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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132702_771678_procont.jpg" style="" title="132702_771678_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132705_528320_procont.jpg" style="" title="132705_528320_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132715_081099_procont.jpg" style="" title="132715_081099_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132718_337144_procont.jpg" style="" title="132718_337144_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132721_622711_procont.jpg" style="" title="132721_622711_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132742_733018_procont.jpg" style="" title="132742_733018_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132749_843587_procont.jpg" style="" title="132749_843587_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132752_985859_procont.jpg" style="" title="132752_985859_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132756_035235_procont.jpg" style="" title="132756_035235_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132759_197230_procont.jpg" style="" title="132759_197230_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132808_407811_procont.jpg" style="" title="132808_407811_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/29/132811_906742_procont.jpg" style="" title="132811_906742_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/03/18/134944_410765_procont.jpg" title="134944_410765_procont.jpg" alt="粉体�?jpg"/></p><p>1、锂离子电池在制造过程中，粉末压实密度测试仪对电池性能有较大的影响。压实密度与片比容量，功率，内阻，以及电池循环性能都有十分密切的联系、�/p><p>2、压实密度对电池设计很重要。一般来说，压实密度越大，电池的容量就能做的越高，所以压实密度也被看做材料能量密度的参考指标之一、�/p><p>3、适宜的正极压实密度能够增大电池的放电容量，减小内阻，减小极化丢失，电池寿命延长，电池利用率明显提高，在粉末压实密度测试仪压实密度过大或过小时，不利于锂离子的嵌入嵌出、�/p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 本仪器适用于各种粉末颗粒在单点、或多点压力/压强下被压缩后的压实密度测试� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div class="xgfa_cont"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank" class="xgfa_cont_img"><img src="//www.znpla.com/img1/img/daily/2021/11/22/140453_790664_solution_25872.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank">体积电阻率和表面电阻率有什么不吋�/a> <p class="xgfa_cont_txt">首先*步需要测试体积电阻值和表面电阻值，然后根据试样的尺寸和电极系数，根据计算公式得到体积电阻率和表面电阻率，体积和表面电阻测试时，对电压试样的位置不同，从而能够不同的电阻值在接和未接试样时电容的变化</p><div class="xgfa_cont_time"> <span>石油/化工</span><p>2021-11-22</p></div></div></div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="333167" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">