Ce-Substituted Spinel CuCo2O4 Quantum Dots with High Oxygen Vacancies and Greatly Improved Electrocatalytic Activity for Oxygen Evolution Reaction

2021 ◽  
Author(s):  
Wenping Shi ◽  
Yuning Zhang ◽  
Lili Bo ◽  
Xiaolin Guan ◽  
Yunxia Wang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Electrocatalytic Activity ◽  
Oxygen Vacancies ◽  
High Oxygen

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.

Role of Specific N-Containing Active Sites in Interconnected Graphene Quantum Dots for the Enhanced Electrocatalytic Activity towards Oxygen Evolution Reaction

2017 ◽  
Vol 2 (31) ◽  
pp. 9943-9946 ◽  
Author(s):  
Sumana Kundu ◽  
Bibhudatta Malik ◽  
Deepak K. Pattanayak ◽  
Pitchai Ragupathy ◽  
Vijayamohanan K. Pillai
Keyword(s):  
Quantum Dots ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Electrocatalytic Activity ◽  
Active Sites ◽  
Graphene Quantum Dots

Hierarchically porous FeNi3@FeNi layered double hydroxide nanostructures: One-step fast electrodeposition and highly efficient electrocatalytic performances for overall water splitting

2021 ◽  
Author(s):  
Zihao Liu ◽  
Shifeng Li ◽  
Fangfang Wang ◽  
Mingxia Li ◽  
Yonghong Ni
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Layered Double Hydroxide ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Electrocatalytic Activity ◽  
Hierarchically Porous ◽  
One Step ◽  
Double Hydroxide

FeNi-layered double hydroxide (LDH) is thought to be an excellent electrocatalyst for oxygen evolution reaction (OER), but it always shows extremely poor electrocatalytic activity toward hydrogen evolution reaction (HER) in...

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...

Phosphorus-driven mesoporous Co3O4 nanosheets with tunable oxygen vacancies for the enhanced oxygen evolution reaction

2018 ◽  
Vol 259 ◽  
pp. 962-967 ◽  
Author(s):  
Qiucheng Xu ◽  
Hao Jiang ◽  
Haoxuan Zhang ◽  
Haibo Jiang ◽  
Chunzhong Li
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Oxygen Vacancies

Coupling Ag-doping and rich oxygen vacancies in mesoporous NiCoO nanorods supported on nickel foam for highly efficient oxygen evolution

2017 ◽  
Vol 4 (11) ◽  
pp. 1783-1790 ◽  
Author(s):  
Kai-Li Yan ◽  
Jing-Qi Chi ◽  
Zi-Zhang Liu ◽  
Bin Dong ◽  
Shan-Shan Lu ◽  
...  
Keyword(s):  
Surface Area ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Oxygen Vacancies ◽  
Nickel Foam ◽  
High Surface ◽  
High Surface Area ◽  
Ag Doping ◽  
Highly Efficient

Ag-doped mesoporous NiCoO nanorods as efficient and stable electrocatalysts for oxygen evolution reaction have been synthesized with desirable conductivity, high surface area and rich oxygen vacancies.

Ce-doped Ni-S nanosheets on Ni foam supported NiMoO4 micropillars: Fast electrodeposition, improved electrocatalytic activity and ultralong durability for oxygen evolution reaction in various electrolytes

2021 ◽  
Author(s):  
Fangfang Wang ◽  
Zihao Liu ◽  
Kuanjian Zhang ◽  
Qingqing Zha ◽  
Yonghong Ni
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Electrocatalytic Activity ◽  
Ni Foam

Developing active, durable, and inexpensive electrocatalysts for oxygen evolution reaction (OER) is drawing increased interest. Here, a mild hydrothermal-electrodeposition two-step route is designed for preparation of Ce-doped Ni-S@NiMoO4 micropillars composites...

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