2023-03-30
随(sui)着季节变迁,全国各地的(de)气温(wen)开始逐渐回升(sheng),一转眼(yan)炎热的(de)夏天(tian)即(ji)将到来,那么高(gao)温(wen)情(qing)况下使(shi)用电(dian)池有哪些注意(yi)事项呢?为了(le)大家更安全高(gao)效的(de)使(shi)用锂电(dian)池,今天(tian)山木新能源管先生给到介(jie)绍下夏天(tian)使(shi)用电(dian)池的(de)注意(yi)事项。
有很多人喜欢平时携带充(chong)电(dian)宝(bao)笔记本电(dian)脑放在车(che)里,这种行为(wei)十分危(wei)险。根据山木(mu)新能(neng)源管先生(sheng)(sheng)的介绍高(gao)温(wen)(wen)会降低锂离(li)子(zi)电(dian)池的容(rong)量,特别(bie)是(shi)现在数码产品内(nei)(nei)部设(she)计(ji)紧凑,空间(jian)狭小(xiao)。元器件之间(jian)会产生(sheng)(sheng)热量,相(xiang)互影响。温(wen)(wen)度(du)过高(gao)会导致锂电(dian)池内(nei)(nei)部温(wen)(wen)度(du)不稳定,特别(bie)是(shi)锂电(dian)池在充(chong)放电(dian)使用过程中,本身也会产生(sheng)(sheng)热量。会进一步提(ti)升电(dian)池的温(wen)(wen)度(du)。
山(shan)木新能源管先生表(biao)示(shi)在高温下,锂(li)离子(zi)电(dian)池(chi)的(de)(de)锂(li)电(dian)解(jie)液LiPF6会(hui)发(fa)生热分解(jie)出现(xian)PF5,与电(dian)解(jie)液中的(de)(de)水进一(yi)步(bu)水解(jie)出现(xian)HF。同时锂(li)电(dian)池(chi)中的(de)(de)锰(meng)(meng)酸锂(li)会(hui)分解(jie)反应(ying),形成无序的(de)(de)化学(xue)结(jie)构,进一(yi)步(bu)导(dao)致锂(li)离子(zi)迁移率(lv)的(de)(de)降低,终导(dao)致电(dian)池(chi)失效。来自(zi)正极的(de)(de)锰(meng)(meng)离子(zi)会(hui)被电(dian)解(jie)液分散到(dao)负(fu)极上,然后沉积在负(fu)极上,导(dao)致负(fu)极的(de)(de)性能恶化。
温度过(guo)(guo)高会(hui)(hui)(hui)改变电(dian)(dian)(dian)(dian)池(chi)(chi)内(nei)部压力,电(dian)(dian)(dian)(dian)池(chi)(chi)内(nei)部压力过(guo)(guo)大会(hui)(hui)(hui)导(dao)致(zhi)漏液,电(dian)(dian)(dian)(dian)解液的(de)性质,包括隔(ge)膜形(xing)态(tai)也会(hui)(hui)(hui)变化,有很可能收缩。从而导(dao)致(zhi)内(nei)部短路,严(yan)重的(de)可能会(hui)(hui)(hui)造成热失(shi)控。特(te)别(bie)(bie)在夏天,汽(qi)车(che)本身是(shi)金(jin)属(shu)外壳(qiao),加上(shang)内(nei)部较(jiao)小(xiao)处(chu)于密闭空间,温度攀升速度很快。特(te)别(bie)(bie)经过(guo)(guo)暴晒后(hou)温度往(wang)往(wang)高于车(che)外温度。所以特(te)别(bie)(bie)提醒广(guang)大车(che)主(zhu)不要将锂电(dian)(dian)(dian)(dian)池(chi)(chi)以及(ji)带电(dian)(dian)(dian)(dian)池(chi)(chi)的(de)电(dian)(dian)(dian)(dian)器长时间存放在车(che)内(nei)。
针对特(te)殊产品必(bi)须在(zai)高温环境下工作的(de)锂(li)电(dian)池(chi),深(shen)圳市山(shan)木新能(neng)源(yuan)科技股份有限公司(si)研发了(le)多种型号的(de)耐高温锂(li)电(dian)池(chi),来满足特(te)殊场景的(de)应用。确保了(le)锂(li)电(dian)池(chi)的(de)安全(quan)可靠性。欢迎广大客(ke)户(hu)来厂(chang)洽谈合(he)作。
上一页:为何锂电池在低温环境下续航下降?山木新能源告诉你原因
下一页: 锂电池的分类
锂(li)(li)电(dian)(dian)(dian)池(chi)与铅(qian)酸(suan)电(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)电(dian)(dian)(dian)化学性能比较:1、重量能量密度(du):锂(li)(li)电(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)常见能量密度(du)为200~ 260Wh/g,铅(qian)酸(suan)电(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)能量密度(du)为50~ 70Wh/g,即(ji)锂(li)(li)电(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)能量密度(du)是铅(qian)酸(suan)电(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)3~5倍(bei),在同等重量下(xia),锂(li)(li)电(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)容(rong)量是铅(qian)酸(suan)电(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)3~5倍(bei),所以锂(li)(li)电(dian)(dian)(dian)池(chi)在储能方(fang)面(mian)
锂电池陶(tao)瓷(ci)隔(ge)(ge)膜采用陶(tao)瓷(ci)颗粒(li)包覆(fu),即(ji)以PP、PE或多层(ceng)复合隔(ge)(ge)膜为(wei)基(ji)体,表面包覆(fu)一层(ceng)Al203、SiO2、Mg (OH)2或其(qi)他(ta)优异的耐(nai)热(re)性(xing)无机(ji)陶(tao)瓷(ci)颗粒(li)经特殊工艺(yi)处理(li)后与基(ji)材紧密结(jie)合,使有机(ji)物(wu)的柔韧性(xing)和(he)无机(ji)物(wu)的热(re)稳(wen)定性(xing)稳(wen)定结(jie)合,提高(gao)隔(ge)(ge)膜的耐(nai)高(gao)温性(xing)、耐(nai)热(re)收
方(fang)(fang)形(xing)(xing)锂(li)(li)(li)电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)通常指铝(lv)壳(qiao)或(huo)钢壳(qiao)方(fang)(fang)形(xing)(xing)电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)。方(fang)(fang)形(xing)(xing)锂(li)(li)(li)电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)在中国(guo)的普及率很高。随着(zhe)近年来汽车动力电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的兴(xing)起,汽车续航里程与电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)容量(liang)(liang)之间的矛盾日(ri)益突出。国(guo)内动力锂(li)(li)(li)电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)厂家(jia)多采(cai)用电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)能量(liang)(liang)密度较高的方(fang)(fang)形(xing)(xing)铝(lv)壳(qiao)锂(li)(li)(li)电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi),因为(wei)方(fang)(fang)形(xing)(xing)锂(li)(li)(li)电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的结(jie)构比(bi)较简单,不像圆柱锂(li)(li)(li)电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)采(cai)用高强度
铝壳(qiao)电池表(biao)面(mian)(mian)处理(li)工(gong)艺:1、除(chu)油(you)进行碱(jian)洗(xi)(xi)(xi)是(shi)为(wei)了(le)将铝壳(qiao)电池上的(de)油(you)渍(zi)清理(li)干净。常见(jian)的(de)碱(jian)性洗(xi)(xi)(xi)涤剂是(shi)由Na2CO3、Na3PO4、Na2SiO3和(he)添(tian)加剂组成。主要用(yong)(yong)于(yu)浸(jin)出(chu)和(he)喷淋,也可(ke)用(yong)(yong)于(yu)电解清洗(xi)(xi)(xi)和(he)超声(sheng)波(bo)清洗(xi)(xi)(xi)。2、去除(chu)氧化膜(mo)在铝壳(qiao)电池表(biao)面(mian)(mian)自然(ran)形(xing)成的(de)氧化膜(mo)是(shi)一种不
关(guan)于聚(ju)合(he)物(wu)软(ruan)(ruan)(ruan)包锂电(dian)池(chi)储存,你需要知(zhi)道的件事(shi)是,不能(neng)给(ji)电(dian)池(chi)充(chong)满电(dian),这是为什么呢?因(yin)为聚(ju)合(he)物(wu)软(ruan)(ruan)(ruan)包锂电(dian)池(chi)会发生化(hua)学反应(ying),长(zhang)时(shi)间(jian)充(chong)满电(dian)会增(zeng)强化(hua)学反应(ying)而降(jiang)解电(dian)池(chi),当电(dian)池(chi)膨(peng)胀或(huo)重复使用时(shi),导(dao)致低效率降(jiang)低。另一方面(mian),在3V以(yi)下放电(dian)也会损坏电(dian)池(chi)。将聚(ju)合(he)物(wu)软(ruan)(ruan)(ruan)包锂
钴酸(suan)锂(li)(li)离(li)子(zi)电(dian)(dian)池(chi)组件(jian)的(de)核(he)心材料是(shi)钴和锂(li)(li)。钴酸(suan)锂(li)(li)锂(li)(li)金(jin)属(shu)电(dian)(dian)池(chi)的(de)循环性能与其(qi)材料钴和锂(li)(li)有很大关系。下(xia)面从钴酸(suan)锂(li)(li)离(li)子(zi)电(dian)(dian)池(chi)的(de)工作原(yuan)理出发(fa),深(shen)入了解其(qi)电(dian)(dian)化学性能的(de)优缺点。锂(li)(li)钻酸(suan)的(de)化学式为LiCoO2,是(shi)一(yi)种无机(ji)化合物,一(yi)般用作锂(li)(li)离(li)子(zi)电(dian)(dian)池(chi)的(de)正(zheng)极材料。一(yi)、钴酸(suan)锂(li)(li)离(li)子(zi)电(dian)(dian)