Porous and amorphous cobalt hydroxysulfide core–shell nanoneedles on Ti-mesh as a bifunctional electrocatalyst for energy-efficient hydrogen production via urea electrolysis

2021 ◽  
Author(s):  
Yu Jiang ◽  
Shanshan Gao ◽  
Gongchen Xu ◽  
Xiaoming Song
Keyword(s):  
Hydrogen Production ◽  
High Activity ◽  
Energy Efficient ◽  
Bifunctional Catalyst ◽  
Core Shell ◽  
Bifunctional Electrocatalyst ◽  
Urea Electrolysis ◽  
Ti Mesh

Porous and amorphous CoSx(OH)y core–shell nanoneedles covered by numerous ultra-thin small nanosheets are synthesized successfully on Ti-mesh, and act as a high activity and stability bifunctional catalyst for urea electrolysis.

Ti-Mesh supported porous CoS2 nanosheet self-interconnected networks with high oxidation states for efficient hydrogen production via urea electrolysis

Nanoscale ◽  
2020 ◽  
Vol 12 (21) ◽  
pp. 11573-11581
Author(s):  
Yu Jiang ◽  
Shanshan Gao ◽  
Jinling Liu ◽  
Gongchen Xu ◽  
Qiang Jia ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Oxidation States ◽  
Urea Electrolysis ◽  
High Oxidation ◽  
Interconnected Networks ◽  
Urea Decomposition ◽  
Ti Mesh

Porous CoS2 nanosheet networks with high oxidation states are successfully fabricated on a Ti-mesh and could be applied to urea decomposition.

Ni-foam supported Co(OH)F and Co–P nanoarrays for energy-efficient hydrogen production via urea electrolysis

2019 ◽  
Vol 7 (8) ◽  
pp. 3697-3703 ◽  
Author(s):  
Min Song ◽  
Zijin Zhang ◽  
Qingwei Li ◽  
Wei Jin ◽  
Zexing Wu ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Energy Efficient ◽  
Ni Foam ◽  
Urea Electrolysis

Ni-foam-supported Co(OH)F and Co–P nanoarrays were developed for energy-efficient hydrogen production with the assistance of urea electrolysis.

Template-directed assembly of urchin-like CoSx/Co-MOF as an efficient bifunctional electrocatalyst for overall water and urea electrolysis

2020 ◽  
Vol 7 (14) ◽  
pp. 2602-2610 ◽  
Author(s):  
Huizhu Xu ◽  
Ke Ye ◽  
Kai Zhu ◽  
Jinling Yin ◽  
Jun Yan ◽  
...  
Keyword(s):  
Directed Assembly ◽  
Bifunctional Catalyst ◽  
Catalytic Performance ◽  
Bifunctional Electrocatalyst ◽  
Urea Electrolysis

The urchin-like CoSx/Co-MOF as a bifunctional catalyst has good catalytic performance toward UOR and HER.

Hydrazine-assisted electrolytic hydrogen production: CoS2nanoarray as a superior bifunctional electrocatalyst

2017 ◽  
Vol 41 (12) ◽  
pp. 4754-4757 ◽  
Author(s):  
Xiao Ma ◽  
Jianmei Wang ◽  
Danni Liu ◽  
Rongmei Kong ◽  
Shuai Hao ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Oxidation Reaction ◽  
Bifunctional Electrocatalyst ◽  
Hydrazine Oxidation ◽  
Electrolytic Hydrogen ◽  
Ti Mesh

A CoS2nanoarray on Ti mesh acts as an efficient and durable catalyst for the hydrazine oxidation reaction and it only needs 0.81 V to attain 100 mA cm−2in 1.0 M KOH with 100 mM hydrazine for its two-electrode electrolyser.

In situ formation of a 3D core/shell structured Ni3N@Ni–Bi nanosheet array: an efficient non-noble-metal bifunctional electrocatalyst toward full water splitting under near-neutral conditions

2017 ◽  
Vol 5 (17) ◽  
pp. 7806-7810 ◽  
Author(s):  
Lisi Xie ◽  
Fengli Qu ◽  
Zhiang Liu ◽  
Xiang Ren ◽  
Shuai Hao ◽  
...  
Keyword(s):  
Water Splitting ◽  
Noble Metal ◽  
Bifunctional Catalyst ◽  
Core Shell ◽  
Bifunctional Electrocatalyst ◽  
Overall Water Splitting ◽  
Nanosheet Array ◽  
In Situ Formation ◽  
Neutral Conditions

An in situ electrochemically developed core/shell structured Ni3N@Ni–Bi nanosheet array behaves as an efficient bifunctional catalyst for overall water splitting.

High-performance urea electrolysis towards less energy-intensive electrochemical hydrogen production using a bifunctional catalyst electrode

2017 ◽  
Vol 5 (7) ◽  
pp. 3208-3213 ◽  
Author(s):  
Danni Liu ◽  
Tingting Liu ◽  
Lixue Zhang ◽  
Fengli Qu ◽  
Gu Du ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Oxidation Reaction ◽  
High Performance ◽  
Pure Water ◽  
Bifunctional Catalyst ◽  
Carbon Cloth ◽  
Urea Electrolysis ◽  
Catalyst Electrode

Ni2P nanoflake arrays on carbon cloth act as an efficient and durable catalyst electrode for the urea oxidation reaction (UOR) and hydrogen evolution reaction (HER). Its two-electrode alkaline electrolyzer needs 1.35 V for 50 mA cm−2, which is 0.58 V less than that required for pure water splitting.

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