Results 51 to 60 of about 67,671 (331)

Benchmark performance of low-cost Sb2Se3 photocathodes for unassisted solar overall water splitting [PDF]

open access: yes, 2020
Determining cost-effective semiconductors exhibiting desirable properties for commercial photoelectrochemical water splitting remains a challenge. Herein, we report a Sb2Se3 semiconductor that satisfies most requirements for an ideal high-performance ...
A Fujishima   +48 more
core   +4 more sources

Photoelectrochemical behavior of electrophoretically deposited hematite thin films modified with ti(IV) [PDF]

open access: yes, 2016
: Doping hematite with different elements is a common strategy to improve the electrocatalytic activity towards the water oxidation reaction, although the exact effect of these external agents is not yet clearly understood.
Argazzi, Roberto   +9 more
core   +2 more sources

Defect‐Rich Heterogeneous MoS2/NiS2 Nanosheets Electrocatalysts for Efficient Overall Water Splitting

open access: yesAdvanced Science, 2019
Designing and constructing bifunctional electrocatalysts is vital for water splitting. Particularly, the rational interface engineering can effectively modify the active sites and promote the electronic transfer, leading to the improved splitting ...
Jinghuang Lin   +9 more
doaj   +1 more source

Preparation and Characterization of Ti/rGO-RuO2 Electrode for Hydrogen and Oxygen Evolution Reactions

open access: yesInternational Journal of Electrochemical Science, 2018
This paper presents a preparation method of a graphene RuO2 composite electrode. The electrode is obtained via electrochemical reduction of graphene oxide (GO) on a Ti substrate followed by thermal decomposition to prepare RuO2. According to results from
Xiaoyang Bao   +3 more
doaj   +1 more source

Efficient Renewable-to-Hydrogen Conversion via Decoupled Electrochemical Water Splitting

open access: yesCell Reports Physical Science, 2020
Summary: Water electrolysis powered by renewables provides a green approach to hydrogen production to support the “hydrogen economy.” However, the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) are tightly coupled in both time ...
Jianhang Huang, Yonggang Wang
doaj   +1 more source

Stainless steel made to rust: a robust water-splitting catalyst with benchmark characteristics [PDF]

open access: yes, 2015
The oxygen evolution reaction (OER) is known as the efficiency-limiting step for the electrochemical cleavage of water mainly due to the large overpotentials commonly used materials on the anode side cause.
Anindita   +78 more
core   +1 more source

RuO2 electronic structure and lattice strain dual engineering for enhanced acidic oxygen evolution reaction performance

open access: yesNature Communications, 2022
While water splitting in acid offers higher operational performances than in alkaline conditions, there are few high-activity, acid-stable oxygen evolution electrocatalysts.
Yin Qin   +13 more
doaj   +1 more source

The Self-Passivation Mechanism in Degradation of BiVO4 Photoanode

open access: yesiScience, 2019
Summary: BiVO4 is a promising photoanode material for solar-assisted water splitting in a photoelectrochemical cell but has a propensity to degrade. Investigations carried out here in 0.1 M Na2SO4 electrolyte showed that degradation is by dissolution of ...
Xin Yao   +9 more
doaj   +1 more source

Optimized Metal Chalcogenides for Boosting Water Splitting

open access: yesAdvanced Science, 2020
Electrocatalytic water splitting (2H2O → 2H2 + O2) is a very promising avenue to effectively and environmentally friendly produce highly pure hydrogen (H2) and oxygen (O2) at a large scale.
Jie Yin   +9 more
doaj   +1 more source

Recent Advances Regarding Precious Metal-Based Electrocatalysts for Acidic Water Splitting

open access: yesNanomaterials, 2022
Electrochemical water splitting has wide applicability in preparing high-density green energy. The Proton exchange membrane (PEM) water electrolysis system is a promising technique for the generation of hydrogen due to its high electrolytic efficiency ...
Yuanting Peng   +7 more
doaj   +1 more source

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