Palladium Copper Chromium Ternary Nanoparticles Constructed In?situ within a Basic Resin: Enhanced Activity in the Dehydrogenation of Formic Acid

摘要

Abstract > PdCuCr ternary nanoparticles (NPs) responsible for the efficient production of H <sub>2</sub> from formic acid are constructed in?situ during the initial catalytic reaction within a macroreticular basic resin that possesses ?N(CH <sub>3</sub> ) <sub>2</sub> functional groups. A high H <sub>2</sub> production rate of 174?000?mL?h ?1 ?g <sub>pd</sub> ?1 with a high turnover frequency of 830?h ?1 based on Pd can be achieved, which is substantially higher than that obtained with bimetallic PdCu and PdCr and monometallic Pd NPs. Physicochemical characterization was performed by using X‐ray absorption fine structure analysis and high‐angle annular dark‐field scanning transmission electron microscopy. The kinetic isotope effect revealed not only the stabilization of highly dispersed NPs but also the boosting of the C?H bond dissociation step by a synergistic alloying effect induced by the introduction of Cr atoms, which plays an important role to achieve efficient catalytic activity. Moreover, this heterogeneous catalytic system exhibits high durability without agglomeration and leaching and has potential for applications in high‐pressure gas‐evolution systems. </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> > PDCUCR三元纳米粒子（NPS）负责高效生产H. <sub> 2 </ sub> 在初始催化反应期间构建甲酸，在具有αn的初始催化反应期间在初始催化反应中构建？n（CH <sub> 3 </ sub> 的） <sub> 2 </ sub> 功能群。高H. <sub> 2 </ sub> 生产率为174？000？m ml？h ？1 </ sup> ？G <sub> pd </ sub> ？1 </ sup> 距离频率高830？h ？1 </ sup> 基于PD，可以实现，其基本上高于用Bimetallic PDCU和PDCR和单金属PD NP获得的。通过使用X射线吸收细结构分析和大角度环形暗场扫描透射电子显微镜进行物理化学表征。动力学同位素效应不仅揭示了高度分散的NPS的稳定化，而且还通过引入Cr原子引发的协同合并效应来促进C-H键解离步骤，这起到了实现有效的催化活性的重要作用。此外，这种非均相催化系统具有高耐久性而无需聚集和浸出，并且具有高压气体进化系统中的应用。 </ 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>2017年第18期</span><b style="margin: 0 2px;">|</b><span>共7页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> </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"> </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=chromium&option=203" rel="nofollow">chromium;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=copper&option=203" rel="nofollow">copper;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=dehydrogenation&option=203" rel="nofollow">dehydrogenation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=nanoparticles&option=203" rel="nofollow">nanoparticles;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=palladium&option=203" rel="nofollow">palladium;</a> </p> <div class="translation"> 机译：铬;铜;脱氢;纳米粒子;钯; </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/0704022058272.html">Palladium Copper Chromium Ternary Nanoparticles Constructed In?situ within a Basic Resin: Enhanced Activity in the Dehydrogenation of Formic Acid</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> </a> <a href="/journal-foreign-16041/" target="_blank" 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href="/patent-detail/06120105881811.html">使用弱碱性或强碱性阴离子交换树脂吸附剂从发酵液中的葡萄糖酸中分离柠檬酸</a> <b>[P]</b> . <span> 中国专利： CN101679190A </span> <span> . 2010-03-24</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120802646.html">从具有季铵基团的碱性阴离子交换树脂中回收氟化表面活性剂的方法</a> <b>[P]</b> . <span> 中国专利： CN101137678B </span> <span> . 2011.08.17</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130403990283.html">method for enhancing plant performance traits with respect to control plants, plant or part thereof, construct, use of a construct, plant. or plant part or plant cell transformed with a construct, method for producing a transgenic plant, transgenic plant, harvestable parts of a plant, products derived from a plant, use of a nucleic acid, isolated nicleic acid molecule, polypeptide isolated, use of any one, two or more nucleic acids and method for enhancing plant yield traits, use of a genetic costruct and use of a nucleic acid</a> <b>[P]</b> . <span> 外国专利：  BR112012006617A2 </span> <span> . 2019-09-24</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：用于相对于对照植物，植物或其部分，植物，植物的用途，植物增强植物性能性状的方法。或用构建体转化的植物部分或植物细胞，生产转基因植物的方法，转基因植物，植物的可收获部分，植物衍生的产物，核酸的用途，分离的核酸分子，多肽的分离物，任何一种，两种或更多种核酸以及用于增强植物产量性状的方法，遗传构建体的使用和核酸的使用 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130424398337.html">APPLICATION crystalline aluminosilicate (zeolite), containing acidic CENTERS OF IONS Oxides of nickel, copper, cobalt, iron, vanadium, molybdenum, chromium, tungsten, manganese, titanium, silver, lanthanides, for catalyzing the dehydrogenation reaction of methane and other paraffins</a> <b>[P]</b> . <span> 外国专利：  RU2009127129A </span> <span> . 2011-01-20</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：应用含酸性离子中心结晶的硅铝酸盐（沸石）镍，铜，钴，铁，钒，钼，铬，钨，锰，钛，银，镧系元素的氧化物，用于催化甲烷和其他链烷烃的脱氢反应 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130443077369.html">The catalyst was formed containing chromium and copper-containing formed for the dehydrogenation and hydrogenation reactions</a> <b>[P]</b> . <span> 外国专利：  JP2004518533A </span> <span> . 2004-06-24</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：形成含有铬和含铜的催化剂，用于脱氢和氢化反应 </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 id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> 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