Cobalt-Embedded Nitrogen Doped Carbon Nanotubes: A Bifunctional Catalyst for Oxygen Electrode Reactions in a Wide pH Range

2015 ◽  
Vol 7 (7) ◽  
pp. 4048-4055 ◽  
Author(s):  
Zilong Wang ◽  
Shuang Xiao ◽  
Zonglong Zhu ◽  
Xia Long ◽  
Xiaoli Zheng ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Bifunctional Catalyst ◽  
Oxygen Electrode ◽  
Nitrogen Doped ◽  
Electrode Reactions ◽  
Wide Ph Range ◽  
Ph Range ◽  
Nitrogen Doped Carbon

Transition metals (Fe, Co, and Ni) encapsulated in nitrogen-doped carbon nanotubes as bi-functional catalysts for oxygen electrode reactions

2016 ◽  
Vol 4 (5) ◽  
pp. 1694-1701 ◽  
Author(s):  
Yanyan Liu ◽  
Hongliang Jiang ◽  
Yihua Zhu ◽  
Xiaoling Yang ◽  
Chunzhong Li
Keyword(s):  
Carbon Nanotubes ◽  
Catalytic Activity ◽  
Carbon Nanotube ◽  
Transition Metal ◽  
Oxygen Electrode ◽  
Transition Metal Nanoparticles ◽  
Nitrogen Doped ◽  
Catalytic Activities ◽  
Electrode Reactions ◽  
Nitrogen Doped Carbon

Transition metal nanoparticles (Fe, Co, and Ni) encapsulated in N-doped carbon nanotube hybrids were prepared, and the catalytic activities of three catalysts are compared and discussed. The optimized Co/N-CNT catalyst exhibits superb bifunctional catalytic activity with a ΔEvalue of 0.78 V.

Low-ruthenium-content NiRu nanoalloys encapsulated in nitrogen-doped carbon as highly efficient and pH-universal electrocatalysts for the hydrogen evolution reaction

2018 ◽  
Vol 6 (4) ◽  
pp. 1376-1381 ◽  
Author(s):  
You Xu ◽  
Shuli Yin ◽  
Chunjie Li ◽  
Kai Deng ◽  
Hairong Xue ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Efficient Catalyst ◽  
Nitrogen Doped ◽  
Highly Efficient ◽  
Wide Ph Range ◽  
Ph Range ◽  
Nitrogen Doped Carbon

A NiRu@N–C hybrid is fabricated and tested as an efficient catalyst for the hydrogen evolution reaction in a wide pH range.

In situ encapsulation of Co-based nanoparticles into nitrogen-doped carbon nanotubes-modified reduced graphene oxide as an air cathode for high-performance Zn–air batteries

Nanoscale ◽  
2019 ◽  
Vol 11 (45) ◽  
pp. 21943-21952 ◽  
Author(s):  
Haocheng Qi ◽  
Yingying Feng ◽  
Zhenzhen Chi ◽  
Yuanyuan Cui ◽  
Minghui Wang ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Graphene Oxide ◽  
Electrochemical Performance ◽  
High Performance ◽  
Bifunctional Catalyst ◽  
Air Cathode ◽  
Nitrogen Doped ◽  
Reduced Graphene ◽  
Nitrogen Doped Carbon

Co/Co4N@N-CNTs/rGO is designed and used as a bifunctional catalyst for bulk and flexible Zn–air batteries which display good electrochemical performance.

Tailoring the Co4+/Co3+ active sites in single perovskite as a bifunctional catalyst for oxygen electrode reactions "

2021 ◽  
Author(s):  
Song-Jeng Isaac Huang ◽  
Adil Muneeb ◽  
Sabhapathy Palani ◽  
Anjaiah Sheelam ◽  
Bayikadi Khasimsaheb ◽  
...  
Keyword(s):  
Oxygen Evolution Reaction ◽  
Precious Metal ◽  
Active Sites ◽  
Low Cost ◽  
Bifunctional Catalyst ◽  
Oxygen Electrode ◽  
Reduction Reaction ◽  
New Class ◽  
Electrode Reactions ◽  
Energy Conversion Devices

Developing a non-precious metal electrocatalyst for oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is desirable for low-cost energy conversion devices. Herein, we designed and developed a new class...

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