NaBH4-Reduction Induced Tunable Oxygen Vacancies in LaNiO2.7 to Enhance the Oxygen Evolution Reaction

2021 ◽  
Author(s):  
Yuwei Jin ◽  
Wenjing Huo ◽  
Libin Zhang ◽  
Yong Li ◽  
Qianqian Chen ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Theoretical Prediction ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Oxygen Vacancies ◽  
Time Stability ◽  
Long Time ◽  
Nabh4 Reduction ◽  
Reduction Approach

The tunable oxygen vacancies of LaNiO3 (LNO-Vo) is realized by the theoretical prediction and NaBH4-reduction approach. The LNO2.7 catalyst exhibits superior catalytic activity and long-time stability for water oxidation. A...

Ultrathin amorphous cobalt–vanadium hydr(oxy)oxide catalysts for the oxygen evolution reaction

2018 ◽  
Vol 11 (7) ◽  
pp. 1736-1741 ◽  
Author(s):  
Juzhe Liu ◽  
Yongfei Ji ◽  
Jianwei Nai ◽  
Xiaogang Niu ◽  
Yi Luo ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Oxide Catalysts ◽  
Simple Strategy

A simple strategy to synthesize ultrathin, amorphous and alloyed structural cobalt–vanadium hydr(oxy)oxide catalysts with enhanced water oxidation catalytic activity.

scholarly journals Template-free synthesis of mesoporous manganese oxides with catalytic activity in the oxygen evolution reaction

2017 ◽  
Vol 1 (4) ◽  
pp. 780-788 ◽  
Author(s):  
Suoyuan Lian ◽  
Michelle P. Browne ◽  
Carlota Domínguez ◽  
Serban N. Stamatin ◽  
Hugo Nolan ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
High Activity ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Manganese Oxides ◽  
Template Free ◽  
Highly Porous

Solvothermally synthesised MnCO3 leads to template-free formation of highly porous, defect-rich MnO2 with high activity in water oxidation.

Heterogeneous Co(OH)2 nanoplates/Co3O4 nanocubes enriched with oxygen vacancies enable efficient oxygen evolution reaction electrocatalysis

Nanoscale ◽  
2018 ◽  
Vol 10 (39) ◽  
pp. 18468-18472 ◽  
Author(s):  
Hui Xu ◽  
Jingjing Wei ◽  
Min Zhang ◽  
Chaofan Liu ◽  
Yukihide Shiraishi ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Electrocatalytic Activity ◽  
Oxygen Vacancies

The heterogeneous Co(OH)2 nanoplate/Co3O4 nanocube hybrids with rich oxygen vacancies display excellent electrocatalytic activity and durability towards the OER, holding great potential for practical water oxidation.

Modelling an electrochemically roughened porous platinum electrode for water oxidation

2016 ◽  
Vol 52 (21) ◽  
pp. 4068-4071 ◽  
Author(s):  
Alexander Weremfo ◽  
Xunyu Lu ◽  
Paul Carter ◽  
D. Brynn Hibbert ◽  
Chuan Zhao
Keyword(s):  
Catalytic Activity ◽  
Central Composite Design ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Platinum Electrode ◽  
Pt Electrode ◽  
Central Composite

The use of a central composite design to model the roughness of an electrochemically roughened Pt electrode and the surface with a well-defined nanostructure exhibits greatly improved catalytic activity towards oxygen evolution reaction.

Oxygen defect engineering in double perovskite oxides for effective water oxidation

2020 ◽  
Vol 8 (21) ◽  
pp. 10957-10965 ◽  
Author(s):  
Yunmin Zhu ◽  
Xiao Zhong ◽  
Shiguang Jin ◽  
Haijun Chen ◽  
Zuyun He ◽  
...  
Keyword(s):  
Plasma Treatment ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Oxygen Vacancies ◽  
Double Perovskite ◽  
Perovskite Oxides ◽  
Oxygen Defect ◽  
Defect Engineering ◽  
Effective Water

Generating oxygen vacancies in PrBa0.5Sr0.5Co1.5Fe0.5O5+δvia plasma treatment for strongly boosted oxygen evolution reaction activity.

Synthesis and characterization of Co2−xRhxP nanoparticles and their catalytic activity towards the oxygen evolution reaction

2018 ◽  
Vol 6 (25) ◽  
pp. 12142-12152 ◽  
Author(s):  
Samuel I. Mutinda ◽  
Da Li ◽  
Jacob Kay ◽  
Stephanie L. Brock
Keyword(s):  
Catalytic Activity ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Electrocatalytic Activity ◽  
Synthesis And Characterization

Incorporation of small amounts of Rh results in a significant improvement in the electrocatalytic activity of Co2P for water oxidation.

Controllable growth of graphdiyne layered nanosheets for high-performance water oxidation

2021 ◽  
Author(s):  
Shuya Zhao ◽  
Yurui Xue ◽  
Zhongqiang Wang ◽  
Zhiqiang Zheng ◽  
Xiaoyu Luan ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
High Performance ◽  
Low Cost ◽  
Highly Active ◽  
Controllable Growth

Developing highly active, stable and low-cost electrocatalysts capable of an efficient oxygen evolution reaction (OER) is urgent and challenging.

Bifunctional citrate-Ni0.9Co0.1(OH)x layer coated fluorine-doped hematite for simultaneous hole extraction and injection towards efficient photoelectrochemical water oxidation

Nanoscale ◽  
2021 ◽  
Author(s):  
Peng Wang ◽  
Feng Li ◽  
Xuefeng Long ◽  
Tong Wang ◽  
Huan Chai ◽  
...  
Keyword(s):  
Surface Modification ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Surface Oxygen ◽  
Co Catalyst ◽  
Photoelectrochemical Water Oxidation

Surface modification by loading a water oxidation co-catalyst (WOC) is generally considered to be an efficient means to optimize the sluggish surface oxygen evolution reaction (OER) of hematite photoanode for...

Graphene-Induced Growth of Co3O4 Nanoplates with Modulable Oxygen Vacancies for Improved OER Properties

CrystEngComm ◽  
2021 ◽  
Author(s):  
Xinheng Li ◽  
Lei Qi ◽  
Mei Wang
Keyword(s):  
Transition Metal ◽  
Metal Oxide ◽  
Hydrothermal Treatment ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Oxygen Vacancies ◽  
Transition Metal Oxide ◽  
Oxide Hydroxide

Transition metal oxide/ hydroxide is intensively studied for oxygen evolution reaction (OER). Herein, graphene-induced growth of Co3O4 nanoplates with modulable oxygen vacancies via hydrothermal treatment is reported. With the increase...

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