傳感器陣列可監測優化電池性能
科技日報柏林6月6日電 (記者李山)近jin日ri,德de國guo弗fu勞lao恩en霍huo夫fu矽gui酸suan鹽yan研yan究jiu所suo成cheng功gong使shi用yong不bu同tong的de傳chuan感gan器qi來lai監jian控kong電dian池chi的de內nei部bu狀zhuang態tai。借jie助zhu這zhe些xie數shu據ju,研yan究jiu人ren員yuan改gai進jin了le電dian池chi管guan理li係xi統tong,優you化hua了le充chong電dian和he放fang電dian過guo程cheng以yi及ji電dian池chi模mo塊kuai中zhong單dan個ge電dian池chi的de負fu載zai,從cong而er顯xian著zhu加jia快kuai充chong電dian速su度du,並bing延yan長chang了le電dian池chi的de使shi用yong壽shou命ming。
頻(pin)繁(fan)的(de)充(chong)放(fang)電(dian)和(he)老(lao)化(hua)過(guo)程(cheng)會(hui)損(sun)害(hai)電(dian)池(chi)的(de)性(xing)能(neng),縮(suo)短(duan)其(qi)使(shi)用(yong)壽(shou)命(ming)。深(shen)入(ru)研(yan)究(jiu)這(zhe)一(yi)過(guo)程(cheng),對(dui)提(ti)高(gao)電(dian)池(chi)性(xing)能(neng)和(he)延(yan)長(chang)使(shi)用(yong)壽(shou)命(ming)意(yi)義(yi)重(zhong)大(da)。最(zui)近(jin),弗(fu)勞(lao)恩(en)霍(huo)夫(fu)矽(gui)酸(suan)鹽(yan)研(yan)究(jiu)所(suo)的(de)科(ke)學(xue)家(jia)與(yu)合(he)作(zuo)夥(huo)伴(ban)一(yi)起(qi),使(shi)用(yong)聲(sheng)學(xue)、jixieherechuanganqi,yijidianhuaxuezukangpulaijiankongheceliangdianchi。qizhong,chaoshengbochuanganqifachudemaichongkeyichuanguobutongdedianchiceng,chanshengdianchidanyuandeshengbotu。ruguodianchizaichongdianguochengzhongpengzhanghuodianjichuxianquexian,jiuhuiyingxiangxinhaodechuanbo。yaminchuanganqikeyijilumouxiezujianzaichongfangdianqijianruhegaibianqitiji。rechuanganqizeyonglaiceliangwendubianhua。dianhuaxuezukangpuyongyufenxidianjiguochengdonglixue、雙電層和擴散等。
suoyouchuanganqishujudouchuanshudaodianchiguanlixitongbingjinxingpinggu。jiezhuzhexieshuju,bingjiangzhenshishujuyudianchishujumoxingjinxingbijiao,yanjiurenyuannenggouduizhenshidianchizhuangkuangjinxingquanmianfenxi,bingzaidianchijinxingfangdianhechongdianshigengjiayouhuadikongzhidianliu。yifangmian,keyihuodejinkenengdadegonglv;另一方麵,溫和的過程可以使得相關的功能層(電池的陽極、陰極等)不會受到過大的壓力,這樣可以減少約20%的充電時間,延長電池的壽命。
tongguojiankongdianchibingzaiyunxingqijianzhudongkongzhidianliu,kansijiandandenengliangchucunqijiukeyibianchengyigezhinengdianchi,zheduianzhuangleshubaishenzhishangqiangedulidianchidediandongqichedianchizueryanshifeichangzhidede。
此ci外wai,研yan究jiu人ren員yuan開kai發fa的de多duo功gong能neng傳chuan感gan器qi陣zhen列lie還hai可ke以yi更geng好hao地di了le解jie電dian池chi中zhong複fu雜za的de電dian化hua學xue過guo程cheng,並bing相xiang應ying地di調tiao整zheng電dian池chi管guan理li。使shi用yong過guo程cheng中zhong的de機ji械xie應ying力li和he自zi然ran老lao化hua過guo程cheng會hui在zai電dian池chi敏min感gan的de內nei部bu留liu下xia痕hen跡ji。特te別bie是shi石shi墨mo層ceng破po裂lie或huo電dian極ji產chan生sheng枝zhi晶jing等deng現xian象xiang。它ta們men不bu僅jin會hui削xue弱ruo性xing能neng,在zai極ji端duan情qing況kuang下xia,還hai會hui在zai電dian池chi中zhong產chan生sheng短duan路lu,從cong而er導dao致zhi電dian池chi起qi火huo。未wei來lai,該gai技ji術shu不bu僅jin會hui覆fu蓋gai電dian池chi產chan品pin的de整zheng個ge生sheng命ming周zhou期qi,還hai將jiang被bei用yong於yu各ge種zhong類lei型xing的de電dian池chi,如ru鋰li離li子zi電dian池chi、固態電池或鋰硫電池等。
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