Optimizing the Ratio of Metallic and Single-Atom Co in CoNC via Annealing Temperature Modulation for Enhanced Bifunctional Oxygen Evolution Reaction/Oxygen Reduction Reaction Activity DOI Creative Commons

H. Y. Cheng,

Haojie Sun,

Meizhen Dai

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(23), P. 5721 - 5721

Published: Dec. 4, 2024

Developing low-cost, efficient alternatives to catalysts for bifunctional oxygen electrode catalysis in the reduction reaction (ORR) and evolution (OER) is critical advancing practical applications of alkaline fuel cells. In this study, Co particles single atoms co-loaded on nitrogen-doped carbon (CoNC) were synthesized via pyrolysis a C

Language: Английский

Carbon quantum dot-mediated binary metal–organic framework nanosheets for efficient oxygen evolution at ampere-level current densities in proton exchange membrane electrolyzers DOI

Qianjia Ni,

Shi‐Yuan Zhang, Kang Wang

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(45), P. 31253 - 31261

Published: Jan. 1, 2024

The widespread utilization of noble metal-based catalysts for the oxygen evolution reaction (OER) is hindered by their rarity and substantial expense, posing significant challenges large-scale applications.

Language: Английский

Citations

21
Advances in the Catalytic Mechanism of Metal Oxides for Lithium–Sulfur Batteries DOI Open Access
Min Yi,

Xiaohong Zou,

Qian Lü

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 14, 2025

Abstract Lithium–sulfur (Li–S) batteries are one of the promising next‐generation energy storage/conversion devices, considering their high density and low cost. However, shuttle polysulfides hinders practical application Li–S batteries, which leads to reduced cycling stability. Although chemical adsorption strategies have made significant progress in improving stability poor catalytic conversion ability polysulfide host results an imbalance between conversion. Recent studies revealed that metal oxides with adjustable electronic structures exhibit good as hosts. there is currently no systematic review mechanism batteries. Herein, working principle primary challenge first introduced, followed by a categorization catalyst design strategies. Furthermore, comprehensive recent advancements understanding reaction oxide catalysts also provided. Finally, personal perspectives on future development enhanced catalysis offered. It hoped this can provide valuable insights into role accelerating for

Language: Английский

Citations

0
Regulating coordination environment of Co single-atom through Ni/Co sulphides synergistic heterointerfaces towards efficient bifunctional oxygen electrocatalysts DOI

Zhida Wang,

Shijiu Ding,

Chongyang Yang

et al.

Journal of Materials Chemistry A, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Achieving synergistic catalysis between different components and maintaining a high catalytic activity is an effective way to enhance the efficiencies of oxygen reduction reaction (ORR) evolution (OER).

Language: Английский

Citations

0
Advances and Challenges in Perovskite Oxide Design for High‐Performance Zinc–Air Batteries: Integrating Experimental Strategies and Machine Learning DOI Open Access
H J Geng,

Xiaohong Zou,

Min Yi

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 11, 2025

Abstract Rechargeable zinc–air batteries (ZABs) have emerged as highly promising energy storage systems due to their exceptional theoretical density, high power cost‐effectiveness, and environmental safety. The current focus of ZAB research is on developing high‐performance bifunctional oxygen electrocatalysts. Among these, perovskite oxide, a transition metal oxide with tunable electronic structures intrinsic catalytic activity, has gained significant attention for its application in ZABs. Recently, advancements introduced various strategies enhance the activity stability oxides. In this review, design oxides from both experimental perspectives systematically examined. strategy electrocatalysts first summarized, including composition strategy, morphology regulation, heteroatom doping, vacancy. Furthermore, latest advances machine learning screening special properties storage/conversion devices, especially ZABs, are presented. Finally, insights into future development ZABs offered, aiming provide comprehensive guideline precise metal–air batteries.

Language: Английский

Citations

0
FeNi-Based Aerogels Containing FeNi3 Nanoclusters Embedded with a Crystalline–Amorphous Heterojunction as High-Efficiency Oxygen Evolution Catalysts DOI Creative Commons
Tao Li, Jiahui Chen, Zihao Song

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(22), P. 5429 - 5429

Published: Nov. 18, 2024

In green hydrogen production via water electrolysis, catalysts with multiscale nanostructures synthesized by compositing micro-heterojunctions and nanoporous structures exhibit excellent electrocatalytic oxygen evolution reaction (OER) performance. Moreover, they are the most promising non-noble metal catalysts. Herein, FeNi-based aerogels a three-dimensional structure amorphous matrix embedded FeNi

Language: Английский

Citations

2
Optimizing the Ratio of Metallic and Single-Atom Co in CoNC via Annealing Temperature Modulation for Enhanced Bifunctional Oxygen Evolution Reaction/Oxygen Reduction Reaction Activity DOI Creative Commons

H. Y. Cheng,

Haojie Sun,

Meizhen Dai

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(23), P. 5721 - 5721

Published: Dec. 4, 2024

Developing low-cost, efficient alternatives to catalysts for bifunctional oxygen electrode catalysis in the reduction reaction (ORR) and evolution (OER) is critical advancing practical applications of alkaline fuel cells. In this study, Co particles single atoms co-loaded on nitrogen-doped carbon (CoNC) were synthesized via pyrolysis a C

Language: Английский

Citations

1