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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">研究发现高功率超快充电桩会让电动车动力电池的老化速度几乎翻倍 </h1> <p class="xg1"> 时间：2026-2-10 09:24<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(24)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=10442&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>地理信息与车联网公司 Geotab 最新发布的一项大规模实车分析显示，频繁依赖功率超过 100 千瓦的超快充电桩，会让电动车动力电池的老化速度几乎翻倍。这项研究覆盖了 21 个车型、超过 2.27 万辆电动车，从长期使用数 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> 地理信息与车联网公司Geotab最新发布的一项大规模实车分析<a href="http://display.oecr.com" target="_blank" class="relatedlink">显示</a>，频繁依赖功率超过100千瓦的超快充电桩，会让电动车动力电池的老化速度几乎翻倍。这项研究覆盖了21个车型、超过2.27万辆电动车，从长期使用数据中描绘出充电习惯与电池健康之间的直接关联。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/202602/10/092430o7rzzearf3c7l707.jpg" target="_blank"><img src="data/attachment/portal/202602/10/092430o7rzzearf3c7l707.jpg"></a></p></div><div><br></div><div> 整体来看，一辆典型电动车每年的电池可用容量损失大约为2.3%。但在那些高度依赖直流超快充的车辆中，年均容量衰减可升至约2.5%，而同一车型如果只偶尔使用快充、以家用二级充电（Level2）为主，衰减率则更接近每年1.5%。Geotab指出，一个关键分水岭是：如果超过12%的充电行为发生在100千瓦以上的高功率站点，电池老化曲线就会明显变陡。</div><div><br></div><div> 之所以以100千瓦作为“警戒线”，在于这一功率水平之上，充电过程对电芯来说不再只是“快速”，而是明显更具电化学侵略性。在这样的功率下强行“灌入”<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>，会加剧所谓“锂析出”（lithiumplating）现象——部分锂以金属形态沉积在负极表面，而不是以离子形式在电极内部均匀扩散。长期累积后，这会减少可参与反应的锂离子数量，相当于从结构上压缩了电池的可用容量。</div><div><br></div><div> 这一机制对目前主流的两大动力电池体系——磷酸铁锂（LFP）和三元锂（NMC）都会造成影响，但Geotab的数据表明，LFP在超快充压力下的耐受性整体要更好一些。不过，无论采用哪种电芯化学体系，频繁高功率充电都会加速电池进入容量下滑通道。</div><div><br></div><div> 气候环境被证实是另一个不可忽视的变量。在平均气温高于华氏77度（约25摄氏度）的地区，电池每年的额外衰减可增加约0.4个百分点。而在冰点以下尝试进行快充，则可能对电芯结构造成永久性损伤，这也是为什么如今大多数电动车都标配电池预热与温控系统，以在充电前将电池调整到更安全、更友好的温度窗口。</div><div><br></div><div> 从长期趋势来看，Geotab的纵向数据还显示出一个“先快后稳”的曲线。不少电动车电池在用车前期会经历一次比较明显的容量掉落，随后年均衰减趋于在1.4%左右稳定下来。这从侧面说明，电池管理系统（BMS）在充放电范围、热管理和单体均衡方面，整体上发挥了应有作用。</div><div><br></div><div> 用户行为依然是决定电池寿命的重要变量。研究发现，那些经常让电量长期低于20%，或者习惯性充到并停留在80%以上的电池组，衰减速度普遍更快。这为业界反复强调的“尽量在中等电量区间使用”的建议，提供了更具体的数据支持。</div><div><br></div><div> 车辆类型与使用场景同样拉开了差距。在多功能车与配送货车等车型中，由于常年负载较重、工况更激烈，其平均年容量衰减约为2.7%，明显高于普通乘用车约2%的水平。不过，无论是家用轿车还是商用车辆，一个简单结论在所有类别中都成立：充得越快、环境越热，电池在长期中“交出的”容量就越多。</div><div><br></div><div> 值得注意的是，这份分析并非在劝阻车主完全放弃使用高速充电网络。对于长途出行而言，二三十分钟补能重返路面的便利性仍是电动出行模式得以成立的基础之一。研究更想传递的信号是：这种便利背后存在可量化的寿命代价，而适度克制、减少不必要的超快充、避免极端温度下高功率充电，并将日常补能更多交给中低功率方式，足以在多年用车周期内为电池多争取一部分健康余量。</div><div><br></div><div><p microsoft="" yahei",="" simsun;="" background-color:="" rgb(255,="" 255,="" 255);="" text-align:="" center;"="" 255);"="" center;="" style="word-wrap: normal; margin: 0px; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma, "Microsoft Yahei", Simsun; text-align: center; background-color: rgb(255, 255, 255);"><a href="http://www.oecr.com/data/attachment/portal/202404/12/093958rszee6k8hhykve3w.jpg" target="_blank" style="word-wrap: normal; color: rgb(51, 51, 51); text-decoration: none; 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background-clip: initial; color: rgb(55, 55, 55); font-family: 宋体; text-indent: 2em;"><span data-index="10" style="word-wrap: normal; font-family: 宋体, SimSun;"></span></p><p style="word-wrap: normal; margin-top: 0px; margin-right: 0px; margin-left: 0px; padding: 0px; text-indent: 0em; background-color: rgb(255, 255, 255); color: rgb(68, 68, 68); font-family: 微软雅黑; border: 0px; list-style: none; font-size: 16px; line-height: 1.5em; text-align: center; margin-bottom: 26px !important;"><span lang="zh-CN" style="word-wrap: normal; margin-top: 0px; margin-right: 0px; margin-left: 0px; padding: 0px; border: 0px; list-style: none; line-height: 1.5em; margin-bottom: 26px !important;"></span></p><p style="word-wrap: normal; margin-top: 0px; margin-right: 0px; margin-left: 0px; padding: 0px; text-indent: 0em; background-color: rgb(255, 255, 255); border: 0px; list-style: none; font-size: 16px; line-height: 1.5em; font-family: 微软雅黑; color: rgb(68, 68, 68); text-align: center; margin-bottom: 26px 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margin-left: 0px; padding: 0px; border: 0px; list-style: none; line-height: 1.5em; margin-bottom: 26px !important;"></span></span></p><p microsoft="" yahei",="" simsun;="" text-indent:="" 0em;="" line-height:="" 2em;="" text-align:="" center;="" direction:="" ltr;="" background-image:="" initial;="" background-position:="" background-size:="" background-repeat:="" background-attachment:="" background-origin:="" background-clip:="" initial;"="" style="word-wrap: normal; margin: 0.11in 0px 0in; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma, "Microsoft Yahei", Simsun; background-color: rgb(255, 255, 255);"><span data-index="10" style="word-wrap: normal; font-family: 宋体, SimSun;"></span></p><p microsoft="" yahei",="" simsun;="" background-color:="" rgb(255,="" 255,="" 255);="" overflow-wrap:="" normal;="" border:="" 0px="" currentcolor;="" line-height:="" 2;="" text-indent:="" 2em;"="" 255);"="" text-align:="" start;="" simsun;"="" style="word-wrap: normal; margin: 0px; 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href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=5&idtype=aid&id=10442&hash=ae8b831330088c47d6f5646363462084&handlekey=clickhandle" id="click_aid_10442_5" onclick="showWindow(this.id, this.href);doane(event);"> <img src="static/image/click/luguo.gif" alt="" /><br />路过</a> </td> </tr> </table> <script type="text/javascript"> function errorhandle_clickhandle(message, values) { if(values['id']) { showCreditPrompt(); show_click(values['idtype'], values['id'], values['clickid']); } } </script> </div> <!--[diy=diycontentclickbottom]--><div id="diycontentclickbottom" class="area"></div><!--[/diy]--> </div> <div class="o cl ptm pbm"> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=favorite&type=article&id=10442&handlekey=favoritearticlehk_10442" id="a_favorite" onclick="showWindow(this.id, this.href, 'get', 0);" class="oshr ofav">收藏</a> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=share&type=article&id=10442&handlekey=sharearticlehk_10442" id="a_share" onclick="showWindow(this.id, this.href, 'get', 0);" class="oshr">分享</a> <a href="misc.php?mod=invite&action=article&id=10442" id="a_invite" onclick="showWindow('invite', this.href, 'get', 0);" class="oshr oivt">邀请</a> <div id="bdshare" class="bdshare_t bds_tools get-codes-bdshare"> <span class="bds_more"></span> <a class="bds_qzone"></a> <a class="bds_tsina"></a> <a class="bds_tqq"></a> <a class="bds_renren"></a> <a class="bds_t163"></a> </div> </div> <div class="pren pbm cl"> <em>上一篇：<a href="http://www.oecr.com/portal.php?mod=view&aid=10438">光影间的精准尺规：光斑分析仪在条形码扫描中的深度应用</a></em><em>下一篇：<a href="http://www.oecr.com/portal.php?mod=view&aid=10443">精准定义每一束光！解析光斑分析仪在投影显示行业主的应用</a></em> <!-- Baidu Button BEGIN --> <script type="text/javascript" id="bdshare_js" data="type=tools&uid=0" ></script> <script type="text/javascript" id="bdshell_js"></script> <script type="text/javascript"> document.getElementById("bdshell_js").src = "http://bdimg.share.baidu.com/static/js/shell_v2.js?cdnversion=" + 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<!--[diy=diycontentrelate]--><div id="diycontentrelate" class="area"></div><!--[/diy]--> <div id="comment" class="bm"> <div class="bm_h cl"> <a href="javascript:;" class="y xi2" onclick="location.href=location.href.replace(/(\#.*)/, '')+'#cform';$('message').focus();return false;">发表评论</a> <h3>最新评论</h3> </div> <div id="comment_ul" class="bm_c"> <p class="ptm pbm"><a href="http://www.oecr.com/portal.php?mod=comment&id=10442&idtype=aid" class="xi2">查看全部评论(<em id="_commentnum">5</em>)</a></p><form id="cform" name="cform" action="portal.php?mod=portalcp&ac=comment" method="post" autocomplete="off"> <div class="tedt"> <div class="area"> <textarea name="message" rows="3" class="pt" id="message" onkeydown="ctrlEnter(event, 'commentsubmit_btn');"></textarea> </div> </div> <div class="mtm"><span id="secqaa_qSyNilq9"></span> <script type="text/javascript" reload="1">updatesecqaa('qSyNilq9', '<sec> <span id="sec<hash>" onclick="showMenu(this.id);"><sec></span><div id="sec<hash>_menu" class="p_pop 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name="comment_anchor_36727"></a> <dl id="comment_36727_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36727, '10442');">引用</a> </span> <a href="http://club.oecr.com/space-uid-34738.html" class="xi2 xw1" c="1">lukeding</a> <span class="xg1 xw0">2026-2-10 11:24</span> </dt> <dd>我是个凑数的。。。</dd> </dl><a name="comment_anchor_36726"></a> <dl id="comment_36726_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36726, '10442');">引用</a> </span> <a href="http://club.oecr.com/space-uid-14853.html" class="xi2 xw1" c="1">wzlcust</a> <span class="xg1 xw0">2026-2-10 10:54</span> </dt> <dd>光电工程师社区是个好地方</dd> </dl><a name="comment_anchor_36725"></a> <dl id="comment_36725_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36725, '10442');">引用</a> </span> <a href="http://club.oecr.com/space-uid-39576.html" class="xi2 xw1" c="1">一叶枫</a> <span class="xg1 xw0">2026-2-10 10:24</span> </dt> <dd>还不错，仔细瞧瞧。</dd> </dl><a name="comment_anchor_36724"></a> <dl id="comment_36724_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36724, '10442');">引用</a> </span> <a href="http://club.oecr.com/space-uid-37708.html" class="xi2 xw1" c="1">wuyacaiku</a> <span class="xg1 xw0">2026-2-10 09:54</span> </dt> <dd>路过 帮顶 嘿嘿</dd> </dl><a name="comment_anchor_36723"></a> <dl id="comment_36723_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36723, '10442');">引用</a> </span> <a href="http://club.oecr.com/space-uid-74886.html" class="xi2 xw1" c="1">ccdd</a> <span class="xg1 xw0">2026-2-10 09:24</span> </dt> <dd>一天一天又是一天。</dd> </dl></div> </div> <!--[diy=diycontentcomment]--><div id="diycontentcomment" 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