scholarly journals Nickel-iron catalysts for electrochemical water oxidation – redox synergism investigated by in situ X-ray spectroscopy with millisecond time resolution

2018 ◽  
Vol 2 (9) ◽  
pp. 1986-1994 ◽  
Author(s):  
Diego González-Flores ◽  
Katharina Klingan ◽  
Petko Chernev ◽  
Stefan Loos ◽  
Mohammad Reza Mohammadi ◽  
...  
Keyword(s):  
Time Resolution ◽  
Water Oxidation ◽  
Redox Chemistry ◽  
Iron Catalysts ◽  
Alkaline Water ◽  
X Ray ◽  
Nickel Iron

NiFe oxyhydroxides are prime candidates for efficient alkaline water oxidation; their redox chemistry is tracked by X-ray spectroscopy.

Direct Observation of Active Nickel Oxide Cluster in Nickel–Borate Electrocatalyst for Water Oxidation by In Situ O K-Edge X-ray Absorption Spectroscopy

2015 ◽  
Vol 119 (33) ◽  
pp. 19279-19286 ◽  
Author(s):  
Masaaki Yoshida ◽  
Yosuke Mitsutomi ◽  
Takehiro Mineo ◽  
Masanari Nagasaka ◽  
Hayato Yuzawa ◽  
...  
Keyword(s):  
Nickel Oxide ◽  
Absorption Spectroscopy ◽  
Direct Observation ◽  
Water Oxidation ◽  
Oxide Cluster ◽  
X Ray ◽  
X Ray Absorption

Highly dispersed and disordered nickel–iron layered hydroxides and sulphides: robust and high-activity water oxidation catalysts

2018 ◽  
Vol 2 (7) ◽  
pp. 1561-1573 ◽  
Author(s):  
Manjunath Chatti ◽  
Alexey M. Glushenkov ◽  
Thomas Gengenbach ◽  
Gregory P. Knowles ◽  
Tiago C. Mendes ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Low Temperature ◽  
High Activity ◽  
Water Oxidation ◽  
Microwave Assisted Synthesis ◽  
Oxidation Catalysts ◽  
Alkaline Water ◽  
Nickel Iron ◽  
Microwave Assisted ◽  
Highly Dispersed

A rapid low-temperature microwave-assisted synthesis of nickel(iron) layered hydroxides and sulphides that exhibit robust catalytic activity for electrooxidation of alkaline water is introduced.

CaMoO4 nanosheet arrays for efficient and durable water oxidation electrocatalysis under alkaline conditions

2018 ◽  
Vol 54 (40) ◽  
pp. 5066-5069 ◽  
Author(s):  
Ying Gou ◽  
Qin Liu ◽  
Xifeng Shi ◽  
Abdullah M. Asiri ◽  
Jianming Hu ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Nickel Foam ◽  
Alkaline Water ◽  
Nanosheet Arrays ◽  
Alkaline Conditions ◽  
Catalyst Electrode

CaMoO4 nanosheet arrays grown in situ on nickel foam (CaMoO4/NF) act as a superior 3D catalyst electrode for alkaline water oxidation with high long-term durability.

Disordered and oxygen vacancy-rich NiFe hydroxides/oxides in situ grown on amorphous ribbons for boosted alkaline water oxidation

2021 ◽  
Vol 880 ◽  
pp. 114918
Author(s):  
Hailong Li ◽  
Zhengwang Zhu ◽  
Yuanyuan Wang ◽  
Sen Chen ◽  
Chunming Liu ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Water Oxidation ◽  
Alkaline Water ◽  
Amorphous Ribbons

Nucleation and Growth of Gold Nanoparticles Studied via in situ Small Angle X-ray Scattering at Millisecond Time Resolution

ACS Nano ◽  
2010 ◽  
Vol 4 (2) ◽  
pp. 1076-1082 ◽  
Author(s):  
Jörg Polte ◽  
Robert Erler ◽  
Andreas F. Thünemann ◽  
Sergey Sokolov ◽  
T. Torsten Ahner ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Time Resolution ◽  
Small Angle ◽  
Nucleation And Growth ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Valence- and element-dependent water oxidation behaviors: in situ X-ray diffraction, absorption and electrochemical impedance spectroscopies

2017 ◽  
Vol 19 (13) ◽  
pp. 8681-8693 ◽  
Author(s):  
Chia-Shuo Hsu ◽  
Nian-Tzu Suen ◽  
Ying-Ya Hsu ◽  
Hsuan-Yu Lin ◽  
Ching-Wei Tung ◽  
...  
Keyword(s):  
Metal Oxides ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Electrochemical Impedance ◽  
X Ray Diffraction ◽  
X Ray ◽  
Oxidation Behaviors

Various metal oxides of the spinel family have shown great potential towards the oxygen evolution reaction, but this behavior only works in specific cases.

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