Molybdate intercalated CoFe-layered double hydroxides for overall water splitting

被引:0
|
作者
Guo, Zicheng [1 ]
He, Yao [1 ]
Chen, Peng [1 ]
Li, Risheng [1 ]
Wang, Ziyu [2 ]
Xu, Xiaowei [1 ]
Chang, Shufang [1 ]
Li, Ying [1 ]
Jia, Runping [1 ]
Han, Sheng [2 ]
机构
[1] Shanghai Inst Technol, Sch Mat Sci & Engn, Shanghai 201418, Peoples R China
[2] Shanghai Inst Technol, Sch Chem & Environm Engn, Shanghai 201418, Peoples R China
关键词
CoFe-LDH-MoO4(2-); Layered double hydroxide; Overall water splitting; Intercalation; BIFUNCTIONAL OXYGEN ELECTROCATALYSTS; HIGHLY EFFICIENT; HYDROGEN EVOLUTION; NANOSHEET ARRAYS; LDH; FABRICATION; ANIONS; CO3O4; MOS2; FOAM;
D O I
10.1016/j.ijhydene.2024.05.431
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The exploration of bifunctional electrocatalysts with abundant resources and excellent catalytic performances is currently one of the fundamental conditions for the development and promotion of hydrogen energy technology. In this work, an extremely simple one-step hydrothermal strategy was proposed for the preparation of CoFelayered double hydroxide nanosheets intercalated with molybdate (CoFe-LDH-MoO4 2-). The well-designed electrocatalyst exhibits outstanding catalytic activity due to the adjustability of two-dimensional layered materials, synergistic effects of Co and Fe, as well as expanded inter-layer distance, which necessitates overpotential of 74 and 92 mV at 10 mA cm-2 for HER and OER, respectively. When the CoFe-LDH-MoO4 2- is assembled in a twoelectrode system, it requires a cell voltage of 1.50 V to drive 10 mA cm- 2. The innovative exploration of this work offers a novel approach to construct multifunctional electrocatalysts for efficient and stable total water splitting.
引用
收藏
页码:1500 / 1507
页数:8
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