物理研究將推動氫能源汽車的發展

據國外網站報道：氫qing能neng源yuan汽qi車che點dian亮liang了le清qing潔jie環huan保bao汽qi車che的de希xi望wang之zhi火huo，但dan是shi這zhe種zhong汽qi車che能neng否fou從cong小xiao眾zhong市shi場chang轉zhuan變bian為wei主zhu流liu市shi場chang主zhu要yao看kan如ru何he解jie決jue核he心xin技ji術shu及ji基ji礎chu設she施shi建jian設she問wen題ti。儲chu氫qing瓶ping的de主zhu要yao問wen題ti是shi如ru何he像xiang油you箱xiang一yi樣yang可ke以yi安an全quan
、簡單、反複使用，並且容量足夠大。

yuqianlingdaodeyanjiutuanduizaiwuliyingyongxuebaofabiaoleyipianwenzhang
，wenzhangjinyibujieshileweishenmemeixichuqinghejinkeliyuexixiaochuqingxingnengyuehao，tongshifenxilekeliyuexiaojixieqiangdujisuxingyuehaodeyuanyin。 chuqingjishumuqianhaichuzaiyingyongyanjiujieduan
，keyiquedingdeshixiadaichuqingpingrongliangjiqitijiaohuandonglixuecanshudouhuitigao

，danshiwomenbuquedingjiejuezhexiewentidefangfa。qizhongyizhongyouqianjingdefangfajiushimeixichuqinghejin
，youyumeikeyiwendingdeyuqingjiehe，yincirenmenyizhiyilaibameihejinzuoweiyizhongyoujingtudechuqingzaiti，qichekeyixiedaiyigechongmanmeihejindexiangzizuoweichuqingping。danshimuqianzhezhongfangfaxishoujishifangqingqidesulvdi。jinnianlaikexuejiacongyuanzijibieshangyanjiumeiqingjieheliyumeihejinjiegoudeguilv
，laihuodegenggaodechongfangqingsulv。 先(xian)前(qian)的(de)工(gong)作(zuo)已(yi)經(jing)知(zhi)道(dao)鎂(mei)合(he)金(jin)顆(ke)粒(li)越(yue)小(xiao)儲(chu)氫(qing)性(xing)能(neng)越(yue)好(hao)，但(dan)是(shi)沒(mei)有(you)人(ren)知(zhi)道(dao)原(yuan)因(yin)。一(yi)些(xie)人(ren)認(ren)為(wei)顆(ke)粒(li)越(yue)細(xi)小(xiao)比(bi)表(biao)麵(mian)積(ji)越(yue)大(da)，但(dan)是(shi)餘(yu)倩(qian)和(he)同(tong)事(shi)發(fa)現(xian)吸(xi)收(shou)及(ji)釋(shi)放(fang)速(su)率(lv)與(yu)顆(ke)粒(li)的(de)變(bian)形(xing)有(you)密(mi)切(qie)聯(lian)係(xi)。氫(qing)氣(qi)的(de)循(xun)環(huan)過(guo)程(cheng)中(zhong)儲(chu)氫(qing)瓶(ping)壓(ya)力(li)的(de)變(bian)化(hua)會(hui)使(shi)顆(ke)粒(li)變(bian)形(xing)破(po)裂(lie)，細(xi)小(xiao)的(de)顆(ke)粒(li)在(zai)變(bian)形(xing)的(de)時(shi)候(hou)能(neng)夠(gou)保(bao)持(chi)結(jie)構(gou)穩(wen)定(ding)
，因(yin)此(ci)在(zai)經(jing)過(guo)氫(qing)氣(qi)循(xun)環(huan)之(zhi)後(hou)仍(reng)然(ran)能(neng)夠(gou)充(chong)當(dang)載(zai)體(ti)；另外細小的顆粒具有低的各向異性，具有均勻的位錯運動，可以為氫氣提供均勻的擴散路徑。 這意味著找到了一種利用位錯均勻運動的方法提高儲氫瓶的性能

，餘倩的團隊接下來會研究工況條件下鎂係儲氫合金的變化。