Self-powered H-2 production with bifunctional hydrazine as sole consumable
Liu, XJ (Liu, Xijun)[ 1,2 ]; He, J (He, Jia)[ 1,2 ]; Zhao, SZ (Zhao, Shunzheng)[ 3 ]; Liu, YP (Liu, Yunpeng)[ 4 ]; Zhao, Z (Zhao, Zhe)[ 1,2 ]; Luo, J (Luo, Jun)[ 1,2 ]; Hu, GZ (Hu, Guangzhi)[ 5 ]; Sun, XM (Sun, Xiaoming)[ 6 ]; Ding, Y (Ding, Yi)[ 1,2 ]
2018
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
卷号9期号:4365页码:1-10
摘要

Splitting hydrazine into H-2 and N-2 by electro-catalyzing hydrogen evolution and hydrazine oxidation reactions is promising for replacing fossil energy with H-2. However, current hydrazine splitting is achieved using external powers to drive the two reactions, which is inapplicable to outdoor use. Here, Fe-doped CoS2 nanosheets are developed as a bifunctional electrocatalyst for the two reactions, by which direct hydrazine fuel cells and overall-hydrazine-splitting units are realized and integrated to form a self-powered H-2 production system. Without external powers, this system employs hydrazine bifunctionally as the fuel of direct hydrazine fuel cell and the splitting target, namely a sole consumable, and exhibits an H-2 evolution rate of 9.95 mmol h(-1), a 98% Faradaic efficiency and a 20-h stability, all comparable to the best reported for self-powered water splitting. These performances are due to that Fe doping decreases the free-energy changes of H adsorption and adsorbed NH2NH2 dehydrogenation on CoS2.

DOI10.1038/s41467-018-06815-9
收录类别SCI
WOS记录号WOS:000447697100023
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/5628
专题省部共建新疆特有药用资源利用重点实验室
作者单位1.Tianjin Univ Technol, Sch Mat, Inst New Energy Mat & Low Carbon Technol, Ctr Elect Microscopy, Tianjin 300384, Peoples R China
2.Tianjin Univ Technol, Sch Mat, Inst New Energy Mat & Low Carbon Technol, Tianjin Key Lab Adv Funct Porous Mat, Tianjin 300384, Peoples R China
3.Univ Sci & Technol Beijing, Dept Environm Engn, Beijing 100083, Peoples R China
4.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, State Key Lab Basis Xinjiang Indigenous Med Plant, Key Lab Chem Plant Resources Arid Reg, Urumqi 830011, Peoples R China
6.Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714
Liu, XJ ,He, J ,Zhao, SZ ,et al. Self-powered H-2 production with bifunctional hydrazine as sole consumable[J]. NATURE COMMUNICATIONS,2018,9(4365):1-10.
APA Liu, XJ .,He, J .,Zhao, SZ .,Liu, YP .,Zhao, Z .,...&Ding, Y .(2018).Self-powered H-2 production with bifunctional hydrazine as sole consumable.NATURE COMMUNICATIONS,9(4365),1-10.
MLA Liu, XJ ,et al."Self-powered H-2 production with bifunctional hydrazine as sole consumable".NATURE COMMUNICATIONS 9.4365(2018):1-10.
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