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鋰(li)電池干熱(re)風(feng)沖擊(ji)烘(hong)(hong)(hong)(hong)干工(gong)藝(yi)是(shi)一種(zhong)(zhong)先進的鋰(li)電池烘(hong)(hong)(hong)(hong)干技術，具有烘(hong)(hong)(hong)(hong)干效(xiao)率高(gao)、烘(hong)(hong)(hong)(hong)干時間(jian)短、烘(hong)(hong)(hong)(hong)干效(xiao)果好等優點(dian)。本文將詳細介紹鋰(li)電池干熱(re)風(feng)沖擊(ji)烘(hong)(hong)(hong)(hong)干工(gong)藝(yi)的原理、特點(dian)、應用及前景。 一、鋰(li)電池干熱(re)風(feng)沖擊(ji)烘(hong)(hong)(hong)(hong)干工(gong)藝(yi)的原理 鋰(li)電池干熱(re)風(feng)沖擊(ji)烘(hong)(hong)(hong)(hong)干工(gong)藝(yi)是(shi)一種(zhong)(zhong)利用高(gao)溫、高(gao)速、干燥的氣(qi)流對鋰(li)電池進行烘(hong)(hong)(hong)(hong)干的工(gong)藝(yi)。其原理是(shi)將空氣(qi)或(huo)氮...

目前市(shi)場上鋰電(dian)池產品(pin)基(ji)本上都(dou)是(shi)使用疊(die)片(pian)電(dian)池工(gong)(gong)藝和(he)(he)卷(juan)繞(rao)電(dian)池工(gong)(gong)藝這兩種生產制造出(chu)來的(de)(de)(de)(de)，而關于疊(die)片(pian)電(dian)池工(gong)(gong)藝和(he)(he)卷(juan)繞(rao)電(dian)池工(gong)(gong)藝哪個更(geng)(geng)好，則是(shi)很(hen)多對(dui)電(dian)池不了解的(de)(de)(de)(de)朋友都(dou)想要知道的(de)(de)(de)(de)答案，其(qi)實到底哪個好，這取決于具體的(de)(de)(de)(de)用途和(he)(he)需求。 以下是(shi)它們在不同方面的(de)(de)(de)(de)比較： 能量密度(du)：疊(die)片(pian)電(dian)池的(de)(de)(de)(de)能量密度(du)更(geng)(geng)高。由于疊(die)片(pian)電(dian)池的(de)(de)(de)(de)電(dian)芯(xin)更(geng)(geng)加...

鋰離(li)子(zi)電池化(hua)(hua)成工(gong)藝是(shi)(shi)(shi)指(zhi)鋰離(li)子(zi)電池第一(yi)次充電的(de)(de)(de)過程(cheng)，目的(de)(de)(de)是(shi)(shi)(shi)使(shi)電池具(ju)有電化(hua)(hua)學(xue)活性。化(hua)(hua)成是(shi)(shi)(shi)在負(fu)極表面形成一(yi)層(ceng)固(gu)體電解質(zhi)界面膜(mo)(SEI膜(mo))，SEI膜(mo)具(ju)有固(gu)體電解質(zhi)性質(zhi)，是(shi)(shi)(shi)電子(zi)絕緣體。但(dan)這種(zhong)SEI膜(mo)卻是(shi)(shi)(shi)Li+的(de)(de)(de)優良導體，Li+能夠自(zi)由地通過SEI膜(mo)。SEI膜(mo)的(de)(de)(de)重要成分是(shi)(shi)(shi)Li2CO3、LiF、LiOH、ROCO2Li、ROLi等物(wu)質(zhi)。SEI膜(mo)的(de)(de)(de)質(zhi)量與(yu)化(hua)(hua)成的(de)(de)(de)...

鋰電(dian)池(chi)的(de)生產制造(zao)過程中有很多個(ge)工藝環節(jie)都(dou)對(dui)產出的(de)電(dian)芯性能有影(ying)(ying)響，其中在疊(die)片(pian)(pian)工藝環節(jie)中，對(dui)產出的(de)鋰電(dian)池(chi)成品(pin)性能質量影(ying)(ying)響較(jiao)大(da)，下面就對(dui)該環節(jie)對(dui)電(dian)池(chi)的(de)影(ying)(ying)響做簡單的(de)介紹吧。 疊(die)片(pian)(pian)指的(de)是(shi)將(jiang)模(mo)切工序(xu)中制作的(de)單體極片(pian)(pian)疊(die)成電(dian)芯。通常來(lai)說(shuo)，卷繞用(yong)于方形(xing)和圓柱電(dian)池(chi)，疊(die)片(pian)(pian)用(yong)于方形(xing)和軟包電(dian)池(chi)。根(gen)據 GGII 測算數(shu)據，在鋰電(dian)設...

軟包聚(ju)合物鋰(li)(li)電池(chi)在(zai)(zai)生(sheng)(sheng)產(chan)制造(zao)過程中，有(you)(you)時(shi)候在(zai)(zai)封頂的時(shi)候，會出(chu)現起(qi)(qi)皺或(huo)者漏(lou)(lou)液的情況(kuang)，這(zhe)個不(bu)僅會讓電池(chi)產(chan)品(pin)外觀難看，而且有(you)(you)可(ke)能造(zao)成不(bu)良品(pin)。那(nei)么軟包聚(ju)合物鋰(li)(li)電池(chi)封頂工(gong)藝(yi)出(chu)現起(qi)(qi)皺或(huo)漏(lou)(lou)液怎么回事呢？ 1、軟包鋰(li)(li)電池(chi)頂封起(qi)(qi)皺的原因(yin) 聚(ju)合物鋰(li)(li)電池(chi)生(sheng)(sheng)產(chan)在(zai)(zai)頂側封工(gong)序發生(sheng)(sheng)起(qi)(qi)皺是常(chang)見的不(bu)良現象(xiang)，以下列(lie)出(chu)造(zao)成的原因(yin)與相應解決(jue)...

從鋰(li)(li)離(li)子(zi)(zi)電(dian)池(chi)(chi)(chi)電(dian)芯的(de)制(zhi)(zhi)(zhi)造到(dao)電(dian)池(chi)(chi)(chi)PACK成(cheng)組(zu)，焊(han)(han)(han)接(jie)(jie)都是一(yi)道(dao)很緊要的(de)制(zhi)(zhi)(zhi)造工(gong)序(xu)，焊(han)(han)(han)接(jie)(jie)工(gong)藝(yi)質(zhi)量的(de)好(hao)壞(huai)，直接(jie)(jie)影(ying)(ying)響(xiang)鋰(li)(li)離(li)子(zi)(zi)電(dian)池(chi)(chi)(chi)的(de)導(dao)電(dian)性(xing)(xing)、強度、氣密性(xing)(xing)、金(jin)屬疲勞和耐腐蝕性(xing)(xing)，是典型的(de)電(dian)池(chi)(chi)(chi)焊(han)(han)(han)接(jie)(jie)質(zhi)量評價標(biao)準。焊(han)(han)(han)接(jie)(jie)辦法(fa)和焊(han)(han)(han)接(jie)(jie)工(gong)藝(yi)的(de)選用，將影(ying)(ying)響(xiang)鋰(li)(li)離(li)子(zi)(zi)電(dian)池(chi)(chi)(chi)的(de)成(cheng)本(ben)、質(zhi)量、安全以及鋰(li)(li)離(li)子(zi)(zi)電(dian)池(chi)(chi)(chi)的(de)一(yi)致性(xing)(xing)好(hao)壞(huai)。 由此(ci)可見，鋰(li)(li)電(dian)池(chi)(chi)(chi)生產制(zhi)(zhi)(zhi)造過程(cheng)...

目(mu)前(qian)動力電(dian)池(chi)電(dian)芯生產制造工(gong)藝(yi)主要有疊片工(gong)藝(yi)和(he)卷繞(rao)工(gong)藝(yi)這(zhe)兩種，如果是(shi)鋼殼圓柱外殼的，是(shi)卷繞(rao)工(gong)藝(yi)，如果是(shi)鋁殼或鋁朔膜軟包外殼的，一般情況下是(shi)疊片工(gong)藝(yi)，有少部分小型電(dian)芯是(shi)卷繞(rao)的。 工(gong)藝(yi)其實和(he)電(dian)池(chi)的形狀是(shi)直接(jie)相關的。卷繞(rao)工(gong)藝(yi)是(shi)從圓柱電(dian)池(chi)開始(shi)使用的，核(he)心特點就是(shi)生產效率高，成本低(di)，在(zai)(zai)寧德時代(dai)在(zai)(zai)采用多卷芯在(zai)(zai)電(dian)...

紐(niu)扣(kou)鋰電池(chi)(chi)因為(wei)(wei)其優秀的(de)可循環充放電性(xing)能(neng)(neng)、體積小容量大(da)和(he)環保等性(xing)能(neng)(neng)，廣泛應用到了無線耳機、智能(neng)(neng)手(shou)表、檢(jian)測(ce)儀(yi)器(qi)等產品，那么紐(niu)扣(kou)鋰電池(chi)(chi)生產工(gong)藝步驟(zou)是怎(zen)么樣的(de)呢(ni)？ 紐(niu)扣(kou)鋰電池(chi)(chi)生產制(zhi)造(zao)主要分為(wei)(wei)三個步驟(zou): 一(yi)、紐(niu)扣(kou)鋰電池(chi)(chi)原材(cai)(cai)料配(pei)比制(zhi)造(zao) 1.用回轉爐燒結制(zhi)備(bei)活性(xing)材(cai)(cai)料 2.對(dui)制(zhi)備(bei)好(hao)的(de)材(cai)(cai)料進(jin)行混(hun)合和(he)粉磨 3.對(dui)配(pei)制(zhi)好(hao)的(de)正負極...

鋰電(dian)池(chi)(chi)生產制造是一個復雜的(de)過(guo)程，其中(zhong)干法(fa)制漿(jiang)(jiang)的(de)工(gong)藝就很考驗(yan)工(gong)人的(de)技術經驗(yan)，這個流程首先將活物質、導電(dian)劑(ji)等粉(fen)末物質在一定(ding)速度(du)下進行(xing)預混合(he)。混合(he)完(wan)了之(zhi)后加(jia)入粘(zhan)結劑(ji)，進行(xing)混合(he)攪(jiao)拌，逐步加(jia)入溶劑(ji)進行(xing)混合(he)、分散，最后加(jia)入一定(ding)量溶劑(ji)進行(xing)稀釋調節到涂布所需(xu)要的(de)粘(zhan)度(du)。在干法(fa)制漿(jiang)(jiang)工(gong)藝中(zhong)，鋰離子電(dian)池(chi)(chi)漿(jiang)(jiang)料(liao)的(de)混合(he)分散過(guo)...

全鋰電池工(gong)藝(yi)疊(die)片系(xi)數數據的(de)(de)重要(yao)性對電池研發(fa)不(bu)言而喻。那么如(ru)何(he)做全鋰電池工(gong)藝(yi)疊(die)片系(xi)數數據？很(hen)多(duo)科研者并(bing)未曾深入到(dao)電芯生產的(de)(de)第一(yi)線長時間工(gong)作，故在此方面并(bing)無很(hen)多(duo)經驗。即使懂一(yi)些基本工(gong)藝(yi)，但是對于實驗室研發(fa)的(de)(de)不(bu)同材料，工(gong)藝(yi)參數又是千差萬別。由于軟包電池市場(chang)比重大(da)，更(geng)能反映電池材料的(de)(de)性能，因此我們只關注...

鋰(li)(li)離(li)子(zi)電(dian)(dian)(dian)(dian)池集流體(ti)(ti)(ti)通常使(shi)用(yong)的(de)(de)正(zheng)極(ji)是(shi)(shi)鋁箔(bo)，負極(ji)集流體(ti)(ti)(ti)是(shi)(shi)銅箔(bo)，為(wei)了保證鋰(li)(li)離(li)子(zi)電(dian)(dian)(dian)(dian)池集流體(ti)(ti)(ti)在(zai)電(dian)(dian)(dian)(dian)池內部穩定性，二者純度都要(yao)(yao)求在(zai)98%以上。隨著(zhu)鋰(li)(li)電(dian)(dian)(dian)(dian)技術的(de)(de)不斷發展，無(wu)論(lun)是(shi)(shi)用(yong)于數碼產(chan)品的(de)(de)鋰(li)(li)電(dian)(dian)(dian)(dian)池還(huan)是(shi)(shi)電(dian)(dian)(dian)(dian)動汽車的(de)(de)電(dian)(dian)(dian)(dian)池，我們都希望(wang)電(dian)(dian)(dian)(dian)池的(de)(de)能量密(mi)度盡量高，電(dian)(dian)(dian)(dian)池的(de)(de)重量越來越輕，而在(zai)鋰(li)(li)離(li)子(zi)電(dian)(dian)(dian)(dian)池集流體(ti)(ti)(ti)這塊最主要(yao)(yao)就是(shi)(shi)降低集流體(ti)(ti)(ti)的(de)(de)厚度和(he)...

磷(lin)(lin)酸(suan)鐵(tie)鋰電池的生(sheng)產制造流程(cheng)與(yu)其他鋰電池生(sheng)產工(gong)(gong)藝(yi)(yi)流程(cheng)圖(tu)差不多，鋰電池生(sheng)產工(gong)(gong)藝(yi)(yi)有(you)兩(liang)(liang)種(zhong)，因此磷(lin)(lin)酸(suan)鐵(tie)鋰電池生(sheng)產工(gong)(gong)藝(yi)(yi)流程(cheng)圖(tu)就有(you)兩(liang)(liang)種(zhong)，它們分別是卷繞式工(gong)(gong)藝(yi)(yi)和疊片(pian)式工(gong)(gong)藝(yi)(yi)。這兩(liang)(liang)種(zhong)工(gong)(gong)藝(yi)(yi)除了在電芯極(ji)片(pian)堆疊步驟(zou)不同之(zhi)外(wai)，其他的基本相同。下面(mian)就來(lai)看看這兩(liang)(liang)種(zhong)生(sheng)產工(gong)(gong)藝(yi)(yi)的流程(cheng)圖(tu)怎么樣吧： 磷(lin)(lin)酸(suan)鐵(tie)鋰電池疊片(pian)式生(sheng)產工(gong)(gong)藝(yi)(yi)流程(cheng)圖(tu)： 疊...

電(dian)池的(de)(de)(de)設(she)計(ji)，最重要(yao)的(de)(de)(de)是(shi)能(neng)符合客(ke)戶的(de)(de)(de)要(yao)求，針(zhen)對(dui)(dui)不(bu)同的(de)(de)(de)用途(tu)，功能(neng)，設(she)計(ji)出相應的(de)(de)(de)電(dian)池。目(mu)前常見的(de)(de)(de)電(dian)子產品有(you)：藍牙(ya)耳機(ji)MP3-MP4普通手機(ji)3G手機(ji)筆記本航模(mo)玩(wan)具(ju)電(dian)動工具(ju)電(dian)動自行車。對(dui)(dui)于不(bu)同的(de)(de)(de)產品，在其電(dian)池的(de)(de)(de)設(she)計(ji)上(shang)我們可(ke)以從幾個(ge)方(fang)(fang)面來考慮： 1、安(an)全(quan)無論是(shi)用于那方(fang)(fang)面的(de)(de)(de)電(dian)池，首當(dang)其充是(shi)的(de)(de)(de)安(an)全(quan)，確(que)保電(dian)池在使用和儲存過(guo)程...

1、鋰電(dian)池(chi)(chi)的超聲波(bo)金(jin)屬(shu)點焊(han)(han)(han) 因電(dian)鋰電(dian)池(chi)(chi)電(dian)芯正(zheng)極極耳為(wei)鋁(lv)帶，無法直接(jie)錫焊(han)(han)(han)，故需加接(jie)鎳(nie)帶，通常采(cai)用(yong)超聲波(bo)金(jin)屬(shu)點焊(han)(han)(han)方(fang)法：利用(yong)超聲波(bo)產(chan)(chan)生(sheng)高頻振蕩使兩(liang)金(jin)屬(shu)片之間(jian)摩擦局部(bu)產(chan)(chan)生(sheng)高熱，而溶(rong)合(he)連接(jie)起來(lai)。頻率(lv)：20K~35KHZ時(shi)間(jian)約：0.3/S 金(jin)屬(shu)超聲波(bo)焊(han)(han)(han)機注(zhu)意選擇(ze)適宜的焊(han)(han)(han)接(jie)設備。注(zhu)意使用(yong)適當(dang)的焊(han)(han)(han)接(jie)參數。 防止正(zheng)極鋁(lv)帶過焊(han)(han)(han)，否則...

18650鋰電(dian)(dian)池(chi)卷繞(rao)步驟工藝要注(zhu)意的(de)問題(ti) 1、濕(shi)度控制(zhi)≤1%RH目(mu)的(de) 防止正負極(ji)片(pian)卷繞(rao)過程中吸水(shui)，導致零(ling)電(dian)(dian)壓(ya)、自(zi)放(fang)電(dian)(dian)、循環性能(neng)差； 方(fang)法：計算露點值(zhi)和溫度值(zhi)得出溫濕(shi)度值(zhi)； 2、粉塵控制(zhi)≤100，000pc/ft3（檢(jian)測粒徑為0.5um） 目(mu)的(de)：防止粉塵在卷繞(rao)時(shi)卷入極(ji)組導致電(dian)(dian)芯(xin)短路(lu)、過熱、起火、自(zi)放(fang)電(dian)(dian)等(deng)不良(liang)； 方(fang)法：使(shi)用粉塵測試(shi)儀； ...

鋰電池加(jia)(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi) 鋰電池加(jia)(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)目(mu)前主要流行(xing)兩種(zhong)，一種(zhong)是疊片(pian)(pian)式(shi)(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)生產(chan)工(gong)(gong)(gong)藝(yi)，另一種(zhong)是卷繞(rao)式(shi)(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)生產(chan)工(gong)(gong)(gong)藝(yi)，這兩種(zhong)電池加(jia)(jia)(jia)工(gong)(gong)(gong)生產(chan)方法各有優(you)點和缺點。具體詳細內容(rong)如下(xia)： 1、鋰電池疊片(pian)(pian)式(shi)(shi)(shi)加(jia)(jia)(jia)工(gong)(gong)(gong)生產(chan)工(gong)(gong)(gong)藝(yi) （1）優(you)點 1）同等容(rong)量需(xu)求下(xia)，疊片(pian)(pian)工(gong)(gong)(gong)藝(yi)在(zai)體積(ji)和重(zhong)量要比卷繞(rao)式(shi)(shi)(shi)工(gong)(gong)(gong)藝(yi)小； 2）電池可以做得更小和更薄； 3）形(xing)狀不(bu)受限制(zhi)...