In situ electrochemical formation of NiSe/NiOx core/shell nano-electrocatalysts for superior oxygen evolution activity

2016 ◽  
Vol 6 (23) ◽  
pp. 8268-8275 ◽  
Author(s):  
Ruiqin Gao ◽  
Guo-Dong Li ◽  
Jiabo Hu ◽  
Yuanyuan Wu ◽  
Xinran Lian ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Electrocatalytic Activity ◽  
Core Shell ◽  
Excellent Activity

Despite the superior oxygen evolution electrocatalytic activity of metal-selenide nanostructures, especially when compared with their oxide counterparts, the origin behind their excellent activity remains unclear.

In situ electrochemical formation of core–shell nickel–iron disulfide and oxyhydroxide heterostructured catalysts for a stable oxygen evolution reaction and the associated mechanisms

2017 ◽  
Vol 5 (9) ◽  
pp. 4335-4342 ◽  
Author(s):  
Min Zhou ◽  
Qunhong Weng ◽  
Xiuyun Zhang ◽  
Xi Wang ◽  
Yanming Xue ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Core Shell ◽  
Nickel Iron ◽  
Iron Disulfide ◽  
Catalytic Stability ◽  
Stable Oxygen

A novel Ni–Fe disulfide@oxyhydroxide core–shell heterostructure exhibits excellent electrochemical catalytic stability and activity for the oxygen evolution reaction (OER).

scholarly journals MOF-derived (MoS2, γ-Fe2O3)/graphene Z-scheme photocatalysts with excellent activity for oxygen evolution under visible light irradiation

RSC Advances ◽  
2020 ◽  
Vol 10 (29) ◽  
pp. 17154-17162 ◽  
Author(s):  
Ang Li ◽  
Yuxiang Liu ◽  
Xuejun Xu ◽  
Yuanyuan Zhang ◽  
Zhichun Si ◽  
...  
Keyword(s):  
Visible Light ◽  
Oxygen Evolution ◽  
Visible Light Irradiation ◽  
Oxygen Evolution Reaction ◽  
Light Irradiation ◽  
Excellent Activity

The heterojunction between MoS2 and γ-Fe2O3 was constructed via linking by in situ formed graphene, which resulted in a good photocatalyst for the oxygen evolution reaction, showing O2 evolution activity of 4400 μmol g−1 h−1.

In situ design of Cu and Co nanoparticles encapsulated in N-doped graphene with core–shell structure-derived 8-hydroxyquinoline complexes for the selective catalytic reduction of NOx by NH3

2020 ◽  
Vol 44 (29) ◽  
pp. 12639-12645
Author(s):  
Zhifang Li ◽  
Jian Yang ◽  
Xiaoyu Ma ◽  
Jinxing Cui ◽  
Yuanyuan Ma ◽  
...  
Keyword(s):  
Active Site ◽  
Shell Structure ◽  
Catalytic Reduction ◽  
Core Shell ◽  
Excellent Activity ◽  
Doped Graphene ◽  
Reduction Of Nox ◽  
Core Shell Structure ◽  
Co Nanoparticles

The Cu and Co nanoparticles surrounding by N-doped graphene (labeled Cu@N-Gr and Co@N-Gr) catalysts exhibited excellent activity in the NH3-SCR, which is because the graphene shell can effectively prevent the agglomeration of active site.

scholarly journals NiMoO 4 @Co 3 O 4 Core–Shell Nanorods: In Situ Catalyst Reconstruction toward High Efficiency Oxygen Evolution Reaction (Adv. Energy Mater. 32/2021)

2021 ◽  
Vol 11 (32) ◽  
pp. 2170128
Author(s):  
Getachew Solomon ◽  
Anton Landström ◽  
Raffaello Mazzaro ◽  
Matteo Jugovac ◽  
Paolo Moras ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
High Efficiency ◽  
Core Shell ◽  
Energy Mater

Cu/(Cu(OH) 2 -CuO) core/shell nanorods array: in-situ growth and application as an efficient 3D oxygen evolution anode

2015 ◽  
Vol 163 ◽  
pp. 102-106 ◽  
Author(s):  
Ningyan Cheng ◽  
Yurui Xue ◽  
Qian Liu ◽  
Jingqi Tian ◽  
Lixue Zhang ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Core Shell ◽  
In Situ Growth ◽  
Nanorods Array

Cu2O@Fe–Ni3S2 nanoflower in situ grown on copper foam at room temperature as an excellent oxygen evolution electrocatalyst

2020 ◽  
Vol 56 (82) ◽  
pp. 12339-12342
Author(s):  
Li Li Wu ◽  
Yu Xian Yang ◽  
Xiao Hui Chen ◽  
Juan Luo ◽  
Hong Chuan Fu ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Water Oxidation ◽  
Room Temperature ◽  
Core Shell ◽  
Copper Foam

A 3D/2D core–shell Cu2O@Fe–Ni3S2 nanoflower is prepared at room temperature through an etching precipitation strategy for enhanced electrochemical water oxidation.

A core@shell hollow heterostructure of Co3O4 and Co3S4: an efficient oxygen evolution catalyst

2019 ◽  
Vol 43 (39) ◽  
pp. 15768-15776 ◽  
Author(s):  
Chavi Mahala ◽  
Mamta Devi Sharma ◽  
Mrinmoyee Basu
Keyword(s):  
Oxygen Evolution ◽  
Electrocatalytic Activity ◽  
Core Shell ◽  
Hollow Core

A hollow core@shell nanostructure of Co3O4 and Co3S4 helps to enhance the electrocatalytic activity for the OER.

In situ growth of cobalt@cobalt-borate core–shell nanosheets as highly-efficient electrocatalysts for oxygen evolution reaction in alkaline/neutral medium

Nanoscale ◽  
2017 ◽  
Vol 9 (41) ◽  
pp. 16059-16065 ◽  
Author(s):  
Chao Xie ◽  
Yanyong Wang ◽  
Dafeng Yan ◽  
Li Tao ◽  
Shuangyin Wang
Keyword(s):  
Renewable Energy ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Neutral Medium ◽  
Core Shell ◽  
In Situ Growth ◽  
Crucial Issue ◽  
Renewable Energy Technologies ◽  
Energy Technologies

Development of efficient non-noble metal electrocatalysts for oxygen evolution reaction (OER) is still a crucial issue for renewable energy technologies.

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