Rh@Pt内凹立方体核壳催化剂的制备及其乙醇电氧化性能

doi:10.19894/j.issn.1000-0518.230109

摘要/Abstract

摘要：

贵金属Rh基催化剂可有效催化乙醇中C―C键断裂，有利于实现乙醇完全电氧化，但Rh催化剂对乙醇电氧化的催化活性较低。本文通过种子介导生长法制备了具有内凹立方体形貌的Rh@Pt/C核壳催化剂，考察了不同Pt壳层厚度的Rh@Pt/C核壳催化剂在碱性介质中对乙醇电氧化反应（EOR）的催化性能。其中Rh@Pt_0.25/C核壳催化剂对EOR的质量归一化电流最高为520 mA/mg，此时面积归一化电流也最高，为0.16 mA/cm²。研究表明，Rh@Pt/C核壳催化剂中Rh和Pt之间的表面应变效应和电子配体效应取决于Rh表面Pt壳层的厚度，Pt壳层厚度的改变，可调控催化剂中Rh和Pt的协同作用，从而减弱毒性中间体对催化剂表面的吸附，优化催化剂对EOR的性能。总体上，Rh表面Pt壳层为3层的Rh@Pt_0.25/C核壳催化剂表现出最优的EOR活性和稳定性，此时催化剂也兼具了较优的抗毒化能力。

关键词: Rh基催化剂, 核壳结构, 乙醇氧化反应, 电催化

Abstract: <graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F501.jpg"/><p>The synergistic effect between Rh and Pt can be regulated by precisely controlling the thickness of the Pt shell on Rh surface to improve the EOR performance.</p></sec></p> <p><strong>Key words: </strong> <a href="#" onClick="searchEnKeyword('http://yyhx.ciac.jl.cn','1','Rh-based catalyst')">Rh-based catalyst, </a> <a href="#" onClick="searchEnKeyword('http://yyhx.ciac.jl.cn','1','Core-shell structure')">Core-shell structure, </a> <a href="#" onClick="searchEnKeyword('http://yyhx.ciac.jl.cn','1','Ethanol oxidation reaction')">Ethanol oxidation reaction, </a> <a href="#" onClick="searchEnKeyword('http://yyhx.ciac.jl.cn','1','Electrocatalysis')">Electrocatalysis</a> </p> </form>  <form name="subjectSchemeForm" action="" method=post target=_blank> <input type="hidden" name="searchSQL" /> <input type="hidden" name="language" /> </form>  <p> <strong> 中图分类号: </strong> </p> <ul class="list-unstyled pacs"> <li> <p> <a href="#" onclick="subjectScheme('http://yyhx.ciac.jl.cn','O643.3','1');return false;" target="_blank"> O643.3 </a> </p> </li> </ul>  <div class="row hidden-xs hidden-sm"> <div class="col-xs-12 col-sm-2 col-md-2 col-lg-2 margin-bottom-10 text-center"> <div class="text-primary btn-menu"> <h4>引用本文</h4> </div> </div> <div class="col-xs-12 col-sm-10 col-md-10 col-lg-10 margin-bottom-10"> <div class="primary-border"> <p>刘嘉欣, 范家禾, 李曙辉, 马亮. Rh@Pt内凹立方体核壳催化剂的制备及其乙醇电氧化性能[J]. 应用化学, 2023, 40(8): 1195-1204. </p> <p>Jia-Xin LIU, Jia-He FAN, Shu-Hui LI, Liang MA. Synthesis of Rh@Pt/C Concave Cubic Core-Shell Catalyst and Its Ethanol Electro-Oxidation Performance[J]. Chinese Journal of Applied Chemistry, 2023, 40(8): 1195-1204.</p> </div> </div> </div> <div class="row hidden-xs hidden-sm"> <div class="col-xs-12 col-sm-2 col-md-2 col-lg-2 margin-bottom-10 text-center"> <div class="btn-menu bs-callout-warning"> <h4>使用本文</h4> </div> </div> <div class="col-xs-12 col-sm-10 col-md-10 col-lg-10 margin-bottom-10"> <div class="primary-border"> <p> <b> <form name=mail action="http://yyhx.ciac.jl.cn/CN/article/sendMail.jsp" method=post target=_blank> <div class="bshare-custom pull-left"> <div class="bsPromo bsPromo2"></div> <a title="分享到微信" class="bshare-weixin" href="javascript:void(0);"></a> <a title="分享到Facebook" class="bshare-facebook"></a> <a title="分享到Twitter" class="bshare-twitter"></a> <span class="BSHARE_COUNT bshare-share-count" style="float: none;">0</span> </div> <script type="text/javascript" charset="utf-8" src="https://static.bshare.cn/b/buttonLite.js#style=-1&uuid=&pophcol=2&lang=zh"></script><script type="text/javascript" charset="utf-8" src="https://static.bshare.cn/b/bshareC0.js"></script> / <a href="#" id="collectArticle" class="shouc"></a> <span id="collectCount"></span> / <a onclick="mail.submit()" href="javascript:void(null)" class="tuij">推荐</a> <input type="hidden" name="articleId" value='18180'> <form> </b> </p> <p><b>导出引用管理器</b> <span class="daochu"><a href="http://yyhx.ciac.jl.cn/CN/article/getTxtFile.do?fileType=EndNote&id=18180" id="ris_export">EndNote</a>|<a href="http://yyhx.ciac.jl.cn/CN/article/getTxtFile.do?fileType=Ris&id=18180">Ris</a>|<a id="bibtex_export" href="http://yyhx.ciac.jl.cn/CN/article/getTxtFile.do?fileType=BibTeX&id=18180">BibTeX</a></span> </p> <p><strong>链接本文:</strong> <a href="http://yyhx.ciac.jl.cn/CN/10.19894/j.issn.1000-0518.230109" class="txt_zhaiyao1">http://yyhx.ciac.jl.cn/CN/10.19894/j.issn.1000-0518.230109</a> </p> <p> <strong> </strong> <a href="http://yyhx.ciac.jl.cn/CN/Y2023/V40/I8/1195" class="txt_zhaiyao1"> http://yyhx.ciac.jl.cn/CN/Y2023/V40/I8/1195</a> </p> </div> </div> </div> </div> </div> </div> <div class="panel panel-default" > <div class="panel-heading" role="tab" id="tubiao" onClick="xianshi(this)"> <h4 class="panel-title"> <a id="figure" class="collapsed" href="javascript:;"> 图/表 <span class="badge badge-info">8</span> </a> </h4> </div> <div id="collapseTwo" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingTwo" style="display: none;"> <div class="panel-body">  <div class="row figureCon"> <div class="col-lg-3 col-md-4 col-sm-6" style ="width:100%;"> <div class="thumbnail" style="background:#f8f8f8; border: 1px #eee solid; margin-top:20px;border-radius:15px; padding: 10px;"> <div class="img_div"> <a class="figureClass" href="#figureClass3468" data-toggle="tooltip" data-placement="bottom" data-original-title="图1 （A）大范围下的Rh CNs的TEM图、（B）单个Rh CNs的TEM图及理论模型图和（C）HRTEM图"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F001.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"> </a> </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;"> <b>图1</b> （A）大范围下的Rh CNs的TEM图、（B）单个Rh CNs的TEM图及理论模型图和（C）HRTEM图 </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"> <b>Fig.1</b> （A） TEM images of Rh CNs in a wide range，（B） TEM images and theoretical model images of single Rh CNs and （C） HRTEM images of Rh CNs </div> <div style='display:none'> <div id='figureClass3468' style='padding:10px; background:#fff;text-align:center;' class="img_div"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F001.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"/> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;"><b>图1</b> （A）大范围下的Rh CNs的TEM图、（B）单个Rh CNs的TEM图及理论模型图和（C）HRTEM图</p> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"><b>Fig.1</b> （A） TEM images of Rh CNs in a wide range，（B） TEM images and theoretical model images of single Rh CNs and （C） HRTEM images of Rh CNs</p> </div> </div> </div> </div> <div class="col-lg-3 col-md-4 col-sm-6" style ="width:100%;"> <div class="thumbnail" style="background:#f8f8f8; border: 1px #eee solid; margin-top:20px;border-radius:15px; padding: 10px;"> <div class="img_div"> <a class="figureClass" href="#figureClass3469" data-toggle="tooltip" data-placement="bottom" data-original-title="图2 Rh@Pt0.25内凹立方体核壳纳米晶体（A）大范围下的TEM图；（B） HRTEM图；（C） Rh和Pt元素面扫图；（D）单个纳米晶体的Rh和Pt元素线扫图"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F002.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"> </a> </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;"> <b>图2</b> Rh@Pt0.25内凹立方体核壳纳米晶体（A）大范围下的TEM图；（B） HRTEM图；（C） Rh和Pt元素面扫图；（D）单个纳米晶体的Rh和Pt元素线扫图 </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"> <b>Fig.2</b> Rh@Pt0.25 concave cubic core-shell nanocrystals （A） TEM image in a wide range；（B） High-resolution TEM image；（C） TEM EDS mappings of Rh and Pt；（D） TEM EDS line scan of Rh and Pt </div> <div style='display:none'> <div id='figureClass3469' style='padding:10px; background:#fff;text-align:center;' class="img_div"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F002.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"/> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;"><b>图2</b> Rh@Pt0.25内凹立方体核壳纳米晶体（A）大范围下的TEM图；（B） HRTEM图；（C） Rh和Pt元素面扫图；（D）单个纳米晶体的Rh和Pt元素线扫图</p> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"><b>Fig.2</b> Rh@Pt0.25 concave cubic core-shell nanocrystals （A） TEM image in a wide range；（B） High-resolution TEM image；（C） TEM EDS mappings of Rh and Pt；（D） TEM EDS line scan of Rh and Pt</p> </div> </div> </div> </div> <div class="col-lg-3 col-md-4 col-sm-6" style ="width:100%;"> <div class="thumbnail" style="background:#f8f8f8; border: 1px #eee solid; margin-top:20px;border-radius:15px; padding: 10px;"> <div class="img_div"> <a class="figureClass" href="#figureClass3470" data-toggle="tooltip" data-placement="bottom" data-original-title="图3 （a） Rh CNs/C、（b） Rh@Pt0.2/C、（c） Rh@Pt0.25/C、（d） Rh@Pt0.33/C和（e） Rh@Pt0.5/C的XRD谱图"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F003.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"> </a> </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;"> <b>图3</b> （a） Rh CNs/C、（b） Rh@Pt0.2/C、（c） Rh@Pt0.25/C、（d） Rh@Pt0.33/C和（e） Rh@Pt0.5/C的XRD谱图 </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"> <b>Fig.3</b> XRD patterns of （a） Rh CNs/C，（b） Rh@Pt0.2/C，（c） Rh@Pt0.25/C，（d） Rh@Pt0.33/C and （e） Rh@Pt0.5/C </div> <div style='display:none'> <div id='figureClass3470' style='padding:10px; background:#fff;text-align:center;' class="img_div"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F003.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"/> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;"><b>图3</b> （a） Rh CNs/C、（b） Rh@Pt0.2/C、（c） Rh@Pt0.25/C、（d） Rh@Pt0.33/C和（e） Rh@Pt0.5/C的XRD谱图</p> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"><b>Fig.3</b> XRD patterns of （a） Rh CNs/C，（b） Rh@Pt0.2/C，（c） Rh@Pt0.25/C，（d） Rh@Pt0.33/C and （e） Rh@Pt0.5/C</p> </div> </div> </div> </div> <div class="col-lg-3 col-md-4 col-sm-6" style ="width:100%;"> <div class="thumbnail" style="background:#f8f8f8; border: 1px #eee solid; margin-top:20px;border-radius:15px; padding: 10px;"> <div class="img_div"> <a class="figureClass" href="#figureClass3471" data-toggle="tooltip" data-placement="bottom" data-original-title="图4 （A） Rh@Pt0.2/C、（B） Rh@Pt0.25/C、（C） Rh@Pt0.33/C和（D） Rh@Pt0.5/C的Rh3d的XPS"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F004.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"> </a> </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;"> <b>图4</b> （A） Rh@Pt0.2/C、（B） Rh@Pt0.25/C、（C） Rh@Pt0.33/C和（D） Rh@Pt0.5/C的Rh3d的XPS </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"> <b>Fig.4</b> Rh3d XPS of （A） Rh@Pt0.2/C，（B） Rh@Pt0.25/C，（C） Rh@Pt0.33/C and （D） Rh@Pt0.5/C </div> <div style='display:none'> <div id='figureClass3471' style='padding:10px; background:#fff;text-align:center;' class="img_div"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F004.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"/> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;"><b>图4</b> （A） Rh@Pt0.2/C、（B） Rh@Pt0.25/C、（C） Rh@Pt0.33/C和（D） Rh@Pt0.5/C的Rh3d的XPS</p> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"><b>Fig.4</b> Rh3d XPS of （A） Rh@Pt0.2/C，（B） Rh@Pt0.25/C，（C） Rh@Pt0.33/C and （D） Rh@Pt0.5/C</p> </div> </div> </div> </div> <div class="col-lg-3 col-md-4 col-sm-6" style ="width:100%;"> <div class="thumbnail" style="background:#f8f8f8; border: 1px #eee solid; margin-top:20px;border-radius:15px; padding: 10px;"> <div style="color:#666;font-size: 14px;padding: 0px;margin-top:15px; text-align: center;"> <b>表1</b> 不同Rh@Pt/C核壳催化剂XPS数据 </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;"> <b>Table 1</b> XPS of different Rh@Pt/C core-shell nanocrystals catalyst </div> <a class='inline' href="#inline_content3472" style="text-decoration: none;" data-toggle="tooltip" data-placement="bottom" data-original-title="表1 不同Rh@Pt/C核壳催化剂XPS数据"> <div class="table-responsive kongzhitab"> <table id="Table1"><thead><tr><th align="center" style="border-top:solid;border-bottom:solid;">Sample</th><th align="center" style="border-top:solid;border-bottom:solid;">BE（Rh3<i>d</i><sub>5/2</sub>）/eV</th><th align="center" style="border-top:solid;border-bottom:solid;">BE（Pt4<i>f</i><sub>7/2</sub>）/eV</th><th align="center" style="border-top:solid;border-bottom:solid;">Rh<sup>3+</sup>/Rh<sup>0</sup></th><th align="center" style="border-top:solid;border-bottom:solid;">Pt<sup>2+</sup>/Pt<sup>0</sup></th></tr></thead><tbody><tr align="center"><td align="center">Standard</td><td align="center">307.90</td><td align="center">71.30</td><td align="center">2.12</td><td align="center">/</td></tr><tr align="center"><td align="center">Rh@Pt<sub>0.2</sub>/C</td><td align="center">307.43</td><td align="center">71.41</td><td align="center">0.84</td><td align="center">0.57</td></tr><tr align="center"><td align="center">Rh@Pt<sub>0.25</sub>/C</td><td align="center">307.46</td><td align="center">71.51</td><td align="center">0.48</td><td align="center">0.64</td></tr><tr align="center"><td align="center">Rh@Pt<sub>0.33</sub>/C</td><td align="center">307.55</td><td align="center">71.53</td><td align="center">0.43</td><td align="center">0.60</td></tr><tr align="center"><td align="center" style="border-bottom:solid;">Rh@Pt<sub>0.5</sub>/C</td><td align="center" style="border-bottom:solid;">307.62</td><td align="center" style="border-bottom:solid;">71.55</td><td align="center" style="border-bottom:solid;">0.87</td><td align="center" style="border-bottom:solid;">0.60</td></tr></tbody></table> </div> </a> <div style='display:none'> <div class="table-responsive kongzhitab" id='inline_content3472' style='padding:10px; background:#fff;'> <p style="color:#666;font-size: 14px;padding: 0px;margin-top:15px;text-align: center;"><b>表1</b> 不同Rh@Pt/C核壳催化剂XPS数据</p> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"><b>Table 1</b> XPS of different Rh@Pt/C core-shell nanocrystals catalyst</p> <table id="Table1"><thead><tr><th align="center" style="border-top:solid;border-bottom:solid;">Sample</th><th align="center" style="border-top:solid;border-bottom:solid;">BE（Rh3<i>d</i><sub>5/2</sub>）/eV</th><th align="center" style="border-top:solid;border-bottom:solid;">BE（Pt4<i>f</i><sub>7/2</sub>）/eV</th><th align="center" style="border-top:solid;border-bottom:solid;">Rh<sup>3+</sup>/Rh<sup>0</sup></th><th align="center" style="border-top:solid;border-bottom:solid;">Pt<sup>2+</sup>/Pt<sup>0</sup></th></tr></thead><tbody><tr align="center"><td align="center">Standard</td><td align="center">307.90</td><td align="center">71.30</td><td align="center">2.12</td><td align="center">/</td></tr><tr align="center"><td align="center">Rh@Pt<sub>0.2</sub>/C</td><td align="center">307.43</td><td align="center">71.41</td><td align="center">0.84</td><td align="center">0.57</td></tr><tr align="center"><td align="center">Rh@Pt<sub>0.25</sub>/C</td><td align="center">307.46</td><td align="center">71.51</td><td align="center">0.48</td><td align="center">0.64</td></tr><tr align="center"><td align="center">Rh@Pt<sub>0.33</sub>/C</td><td align="center">307.55</td><td align="center">71.53</td><td align="center">0.43</td><td align="center">0.60</td></tr><tr align="center"><td align="center" style="border-bottom:solid;">Rh@Pt<sub>0.5</sub>/C</td><td align="center" style="border-bottom:solid;">307.62</td><td align="center" style="border-bottom:solid;">71.55</td><td align="center" style="border-bottom:solid;">0.87</td><td align="center" style="border-bottom:solid;">0.60</td></tr></tbody></table> </div> </div> </div> </div> <div class="col-lg-3 col-md-4 col-sm-6" style ="width:100%;"> <div class="thumbnail" style="background:#f8f8f8; border: 1px #eee solid; margin-top:20px;border-radius:15px; padding: 10px;"> <div class="img_div"> <a class="figureClass" href="#figureClass3473" data-toggle="tooltip" data-placement="bottom" data-original-title="图5 不同催化剂在1 mol/L NaOH溶液中的CV曲线"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F005.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"> </a> </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;"> <b>图5</b> 不同催化剂在1 mol/L NaOH溶液中的CV曲线 </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"> <b>Fig.5</b> CV curves of different catalysts in 1 mol/L NaOH solution </div> <div style='display:none'> <div id='figureClass3473' style='padding:10px; background:#fff;text-align:center;' class="img_div"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F005.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"/> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;"><b>图5</b> 不同催化剂在1 mol/L NaOH溶液中的CV曲线</p> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"><b>Fig.5</b> CV curves of different catalysts in 1 mol/L NaOH solution</p> </div> </div> </div> </div> <div class="col-lg-3 col-md-4 col-sm-6" style ="width:100%;"> <div class="thumbnail" style="background:#f8f8f8; border: 1px #eee solid; margin-top:20px;border-radius:15px; padding: 10px;"> <div class="img_div"> <a class="figureClass" href="#figureClass3474" data-toggle="tooltip" data-placement="bottom" data-original-title="图6 不同催化剂在1 mol/L NaOH溶液中的CO预吸附剥离曲线"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F006.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"> </a> </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;"> <b>图6</b> 不同催化剂在1 mol/L NaOH溶液中的CO预吸附剥离曲线 </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"> <b>Fig.6</b> CO stripping curves of different catalysts in 1 mol/L NaOH solution </div> <div style='display:none'> <div id='figureClass3474' style='padding:10px; background:#fff;text-align:center;' class="img_div"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F006.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"/> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;"><b>图6</b> 不同催化剂在1 mol/L NaOH溶液中的CO预吸附剥离曲线</p> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"><b>Fig.6</b> CO stripping curves of different catalysts in 1 mol/L NaOH solution</p> </div> </div> </div> </div> <div class="col-lg-3 col-md-4 col-sm-6" style ="width:100%;"> <div class="thumbnail" style="background:#f8f8f8; border: 1px #eee solid; margin-top:20px;border-radius:15px; padding: 10px;"> <div class="img_div"> <a class="figureClass" href="#figureClass3475" data-toggle="tooltip" data-placement="bottom" data-original-title="图7 不同催化剂（A）对金属质量归一化的CV曲线；（B）对活性面积归一化的CV曲线；（C）催化剂质量归一化和面积归一化活性趋势图；（D）CA曲线"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F007.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"> </a> </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;"> <b>图7</b> 不同催化剂（A）对金属质量归一化的CV曲线；（B）对活性面积归一化的CV曲线；（C）催化剂质量归一化和面积归一化活性趋势图；（D）CA曲线 </div> <div style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"> <b>Fig.7</b> CV curves of （A） metal quality normalization and （B） area normalization for different catalysts；（C） Activity trend of different catalysts quality normalization and area normalization；（D） CA curves of different catalysts </div> <div style='display:none'> <div id='figureClass3475' style='padding:10px; background:#fff;text-align:center;' class="img_div"> <img src="http://yyhx.ciac.jl.cn/fileup/1000-0518/FIGURE/2023-40-8/Images/1000-0518-2023-40-8-1195/2CB0C6C1-6ED5-4601-AA6B-50A58695448E-F007.jpg" style="height:auto;max-width:90%;margin:15px auto;" class="zhaiyao_img"/> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;"><b>图7</b> 不同催化剂（A）对金属质量归一化的CV曲线；（B）对活性面积归一化的CV曲线；（C）催化剂质量归一化和面积归一化活性趋势图；（D）CA曲线</p> <p style="color:#666;font-size: 14px;padding: 0px;text-align: center;margin-bottom:15px;"><b>Fig.7</b> CV curves of （A） metal quality normalization and （B） area normalization for different catalysts；（C） Activity trend of different catalysts quality normalization and area normalization；（D） CA curves of different catalysts</p> </div> </div> </div> </div> </div>  </div> </div> </div> <div class="panel panel-default" > <div class="panel-heading" role="tab" id="cankaowenxian" onClick="xianshi(this)"> <a name="reference"></a> <h4 class="panel-title"> <a id="reference" class="collapsed" href="javascript:;"> 参考文献 <span class="badge badge-info">34</span> </a> </h4> </div> <div id="collapseThree" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingThree" style="display: none;"> <div class="panel-body">  <table width="98%" border="0" align="center" cellpadding="0" cellspacing="8"> <tr> <td valign='top' align='right' style="padding-right:13px;">1</td> <td style="padding-bottom: 13px;"> <span class='magtech_ref_source'>XIAO F， WANG Y C， WU Z P， et al. 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Nano Res， 2019， 12： 651-657.</span> </td> </tr> </table>  </div> </div> </div> <div class="panel panel-default"> <div class="panel-heading" role="tab" id="xiangguanwenzhang" onClick="xianshi(this)"> <h4 class="panel-title"> <a id="relatedArticles" class="collapsed" href="javascript:;"> 相关文章 <span class="badge badge-info">15</span> </a> </h4> </div> <div id="collapseFour" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingFour" style="display: none;"> <div class="panel-body"> <table width="100%" border="0" height='25'> <tr> <td width="30" valign='top' style="line-height:30px;">[1]</td> <td class="J_zhaiyao" style="line-height:30px;" valign='top'>梁锦辉, 梁乐程, 崔志明. <a href="http://yyhx.ciac.jl.cn/CN/10.19894/j.issn.1000-0518.230130" target="_blank" class="txt_zhaiyao">金属间化合物电催化剂在氢电转换器件应用中的研究进展</a>[J]. 应用化学, 2023, 40(8): 1140-1157.</td> </tr> <tr> <td width="30" valign='top' style="line-height:30px;">[2]</td> <td class="J_zhaiyao" style="line-height:30px;" 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if(mp3Audios.length > 0){ for(var i = 0; i < mp3Audios.length; i++){ mp3Audios[i].addEventListener("play", function (ele) { var supplId = ele.target.id; var id = supplId.substring(5); jQuery.ajax({ url: "http://yyhx.ciac.jl.cn/CN/suppl/validateVideo.do", data:{id : id}, type: 'post', async:false, dataType: 'json', success: function(data) { if(data.info == "false"){ document.getElementById(supplId).pause(); alert("您还没有登录，请登录后查看！"); } } }); }); } } function chakan(shifoukaifang,id,url){ var url2 = "http://yyhx.ciac.jl.cn/fileup/1000-0518/SUPPL/"+url; window.location.href = "http://yyhx.ciac.jl.cn/CN/suppl/validateVideo.do?url="+url2+"&id="+id+"&shifoukaifang="+shifoukaifang; } </script>  <link rel="stylesheet" href="http://yyhx.ciac.jl.cn/images/1000-0518/css/abstract.css">

Rh@Pt内凹立方体核壳催化剂的制备及其乙醇电氧化性能

Synthesis of Rh@Pt/C Concave Cubic Core-Shell Catalyst and Its Ethanol Electro-Oxidation Performance

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摘要/Abstract