醇盐自模板法构筑碳封装NiFeV基电催化剂用于析氧反应
发展绿色可持续的水电解制氢技术有利于实现"碳中和"战略目标,而开发高效稳定的析氧反应催化剂对水电解技术至关重要.本研究以NiFeV固态金属醇盐为前驱体,采用醇盐自模板法制备碳封装NiFeV基催化剂.研究结果表明,NiFeV基催化剂呈现出均匀的球状结构,用于电解水析氧反应电催化剂时仅需381 mV的过电位即可获得20 mA·cm-2 的电流密度.NiFeV基催化剂良好的催化活性和稳定性主要得益于均匀的球状结构,V对电子结构的优化调控以及封装碳层对金属颗粒的保护作用.此工作通过V掺杂和碳封装的策略,为提升析氧催化剂的电催化性能提供了有利借鉴....
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Published in | 电化学(中英文) Vol. 29; no. 11; pp. 10 - 18 |
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Main Authors | , , , |
Format | Journal Article |
Language | Chinese |
Published |
华中科技大学化学与化工学院,湖北 武汉 430074%河南师范大学材料科学与工程学院,河南 新乡 453007
2023
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Subjects | |
Online Access | Get full text |
ISSN | 1006-3471 |
DOI | 10.13208/j.electrochem.211103 |
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Abstract | 发展绿色可持续的水电解制氢技术有利于实现"碳中和"战略目标,而开发高效稳定的析氧反应催化剂对水电解技术至关重要.本研究以NiFeV固态金属醇盐为前驱体,采用醇盐自模板法制备碳封装NiFeV基催化剂.研究结果表明,NiFeV基催化剂呈现出均匀的球状结构,用于电解水析氧反应电催化剂时仅需381 mV的过电位即可获得20 mA·cm-2 的电流密度.NiFeV基催化剂良好的催化活性和稳定性主要得益于均匀的球状结构,V对电子结构的优化调控以及封装碳层对金属颗粒的保护作用.此工作通过V掺杂和碳封装的策略,为提升析氧催化剂的电催化性能提供了有利借鉴. |
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AbstractList | 发展绿色可持续的水电解制氢技术有利于实现"碳中和"战略目标,而开发高效稳定的析氧反应催化剂对水电解技术至关重要.本研究以NiFeV固态金属醇盐为前驱体,采用醇盐自模板法制备碳封装NiFeV基催化剂.研究结果表明,NiFeV基催化剂呈现出均匀的球状结构,用于电解水析氧反应电催化剂时仅需381 mV的过电位即可获得20 mA·cm-2 的电流密度.NiFeV基催化剂良好的催化活性和稳定性主要得益于均匀的球状结构,V对电子结构的优化调控以及封装碳层对金属颗粒的保护作用.此工作通过V掺杂和碳封装的策略,为提升析氧催化剂的电催化性能提供了有利借鉴. |
Author | 马恩辉 刘旭坡 王得丽 申涛 |
AuthorAffiliation | 华中科技大学化学与化工学院,湖北 武汉 430074%河南师范大学材料科学与工程学院,河南 新乡 453007 |
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Author_FL | Xu-Po Liu De-Li Wang En-Hui Ma Tao Shen |
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DocumentTitle_FL | Constructing Carbon-Encapsulated NiFeV-Based Electrocatalysts by Alkoxide-Based Self-Template Method for Oxygen Evolution Reaction |
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Keywords | 钒掺杂 高温裂解 析氧催化剂 V-doping 碳封装 Solid metal alkoxides 固态金属醇盐 Oxygen evolution catalyst High-temperature calcination Carbon encapsulation |
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Title | 醇盐自模板法构筑碳封装NiFeV基电催化剂用于析氧反应 |
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