2022-01-11
近日，中(zhong)国铁塔发布2021-2022年(nian)磷酸铁锂换电电池产(chan)品招标(biao)，招标(biao)的(de)预估(gu)规模(mo)为80万(wan)组，折合为(wei)1036.8MWh。中标人数量为4个(ge)，依次对应份(fen)额为40%、25%、20%和15%。其(qi)中电池组(zu)、无线传输模(mo)块、无线天线、电源接口不含税高投标(biao)限(xian)价为1.283元(yuan)/Wh。
投标人需满足在中(zhong)华人民共(gong)和(he)国境内2020年(nian)新能源汽车动(dong)力(li)锂离(li)子电池装(zhuang)机量达到600MWh，或(huo) 2020年1月1日(ri)至(zhi)2021年9月(yue)30日三轮/两轮(lun)低速电动(dong)车(che)动(dong)力(li)锂离子(zi)电池产品单(dan)客(ke)户销售业绩累计总(zong)额(e)达到(dao) 8000万元人民币（含税），2020年(nian)度期末资产总额应不低于1亿元(yuan)人民币，且(qie)通过管(guan)理体系(xi)（ISO9000系(xi)(xi)列质量管理体(ti)系(xi)(xi)或IATF16949系(xi)列汽车(che)行业质量管理体系(xi)）、环境管理体系(xi)（ISO14000系列）、健(jian)康(kang)安全管理体系（OHSAS18000系列或ISO45000系列）认证(zheng)，并具有合法有效的认证(zheng)证(zheng)书，认证(zheng)覆盖的业务范围应包括本次采(cai)购的磷酸(suan)铁(tie)锂电池同类产品的生产或制造。目前山木(mu)新能源等国内(nei)一(yi)线磷酸铁锂生产商(shang)正在为招(zhao)标事宜做充足积极的准备(bei)，
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中国研发超(chao)低温锂(li)电(dian)池，或(huo)将缓解冬天(tian)电(dian)池续航(hang)问题(ti)无(wu)论是智能(neng)手(shou)机，还(hai)是电(dian)动(dong)汽(qi)车(che)，遇到低温环境，其(qi)内(nei)置的锂(li)电(dian)池性(xing)能(neng)会急(ji)剧(ju)下(xia)降，具体表(biao)现(xian)就是续航(hang)肉眼可见地变差。主要的原(yuan)因在于(yu)，低温环境下(xia)，电(dian)池的阳(yang)极电(dian)子“活性(xing)”会被大大削弱，保留(liu)较(jiao)少的电(dian)荷并迅速耗尽，导致电(dian)量
2022-06-20
当电(dian)(dian)(dian)(dian)池充电(dian)(dian)(dian)(dian)时，锂(li)(li)(li)离子(zi)(zi)在电(dian)(dian)(dian)(dian)池的(de)正电(dian)(dian)(dian)(dian)极(ji)(ji)(ji)上(shang)产生(sheng)，产生(sheng)的(de)锂(li)(li)(li)离子(zi)(zi)通过电(dian)(dian)(dian)(dian)解液移(yi)动到负极(ji)(ji)(ji)。作为负极(ji)(ji)(ji)的(de)碳(tan)(tan)呈层状结构(gou)，微孔较多(duo)。到达负极(ji)(ji)(ji)的(de)锂(li)(li)(li)离子(zi)(zi)嵌入(ru)在碳(tan)(tan)层的(de)微孔中(zhong)。锂(li)(li)(li)离子(zi)(zi)嵌入(ru)越多(duo)，充电(dian)(dian)(dian)(dian)容(rong)量(liang)越高(gao)。类似地，当电(dian)(dian)(dian)(dian)池放电(dian)(dian)(dian)(dian)时(我们使(shi)用(yong)电(dian)(dian)(dian)(dian)池的(de)过程)，嵌入(ru)在负极(ji)(ji)(ji)碳(tan)(tan)层的(de)锂(li)(li)(li)离子(zi)(zi)会逃逸并(bing)
2022-08-15
一、根(gen)据内部材(cai)(cai)(cai)(cai)料(liao)(liao)分(fen)类1、金(jin)属(shu)锂(li)(li)(li)电(dian)(dian)(dian)(dian)池：金(jin)属(shu)锂(li)(li)(li)电(dian)(dian)(dian)(dian)池一般是(shi)采用(yong)二(er)氧化(hua)锰(meng)为正极(ji)(ji)材(cai)(cai)(cai)(cai)料(liao)(liao)，锂(li)(li)(li)金(jin)属(shu)或其合金(jin)金(jin)属(shu)为负(fu)极(ji)(ji)材(cai)(cai)(cai)(cai)料(liao)(liao)，采用(yong)非水(shui)电(dian)(dian)(dian)(dian)解(jie)质溶液的电(dian)(dian)(dian)(dian)池。2、锂(li)(li)(li)离(li)(li)子(zi)电(dian)(dian)(dian)(dian)池：锂(li)(li)(li)离(li)(li)子(zi)电(dian)(dian)(dian)(dian)池是(shi)以锂(li)(li)(li)合金(jin)金(jin)属(shu)氧化(hua)物(wu)为正极(ji)(ji)材(cai)(cai)(cai)(cai)料(liao)(liao)，石(shi)墨为负(fu)极(ji)(ji)材(cai)(cai)(cai)(cai)料(liao)(liao)，非水(shui)电(dian)(dian)(dian)(dian)解(jie)质的电(dian)(dian)(dian)(dian)池。二(er)、根(gen)据用(yong)途分(fen)类1、数码电(dian)(dian)(dian)(dian)
2022-08-17
锂电(dian)(dian)池(chi)是一种新型的(de)电(dian)(dian)池(chi)，具有高(gao)(gao)能(neng)量(liang)密度、长(zhang)寿(shou)命、安(an)全性高(gao)(gao)等(deng)特点，因此被广泛(fan)应用(yong)于移(yi)动(dong)(dong)设(she)备、电(dian)(dian)动(dong)(dong)汽(qi)车(che)、储能(neng)系统等(deng)领域。以(yi)下是锂电(dian)(dian)池(chi)的(de)优(you)势与挑(tiao)战：优(you)势：能(neng)量(liang)密度高(gao)(gao)，可以(yi)满足移(yi)动(dong)(dong)设(she)备和(he)电(dian)(dian)动(dong)(dong)汽(qi)车(che)的(de)需求。寿(shou)命长(zhang)，可以(yi)延长(zhang)设(she)备的(de)使用(yong)寿(shou)命。安(an)全性高(gao)(gao)，可以(yi)避免电(dian)(dian)池(chi)爆炸和(he)火灾等(deng)意外事件。重(zhong)量(liang)小，可以(yi)减小设(she)备的(de)体积。可充电(dian)(dian)放电(dian)(dian)次数多(duo)，可以(yi)...
2023-05-05
在(zai)激(ji)活(huo)电(dian)(dian)(dian)(dian)池(chi)(chi)时，一(yi)定(ding)要(yao)区分清电(dian)(dian)(dian)(dian)池(chi)(chi)的正负极(ji)(ji)，这里(li)有两种方(fang)法。方(fang)法一(yi)：电(dian)(dian)(dian)(dian)池(chi)(chi)背(bei)面(mian)的标注在(zai)手机电(dian)(dian)(dian)(dian)池(chi)(chi)的背(bei)面(mian)【垃圾桶(tong)】图(tu)标位(wei)置，有一(yi)个加(jia)号(hao)(hao)和减号(hao)(hao)，+代表的电(dian)(dian)(dian)(dian)池(chi)(chi)的正极(ji)(ji)，-代表的电(dian)(dian)(dian)(dian)池(chi)(chi)的负极(ji)(ji)。当(dang)通(tong)电(dian)(dian)(dian)(dian)激(ji)活(huo)电(dian)(dian)(dian)(dian)池(chi)(chi)时，就是(shi)在(zai)正极(ji)(ji)加(jia)供电(dian)(dian)(dian)(dian)，负极(ji)(ji)接地(di)。方(fang)法二：用万(wan)用表区分在(zai)实际维修中(zhong)
2022-01-11
锂电(dian)(dian)池(chi)是一种新型的(de)电(dian)(dian)池(chi)，具有高(gao)能量密度、长寿命、安全性高(gao)等特点(dian)。它主要由(you)正极(ji)、负极(ji)、电(dian)(dian)解液和隔膜组成，通常(chang)被应(ying)用(yong)于手机(ji)、平(ping)板(ban)电(dian)(dian)脑、电(dian)(dian)动汽车(che)、储能系统等领域。锂电(dian)(dian)池(chi)的(de)正极(ji)通常(chang)采(cai)用(yong)钴(gu)酸(suan)锂、三元材(cai)料(liao)(liao)或磷酸(suan)铁锂等高(gao)性能材(cai)料(liao)(liao)，而负极(ji)则通常(chang)采(cai)用(yong)石(shi)墨或钴(gu)酸(suan)锂等低功耗(hao)材(cai)料(liao)(liao)。电(dian)(dian)解液则用(yong)于填充电(dian)(dian)池(chi)内(nei)部，保(bao)证(zheng)电(dian)(dian)池(chi)的(de)导电(dian)(dian)性和容量。隔膜则用(yong)于保(bao)...
2023-04-26
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