Results 41 to 50 of about 7,318 (162)

An Overview of Different Water Electrolyzer Types for Hydrogen Production

Energies
While fossil fuels continue to be used and to increase air pollution across the world, hydrogen gas has been proposed as an alternative energy source and a carrier for the future by scientists.
Mustafa Ergin Şahin
doaj   +1 more source

Effect of Plasma Spraying Power on Catalytic Performance of Nickel Electrode in Alkaline Water Electrolysis [PDF]

Cailiao Baohu
Plasma spraying power is a key parameter for regulating the microstructure and electrochemical performance of nickel electrodes in alkaline water electrolysis.To investigate the regulatory effect of spraying power (33～39 kW) on the catalytic performance ...
GUI Xionghui, CHEN Qinqin, ZHANG Qinhao, LIANG Lijun, YAO Jin, MIAO He, SUO Xinkun
doaj   +1 more source

Relationship between degradation mechanism and water electrolysis efficiency of electrodeposited nickel electrodes

npj Materials Degradation
This work investigates the degradation or corrosion of bulk and mesoporous (MP) electrodeposited nickel electrodes in alkaline water electrolysis in the absence and presence of magnetic field.
Amirali Farmani, Farzin Fahimi, Farzad Nasirpouri   +2 more
doaj   +1 more source

Novel Electrocatalyst for Alkaline Membrane Water Electrolysis

ChemElectroChem, 2020
AbstractThe production of H2 has aroused considerable attention worldwide as a renewable and sustainable energy source for domestic, industrial, and automotive purposes. Currently, about 95 % of H2 is produced from the steam reforming of methane. However, this process leads to the burning of fossil fuels and emits greenhouse gases into the atmosphere ...
openaire   +1 more source

Magnetron sputter deposited NiCu alloy catalysts for production of hydrogen through electrolysis in alkaline water

Materials Science for Energy Technologies, 2018
NiCu alloy catalysts with varying composition for electrolysis in alkaline water have been prepared by DC magnetron co-sputtering under Ar gas environment at substrate bias of −60 V. Nanocrystallinity, lattice parameters and grain size of the NiCu alloys
Mukesh Kumar, Nagaraj P. Shetti
doaj   +1 more source

Role of the heterogenous structure of ZnO/MnFeO3 in enhancing Bi-functional electrocatalyst for alkaline water electrolysis

Nano Express
An electrocatalyst, Zn-doped 3D porous MnFeO _3 , is developed and investigated for its efficacy in alkaline water electrolysis. The electrocatalyst is synthesized through a sol–gel method and characterized comprehensively. Incorporating zinc (Zn) doping
Malavika Sadanandan, Tushar Chauhan, Krishna Kanta Haldar   +2 more
doaj   +1 more source

Ni-Mo and Ni-Mo-Co composite catalytic alloys for alkaline water electrolysis [PDF]

Электрохимическая энергетика
Currently, a large number of studies on alkaline water electrolysis are being carried out with the aim of reducing the specific energy costs for the hydrogen evolution reaction and the oxygen evolution reaction.
Gavrillyuk, Andrew Alexandrovich, Kuleshov, Vladimir Nikolaevich, Kurochkin, Semyon V., Lanskaya, Irina I., Isaev, Yaroslav V.   +4 more
doaj   +1 more source

Unraveling Oxygen Evolution Reaction Enhancement Mechanisms: From Internal to External Fields of Electrolyzers

ChemElectroChem
Hydrogen energy, as a pivotal secondary energy carrier for the future, plays a core role in achieving global carbon neutrality goals through its green production.
Qiwei Zhang, Yicheng Wang, Jiayuan Wei, Yazhi Wei, Bin Chen, Zehui Yang   +5 more
doaj   +1 more source

Faster R-CNN-based Detection and Tracking of Hydrogen and Oxygen Bubbles in Alkaline Water Electrolysis

Electrochemistry
In this study, a method for detecting and tracking hydrogen and oxygen bubbles during alkaline water electrolysis was developed using Faster R-CNN and DeepSORT.
Kohei TOYAMA, Ryo KANEMOTO, Ryuta MISUMI, Takuto ARAKI, Shigenori MITSUSHIMA   +4 more
doaj   +1 more source

Environmental Sustainability Assessment of Green Hydrogen Production from Seawater Using Life Cycle Assessment

Proceedings of the International Conference on Applied Innovations in IT
The electrolysis of water to produce green hydrogen fuel is pivotal for the transition to renewable energy sources. Predominantly, this process utilizes low-temperature alkaline or proton exchange membrane electrolysers, which require high-purity water ...
Halina Falfushynska, Cornelia Scott, Markus Holz   +2 more
doaj   +1 more source