La0.95FeO3-δ/C复合电极制备工艺对氧还原和氧析出催化性能的影响

O643.36%P578.4; 为优化具有A位镧缺失的铁酸镧(La0.95FeO3-δ)钙钛矿的氧还原反应(ORR)和氧析出反应(OER)双功能电催化性能,研究La0.95FeO3-δ/C复合电极中碳的形态、电极浆料制备方法和催化剂载量对双功能电催化性能的影响,并分析其影响机理.结果 表明:当La0.95FeO3-δ与导电碳形成复合电极时,ORR和OER催化活性显著提高;La0.95FeO3-δ/C复合电极的电催化性能与碳的形态以及电极浆料制备方法密切相关,在超声分散-球磨-超声分散的最佳浆料制备方法下,当以EC600JD为导电碳,La0.95FeO3-δ与EC600JD的载量分别为0.6 m...

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Published in上海交通大学学报 Vol. 55; no. 9; pp. 1049 - 1057
Main Authors 胡桓铭, 杨帆, 章俊良
Format Journal Article
LanguageChinese
Published 上海交通大学中英国际低碳学院,上海200240%上海交通大学机械与动力工程学院,上海200240 01.09.2021
Subjects
LaFeO3钙钛矿;氧还原反应;氧析出反应;双功能催化剂;电催化
Online AccessGet full text
ISSN1006-2467
DOI10.16183/j.cnki.jsjtu.2021.009

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Abstract O643.36%P578.4; 为优化具有A位镧缺失的铁酸镧(La0.95FeO3-δ)钙钛矿的氧还原反应(ORR)和氧析出反应(OER)双功能电催化性能,研究La0.95FeO3-δ/C复合电极中碳的形态、电极浆料制备方法和催化剂载量对双功能电催化性能的影响,并分析其影响机理.结果 表明:当La0.95FeO3-δ与导电碳形成复合电极时,ORR和OER催化活性显著提高;La0.95FeO3-δ/C复合电极的电催化性能与碳的形态以及电极浆料制备方法密切相关,在超声分散-球磨-超声分散的最佳浆料制备方法下,当以EC600JD为导电碳,La0.95FeO3-δ与EC600JD的载量分别为0.6 mg/cm2与0.12mg/cm2时,ORR和OER催化活性最佳.经过工艺优化的La0.95FeO3-δ/C复合电极具有优异的双功能电催化性能,且其制备简单、成本低,有望在锂氧电池等器件中得到应用.
AbstractList O643.36%P578.4; 为优化具有A位镧缺失的铁酸镧(La0.95FeO3-δ)钙钛矿的氧还原反应(ORR)和氧析出反应(OER)双功能电催化性能,研究La0.95FeO3-δ/C复合电极中碳的形态、电极浆料制备方法和催化剂载量对双功能电催化性能的影响,并分析其影响机理.结果 表明:当La0.95FeO3-δ与导电碳形成复合电极时,ORR和OER催化活性显著提高;La0.95FeO3-δ/C复合电极的电催化性能与碳的形态以及电极浆料制备方法密切相关,在超声分散-球磨-超声分散的最佳浆料制备方法下,当以EC600JD为导电碳,La0.95FeO3-δ与EC600JD的载量分别为0.6 mg/cm2与0.12mg/cm2时,ORR和OER催化活性最佳.经过工艺优化的La0.95FeO3-δ/C复合电极具有优异的双功能电催化性能,且其制备简单、成本低,有望在锂氧电池等器件中得到应用.
Author 杨帆
章俊良
胡桓铭
AuthorAffiliation 上海交通大学中英国际低碳学院,上海200240%上海交通大学机械与动力工程学院,上海200240
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ZHANG Junliang
YANG Fan
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Keywords LaFeO3钙钛矿;氧还原反应;氧析出反应;双功能催化剂;电催化
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Snippet O643.36%P578.4; 为优化具有A位镧缺失的铁酸镧(La0.95FeO3-δ)钙钛矿的氧还原反应(ORR)和氧析出反应(OER)双功能电催化性能,研究La0.95FeO3-δ/C复合电极中碳的形态、电极浆料制备方法和催化剂载量对双功能电催化性能的影响,并分析其影响机理.结果...
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StartPage 1049
Title La0.95FeO3-δ/C复合电极制备工艺对氧还原和氧析出催化性能的影响
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