我國開發超級電容器
http://www.kadhoai.com.cn 2026-04-08 03:54:35 來源:中國電子元件行業協會
據英國《新科學家》zazhibaodao,younamihuahenamicaozuchengdenamijimuchangkeyijiangyuelaiyueduodenengliangzhucunzaichaojidianrongqizhong,erchaojidianrongqikeyiqudaidiandongqichezhongsuoshiyongdedianchi。
youyudianchizhucundeshihuaxueneng,yincidemanmanchongdian,xiangbizhixia,dianrongqizhucundeshidianneng,yincizaichongdiandetongshinenghenkuaichongmandian,zhishidianliangbutaiduo。dansuizhejishudejinbu,jinnianlaidedianrongqidedaolehendadetisheng,muqianzhengzaikaifadechaojidianrongqizhucundedianliangshiyibandianrongqideshuqianbei,yincikeyiqudongdiandonggongjushenzhidiandongqiche。buguo,zaizhenzhengshiyongzhiqian,chaojidianrongqidezhudiannenglihaiyoudaijinyibutigao。erwoguokexuejiayijingzhaodaolexinbanfa,kewangrangtamenjinkuaiyingyongyushijizhong。
qishi,chaojidianrongqishiyizhongjiandanzhuangzhi,tamentongguoxuanfuzaidianjieyezhongdelianggedianjizhijiansuochanshengdedianyalaichongdian,jizhengliziyitoulianzheyigedianji,fuliziyitoulianzhelingyigedianji。youyucidianjishangtuyouduokongshenshuicailiao,keyixianghaimianyiyangxishoulizi,congerkeyidadaozhucunnengliangdemude。ciduokongshenshuicailiaoyibandoushiyonghuoxingtan。weitigaochaojidianrongqidezhudiannengli,jiuderangzhexietanhaimiangengjiaduokong。rujin,woguohuaxuefanghuyanjiusuodezhanghao(音譯)和he北bei京jing大da學xue的de同tong事shi一yi道dao采cai取qu了le不bu同tong的de辦ban法fa來lai改gai進jin超chao級ji電dian容rong器qi的de性xing能neng。他ta們men將jiang離li子zi貯zhu存cun在zai氧yang化hua錳meng中zhong,而er氧yang化hua錳meng比bi活huo性xing碳tan還hai有you更geng多duo的de空kong間jian來lai貯zhu存cun離li子zi。
raner,suiranyanghuamengzhucunlizihenchuse,dantayoujiaogaodedianzu,congershitahennanshixiandiyichangsuochongdian,dejinxingshuangbeichongdian。yushi,yanjiurenyuanjiangyanghuamengnamihuazhongzaizhijingdayue100納米的碳納米管草上,而碳納米管草又種在鉭金屬薄片上,由此形成了“納米牧場”dejingweijiegou。zhanghaobiaoshi,meiyiduoyanghuamengnamihuazhishaoyouergentannamiguancaozhichengzhe,houzhebanyandianzichaojigonglu,geishangmiandeyanghuamengnamihuagongdian。dangyanghuamengnamihuachongshangdianzhihou,tajiunengxifulizi,congernenghenhaodizhudian。
結果表明,納米牧場的貯電能力是單個氧化錳的貯電能力的10倍(bei),所(suo)貯(zhu)備(bei)的(de)電(dian)量(liang)是(shi)現(xian)有(you)超(chao)級(ji)電(dian)容(rong)器(qi)所(suo)使(shi)用(yong)的(de)碳(tan)電(dian)極(ji)的(de)貯(zhu)電(dian)量(liang)的(de)二(er)倍(bei)。張(zhang)豪(hao)表(biao)示(shi),而(er)且(qie),納(na)米(mi)牧(mu)場(chang)的(de)複(fu)雜(za)結(jie)構(gou)可(ke)以(yi)抵(di)擋(dang)機(ji)械(xie)性(xing)能(neng)的(de)退(tui)化(hua),從(cong)而(er)避(bi)免(mian)超(chao)級(ji)電(dian)容(rong)器(qi)的(de)性(xing)能(neng)隨(sui)時(shi)間(jian)的(de)過(guo)去(qu)而(er)下(xia)降(jiang)。測(ce)試(shi)結(jie)果(guo)表(biao)明(ming),此(ci)新(xin)裝(zhuang)置(zhi)的(de)貯(zhu)電(dian)能(neng)力(li)在(zai)充(chong)電(dian)和(he)耗(hao)電(dian)2萬次循環之後僅僅下降了3%,勝過其它高性能的設計。
英國曼徹斯特大學的邁克·巴ba恩en斯si表biao示shi,這zhe是shi一yi種zhong提ti升sheng超chao級ji電dian容rong器qi性xing能neng的de有you趣qu辦ban法fa。但dan在zai上shang市shi銷xiao售shou之zhi前qian還hai得de讓rang它ta更geng能neng經jing受shou物wu理li方fang麵mian的de退tui化hua,也ye就jiu是shi更geng能neng耐nai用yong。一yi旦dan這zhe種zhong超chao級ji電dian容rong器qi用yong於yu電dian動dong汽qi車che上shang,踩cai刹sha車che的de同tong時shi就jiu能neng充chong滿man電dian。如ru果guo在zai城cheng市shi行xing駛shi的de話hua,1小時充電大約60次就可以了。