Nickel‐Borate/Reduced Graphene Oxide Nanohybrid: A Robust and Efficient Electrocatalyst for Oxygen Evolution Reaction in Alkaline and Near Neutral Media

摘要

Abstract > Designing highly active electrocatalysts with cost‐effective transition metals for oxygen evolution reaction (OER) is of vital significance for multifarious energy conversion and storage devices. Herein, a facile in situ co‐reduction method was applied for the preparation of nickel‐borate nanoparticle on reduced graphene oxide (Ni?B <sub>i</sub> /RGO) with high surface active sites exposure yield and reinforced electron transfer ability. Such Ni?B <sub>i</sub> /RGO nanohybrid shows high catalytic activity with overpotential of 329?mV to drive a geometrical current density of 10?mA?cm ?2 and Tafel slop of 79?mV?dec ?1 in 1? <sc>m</sc> KOH. Moreover, this Ni?B <sub>i</sub> /RGO nanohybrid also displays excellent performance under near neutral condition, with a low onset potential of 352?mV and Tafel slop of 176?mV?dec ?1 in 0.1? <sc>m</sc> potassium borate (KB <sub>i</sub> , pH?9.2), better than most of Ni‐based OER catalysts. Our research has paved a facile path for the development of highly active electrocatalysts. </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> > 设计高活性电催化剂，具有用于氧气进化反应（OER）的经济高效的过渡金属对多种能量转换和储存装置具有至关重要的意义。在此，施加在石墨烯氧化物上制备镍硼酸镍纳米颗粒（Ni？B. <sub> i </ sub> / rgo）具有高表面活性部位的暴露产量和增强的电子转移能力。这样的ni？b <sub> i </ sub> / rgo nanohybrid显示出高催化活性，具有329Ωmv的过电位，以驱动10Ω·mA的几何电流密度？2 </ sup> 和Tafel Slop 79？MV？DEC ？1 </ sup> 1？ <sc> m </ sc> KOH。而且，这个ni？b <sub> i </ sub> / rgo nanohybrid还在接近中性条件下表现出优异的性能，具有352×mV和Tafel斜率的低发病潜力为176？MV？Dec ？1 </ sup> 在0.1？ <sc> m </ sc> 硼酸钾（KB <sub> i </ sub> ，pH？9.2），优于大多数基于NI的OER催化剂。我们的研究已经为高活性电催化剂开发了一个容易路径。 </ 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13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=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=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=nickel-borate&option=203" rel="nofollow">nickel-borate;</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=reduced graphene oxide&option=203" rel="nofollow">reduced graphene oxide;</a> </p> <div class="translation"> 机译：电催化剂;纳米颗粒;镍硼酸盐;氧气进化反应;氧化石墨烯; </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/0704022057215.html">Nickel‐Borate/Reduced Graphene Oxide Nanohybrid: A Robust and Efficient Electrocatalyst for Oxygen Evolution Reaction in Alkaline and Near Neutral Media</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/" 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<span>机译：基于BACOO3-5的碱性水电解过程中用于氧气发展的耐化学腐蚀的电化学催化剂，生产所述电解催化剂的方法，包含所述电解催化剂的阳极以及催化活性和化学稳定的反应产物 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130406138326.html">CHEMICALLY RESISTANT, OXIDIC ELECTROCATALYST FOR OXYGEN DEVELOPMENT DURING ALKALINE WATER ELECTROLYSIS BASED ON BACOO3-5, METHOD FOR PRODUCING SAID ELECTROCATALYST, ANODE COMPRISING SAID ELECTROCATALYST, AND CATALYTICALLY ACTIVE AND CHEMICALLY STABLE REACTION PRODUCT THEREOF</a> <b>[P]</b> . <span> 外国专利：  WO2018178135A1 </span> <span> . 2018-10-04</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：基于BACOO3-5的碱性水电解过程中用于氧气发展的耐化学腐蚀的电化学催化剂，生产所述电解催化剂的方法，包含所述电解催化剂的阳极以及催化活性和化学稳定的反应产物 </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> 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