Operando Identification of Hydrangea-like and Amorphous Cobalt Oxyhydroxide Supported by Thin-Layer Copper for Oxygen Evolution Reaction

2021 ◽  
Author(s):  
Hsueh-Yu Chen ◽  
Yu-Chung Chang ◽  
Jyh-Fu Lee ◽  
Chih-Wen Pao ◽  
Hsin-Chih Huang ◽  
...  
Keyword(s):  
Thin Layer ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Cobalt Oxyhydroxide

Activity of pure and transition metal-modified CoOOH for the oxygen evolution reaction in an alkaline medium

2017 ◽  
Vol 5 (2) ◽  
pp. 842-850 ◽  
Author(s):  
Zhu Chen ◽  
Coleman X. Kronawitter ◽  
Yao-Wen Yeh ◽  
Xiaofang Yang ◽  
Peng Zhao ◽  
...  
Keyword(s):  
Transition Metal ◽  
Oxygen Evolution ◽  
Alkaline Medium ◽  
Oxygen Evolution Reaction ◽  
Surface Species ◽  
Catalytic Activities ◽  
Cobalt Oxyhydroxide ◽  
Nickel Incorporation

Cobalt oxyhydroxide nanowires show excellent oxygen evolution activity, which is further enhanced by nickel incorporation. Effects of nickel and manganese incorporation on the catalytic activities are explained in term of surface species stabilities.

Vanadium–cobalt oxyhydroxide shows ultralow overpotential for the oxygen evolution reaction

2019 ◽  
Vol 7 (38) ◽  
pp. 21911-21917 ◽  
Author(s):  
Yan Cui ◽  
Yuan Xue ◽  
Rui Zhang ◽  
Jian Zhang ◽  
Xing'ao Li ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Cobalt Oxyhydroxide ◽  
Best Value

In the cation modulated V–Co based oxyhydroxide electrocatalyst, 190 mV overpotential at 10 mA cm−2 is the best value reported for Co or V (oxy)hydroxides based OER catalysts.

An Fe stabilized metallic phase of NiS2 for the highly efficient oxygen evolution reaction

Nanoscale ◽  
2019 ◽  
Vol 11 (48) ◽  
pp. 23217-23225 ◽  
Author(s):  
Xingyu Ding ◽  
Weiwei Li ◽  
Haipeng Kuang ◽  
Mei Qu ◽  
Meiyan Cui ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Thin Layer ◽  
Oxygen Evolution ◽  
Fast Electron ◽  
Oxygen Evolution Reaction ◽  
Metallic Phase ◽  
Highly Efficient ◽  
Conductive Channel

The Fe0.1Ni0.9S2 catalyst can maintain its own metallic phase as a conductive channel for fast electron transfer and a thin layer of Fe0.1Ni0.9OOH serves as an active catalytic phase for the OER.

The in situ derivation of a NiFe-LDH ultra-thin layer on Ni-BDC nanosheets as a boosted electrocatalyst for the oxygen evolution reaction

CrystEngComm ◽  
2021 ◽  
Author(s):  
Qibing Dong ◽  
Chao Shuai ◽  
Zunli Mo ◽  
Ruibin Guo ◽  
Nijuan Liu ◽  
...  
Keyword(s):  
Thin Layer ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Active Sites ◽  
Metal Organic Framework ◽  
Metal Organic ◽  
Splitting Process ◽  
Organic Framework

A Ni-based metal organic framework (Ni-BDC) and subsequently derived NiFe-LDH were studied to overcome the defect of the low availability of active sites for the oxygen evolution reaction (OER) during the water splitting process.

Enhanced oxygen evolution reaction on 2D CoOOH via strain engineering: an insightful view from spin state transition

2021 ◽  
Author(s):  
Feifei Li ◽  
Haoqiang Ai ◽  
Dong Liu ◽  
Kin Ho Lo ◽  
Hui Pan
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Spin State ◽  
Oxygen Evolution Reaction ◽  
State Transition ◽  
Catalytic Performance ◽  
Strain Engineering ◽  
Cobalt Oxyhydroxide ◽  
Spin State Transition ◽  
Electrochemical Water Splitting

Cobalt oxyhydroxide (CoOOH) has attracted great attention in electrochemical water splitting. However, the mechanism behind its catalytic performance and how to improve its activity are still under debate. In the...

scholarly journals Iron-induced 3D nanoporous iron-cobalt oxyhydroxide on carbon cloth as a highly efficient electrode for oxygen evolution reaction

2019 ◽  
Vol 40 (10) ◽  
pp. 1540-1547 ◽  
Author(s):  
Guodong Chen ◽  
Jian Du ◽  
Xilong Wang ◽  
Xiaoyue Shi ◽  
Zonghua Wang ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Carbon Cloth ◽  
Iron Cobalt ◽  
Highly Efficient ◽  
Cobalt Oxyhydroxide

Holey cobalt oxyhydroxide nanosheets for the oxygen evolution reaction

2021 ◽  
Vol 9 (6) ◽  
pp. 3297-3302
Author(s):  
Qing-Ling Hong ◽  
Quan-Guo Zhai ◽  
Xiao-Li Liang ◽  
Yun Yang ◽  
Fu-Min Li ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Cobalt Oxyhydroxide

Holey CoOOH nanosheets (CoOOH HNSs) are easily synthesized by a successive coordination–oxidation–hydrolysis strategy.

scholarly journals Direct Evidence of Cobalt Oxyhydroxide Formation on a La0.2Sr0.8CoO3 Perovskite Water Splitting Catalyst

2021 ◽  
Author(s):  
Anthony Boucly ◽  
Luca Artiglia ◽  
Emiliana Fabbri ◽  
Dennis Palagin ◽  
Dino Aegerter ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Direct Evidence ◽  
Huge Amount ◽  
Perovskite Materials ◽  
Cobalt Oxyhydroxide

Understanding the mechanism of oxygen evolution reaction (OER) on perovskite materials is of great interest for the development of more active catalysts. Despite the huge amount of literature reports, the...

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