Ru-doped 3D flower-like bimetallic phosphide with a climbing effect on overall water splitting

被引：351

作者：

Chen, Ding ^{[1
,2
]}

Lu, Ruihu ^{[3
]}

Pu, Zonghua ^{[1
]}

Zhu, Jiawei ^{[1
]}

Li, Hai-Wen ^{[4
]}

Liu, Fang ^{[1
,5
]}

Hu, Song ^{[1
]}

Luo, Xu ^{[1
]}

Wu, Jinsong ^{[1
,5
]}

Zhao, Yan ^{[3
]}

Mu, Shichun ^{[1
,2
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

[2] Adv Energy Sci & Technol Guangdong Lab, Foshan Xianhu Lab, Xianhu Hydrogen Valley 528200, Foshan, Peoples R China

[3] Wuhan Univ Technol, Int Sch Mat Sci & Engn, State Key Lab Silicate Mat Architectures, Wuhan 430070, Peoples R China

[4] Kyushu Univ, Int Res Ctr Hydrogen Energy, Int Inst Carbon Neutral Energy Res, Platform Inter Transdisciplinary Energy Res, Fukuoka 8190395, Japan

[5] Wuhan Univ Technol, NRC Nanostruct Res Ctr, Wuhan 430070, Peoples R China

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2020年 / 279卷

关键词：

Bimetallic phosphide; MOF derivative; Bifunctional catalyst; Water splitting; DFT calculation; HYDROGEN EVOLUTION REACTION; BIFUNCTIONAL CATALYST; EFFICIENT; NANOPARTICLES; PH; ELECTROCATALYSTS; NANOARRAYS;

D O I：

10.1016/j.apcatb.2020.119396

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 resplendent prospect of water splitting hydrogen production technology makes the development of efficient and stable hydrogen/oxygen evolution reactions (HER/OER) bifunctional catalysts become urgent. Herein, inspired by the density function theory (DFT) calculation result that Ru-dopants have a climbing effect on both OER and HER processes, we construct a Ru doped three-dimensional flower-like bimetallic phosphide on nickel foam (Ru-NiCoP/NF) derived from Co leaf-like zeolitic imidazolate framework (Co ZIF-L), effectively driving both OER (216mV@20 mA cm(-2)) and HER (44mV@10 mA cm(-2)) in 1 M KOH solutions. The overall water splitting device assembled by using Ru-NiCoP/NF as both anode and cathode shows an ultralow cell voltage of 1.515 V to obtain 10 mA cm(-2). Interestingly, almost 100 % Faradic yield is achieved for the overall water splitting. This work represents a significant addition to exploring a new class of transition metal phosphides with outstanding performance in producing hydrogen via electrochemical water electrolysis.

引用

页数：8

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