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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uqa9oca" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/whgrs888/637153146171748047/2780.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="g3hv36u" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣東進(jìn)口電池綜合測(cè)試儀,電池</p><p><span>***更新：</span>2021-01-28 05:03:42</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="iotxjyi" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">武漢格瑞斯新能源有限公司</a></p><p><span>聯(lián)系人：</span>陸小娜</p><p><span>郵箱: </span>cxg@grsxny.com</p><p><span>電話: </span>13517293928</p><p><span>傳真: </span>027_63499883</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>027-63499883</p><p><span>地址: </span>光谷大道3號(hào)激光工程設(shè)計(jì)總部二期研發(fā)樓06幢06單元15層5號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="6cd3ey7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ssh8xau" class="box"><p><p> <span style="font-size:16px;"> 電池倍率充放電測(cè)試一般分為3 種形式，相同倍率充電不同倍率放電、不同倍率充電相同倍率放電和不同的倍率充放電測(cè)試，廣東進(jìn)口電池綜合測(cè)試儀。下面以充放電電壓窗口為3.0～4.2 V 的扣式電池測(cè)試為例進(jìn)行介紹。</span> </p> <p> <span style="font-size:16px;"> 電池連接測(cè)試儀器并置于穩(wěn)態(tài)環(huán)境中，靜置5 min;以0.5 C 電流放電至3.0 V，靜置10 min 后以0.5 C 恒流充電至4.2 V，在4.2 V 恒壓至電流下降為0.05 C 截止，然后以不同形式進(jìn)行倍率充放電測(cè)試。</span> </p> <p> <span style="font-size:16px;"> 相同倍率充電不同倍率放電的實(shí)驗(yàn)流程為：靜置5 min 后以不同的倍率放電至3.0 V，廣東進(jìn)口電池綜合測(cè)試儀，并記錄放電容量，靜置10 min 后以0.5 C 恒流充電至4.2 V，在4.2 V 恒壓至電流下降為0.05 C 截止。不同倍率充電相同倍率放電的實(shí)驗(yàn)流程為：靜置5 min 后，以0.5 C 倍率恒流放電至3.0 V，靜置10 分鐘，然后以不同倍率恒流充電至4.2 V，在4.2 V恒壓至電流下降為0，廣東進(jìn)口電池綜合測(cè)試儀.05 C 截止。</span> </p> <p> <span style="font-size:16px;"> 不同的倍率充放電的實(shí)驗(yàn)流程為：靜置5 min后，以不同的倍率恒流放電至3.0 V，靜置10 min，然后以相同的倍率(電流)進(jìn)行恒流充電至4.2 V，在4.2 V 恒壓至電流下降為0.05 C 截止。</span> </p> <p> <span style="font-size:16px;"> 根據(jù)測(cè)試形式，改變不同的倍率重復(fù)上述某個(gè)實(shí)驗(yàn)流程，充放電倍率由低到高(一般為0.2 C、0.5 C、1 C、2 C 以及5 C 等更高倍率)。建議相同倍率充放電循環(huán)5～10 次。</span> 武漢格瑞斯新能源有限公司，為了滿足高校和電池研發(fā)中心，相關(guān)產(chǎn)品有切片機(jī)、焊接機(jī)、電池檢測(cè)等設(shè)備。廣東進(jìn)口電池綜合測(cè)試儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東進(jìn)口電池綜合測(cè)試儀,電池" src="http://tyunfile.71360.com/UploadFile/whgrs888/637153146171748047/2780.png"></div><p> <span style="font-size:16px;">應(yīng)對(duì)鋰電池安全的大敵“枝晶”</span> </p> <p> <span style="font-size:16px;">我們都知道，電池分為正極、負(fù)極和電解質(zhì)，通過氧化還原反應(yīng)來產(chǎn)生電流，放電時(shí)離子從負(fù)極流向正極，充電時(shí)從正極流向負(fù)極。</span> </p> <p> <span style="font-size:16px;">對(duì)鋰電池來說，放電時(shí)鋰會(huì)被氧化成離子進(jìn)入電解質(zhì)終抵達(dá)正極；重新充電時(shí)，這些鋰離子會(huì)再沉積到鋰金屬負(fù)極的表面。</span> </p> <p> <span style="font-size:16px;">但是這種沉積往往不均勻，隨著鋰電池的頻繁使用，鋰金屬表面會(huì)長(zhǎng)出針狀或樹枝狀的鋰枝晶。枝晶生長(zhǎng)得過長(zhǎng)就會(huì)折斷，不再參與反應(yīng)，給電池體系帶來不可逆的容量損失；危險(xiǎn)的是，長(zhǎng)大的枝晶會(huì)刺破電池正負(fù)極之間的隔膜，造成短路，埋下電池過熱自燃或的安全隱患。</span> </p> <p> <span style="font-size:16px;">鋰電領(lǐng)域里，如何做到“魚與熊掌兼得”？如何通過提出新原理、新體系、新方法，實(shí)現(xiàn)能量密度更高、更安全、充電更快的儲(chǔ)能過程？這些都是鋰電領(lǐng)域未來面臨的挑戰(zhàn)。</span> </p> <p> <span style="font-size:16px;">在這樣的形勢(shì)下，涌現(xiàn)出了鋰硫電池、鋰空電池、鈉離子電池等許多新體系電池。新材料的不斷產(chǎn)生，也給這些新體系的發(fā)展帶來了新機(jī)遇。</span> 武漢高精度電池檢測(cè)哪家好武漢格瑞斯新能源有限公司位于中部城市武漢光谷是一家專業(yè)從事電池檢測(cè)設(shè)備，電池整套實(shí)驗(yàn)設(shè)備的公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東進(jìn)口電池綜合測(cè)試儀,電池" src="http://tyunfile.71360.com/UploadFile/whgrs888/637153146627958984/8838828.png"></div><p> <span style="font-size:16px;">動(dòng)力電池的UN測(cè)試 </span> </p> <p> <span style="font-size:16px;"> 前段時(shí)間中國(guó)香港國(guó)際機(jī)場(chǎng)的鋰電池燃燒事故，特斯拉和蔚來冒煙起火，再次將動(dòng)力電池的安全性與運(yùn)輸問題暴露在公眾眼前，那么為什么會(huì)出現(xiàn)這種事故呢？那就要從鋰電池的特性說起。</span> </p> <p> <span style="font-size:16px;"> 鋰離子電池的基本原理是化學(xué)性質(zhì)活躍的鋰離子在電池的陰極和陽(yáng)極之間的移動(dòng)。準(zhǔn)確地講，充電時(shí)電池陽(yáng)極（cathode）處的鋰氧化物中的電子在外界電場(chǎng)作用下移動(dòng)，通過外部電路終流向陰極（anode），從而是的鋰離子向陰極擴(kuò)散，鋰離子電池中的隔膜的作用就是為了選擇性地透過鋰離子且阻止電子通過，使得充電時(shí)鋰離子會(huì)從陽(yáng)極向陰極移動(dòng)，即在陰極（主要是石墨及粘合劑等材料）嵌鋰（即鋰離子嵌入石墨形成的空隙中，宏觀上形成一種碳理化合物）；放電時(shí)電池的電流方向是電子從陰極向陽(yáng)極移動(dòng)，從而導(dǎo)致陰極電子減少，陽(yáng)極電子增多，從而鋰離子向陽(yáng)極移動(dòng)，即陰極脫鋰，鋰離子的移動(dòng)方向也了電流在電池內(nèi)部的移動(dòng)方向。因此，總而言之，鋰離子移動(dòng)的的動(dòng)力在于外界電位差導(dǎo)致電子的移動(dòng)，從而鋰離子形成定向擴(kuò)散。</span> </p> <p> <span style="font-size:16px;"> </span> </p> <p> <span style="font-size:16px;"> </span> </p><p> <span style="font-size:16px;">鋰電池各種狀態(tài)估計(jì)之間的關(guān)系</span> </p> <p> <p> <span style="font-size:16px;">鋰電池系統(tǒng)龐大，需要電池管理系統(tǒng)的監(jiān)督和優(yōu)化，以維護(hù)其安全性、耐久性和動(dòng)力性。</span> </p> <p> <span style="font-size:16px;"> 電池狀態(tài)估計(jì)</span> </p> <p> <span style="font-size:16px;"> 電池狀態(tài)包括電池溫度、SOC(荷電狀態(tài)估計(jì))、SOH(健康狀態(tài)估計(jì))、SOS(安全狀態(tài)估計(jì))、SOF(功能狀態(tài)估計(jì)) 及SOE(可用能量狀態(tài)估計(jì))。各種狀態(tài)估計(jì)之間的關(guān)系如圖4所示。電池溫度估計(jì)是其他狀態(tài)估計(jì)的基礎(chǔ)，SOC 估計(jì)受到SOH 的影響，SOF 是由SOC、SOH、SOS 以及電池溫度共同確定的，SOE 則與SOC、SOH、電池溫度、未來工況有關(guān)。</span> </p> <p> <span style="font-size:16px;"> </span> </p> <p> <span style="font-size:16px;"> 電池溫度估計(jì)</span> </p> <p> <span style="font-size:16px;"> 溫度對(duì)電池性能影響較大，目前一般只能測(cè)得電池表面溫度，而電池內(nèi)部溫度需要使用熱模型進(jìn)行估計(jì)。常用的電池?zé)崮Ｐ桶憔S模型(集總參數(shù)模型)、一維乃至三維模型。零維模型可以大致計(jì)算電池充放電過程中的溫度變化，估計(jì)精度有限，但模型計(jì)算量小，因此可用于實(shí)時(shí)的溫度估計(jì)。一維、二維及三維模型需要使用數(shù)值方法對(duì)傳熱微分方程進(jìn)行求解，對(duì)電池進(jìn)行網(wǎng)格劃分，計(jì)算電池的溫度場(chǎng)分布，同時(shí)還需考慮電池結(jié)構(gòu)對(duì)傳熱的影響(結(jié)構(gòu)包括內(nèi)核、外殼、電解液層等)。一維模型中只考慮電池在一個(gè)方向的溫度分布，在其他方向視為均勻。</span> </p> <p> <span style="font-size:16px;"> </span> </p> <p> <br /> </p> <span style="font-size:16px;"></span> 雙工位單面實(shí)驗(yàn)室手套箱，同時(shí)還可分別與氣體凈化系統(tǒng)、溶劑過濾系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東進(jìn)口電池綜合測(cè)試儀,電池" src="http://tyunfile.71360.com/UploadFile/whgrs888/637153146631191406/370372.png"></div><p> <strong><span style="font-size:18px;">鈉硫電池</span></strong> </p> <p> <span style="font-size:16px;"></span><span style="font-size:16px;"></span><span style="font-size:16px;">通常情況下，鈉硫電池由正極、負(fù)極、電解質(zhì)、隔膜和外殼組成，與一般二次電池（鉛酸電池、鎳鎘電池等）不同，鈉硫電池是由熔融電極和固體電解質(zhì)組成，負(fù)極的活性物質(zhì)為熔融金屬鈉，正極活性物質(zhì)為液態(tài)硫和多硫化鈉熔鹽。鈉硫電池（NaS）作為一種新型化學(xué)電源，自問世以來已有了很大發(fā)展。鈉硫電池體積小、容量大、壽命長(zhǎng)、效率高，在電力儲(chǔ)能中廣泛應(yīng)用于削峰填谷、應(yīng)急電源、風(fēng)力發(fā)電等儲(chǔ)能方面</span><span style="font-size:16px;">。</span><span style="font-size:16px;">通常情況下，鈉硫電池由正極、負(fù)極、電解質(zhì)、隔膜和外殼組成，與一般二次電池（鉛酸電池、鎳鎘電池等）不同，鈉硫電池是由熔融電極和固體電解質(zhì)組成，負(fù)極的活性物質(zhì)為熔融金屬鈉，正極活性物質(zhì)為液態(tài)硫和多硫化鈉熔鹽。</span><span style="font-size:16px;"></span> 武漢格瑞斯新能源有限公司，多功能電池測(cè)試系統(tǒng)為你們的產(chǎn)品測(cè)試帶來的便利及產(chǎn)品品質(zhì)的改進(jìn)。上?？蒲须姵貦z測(cè)儀</p><p style="text-indent:25px">武漢格瑞斯新能源有限公司，武漢電池性能測(cè)試設(shè)備品牌供應(yīng)商！廣東進(jìn)口電池綜合測(cè)試儀</p><p> 武漢格瑞斯新能源有限公司，是一家專業(yè)從事電池檢測(cè)設(shè)備，電化學(xué)工作站和電池整套實(shí)驗(yàn)設(shè)備的廠家。公司主營(yíng)項(xiàng)目產(chǎn)品有：1、電池檢測(cè)設(shè)備；2、電池實(shí)驗(yàn)設(shè)備；3、電化學(xué)工作站；4、手套箱；5、除濕機(jī)、轉(zhuǎn)輪除濕機(jī)；6、紐扣電池封口機(jī)；7、對(duì)輥機(jī)；8、涂布機(jī)；9、電池測(cè)試系統(tǒng)；10、鋰電池實(shí)驗(yàn)線；11、鋰電池中試線；12、凈化間；13、干燥房等。 </p> <p> 公司集研發(fā)，生產(chǎn)，銷售于一體，專業(yè)生產(chǎn)電池檢測(cè)設(shè)備。公司主要面向電池客戶，電機(jī)客戶，車整車行業(yè)客戶提供實(shí)驗(yàn)室測(cè)試整體配套解決方案。電化學(xué)工作站就找武漢格瑞斯，性能穩(wěn)定，質(zhì)量?jī)?yōu)，具有穩(wěn)定性和精確度先進(jìn)的硬件和功能完善的軟件。武漢格瑞斯加工設(shè)備先進(jìn)，制造工藝精湛，雄厚的技術(shù)實(shí)力與良好的售后服務(wù)。品質(zhì)保證，售后服務(wù)好，歡迎您來電咨詢！廣東進(jìn)口電池綜合測(cè)試儀</p><p style="text-indent:25px">武漢格瑞斯新能源有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來、有夢(mèng)想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)圖，在湖北省武漢市等地區(qū)的能源行業(yè)中積累了大批忠誠(chéng)的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將**武漢格瑞斯和您一起攜手步入輝煌，共創(chuàng)佳績(jī)，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠(chéng)實(shí)守信的方針，員工精誠(chéng)努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場(chǎng)，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3043794.html</p></div></div></div></div></div><div id="8txp2ed" class="page-right twoColRt"><div id="b9jmp3o" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="j3s7us4" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 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