糖为含氮碳源，正硅酸乙酯为软模板，硝酸镍为催化剂，通过简单的低温水热法及后续炭化，成功合成出掺氮介孔炭材料（NMC-1）. NMC-1含有多孔结构以及氮氧等杂原子，能提高其电催化性能、双电层电容与赝电容.由于NMC-1在碱液中表现出显著的催化氧还原反应活性和具有较高的超级电容器比电容（在0.2 A/g时为252 F/g）及好的循环稳定性，因此，它有可能作为一种可再生、环保的双功能材料同时应用于燃料电池与超级电容器领域.

英文摘要：

A N-doped mesoporous carbon （NMC-1） has been synthesized at relatively low temperature using chitosan as a nitrogen and carbon source, tetraethoxysilane as a soft template, and nickel nitrate as a catalyst. NMC-1 has a porous structure and heteroatoms such as N and O atoms, indicating that NMC-1 can contribute to electrocatalysis, electric double-layer capacitance, and pseudocapacitance. Hence, NMC-1 was used as a bifunctional material which shows effective activity as an electrocatalyst for oxygen reduction reaction in alkaline solution, and a high specific capacitance as an ultracapacitor （252 F/g at 0.2 A/g）. The results demonstrate that the presented NMC-1 has potential applications as a renewable and environmentally friendly material in fuel cells and supercapacitors.

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期刊信息
  • 《催化学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国化学会 中国科学院大连化学物理研究所
  • 主编：李灿 张涛
  • 地址：大连市沙河口区中山路457号
  • 邮编：116023
  • 邮箱：chxb@dicp.ac.cn
  • 电话：0411-84379240
  • 国际标准刊号：ISSN：0253-9837
  • 国内统一刊号：ISSN：21-1195/O6
  • 邮发代号:8-93
  • 获奖情况:
  • 第三届国家期刊奖提名奖,中国科协精品科技期刊示范项目
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  • 被引量:19199