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

и другие.

Molecules, Год журнала: 2024, Номер 29(23), С. 5721 - 5721

Опубликована: Дек. 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

Язык: 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

и другие.

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(45), С. 31253 - 31261

Опубликована: Янв. 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.

Язык: Английский

Процитировано

24
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

и другие.

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 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.

Язык: Английский

Процитировано

3
Advances in the Catalytic Mechanism of Metal Oxides for Lithium–Sulfur Batteries DOI Open Access
Min Yi,

Xiaohong Zou,

Qian Lü

и другие.

Small, Год журнала: 2025, Номер unknown

Опубликована: Фев. 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

Язык: Английский

Процитировано

1
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

и другие.

Journal of Materials Chemistry A, Год журнала: 2025, Номер unknown

Опубликована: Янв. 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).

Язык: Английский

Процитировано

0
Reactivated Fe Nanoparticles on Carbon Nanotube Macro Film for High-Efficiency Rechargeable Zinc-Air Batteries DOI

Bing Qian,

Ting Liu, Zejun Pu

и другие.

Carbon, Год журнала: 2025, Номер unknown, С. 120425 - 120425

Опубликована: Май 1, 2025

Язык: Английский

Процитировано

0
Advances and Challenges in Designing Efficient NiFe‐Based Oxygen Electrocatalysts for Rechargeable Zn–Air Batteries DOI Creative Commons

Xiaohong Zou,

Mingcong Tang, Qian Lü

и другие.

Advanced Energy Materials, Год журнала: 2025, Номер unknown

Опубликована: Май 24, 2025

Abstract Designing cost‐effective bifunctional electrocatalysts with high activity claims essential features for accelerating the practical application process of rechargeable Zn–air batteries. NiFe‐based catalytic materials are viable candidates electrocatalysts, benefiting from abundant reserves, low costs, adjustable electron structures, and activities. To accelerate industrialization in batteries, it is necessary to systematically explore their design strategies promoting This review first introduces working principle, reaction mechanism, challenges which aim understand cathodic catalyst criteria. Furthermore, categorization catalysts illustrated detail introduce strategy. Based on understanding, strategy catalysts, including anionic modification, cation doping, supporting effect, embedding multi‐component construction, summarized boost performance batteries sustained stability. Finally, some personal insights developing proposed. It believed that this can offer valuable guiding future research advancement

Язык: Английский

Процитировано

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

и другие.

Molecules, Год журнала: 2024, Номер 29(22), С. 5429 - 5429

Опубликована: Ноя. 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

Язык: Английский

Процитировано

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

и другие.

Molecules, Год журнала: 2024, Номер 29(23), С. 5721 - 5721

Опубликована: Дек. 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

Язык: Английский

Процитировано

1