Pt‐Sn Nanoparticles Supported on Carbon Nanodots as Anode Catalysts for Alcohol Electro‐oxidation in Acidic Conditions

Gwebu Sandile Surprise; Nomngongo Philiswa Nosizo; Maxakato Nobanathi Wendy

摘要

Abstract >The Pt‐Sn/CNDs electrocatalyst was synthesized by the alcohol reduction method with the aim to reduce platinum loading and improve electroactivity. XPS results showed that the nanoparticles were present in the form of Pt‐Sn metallic alloy with a significant amount of SnO‐ species which facilitate the rapid oxidation of CO intermediates. The lattice parameter of Pt in Pt‐Sn/CNDs electrocatalyst was calculated to be 0.3926?nm; this value is higher than 0.3921?nm, the lattice parameter of Pt in Pt/CNDs electrocatalyst. XRD results proved that incorporating tin (Sn) into the Pt/CNDs electrocatalyst modifies the face centred cubic shape of platinum to a crystalline structure which improves the alcohol electro‐oxidation reactions. The electrochemical tests proved that the Pt‐Sn/CNDs electrocatalyst exhibited high current densities and lower poisoning rates compared to the Pt/CNDs and Pt/C electrocatalysts. The Pt‐Sn/CNDs electrocatalyst showed the greatest electroactivity for both methanol and ethanol electro‐oxidation reactions. </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</标题> >通过酒精还原方法合成PT-SN / CNDS电催化剂，旨在减少铂载荷并改善电切换。 XPS结果表明，纳米颗粒以Pt-Sn金属合金的形式存在，具有大量的链状物，促进CO中间体的快速氧化。 PT-Sn / CNDS电催化剂中Pt的晶格参数计算为0.3926Ω·Nm;该值高于0.3921·nm，Pt / cnds电催化剂中Pt的晶格参数。 XRD结果证明，将锡（Sn）掺入Pt / CNDs电催化剂中改变铂的面为中心立方形状，以改善醇电氧化反应的结晶结构。电化学试验证明，与PT / CNDS和PT / C电催化剂相比，PT-SN / CNDS电催化剂表现出高电流密度和较低的中毒速率。 PT-Sn / CNDS电催化剂显示出甲醇和乙醇电氧化反应的最大电催化。</ 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-22546/'>《Electroanalysis》</a> <b style="margin: 0 2px;">|</b><span>2018年第6期</span><b style="margin: 0 2px;">|</b><span>共8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=Gwebu Sandile Surprise&option=202" target="_blank" rel="nofollow">Gwebu Sandile Surprise;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Nomngongo Philiswa Nosizo&option=202" target="_blank" rel="nofollow">Nomngongo Philiswa Nosizo;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Maxakato Nobanathi Wendy&option=202" target="_blank" rel="nofollow">Maxakato Nobanathi Wendy;</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 Applied ChemistryUniversity of Johannesburg P.O. Box 17011Doornfontein 2028 South Africa;</p> <p>Department of Applied ChemistryUniversity of Johannesburg P.O. Box 17011Doornfontein 2028 South Africa;</p> <p>Department of Applied ChemistryUniversity of Johannesburg P.O. Box 17011Doornfontein 2028 South Africa;</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/4817.html" title="电化学、电解、磁化学">电化学、电解、磁化学;</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=carbon nanodots&option=203" rel="nofollow">carbon nanodots;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=electrocatalyst&option=203" rel="nofollow">electrocatalyst;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=fuel cells&option=203" rel="nofollow">fuel cells;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=platinum&option=203" rel="nofollow">platinum;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=tin&option=203" rel="nofollow">tin;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=ethanol&option=203" rel="nofollow">ethanol;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=methanol&option=203" rel="nofollow">methanol;</a> </p> <div class="translation"> 机译：碳纳多特;电催化剂;燃料电池;铂;锡;乙醇;甲醇; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704023174269.html">Pt‐Sn Nanoparticles Supported on Carbon Nanodots as Anode Catalysts for Alcohol Electro‐oxidation in Acidic Conditions</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gwebu Sandile Surprise&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Gwebu Sandile Surprise,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Nomngongo Philiswa Nosizo&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Nomngongo Philiswa Nosizo,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Maxakato Nobanathi Wendy&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Maxakato Nobanathi Wendy </a> <a href="/journal-foreign-22546/" target="_blank" rel="nofollow" class="tuijian_authcolor">Electroanalysis .</a> <span>2018</span><span>,第6期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：在碳纳米液中负载Pt-Sn纳米粒子作为酸性条件下乙醇电氧化的阳极催化剂</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/academic-journal-foreign_detail_thesis/0204115258004.html">Platinum Nanoparticles Supported on Carbon Nanodots as Anode Catalysts for Direct Alcohol Fuel Cells</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=S. 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2019.10.25</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130437800689.html">electrocatalysts containing carbon-supported tin-platinum metal nanoparticles for use as an anode in the direct oxidation of alcohols in proton exchanger membrane fuel cells</a> <b>[P]</b> . <span> 外国专利：  BRPI0405676A </span> <span> . 2006-10-17</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：质子交换膜燃料电池中用作碳直接氧化阳极的含碳负载锡-铂金属纳米粒子的电催化剂 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130500198852.html">Controlled on-pot design of mixed copper/zinc oxides supported aluminum oxide as an efficient catalyst for conversion of syngas to heavy liquid hydrocarbons and alcohols under ambient conditions feasible for the Fischer-Tropsch synthesis</a> <b>[P]</b> . <span> 外国专利：  US11045793B1 </span> <span> . 2021-06-29</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：控制的混合铜/氧化锌的罐设计负载氧化铝，作为在Fischer-Tropsch合成的环境条件下将合成气与重质液体烃和醇转化的有效催化剂 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130416485964.html">Ruthenium/palladium/carbon catalyst useful for electro-oxidation of the formic acid in formic acid fuel cells comprises palladium and ruthenium deposited on a carbon support</a> <b>[P]</b> . <span> 外国专利：  DE102013112288A1 </span> <span> . 2014-05-28</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：可用于甲酸燃料电池中甲酸电氧化的钌/钯/碳催化剂，包括沉积在碳载体上的钯和钌 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul 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