Optimization of the Hydrogen‐Adsorption Free Energy of Ru‐Based Catalysts towards High‐Efficiency Hydrogen Evolution Reaction at all pH

2019 ◽  
Vol 25 (36) ◽  
pp. 8579-8584 ◽  
Author(s):  
Min Cheng ◽  
Hongbo Geng ◽  
Yang Yang ◽  
Yufei Zhang ◽  
Cheng Chao Li
Keyword(s):  
Free Energy ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
High Efficiency ◽  
Hydrogen Adsorption ◽  
Adsorption Free Energy

Enhancing the hydrogen evolution activity of MoS2 basal planes and edges using tunable carbon-based supports

Nanoscale ◽  
2020 ◽  
Author(s):  
Charlie Ruffman ◽  
Calum Keith Gordon ◽  
James Thomas Alan Gilmour ◽  
Frank Donald Mackenzie ◽  
Anna L. Garden
Keyword(s):  
Density Functional Theory ◽  
Free Energy ◽  
Hydrogen Evolution ◽  
Basal Plane ◽  
Density Functional ◽  
Hydrogen Adsorption ◽  
Two Dimensional ◽  
Functional Theory ◽  
Adsorption Free Energy ◽  
Carbon Based

The hydrogen adsorption free energy (ΔGHads) on the basal plane and edges of MoS2 is studied using periodic density functional theory, with the catalyst supported by a range of two-dimensional...

Polyvinylpyrrolidone Gel Based Pt/Ni(OH)2 Heterostructures with Redistributing Charges for Enhanced Alkaline Hydrogen Evolution Reaction

2021 ◽  
Author(s):  
Jin Li ◽  
Bo Li ◽  
He Huang ◽  
Shuo Yan ◽  
Changzhou Yuan ◽  
...  
Keyword(s):  
Free Energy ◽  
Hydrogen Evolution ◽  
Gibbs Free Energy ◽  
Hydrogen Evolution Reaction ◽  
Dissociation Energy ◽  
Active Sites ◽  
Hydrogen Adsorption ◽  
Water Dissociation ◽  
Promising Strategy

Optimizing water dissociation energy and hydrogen adsorption Gibbs free energy of active sites through redistributing charges in heterostructures are a promising strategy for improving alkaline hydrogen evolution reaction (HER). Herein,...

Selective phosphidation: an effective strategy toward CoP/CeO2 interface engineering for superior alkaline hydrogen evolution electrocatalysis

2018 ◽  
Vol 6 (5) ◽  
pp. 1985-1990 ◽  
Author(s):  
Rong Zhang ◽  
Xiang Ren ◽  
Shuai Hao ◽  
Ruixiang Ge ◽  
Zhiang Liu ◽  
...  
Keyword(s):  
Free Energy ◽  
Hydrogen Evolution ◽  
Hydrogen Adsorption ◽  
Water Dissociation ◽  
Effective Strategy ◽  
Interface Engineering ◽  
Adsorption Free Energy ◽  
Ti Mesh

In 1.0 M KOH, CoP–CeO2 nanosheets film on Ti mesh (CoP–CeO2/Ti) attains 10 mA cm−2 at overpotential of 43 mV due to its lower water dissociation free energy and more optimal hydrogen adsorption free energy than CoP.

Heterostructured CoP/MoO2 on Mo foil as high-efficiency electrocatalysts for the hydrogen evolution reaction in both acidic and alkaline media

2020 ◽  
Vol 8 (14) ◽  
pp. 6732-6739 ◽  
Author(s):  
Huihui Zhao ◽  
Zhi Li ◽  
Xiaoping Dai ◽  
Meilin Cui ◽  
Fei Nie ◽  
...  
Keyword(s):  
Free Energy ◽  
Electronic Structure ◽  
Hydrogen Evolution Reaction ◽  
High Efficiency ◽  
Alkaline Media ◽  
Dual Phase ◽  
Charge Redistribution ◽  
Acidic Solutions ◽  
Adsorption Free Energy ◽  
Acidic And Alkaline Media

The dual-phase synergy between CoP and MoO2 and the modulated electronic structure induced by heterointerfacial charge redistribution lead to enhanced H2O dissociation and optimized H-adsorption free energy, accelerating the HER in alkaline and acidic solutions.

Flower-like tungsten-doped Fe–Co phosphides as efficient electrocatalysts for hydrogen evolution reaction

CrystEngComm ◽  
2021 ◽  
Author(s):  
Qian Zhang ◽  
Shuihua Tang ◽  
Lieha Shen ◽  
Weixiang Yang ◽  
Zhen Tang ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Adsorption Energy ◽  
High Performance ◽  
Hydrogen Adsorption ◽  
Cost Effective

Developing cost-effective and high-performance electrocatalysts for hydrogen evolution reaction (HER) are imperative thanks to rapid increase of fuel-cell driven vehicles. Tungsten (W) possesses advantages of optimized hydrogen adsorption energy and...

(002) facets exposed and controllable thickness of CdS nanobelts drive desirable hydrogen-adsorption free energy (△GH) for boosting visible-light photocatalytic performance

2021 ◽  
Author(s):  
Dejian Yan ◽  
Zhiyong Xue ◽  
Feng Chen ◽  
Xia Liu ◽  
Zhenhua Yang ◽  
...  
Keyword(s):  
Free Energy ◽  
Visible Light ◽  
Environmental Pollution ◽  
Economically Disadvantaged ◽  
Photocatalytic Performance ◽  
Hydrogen Adsorption ◽  
Co Catalysts ◽  
Adsorption Free Energy ◽  
Cds Nanobelts ◽  
Visible Light Photocatalytic

In order to obtain the high photocatalytic performance, co-catalysts loading is the most commonly used, which is economically disadvantaged and environmental pollution. Here, we combine the strategy of controllable thickness...

Copper (0) Doping Makes Cobalt-Nickel Hydroxide a High-Efficiency Catalyst for Hydrogen Evolution Reaction

2018 ◽  
Vol 165 (13) ◽  
pp. H866-H871 ◽  
Author(s):  
Jingjing Bai ◽  
Qiangqiang Sun ◽  
Meng Zhou ◽  
Liyuan Wang ◽  
Yuqian Shen ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Nickel Hydroxide ◽  
High Efficiency ◽  
Cobalt Nickel

Fe-Co-P multi-heterostructure arrays for efficient electrocatalytic water splitting

2021 ◽  
Author(s):  
Hanwen Xu ◽  
Jiawei Zhu ◽  
Pengyan Wang ◽  
Ding Chen ◽  
Chengtian Zhang ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Rational Design ◽  
Large Scale ◽  
High Efficiency ◽  
Bifunctional Catalysts

Rational design and construction of high-efficiency bifunctional catalysts for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is crucial for large-scale hydrogen production by water splitting. Herein, by a...

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