Spent tea leaves templated synthesis of highly active and durable cobalt-based trifunctional versatile electrocatalysts for hydrogen and oxygen evolution and oxygen reduction reactions

2020 ◽  
Vol 22 (20) ◽  
pp. 6967-6980 ◽  
Author(s):  
Md Ariful Ahsan ◽  
Muhammad A. Imam ◽  
Alain R. Puente Santiago ◽  
Alejandro Rodriguez ◽  
Bonifacio Alvarado-Tenorio ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
High Performance ◽  
Rational Design ◽  
Green Energy ◽  
Templated Synthesis ◽  
Oxygen Reduction Reactions ◽  
Highly Active ◽  
Hydrogen Evolution Reactions ◽  
Conversion Technologies ◽  
Spent Tea Leaves

The rational design of high-performance trifunctional catalysts for oxygen reduction and oxygen and hydrogen evolution reactions is of vital importance for the implementation of green energy conversion technologies.

Tunable mesoporous manganese oxide for high performance oxygen reduction and evolution reactions

2016 ◽  
Vol 4 (2) ◽  
pp. 620-631 ◽  
Author(s):  
Islam M. Mosa ◽  
Sourav Biswas ◽  
Abdelhamid M. El-Sawy ◽  
Venkatesh Botu ◽  
Curtis Guild ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Manganese Oxide ◽  
Oxygen Reduction ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
High Performance ◽  
Reduction Reaction ◽  
Noble Metal Catalysts ◽  
Highly Active ◽  
State Of Art

Understanding the origin of manganese oxide activity for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is a key step towards rationally designing of highly active catalysts capable of competing with the widely used, state-of-art noble metal catalysts.

Edge-Segregated Ternary Pd-Pt-Ni Spiral Nanosheets as High-Performance Bifunctional Oxygen Redox Electrocatalysts for Rechargeable Zinc−Air Batteries

2022 ◽  
Author(s):  
Kai Liu ◽  
Hongpu Huang ◽  
Yuxin Zhu ◽  
Zixi Lyu ◽  
Shupeng Wang ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
High Performance ◽  
Rational Design ◽  
Bifunctional Electrocatalysts ◽  
Working Efficiency ◽  
Zinc Air Batteries

Rational design of high-perfomance bifunctional electrocatalysts to simultaneously accelerate the sluggish reversible oxygen reduction and evolution reactions (ORR and OER) is an enormous challenge that restricts the working efficiency and...

Highly Active Pd-CeO2-NR/C (Cerium Oxide Nanorods) Bifunctional Nanocatalysts with Remarkable Stability for the Ethanol Oxidation and Oxygen Reduction Reactions in Alkaline Media

2019 ◽  
Vol 92 (8) ◽  
pp. 671-678 ◽  
Author(s):  
P.C. Meléndez-González ◽  
Maria Esther Sánchez-Castro ◽  
Ivonne Liliana Alonso-Lemus ◽  
R. Pérez-Hernández ◽  
Beatriz Escobar-Morales ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Cerium Oxide ◽  
Ethanol Oxidation ◽  
Alkaline Media ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Highly Active ◽  
Oxide Nanorods

Cobalt and nitrogen co-doped porous carbon/carbon nanotube hybrids anchored with nickel nanoparticles as high-performance electrocatalysts for oxygen reduction reactions

Nanoscale ◽  
2020 ◽  
Vol 12 (24) ◽  
pp. 13028-13033 ◽  
Author(s):  
Yan Wu ◽  
Liya Ge ◽  
Andrei Veksha ◽  
Grzegorz Lisak
Keyword(s):  
Carbon Nanotube ◽  
Porous Carbon ◽  
High Performance ◽  
Nickel Nanoparticles ◽  
Metal Organic Frameworks ◽  
Cost Effective ◽  
Oxygen Reduction Reactions ◽  
Highly Active ◽  
Metal Organic ◽  
Co Doped

A highly active and cost-effective ORR catalyst was made from metal–organic frameworks and shows an excellent ORR performance, comparable to that of commercial Pt/C.

scholarly journals The influence of pore size distribution on the oxygen reduction reaction performance in nitrogen doped carbon microspheres

2016 ◽  
Vol 4 (7) ◽  
pp. 2581-2589 ◽  
Author(s):  
G. A. Ferrero ◽  
K. Preuss ◽  
A. B. Fuertes ◽  
M. Sevilla ◽  
M.-M. Titirici
Keyword(s):  
Oxygen Reduction Reaction ◽  
Pore Size Distribution ◽  
Oxygen Reduction ◽  
High Performance ◽  
Rational Design ◽  
Reduction Reaction ◽  
Carbon Microspheres ◽  
Nitrogen Doped ◽  
Reaction Performance ◽  
Nitrogen Doped Carbon

High-performance nitrogen-doped carbon electrocatalysts for the oxygen reduction reaction have been synthesized by the rational design of their pore structure.

Rational design of a highly mesoporous Fe–N–C/Fe3C/C–S–C nanohybrid with dense active sites for superb electrocatalysis of oxygen reduction

2020 ◽  
Vol 8 (44) ◽  
pp. 23436-23454
Author(s):  
Ahmed Al-Shahat Eissa ◽  
Nam Hoon Kim ◽  
Joong Hee Lee
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Active Sites ◽  
High Performance ◽  
Rational Design ◽  
Reduction Reaction ◽  
Single Step

A high-performance and sustainable electrocatalyst for the oxygen reduction reaction is fabricated by a single-step doping/annealing strategy.

Highly active and stable Pt electrocatalysts promoted by antimony-doped SnO2 supports for oxygen reduction reactions

2014 ◽  
Vol 144 ◽  
pp. 112-120 ◽  
Author(s):  
Min Yin ◽  
Junyuan Xu ◽  
Qingfeng Li ◽  
Jens Oluf Jensen ◽  
Yunjie Huang ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Highly Active ◽  
Pt Electrocatalysts

scholarly journals Rational design of mesoporous NiFe-alloy-based hybrids for oxygen conversion electrocatalysis

2015 ◽  
Vol 3 (15) ◽  
pp. 7986-7993 ◽  
Author(s):  
Suqin Ci ◽  
Shun Mao ◽  
Yang Hou ◽  
Shumao Cui ◽  
Haejune Kim ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Oxygen Evolution ◽  
Rational Design ◽  
Mesoporous Structure ◽  
Electrically Conductive ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Nitrogen Doped ◽  
Nitrogen Doped Carbon ◽  
Oxygen Conversion

A simple and convenient strategy has been developed to prepare electrically conductive nitrogen-doped carbon modified mesoporous structure supported NiFe alloy nanocatalysts. The resulting electrocatalyst exhibits excellent electrocatalytic performance for both oxygen evolution reactions (OERs) and oxygen reduction reactions (ORRs).

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