Maximizing the Synergistic Effect of CoNi Catalyst on α-MoC for Robust Hydrogen Production

被引：168

作者：

Ge, Yuzhen ^{[1
,2
]}

Qin, Xuetao ^{[1
,2
]}

Li, Aowen ^{[3
]}

Deng, Yuchen ^{[1
,2
]}

Lin, Lili ^{[1
,2
]}

Zhang, Mengtao ^{[1
,2
]}

Yu, Qiaolin ^{[1
,2
]}

Li, Siwei ^{[1
,2
]}

Peng, Mi ^{[1
,2
]}

Xu, Yao ^{[1
,2
]}

Zhao, Xueyao ^{[1
,2
]}

Xu, Mingquan ^{[3
]}

Zhou, Wu ^{[3
,4
]}

Yao, Siyu ^{[5
]}

Ma, Ding ^{[1
,2
]}

机构：

[1] Peking Univ, Coll Chem & Mol Engn, Coll Engn, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China

[2] Peking Univ, BIC ESAT, Beijing 100871, Peoples R China

[3] Univ Chinese Acad Sci, Sch Phys Sci, CAS Key Lab Vacuum Phys, Beijing 100049, Peoples R China

[4] Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Beijing 100049, Peoples R China

[5] Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn, Minist Educ, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2021年 / 143卷 / 02期

关键词：

HYDROLYTIC DEHYDROGENATION; AMMONIA-BORANE; CLUSTERS; WATER; NANOPARTICLES; STORAGE; STATE;

D O I：

10.1021/jacs.0c11285

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the syntheses of highly dispersed CoNi bimetallic catalysts on the surface of alpha-MoC based on the strong metal support interaction (SMSI) effect. The interaction between the nearly atomically dispersed Co and Ni atoms was observed for the first time by the real-space chemical mapping at the atomic level. Combined with the ability of alpha-MoC to split water at low temperatures, the as-synthesized CoNi/alpha-MoC catalysts exhibited robust and synergistic performance for the hydrogen production from hydrolysis of ammonia borane. The metal-normalized activity of the bimetallic 1.5Co1.5Ni/alpha-MoC catalyst reached 321.1 mol(H2).mol(-1) (CoNi).min(-1) at 298 K, which surpasses all the noble metal-free catalysts ever reported and is four times higher than that of the commercial Pt/C catalyst.

引用

页码：628 / 633

页数：6

共 33 条

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