2026-04-12 07:43:00
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據美國物理學家組織網1月10日(北京時間)報道,美國薩瓦那河國家實驗室(SRNL)dekexuejialiyonghansanqinghualvdeqingxingcailiaozhichenglexiaoxingchuqingrongqi,bingzhengmingtadeqingshifanglvshiheweixiaoxingshangyongranliaodianchitigongdongli,zheweiweilaidaguimozhizaobianxieshifadianxitongpupingledaolu,zaijunyongheshangyonglingyudoukenengdedaoyingyong。 SRNL研yan究jiu團tuan隊dui展zhan示shi了le如ru何he用yong三san氫qing化hua鋁lv和he類lei似si高gao性xing能neng儲chu氫qing材cai料liao來lai製zhi造zao便bian攜xie的de發fa電dian係xi統tong。三san氫qing化hua鋁lv與yu其qi他ta金jin屬shu氫qing化hua物wu類lei似si,也ye能neng為wei氫qing提ti供gong一yi種zhong固gu態tai的de儲chu存cun媒mei介jie。但dan三san氫qing化hua鋁lv具ju有you一yi大da優you勢shi:它ta具ju有you極ji高gao的de儲chu氫qing能neng力li,能neng夠gou將jiang兩liang倍bei多duo的de氫qing氣qi儲chu存cun為wei液ye態tai氫qing。此ci外wai,它ta還hai具ju有you較jiao低di的de質zhi量liang和he有you利li的de放fang電dian狀zhuang態tai。這zhe些xie都dou使shi它ta成cheng為wei理li想xiang的de化hua學xue儲chu氫qing材cai料liao之zhi一yi。 danmuqiankeshangyongdesanqinghualvshifenyouxian,qieshengchanchengbenhengao,fangailetadeguangfanyingyong。yanjiurenyuanbiaoshi,tamendeyanjiukefulesanqinghualvchuantongshengchanfangfazhongdeduogezhangai,xinfangfanengzuishaochengdudishiyongrongye,bingzhichuchunjing、不(bu)含(han)鹵(lu)化(hua)物(wu)的(de)三(san)氫(qing)化(hua)鋁(lv)。同(tong)時(shi),研(yan)究(jiu)小(xiao)組(zu)還(hai)能(neng)借(jie)助(zhu)另(ling)一(yi)過(guo)程(cheng),使(shi)從(cong)三(san)氫(qing)化(hua)鋁(lv)中(zhong)提(ti)取(qu)的(de)氫(qing)翻(fan)一(yi)番(fan)。這(zhe)些(xie)進(jin)展(zhan)也(ye)為(wei)開(kai)發(fa)成(cheng)本(ben)低(di)廉(lian)的(de)新(xin)型(xing)三(san)氫(qing)化(hua)鋁(lv)生(sheng)產(chan)方(fang)式(shi)奠(dian)定(ding)了(le)基(ji)礎(chu)。研(yan)究(jiu)團(tuan)隊(dui)已(yi)經(jing)研(yan)發(fa)出(chu)一(yi)個(ge)小(xiao)型(xing)的(de)係(xi)統(tong),以(yi)生(sheng)產(chan)試(shi)驗(yan)及(ji)改(gai)進(jin)研(yan)究(jiu)所(suo)需(xu)的(de)三(san)氫(qing)化(hua)鋁(lv)。 而此次研究的另一重點就是評估三氫化鋁係統和小型燃料電池應用的兼容性。基於約含有22克三氫化鋁的測試容器的初步結果顯示,這一係統能夠很好地滿足100瓦燃料電池係統所需的氫釋放率。該係統能夠在燃料電池接近全功率的狀態下運轉3個多小時,並能在降低功率後再運行若幹小時。 便攜式發電設備製造商正在尋找可提供超過1千瓦時/千克比能的係統,這比目前最好的鋰電池的儲能量還要多2至3倍。SRNL的泰德·modikaboshibiaoshi,genggaodebinengyiweizhedanweizhonglianghuoqudenenglianggengduo。tamendemubiaoshiweijunduitigongqingbianqiechunengnenglichusedebianxiexitong,yijiyingyongyuqitaduizhongliangyaoqiujiaogaodelingyu。