Boosting the Performance and Durability of Fe–N–C Fuel Cell Catalysts via Integrating Mo2C Clusters DOI Open Access
Liming Guo, Xin Wan, Xiaofang Liu

et al.

Small Methods, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 18, 2024

Carbon-supported nitrogen-coordinated iron single-atom (Fe-N-C) catalysts have been regarded among the most promising platinum-group-metal-free for oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs). Nevertheless, their limited intrinsic activity and unsatisfactory stability hindered practical applications. Here, it is reported that integration of Mo

Language: Английский

Alloy-type Mo single-atom catalyst enhancing hydrogen storage performance of MgH2 DOI

Cenyu Yang,

Chen Hu, Xiaoyu Wu

et al.

Journal of Energy Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 1, 2025

Language: Английский

Citations

5
Ultrasonic-assisted strategy to enhance electrocatalytic performance of CoNi N-doped carbon catalyst in alkaline oxygen reduction reaction and zinc-air batteries DOI
Qiming Sun, Zhe Yang, Xinyan Liu

et al.

Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: unknown, P. 105443 - 105443

Published: Nov. 1, 2024

Language: Английский

Citations

5
Highly dispersed ternary metal FeZnCe with nitrogen/oxygen co-doped carbon materials for efficient oxygen electroreduction DOI

Fuxian Zheng,

Yajie Guo,

Ting Wang

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 155487 - 155487

Published: Sept. 1, 2024

Language: Английский

Citations

4
Metal-organic framework derived Co@N/C with enhanced oxygen reduction reaction in direct borohydride fuel cells DOI
Lianke Zhang, Lei Zhang, Dandan Li

et al.

Chemical Engineering Science, Journal Year: 2024, Volume and Issue: unknown, P. 120953 - 120953

Published: Nov. 1, 2024

Language: Английский

Citations

4
Functional additives for proton exchange membrane fuel cells DOI
Weihao Liu, Dandan Liu, Xin Wan

et al.

EnergyChem, Journal Year: 2025, Volume and Issue: unknown, P. 100144 - 100144

Published: Jan. 1, 2025

Language: Английский

Citations

0
Derived S/N/Co co-doped porous carbon as superior oxygen reduction reaction catalysts DOI

Zeyang Peng,

Dong Chen,

Jinquan Nie

et al.

Diamond and Related Materials, Journal Year: 2025, Volume and Issue: unknown, P. 112058 - 112058

Published: Jan. 1, 2025

Language: Английский

Citations

0
Harnessing Synergistic Cooperation of Neighboring Active Motifs in Heterogeneous Catalysts for Enhanced Catalytic Performance DOI Creative Commons
Peng Yuan,

Ching Kit Tommy Wun,

Tsz Woon Benedict Lo

et al.

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

Published: May 12, 2025

Abstract Understanding the intricate interplay between catalytically active motifs in heterogeneous catalysts has long posed a significant challenge design of highly and selective reactions. Drawing inspiration from biological enzymes homogeneous catalysts, synergistic cooperation neighboring emerged as crucial factor achieving effective catalysis. This control is often observed natural systems through ligand coordination. The interaction especially vital reactions involving tandem or cascade steps, where distinct provide different functionalities to enable co‐activation reaction substrate(s). Situated within 3D spatial domain, these can shape favorable catalytic landscapes by modulating electronic geometric characteristics, thereby stabilizing specific intermediate transition state species reaction. In this review, we aim explore diverse array latest that capitalize on cooperativity motifs. We will delve into how such interactions be utilized engineer more landscapes, ultimately resulting modulation reactivities.

Language: Английский

Citations

0
Tailoring Oxygen Reduction Reaction on M–N–C Catalysts via Axial Coordination Engineering DOI
Dandan Liu, Xin Wan, Jianglan Shui

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 23, 2024

Abstract The development of fuel cells and metal‐air batteries is an important link in realizing a sustainable energy supply green environment for the future. Oxygen reduction reaction (ORR) core such conversion devices. M–N–C catalysts exhibit encouraging ORR catalytic activity are most promising candidates replacing Pt/C. electrocatalytic performance intimately related to specific metal species coordination central atom. Axial engineering presents avenue highly active has seen considerable progress over past decade. Nevertheless, accurate control electronic structure at atomic scale poses big challenge. Herein, diverse axial ligands, characterization techniques, modulation mechanisms encompassed discussed. Furthermore, some pressing matters be solved challenges that deserve explored investigated future proposed.

Language: Английский

Citations

3
Boosting the Oxygen Reduction Performance of Fe–N–C Catalyst Using Zeolite as an Oxygen Reservoir DOI Creative Commons
Weihao Liu, Qingtao Liu, Xin Wan

et al.

Transactions of Tianjin University, Journal Year: 2024, Volume and Issue: 30(5), P. 428 - 435

Published: Aug. 8, 2024

Abstract Non-precious metal electrocatalysts (such as Fe–N–C materials) for the oxygen (O 2 ) reduction reaction demand a high catalyst loading in fuel cell devices to achieve workable performance. However, extremely low solubility of O water creates severe mass transport resistance thick layer catalysts. Here, we introduce silicalite-1 nanocrystals with hydrophobic cavities sustainable reservoirs overcome issue The extra supply adjacent catalysts significantly alleviated negative effects resistance. hybrid (Fe–N–C@silicalite-1) achieved higher limiting current density than half-cell test. In H –O and –air proton exchange membrane cells, Fe–N–C@silicalite-1 exhibited 16.3% 20.2% increase peak power compared Fe–N–C, respectively. -concentrating additive provides an effective approach improving imposed by water.

Language: Английский

Citations

2
Recent Developments of Metal-N-C Catalysts Toward Oxygen Reduction Reaction for Anion Exchange Membrane Fuel Cell: A Review DOI Open Access
Jong Gyeong Kim,

Youngin Cho,

Chanho Pak

et al.

Journal of Electrochemical Science and Technology, Journal Year: 2024, Volume and Issue: 15(2), P. 207 - 219

Published: March 14, 2024

<p>Metal-N-C (MNC) catalysts have been anticipated as promising candidates for oxygen reduction reaction (ORR) to achieve low-cost polymer electrolyte membrane fuel cells. The structure of the M-N<sub>x</sub> moiety enabled a high catalytic activity that was not observed in previously reported transition metal nanoparticle-based catalysts. Despite progress non-precious catalysts, low density active sites MNCs, which resulted lower single-cell performance than Pt/C, needs be resolved practical application. This review focused on recent studies and methodologies aimed overcome these limitations develop an inexpensive catalyst with excellent durability alkaline environment. It included possibility metals materials ORR starting from Co phthalocyanine development (e.g., metal-coordinated N-containing polymers, metal-organic frameworks) form sites, moieties. Thereafter, motivation, procedures, latest research design morphology improved mass transport ability site engineering allowed promoted kinetics were discussed.</p>

Language: Английский

Citations

1