Experimental Studies on the Performances of a Direct Methanol Fuel Cell with a Novel Integrated Ultrasonic Atomization Fuel Feeder

摘要

Abstract > With the advantages of high energy density and low operating temperature, direct methanol fuel cell (DMFC) has been rated as the most promising portable energy device to replace the traditional lithium cell. However, the development of DMFC is limited by methanol crossover (MCO) and catalyst poisoning. To alleviate MCO, a DMFC with an integrated ultrasonic atomization fuel feeder is proposed in the present research. The open circuit voltage (OCV) and the polarization curves of the cell under a series of conditions are analyzed. The performances of the proposed DMFC are evaluated at different methanol concentrations and fuel feed rates. The mechanism of MCO is discussed from above experiments. Compared with liquid feed style, atomization feed style can reduce characteristic response time (CRT) and greatly alleviate MCO because the DMFC obtains a larger OCV value. It can be found from our experiments that atomization feed style can effectively improve cell performance and energy density. Moreover, atomization feed style under different methanol concentrations can obtain the best cell performance by adjusting feed rate. When the feed rate is 0.24 mL min ?1 and 0.6 mL min ?1 , the best cell performance is obtained at 8M and 4M, respectively. </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> > 随着能量密度高，工作温度低的优点，直接甲醇燃料电池（DMFC）被评为最有前途的便携式能量装置，以取代传统的锂电池。然而，DMFC的发展受甲醇交叉（MCO）和催化剂中毒的限制。为了缓解MCO，在本研究中提出了一种具有集成超声雾化燃料进料器的DMFC。分析了在一系列条件下的开路电压（OCV）和电池的偏振曲线。在不同的甲醇浓度和燃料进料速率下评估所提出的DMFC的性能。从上面的实验中讨论了MCO的机制。与液体进料器相比，雾化进料风格可以降低特征响应时间（CRT），大大减轻MCO，因为DMFC获得了更大的OCV值。我们可以从我们的实验中找到，雾化进料风格可以有效地提高细胞性能和能量密度。此外，在不同甲醇浓度下的雾化进料风格可以通过调节进料速率获得最佳的细胞性能。当进料速率为0.24毫升？1 </ sup> 和0.6毫升分钟？1 </ sup> ，最佳的细胞性能分别在8m和4m处获得。 </ 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-24199/'>《Fuel cells》</a> <b style="margin: 0 2px;">|</b><span>2020年第2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"> </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/1817.html" title="电化学工业">电化学工业;</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=Direct Methanol Fuel Cell&option=203" rel="nofollow">Direct Methanol Fuel Cell;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fuel Feeder&option=203" rel="nofollow">Fuel Feeder;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Methanol Crossover&option=203" rel="nofollow">Methanol Crossover;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Open Circuit Voltage&option=203" rel="nofollow">Open Circuit Voltage;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Polarization Performance&option=203" rel="nofollow">Polarization Performance;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ultrasonic Atomization&option=203" rel="nofollow">Ultrasonic Atomization;</a> </p> <div class="translation"> 机译：直接甲醇燃料电池;燃料供给器;甲醇交叉;开路电压;偏振性能;超声雾化; 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href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=郭启亮&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 郭启亮</a> <span> . 2015</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120100868297.html">一种直接甲醇燃料电池用多性能检测装置及其应用</a> <b>[P]</b> . <span> 中国专利： CN109917296A </span> <span> . 2019-06-21</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120611243.html">高性能、低成本圆形直接甲醇燃料电池组</a> <b>[P]</b> . <span> 中国专利： CN101330157B </span> <span> . 2010.04.14</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130442540974.html">Electrochemical method to improve the performance of H2/air PEM fuel cells and direct methanol fuel cells</a> <b>[P]</b> . <span> 外国专利：  US6730424B1 </span> <span> . 2004-05-04</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: 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