Janus CoN/Co cocatalyst in porous N-doped carbon: toward enhanced catalytic activity for hydrogen evolution

2018 ◽  
Vol 8 (14) ◽  
pp. 3695-3703 ◽  
Author(s):  
Meihong Fan ◽  
Yuenan Zheng ◽  
Ang Li ◽  
Kaiqian Li ◽  
Hanyu Liu ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Transition Metal ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Noble Metal ◽  
Metal Catalysts ◽  
Noble Metal Catalysts ◽  
Earth Abundant

Using earth abundant transition metal-based compounds to replace noble metal catalysts towards hydrogen evolution from water splitting seems to have great importance worldwide.

Confinement of Pt NPs by Hollow-Porous-Carbon-Sphere via Pore Regulation with Promoted Activity and Durability in Hydrogen Evolution Reaction

Nanoscale ◽  
2021 ◽  
Author(s):  
Zhuofan Gan ◽  
Chengyong Shu ◽  
Chengwei Deng ◽  
Wei Du ◽  
Bo HUANG ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Noble Metal ◽  
Hydrogen Evolution Reaction ◽  
Porous Carbon ◽  
Specific Activity ◽  
Carbon Sphere ◽  
Hydrogen Energy ◽  
Noble Metal Catalysts ◽  
Electrochemical Water Splitting

Electrochemical water splitting is promising method to generate pollution-free and sustainable hydrogen energy. However, the specific activity and durability of noble metal catalysts is the main hindrance to hydrogen evolution...

Stable and selective electrosynthesis of hydrogen peroxide and the electro-Fenton process on CoSe2 polymorph catalysts

2020 ◽  
Vol 13 (11) ◽  
pp. 4189-4203 ◽  
Author(s):  
Hongyuan Sheng ◽  
Aurora N. Janes ◽  
R. Dominic Ross ◽  
Dave Kaiman ◽  
Jinzhen Huang ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Noble Metal ◽  
Acidic Solution ◽  
Organic Pollutant ◽  
Metal Catalysts ◽  
Fenton Process ◽  
Noble Metal Catalysts ◽  
Electrosynthesis Of Hydrogen Peroxide ◽  
Earth Abundant

Earth-abundant CoSe2 outperforms noble metal catalysts for the selective 2e− ORR in acidic solution, enabling the stable bulk electrosynthesis of practically useful 547 ppm H2O2 and the effective electro-Fenton degradation of an organic pollutant.

Hollow Ag/carbon microporous spheres with high catalytic activity based on a bio-inspiration polydopamine reaction platform

RSC Advances ◽  
2015 ◽  
Vol 5 (110) ◽  
pp. 91056-91061 ◽  
Author(s):  
Qian Zhang ◽  
Chen Zhou ◽  
Aisheng Huang
Keyword(s):  
Catalytic Activity ◽  
Noble Metal ◽  
Metal Catalysts ◽  
Catalytic Reactions ◽  
High Catalytic Activity ◽  
Noble Metal Catalysts

Based on polydopamine reaction platform, hollow Ag/carbon microporous spheres with high catalytic activity were prepared through a template-assisted method, which is promising to replace other noble metal catalysts in metal catalytic reactions.

scholarly journals Efficient Photoelectrochemical Water Splitting Reaction Using Electrodeposited Co3Se4 Catalys

2018 ◽  
Author(s):  
Yelyn Sim ◽  
Jude John ◽  
Subramani Surendran ◽  
Byeolee Moon ◽  
Uk Sim
Keyword(s):  
Catalytic Activity ◽  
Water Splitting ◽  
Noble Metal ◽  
Effective Area ◽  
Research Area ◽  
Photoelectrochemical Water Splitting ◽  
Photoelectrochemical Activity ◽  
One Pot ◽  
Noble Metal Catalysts ◽  
Highly Efficient

Photoelectrochemical water splitting is a promising field for sustainable energy production using hydrogen. Development of efficient catalysts is essential for resourceful hydrogen production. The most efficient catalysts reported to date have been extremely precious rare-earth metals. One of the biggest hurdles in this research area is the difficulty of developing highly efficient catalysts comparable to the noble metal catalysts. Here, we report that non-noble metal dichalcogenide (Co3Se4) catalysts made using a facile one-pot electrodeposition method, showed highly efficient photoelectrochemical activity on a Si photocathode. To enhance light collection and enlarge its surface area even further, we implemented surface nano-structuring on the Si surface. The nano-structured Si photoelectrode has an effective area greater than that of planar silicon and a wider absorption spectrum. Consequently, this approach exhibits reduced overvoltage as well as increased photo-catalytic activity. Such results show the importance of controlling the optimized interface between the surface structure of the photoelectrode and the electrodeposited co-catalyst on it to improve catalytic activity. This should enable other electrochemical reactions in a variety of energy conversion systems.

Reduced overpotentials for electrocatalytic water splitting over Fe- and Ni-modified BaTiO3

2016 ◽  
Vol 18 (42) ◽  
pp. 29561-29570 ◽  
Author(s):  
Nongnuch Artrith ◽  
Wutthigrai Sailuam ◽  
Sukit Limpijumnong ◽  
Alexie M. Kolpak
Keyword(s):  
Catalytic Activity ◽  
Transition Metal ◽  
Water Splitting ◽  
Water Oxidation ◽  
Water Electrolysis ◽  
Transition Metal Doping ◽  
Metal Doping ◽  
Earth Abundant ◽  
Promising Avenue

Transition-metal doping can significantly improve the catalytic activity of BaTiO3 for water oxidation. Modification of earth-abundant perovskites can be a promising avenue towards inexpensive catalysts for water electrolysis.

Synergistic core–shell interactions enable ultra-low overpotentials for enhanced CO2 electro-reduction activity

2018 ◽  
Vol 6 (42) ◽  
pp. 21120-21130 ◽  
Author(s):  
Rafia Ahmad ◽  
Abhishek Kumar Singh
Keyword(s):  
Catalytic Activity ◽  
Noble Metal ◽  
Metal Catalysts ◽  
Core Shell ◽  
Component System ◽  
Noble Metal Catalysts ◽  
Reduction Activity ◽  
Multi Component System

Optimizing the catalytic activity of a multi-component system to achieve ultra-low overpotentials for CO2 electro-reduction on non-noble metal catalysts.

Simple and Scalable Mechanochemical Synthesis of Noble Metal Catalysts with Single Atoms toward Highly Efficient Hydrogen Evolution

2020 ◽  
Vol 30 (25) ◽  
pp. 2000531 ◽  
Author(s):  
Haiyan Jin ◽  
Siraj Sultan ◽  
Miran Ha ◽  
Jitendra N. Tiwari ◽  
Min Gyu Kim ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Noble Metal ◽  
Mechanochemical Synthesis ◽  
Metal Catalysts ◽  
Noble Metal Catalysts ◽  
Single Atoms ◽  
Highly Efficient

A general approach to the synthesis of transition metal phosphide nanoarrays on MXene nanosheets for pH-universal hydrogen evolution and alkaline overall water splitting

2020 ◽  
Vol 8 (28) ◽  
pp. 14234-14242 ◽  
Author(s):  
Liang Yan ◽  
Bing Zhang ◽  
Shangyou Wu ◽  
Jianlin Yu
Keyword(s):  
Transition Metal ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Noble Metal ◽  
Metal Phosphide ◽  
Highly Efficient ◽  
Overall Water Splitting ◽  
Bifunctional Electrocatalysts ◽  
Transition Metal Phosphide

Exploring highly efficient, stable, and non-noble-metal bifunctional electrocatalysts for overall water splitting is greatly desired but still remains an ongoing challenge.

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