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引用本文:   张震, 邵鑫, 黄明华. 负载四氧化三钴纳米粒子的介孔碳基氧还原反应催化剂的电化学性能分析. 分析化学, 2020, 48(6): 721-726. doi:  10.19756/j.issn.0253-3820.201026 [复制]

Citation:   ZHANG Zhen , SHAO Xin , HUANG Ming-Hua . Cobaltosic Oxide Nanoparticles Supported on Mesoporous Carbon as Highly Efficient Electrocatalysts for Oxygen Reduction Reaction. Chinese Journal of Analytical Chemistry, 2020, 48(6): 721-726. doi: 10.19756/j.issn.0253-3820.201026 [复制]

负载四氧化三钴纳米粒子的介孔碳基氧还原反应催化剂的电化学性能分析

收稿日期: 2020-01-10

基金项目: 本文系国家自然科学基金(No.21775142)、中德科学中心项目(No.GZ 1351)和中央高校基本科研基金项目(No.201822008)资助

Cobaltosic Oxide Nanoparticles Supported on Mesoporous Carbon as Highly Efficient Electrocatalysts for Oxygen Reduction Reaction

Received Date:  2020-01-10

Fund Project:  This work was supported by the National Natural Science Foundation of China (No. 21775142), the Sino-German Center for Research Promotion (No. GZ 1351) and the Fundamental Research Funds for the Central Universities, China (No. 201822008).

采用软模板法合成介孔碳材料前驱体,引入钴盐,通过高温煅烧等步骤得到负载钴氧化物纳米粒子的介孔碳基催化剂。通过X-射线衍射(XRD)、透射电子显微镜(TEM)、X-射线光电子能谱(XPS)、循环伏安法(CV)和线性扫描伏安法(LSV)等测试方法对所制备的催化剂的成分、结构和电化学性能进行了表征。结果表明,钴以四氧化三钴的形式成功负载于介孔碳材料基底,所得催化剂在碱性环境中表现出与商业Pt/C催化剂相当的氧还原催化活性,并且其稳定性优于商业Pt/C催化剂,有望取代造价高昂的Pt/C基催化剂,成为新型燃料电池阴极催化材料。

关键词:   介孔碳, 四氧化三钴纳米粒子, 氧还原反应, 非贵金属催化剂
Key words:   Mesoporous carbon, Cobaltosic oxide, Oxygen reduction reaction, Non-noble metal catalyst
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负载四氧化三钴纳米粒子的介孔碳基氧还原反应催化剂的电化学性能分析

张震, 邵鑫, 黄明华

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