Strongly coupled ultrasmall-Fe7C3/N-doped porous carbon hybrids for highly efficient Zn–air batteries

2019 ◽  
Vol 55 (39) ◽  
pp. 5651-5654 ◽  
Author(s):  
Lulu Chen ◽  
Yelong Zhang ◽  
Xiangjian Liu ◽  
Ling Long ◽  
Siyu Wang ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
Reduction Reaction ◽  
Simple Method ◽  
Strongly Coupled ◽  
Highly Efficient ◽  
Zinc Air Batteries

This report presents a simple method to produce an ultrasmall-Fe7C3/N-doped porous carbon hybrid (u-Fe7C3@NC) as an excellent catalyst for oxygen reduction reaction and zinc–air batteries.

Subnanometer iron clusters confined in a porous carbon matrix for highly efficient zinc–air batteries

2020 ◽  
Vol 5 (2) ◽  
pp. 359-365 ◽  
Author(s):  
Xin Wu ◽  
Juncai Dong ◽  
Mei Qiu ◽  
Yang Li ◽  
Yongfan Zhang ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
Three Dimensional ◽  
Carbon Matrix ◽  
Reduction Reaction ◽  
Iron Clusters ◽  
Highly Efficient ◽  
Zinc Air Batteries

We describe a facile synthetic protocol to realize the decoration of Fe coordinates at the subnanometer scale into a three-dimensional porous carbon matrix, which great promotes the oxygen reduction reaction compared with isolated Fe atoms.

Controlled chelation between tannic acid and Fe precursors to obtain N, S co-doped carbon with high density Fe-single atom-nanoclusters for highly efficient oxygen reduction reaction in Zn–air batteries

2020 ◽  
Vol 8 (33) ◽  
pp. 17136-17149 ◽  
Author(s):  
Hong Li ◽  
Kai Du ◽  
Chensheng Xiang ◽  
Pengfei An ◽  
Xinxin Shu ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Tannic Acid ◽  
Porous Carbon ◽  
Reduction Reaction ◽  
High Density ◽  
Single Atom ◽  
Highly Efficient ◽  
Co Doped

Porous carbon with Fe-single-atom nanoclusters was obtained for the ORR by controlled chelation between tannic acid and Fe precursors.

Highly efficient electro-generation of H2O2 by a nitrogen porous carbon modified carbonaceous cathode during the oxygen reduction reaction

2020 ◽  
Vol 44 (37) ◽  
pp. 15942-15950
Author(s):  
Ling Tao ◽  
Yang Yang ◽  
Fangke Yu
Keyword(s):  
Carbon Nanotubes ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Modified Electrode ◽  
Carbon Fibers ◽  
Active Carbon ◽  
Porous Carbon ◽  
Reduction Reaction ◽  
Nitrogen Doped ◽  
Highly Efficient

In this work, active carbon fibers (ACFs) were modified with nitrogen-doped porous carbon (NPC) and carbon nanotubes (CNTs) to prepare a novel modified electrode as a cathode.

An N-doped porous carbon network with a multidirectional structure as a highly efficient metal-free catalyst for the oxygen reduction reaction

Nanoscale ◽  
2019 ◽  
Vol 11 (5) ◽  
pp. 2423-2433 ◽  
Author(s):  
Hyunsu Han ◽  
Yuseong Noh ◽  
Yoongon Kim ◽  
Won Suk Jung ◽  
Seongmin Park ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
Reduction Reaction ◽  
Cathode Catalysts ◽  
Metal Free ◽  
Highly Efficient ◽  
Carbon Network

A highly efficient multidirectional N-doped porous carbon network with plenty of graphitic N-species has been explored as cathode catalysts in fuel cells.

A “micropores & active species protection” strategy for the preparation of a high-performance Fe/S/N-composited porous carbon catalyst for efficient oxygen reduction reaction and zinc–air batteries

2021 ◽  
Vol 5 (20) ◽  
pp. 5184-5192
Author(s):  
Zuoxu Xiao ◽  
Chaoyi Yang ◽  
Shanshan Liu ◽  
Wei Yan ◽  
Fuling Wang ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
Electrocatalytic Activity ◽  
High Performance ◽  
Reduction Reaction ◽  
Active Species ◽  
Carbon Catalyst ◽  
Protection Strategy ◽  
Zinc Air Batteries

The Fe/S/N–C electrocatalyst developed from polythiophene protected poly-porphyrin displays an overall superior electrocatalytic activity for the ORR and zinc–air batteries.

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