Non‐Noble Metal Oxides and their Application as Bifunctional Catalyst in Reversible Fuel Cells and Rechargeable Air Batteries

Dresp S?ren; Strasser Peter

摘要

Abstract >We report on a comprehensive structural and electrocatalytic reactivity study of a diverse set of non‐noble monometallic and bimetallic Fe, Mn, Co, and Ni ‐based oxide bifunctional ORR and OER electrocatalysts. To assess their catalytic activity and suitability for bifunctional operation in a consistent manner, we introduce and apply a standardized successive electrochemical testing protocol. Correlations are established between bifunctional activity and structure, by which the materials are classified. The large set of tested catalyst materials in this study enabled us to unravel entire reactivity trends across material groups and to make conclusions as to their suitability for reversible operating oxygen electrode applications. Our analysis reveals both beneficial synergistic effects of MnFe and MnCo based catalysts towards the oxygen reduction reaction (ORR) as well as favorable trends of NiFe based materials towards the oxygen evolution reaction (OER). We visualize synoptic activity trends in so‐called “double overpotential” diagrams to elucidate easily the underlying activity trends. The highest bifunctional activity was found for a novel mixed spinel phase of Co and Mn and the highest OER performance was demonstrated for a mixed metal NiFe layered double hydroxide catalysts, from which practical guidance for the design of bifunctional fuel cell or metal‐air battery electrodes ensues. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> 我们报告了一种综合结构和电催化反应性研究，对多种非贵宾单金属和双金属Fe，Mn，Co和Ni基氧化物双功能Orr和oer电催化剂的研究。为了以一致的方式评估其催化活性和对双功能操作的适合性，我们介绍并应用标准化的连续电化学测试方案。在双功能和结构之间建立相关性，通过该结构进行分类。该研究中的大量测试催化剂材料使我们能够在材料组上解开整个反应性趋势，并结论它们适用于可逆操作氧电极应用的适用性。我们的分析揭示了MNFE和MNCO基催化剂朝向氧还原反应（ORR）的有益协同作用以及朝向氧气进化反应（OER）的NiFe基材料的有利趋势。我们可视化所谓的“双重过势”图中的概要活动趋势，以易于阐明潜在的活动趋势。发现最高的双官能活性对于CO和Mn的新颖混合尖晶石相，并且对混合金属NiFe层状双氢氧化物催化剂证明了最高的Oer性能，从中设计了双功能燃料电池或金属 - 空气电池电极的实际引导随之而来。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" > 著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-16041/'>《ChemCatChem 》</a> <b style="margin: 0 2px;">|</b><span>2018年第18期</span><b style="margin: 0 2px;">|</b> <span>共10页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Dresp S?ren&option=202" target="_blank" rel="nofollow">Dresp S?ren;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Strasser Peter&option=202" target="_blank" rel="nofollow">Strasser Peter;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Chemistry Chemical Engineering Division The Electrochemical Energy Catalysis and Materials Science LaboratoryTechnische Universit?t BerlinStra?e des 17.?Juni 124 10623 Berlin Germany;</p> <p>Department of Chemistry Chemical Engineering Division The Electrochemical Energy Catalysis and Materials Science LaboratoryTechnische Universit?t BerlinStra?e des 17.?Juni 124 10623 Berlin Germany;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li> <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span> <a href="https://www.zhangqiaokeyan.com/clc/1186.html" title="物理化学（理论化学）、化学物理学">物理化学（理论化学）、化学物理学 ;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Bifunctional Oxygen Catalyst&option=203" rel="nofollow">Bifunctional Oxygen Catalyst;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Non-Noble oxides&option=203" rel="nofollow">Non-Noble oxides;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Oxygen Evolution Reaction&option=203" rel="nofollow">Oxygen Evolution Reaction;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Oxygen Reduction Reaction&option=203" rel="nofollow">Oxygen Reduction Reaction;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Reversible Electrolyzer&option=203" rel="nofollow">Reversible Electrolyzer;</a> </p> <div class="translation"> 机译：双官能氧催化剂;非高贵氧化物;氧气进化反应;氧还原反应;可逆电解槽; 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