Electrodeposition of catalytically active nickel for the oxygen evolution reaction - effects of anionic composition

1993 ◽  
Vol 71 (4) ◽  
pp. 564-569 ◽  
Author(s):  
H. J. Miao ◽  
D. L. Piron
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Anionic Composition ◽  
Catalytically Active

Unified structural motifs of the catalytically active state of Co(oxyhydr)oxides during the electrochemical oxygen evolution reaction

2018 ◽  
Vol 1 (9) ◽  
pp. 711-719 ◽  
Author(s):  
Arno Bergmann ◽  
Travis E. Jones ◽  
Elias Martinez Moreno ◽  
Detre Teschner ◽  
Petko Chernev ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Active State ◽  
Structural Motifs ◽  
Catalytically Active ◽  
Electrochemical Oxygen

Activation of Catalytically Active Edge-Sharing Domains in Ca2FeCoO5 for Oxygen Evolution Reaction in Highly Alkaline Media

2019 ◽  
Vol 11 (32) ◽  
pp. 28823-28829 ◽  
Author(s):  
Damian Kowalski ◽  
Hisao Kiuchi ◽  
Teruki Motohashi ◽  
Yoshitaka Aoki ◽  
Hiroki Habazaki
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Alkaline Media ◽  
Active Edge ◽  
Catalytically Active

scholarly journals Modifying redox properties and local bonding of Co3O4 by CeO2 enhances oxygen evolution catalysis in acid

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Jinzhen Huang ◽  
Hongyuan Sheng ◽  
R. Dominic Ross ◽  
Jiecai Han ◽  
Xianjie Wang ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Redox Properties ◽  
Ex Situ ◽  
Reconstruction Process ◽  
Local Bonding ◽  
Catalytically Active ◽  
Earth Abundant

AbstractDeveloping efficient and stable earth-abundant electrocatalysts for acidic oxygen evolution reaction is the bottleneck for water splitting using proton exchange membrane electrolyzers. Here, we show that nanocrystalline CeO2 in a Co3O4/CeO2 nanocomposite can modify the redox properties of Co3O4 and enhances its intrinsic oxygen evolution reaction activity, and combine electrochemical and structural characterizations including kinetic isotope effect, pH- and temperature-dependence, in situ Raman and ex situ X-ray absorption spectroscopy analyses to understand the origin. The local bonding environment of Co3O4 can be modified after the introduction of nanocrystalline CeO2, which allows the CoIII species to be easily oxidized into catalytically active CoIV species, bypassing the potential-determining surface reconstruction process. Co3O4/CeO2 displays a comparable stability to Co3O4 thus breaks the activity/stability tradeoff. This work not only establishes an efficient earth-abundant catalysts for acidic oxygen evolution reaction, but also provides strategies for designing more active catalysts for other reactions.

An Fe-doped NiTe bulk crystal as a robust catalyst for the electrochemical oxygen evolution reaction

2019 ◽  
Vol 55 (63) ◽  
pp. 9347-9350 ◽  
Author(s):  
Lei Zhong ◽  
Yufei Bao ◽  
Xu Yu ◽  
Ligang Feng
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Bulk Crystal ◽  
Stable Performance ◽  
Electrochemical Oxygen

An Fe doped NiTe bulk crystal was demonstrated to exhibit an extremely active and stable performance for the electrochemical oxygen evolution reaction.

scholarly journals Robust Carbon-Stabilization of Few-Layer Black Phosphorus for Superior Oxygen Evolution Reaction

Coatings ◽  
2020 ◽  
Vol 10 (7) ◽  
pp. 695 ◽  
Author(s):  
Mengjie Zhang ◽  
Wenchang Zhu ◽  
Xingzhe Yang ◽  
Meng Feng ◽  
Hongbin Feng
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Black Phosphorus ◽  
Carbon Stabilization ◽  
High Durability ◽  
Carbon Coated ◽  
Alkaline Conditions ◽  
Doped Graphene ◽  
A Current

Few-layer exfoliated black phosphorus (Ex-BP) has attracted tremendous attention owing to its promising applications, including in electrocatalysis. However, it remains a challenge to directly use few-layer Ex-BP as oxygen-involved electrocatalyst because it is quite difficult to restrain structural degradation caused by spontaneous oxidation and keep it stable. Here, a robust carbon-stabilization strategy has been implemented to prepare carbon-coated Ex-BP/N-doped graphene nanosheet (Ex-BP/NGS@C) nanostructures at room temperature, which exhibit superior oxygen evolution reaction (OER) activity under alkaline conditions. Specifically, the as-synthesized Ex-BP/NGS@C hybrid presents a low overpotential of 257 mV at a current density of 10 mA cm−2 with a small Tafel slope of 52 mV dec−1 and shows high durability after long-term testing.

scholarly journals Dynamic Surface Chemistry of Catalysts in Oxygen Evolution Reaction

Small Science ◽  
2021 ◽  
pp. 2100011
Author(s):  
Zongkui Kou ◽  
Xin Li ◽  
Lei Zhang ◽  
Wenjie Zang ◽  
Xiaorui Gao ◽  
...  
Keyword(s):  
Surface Chemistry ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Dynamic Surface
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