A Cobalt‐Based Film for Highly Efficient Electrocatalytic Water Oxidation in Neutral Aqueous Solution

Chen Hu; Gao Yan; Sun Licheng

摘要

Abstract > A cobalt‐based film (Co‐Hi) for water oxidation was prepared in 2‐[4‐(2‐hydroxyethyl)piperazin‐1‐yl]ethanesulfonic acid buffer at pH?7.0 through a unique cyclic voltammetry electrodeposition method by applying a wide scan range from 1.40 to ?1.00?V versus normal hydrogen electrode (NHE). This catalyst film displayed highly efficient activity during oxygen evolution in neutral aqueous solution. An impressive current density of more than 1.5?mA?cm ?2 that was stable over a prolonged time period was obtained with a remarkably low onset overpotential of 230?mV in 0.1? <sc>m</sc> phosphate buffer (pH?7.0). </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> > 通过涂覆宽的循环伏安法电沉积方法，在pHφ7.0处在2- [4-（2-羟乙基）哌嗪-1-基]乙磺酸缓冲液中制备用于水氧化的钴基薄膜（共HI）。扫描范围从1.40到？1.00？V与正常氢电极（NHE）。该催化剂薄膜在中性水溶液中的氧气进化期间显示出高效的活性。令人印象深刻的电流密度超过1.5？ma？cm ？2 </ sup> 在延长时间段稳定的是，在0.1中的230℃下的显着低发起的过电位获得稳定的时间。 <sc> m </ sc> 磷酸盐缓冲液（pH？7.0）。 </ 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>2016年第17期</span><b style="margin: 0 2px;">|</b><span>共4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=Chen Hu&option=202" target="_blank" rel="nofollow">Chen Hu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gao Yan&option=202" target="_blank" rel="nofollow">Gao Yan;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sun Licheng&option=202" target="_blank" rel="nofollow">Sun Licheng;</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>State Key Laboratory of Fine ChemicalsDalian University of Technology (DUT)Dalian 116024 China;</p> <p>State Key Laboratory of Fine ChemicalsDalian University of Technology (DUT)Dalian 116024 China;</p> <p>State Key Laboratory of Fine ChemicalsDalian University of Technology (DUT)Dalian 116024 China;</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=catalyst films&option=203" rel="nofollow">catalyst films;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=cobalt&option=203" rel="nofollow">cobalt;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=electrodeposition&option=203" rel="nofollow">electrodeposition;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=oxidation&option=203" rel="nofollow">oxidation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=water splitting&option=203" rel="nofollow">water splitting;</a> </p> <div class="translation"> 机译：催化剂薄膜;钴;电沉积;氧化;水分裂; </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> 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href="/patent-detail/061201276338.html">一种在中性水溶液中制备低温溶解的高分子薄膜的方法</a> <b>[P]</b> . <span> 中国专利： CN102532768B </span> <span> . 2013.10.16</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120106755564.html">一种在中性水溶液中制备低温溶解的高分子薄膜的方法</a> <b>[P]</b> . <span> 中国专利： CN102532768A </span> <span> . 2012-07-04</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130436200202.html">METHOD FOR PRODUCING MULTILAYERED TITANIUM DIOXIDE FILM HAVING HIGHLY-EFFICIENT OPTICALLY-ACTIVE TITANIUM DIOXIDE FILM AND VISIBLE-LIGHT-RESPONSIVE INTERFACE, AND METHOD FOR PRODUCING SOLUTION COMPOSITION FOR FORMING THE FILM</a> <b>[P]</b> . <span> 外国专利：  JP2007070202A </span> <span> . 2007-03-22</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：具有高效光学活性二氧化钛膜和可见光响应性界面的多层二氧化钛膜的制备方法以及制备该膜的溶液组合物的方法 </span> </p> </li> 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