A rapid induction-combustion approach for Mn doping to Induce electrocatalytic performance of CoFe2O4 for water splitting

IF 8.1 2区工程技术 Q1 CHEMISTRY, PHYSICAL

International Journal of Hydrogen Energy Pub Date : 2025-04-18 DOI:10.1016/j.ijhydene.2025.04.205

Prathamesh Chougale , Akshata Pattanshetti , Mahesh Burud , Vijay Chavan , Tushar Kamble , Ajay Avatare , Ruhan Ustad , Zulfqar Ali Sheikh , Honggyun Kim , Avinash Ramteke , Sandip Sabale , Deok-kee Kim

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Abstract

Replacement of the current noble metal-based electrocatalysts requires designing low-cost and potential electrocatalyst with high-performance. The present work reports the novel induction-driven combustion synthesis method for Mn doped CoFe₂O₄ (MCF) nanoparticles (Nps) using sugarcane juice as a green source of fuel. The as-synthesized MCFs were employed as a bifunctional electrocatalyst for water splitting. The effect of varying concentrations of Mn in MCF on its electrochemical performance was examined and discussed. The optimal sample MCF0.5 electrocatalyst exhibited remarkable electrochemical activity towards the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), with overpotentials of 270 mV and −177 mV, respectively at 10 mA/cm². Furthermore, MCF0.5 electrocatalyst also demonstrated an impressive electrolysis cell voltage of 1.60 V at 10 mA/cm² with remarkable long-term stability. The research proposed here offers a novel (induction driven), fast (20 min), green (sugarcane juice) and scalable (yield) approach for synthesizing mixed ferrite Nps with less than 10 nm size and high surface area as an efficient alternative to noble-metal based electrocatalyst for water splitting.

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锰掺杂快速诱导燃烧法诱导CoFe2O4电催化水解性能

取代现有贵金属基电催化剂需要设计低成本、高性能的潜在电催化剂。本文报道了以甘蔗汁为绿色燃料，诱导燃烧合成Mn掺杂CoFe2O4 （MCF）纳米颗粒（Nps）的新方法。合成的mcf作为双功能电催化剂用于水裂解。考察和讨论了MCF中不同Mn浓度对其电化学性能的影响。最佳样品MCF0.5电催化剂对析氧反应（OER）和析氢反应（HER）表现出显著的电化学活性，在10 mA/cm2下过电位分别为270 mV和- 177 mV。此外，MCF0.5电催化剂还显示出令人印象深刻的电解电池电压为1.60 V，电压为10 mA/cm2，具有显著的长期稳定性。本文提出的研究提供了一种新颖（感应驱动）、快速（20分钟）、绿色（甘蔗汁）和可扩展（产量）的方法来合成尺寸小于10纳米、高表面积的混合铁氧体Nps，作为一种高效的替代贵金属基电催化剂用于水分解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Hydrogen Energy 工程技术-环境科学

CiteScore

13.50

自引率

25.00%

发文量

3502

审稿时长

60 days

期刊介绍： The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.