Self-supported porous Ni-Fe-P composite as an efficient electrocatalyst for hydrogen evolution reaction in both acidic and alkaline medium
Ma, Zizai1; Li, Ruixue1; Wang, Mei1; Meng, Huijie1; Zhang, Fei1; Bao, Xiao-Qing2; Tang, Bin1; Wang, Xiaoguang1
2016
发表期刊Electrochimica Acta
ISSN0013-4686
卷号219页码:194-203
文章类型J
摘要Self-supported porous Ni-Fe-P nanocomposite cathode was fabricated via a direct reaction between metallic foam (Ni-Fe) and P vapor. Microstructure characterization results confirm that, after the reaction with P vapor, the metallic framework including Ni and Fe was converted into corresponding metallic phosphide compounds (i.e., Ni2P, Ni5P4and Fe2P) and quantities of nanosheet arrays vertically-grown on the ligament. Both in acidic (0.5 M H2SO4) and alkaline (1.0 M KOH) media, the as-obtained Ni-Fe-P electrode demonstrates a quite high HER catalytic performance as compared with pristine Ni and Ni-Fe foam, even being almost close to state-of-the-art Pt/C. The as-evolved typical micro-nano hierarchical 3D integrated framework coupled with quantities of nanosheet arrays on it should be responsible for the great HER performance of this resulting composite cathode, which provides not only fast channels for electron transfer but also offers large electrochemical surface area so as to expose more active sites toward the electrocatalysis for HER. Meanwhile, the synergistic effect between the three active Ni2P, Ni5P4and Fe2P phase may also play a crucial role in the as-revealed superior HER activity. These excellent results promise the potential application of this typical kind of multi-component Ni-Fe-P cathode toward electrochemical water splitting for large-scale hydrogen fuel production. © 2016 Elsevier Ltd
关键词Cathodes Electrocatalysis Electrocatalysts Electrodes Foams Hydrogen Production Iron Compounds Nanosheets
DOI10.1016/j.electacta.2016.10.004
收录类别Ei
语种英语
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8469
专题微细加工光学技术国家重点实验室(开放室)
作者单位1. Laboratory of Advanced Materials and Energy Electrochemistry, Research Institute of Surface Engineering, Taiyuan University of Technology, Taiyuan
2.030024, China
3. State Key Laboratory of Optical Technologies on Nanofabrication and Microengineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Box 350, Chengdu, China
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Ma, Zizai,Li, Ruixue,Wang, Mei,et al. Self-supported porous Ni-Fe-P composite as an efficient electrocatalyst for hydrogen evolution reaction in both acidic and alkaline medium[J]. Electrochimica Acta,2016,219:194-203.
APA Ma, Zizai.,Li, Ruixue.,Wang, Mei.,Meng, Huijie.,Zhang, Fei.,...&Wang, Xiaoguang.(2016).Self-supported porous Ni-Fe-P composite as an efficient electrocatalyst for hydrogen evolution reaction in both acidic and alkaline medium.Electrochimica Acta,219,194-203.
MLA Ma, Zizai,et al."Self-supported porous Ni-Fe-P composite as an efficient electrocatalyst for hydrogen evolution reaction in both acidic and alkaline medium".Electrochimica Acta 219(2016):194-203.
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