大家使用鋰電池最擔心的問題就是, 鋰電池潛藏著爆炸的危險,其實,通過正確的鋰電池組系統設計及電芯等級選擇,鋰離池是可以做到非常安全的。目前,防爆線路及防爆技術都已成熟,鋰電池制造廠家專業設計及規范工藝流程,品質保證,爆炸事件將會越來越少。
1、防爆技術
①鋰(li)電池已經是(shi)可攜式電子產品(pin)的(de)首選電池,這種(zhong)電池容量密(mi)度高(gao)、價格具競爭力,預計未來(lai)十余年仍將是(shi)市場主流。但是(shi)鋰(li)電池卻一直潛藏著(zhu)爆(bao)炸(zha)的(de)危險,由于(yu)應用愈(yu)來(lai)愈(yu)廣,爆(bao)炸(zha)事件也就(jiu)層出不窮。目前,防爆(bao)線路(lu)及防爆(bao)技術都已成熟(shu),鋰(li)電池制(zhi)造廠家(jia)專業設計及規范工藝流程(cheng),品(pin)質保證(zheng),爆(bao)炸(zha)事件將會越來(lai)越少。
②防爆技術是(shi)一種(zhong)采用(yong)高安(an)(an)全(quan)系數材料制造,有效遏制電池(chi)(chi)爆炸的安(an)(an)全(quan)電池(chi)(chi)。防爆鋰電池(chi)(chi)組的安(an)(an)全(quan)特性(xing)是(shi)其最大的特點。為了保證在鋰電池(chi)(chi)的安(an)(an)全(quan)性(xing),通常我們(men)會(hui)在電池(chi)(chi)殼上設計防爆閥,在壓力(li)過高時能夠及時被(bei)破壞,釋(shi)放電池(chi)(chi)內(nei)部的壓力(li),防止熱失控中鋰電池(chi)(chi)組發生爆炸。
③由于對鋰電(dian)(dian)池(chi)(chi)的不恰(qia)當使用,當電(dian)(dian)池(chi)(chi)由于過沖或出現(xian)其(qi)他故障時(shi),其(qi)內部會因(yin)為化學反應大量產氣,導致(zhi)電(dian)(dian)池(chi)(chi)內壓(ya)迅(xun)速增(zeng)大,發(fa)生爆炸事故。因(yin)此為了防止(zhi)此類危險發(fa)生,專業防爆電(dian)(dian)池(chi)(chi)會設(she)置有(you)防爆裝(zhuang)置及(ji)電(dian)(dian)路設(she)計。
2、防爆(bao)措(cuo)施
①鋰電(dian)池充電(dian)時(shi)一定(ding)(ding)要(yao)設定(ding)(ding)充電(dian)電(dian)壓上限(xian)和放電(dian)電(dian)壓下限(xian),單(dan)顆電(dian)芯理想值分別為4.2V和2.4V,才可以同時(shi)兼顧到壽命、容量和安(an)全性;另外電(dian)流上限(xian)也(ye)非常有必要(yao)。
②電池保護線路(lu)板(ban)的(de)設計;防爆(bao)(bao)電路(lu)與普通保護板(ban)設計有其(qi)特殊(shu)性,正規的(de)鋰(li)電池生產(chan)(chan)廠家的(de)產(chan)(chan)品(pin)都會建議(yi)客戶用保護板(ban),但特殊(shu)防爆(bao)(bao)產(chan)(chan)品(pin)需在(zai)設計初期涉(she)入。
③普通鋰(li)(li)電(dian)(dian)(dian)(dian)池(chi)的(de)保護(hu)(hu)(hu)必段(duan)包含:充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓上限、放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓下限、及電(dian)(dian)(dian)(dian)流上限三項。一般鋰(li)(li)電(dian)(dian)(dian)(dian)池(chi)組內,除了(le)鋰(li)(li)電(dian)(dian)(dian)(dian)池(chi)芯外,保護(hu)(hu)(hu)板主要就(jiu)是(shi)提供這三項保護(hu)(hu)(hu)。但保護(hu)(hu)(hu)板的(de)這三項保護(hu)(hu)(hu)顯然是(shi)不夠(gou)的(de),全(quan)(quan)球鋰(li)(li)電(dian)(dian)(dian)(dian)池(chi)爆炸(zha)事件還是(shi)頻傳(chuan),要確(que)保電(dian)(dian)(dian)(dian)池(chi)系統的(de)安(an)(an)全(quan)(quan)性(xing),必須對電(dian)(dian)(dian)(dian)池(chi)爆炸(zha)的(de)原(yuan)因進行更仔細的(de)分析。選擇正規(gui)A品電(dian)(dian)(dian)(dian)芯,安(an)(an)規(gui)認證(zheng)齊(qi)全(quan)(quan)的(de)鋰(li)(li)電(dian)(dian)(dian)(dian)池(chi)配備專業設計(ji)及可靠性(xing)測(ce)試,才能(neng)有效降低品質風(feng)險;
日常生活中只要我們大家注意,鋰電池就不會在我們的手中成為定時炸彈。了解更多關于防爆鋰電池的內容,歡迎聯系普納斯能源。