2026-04-12 19:54:27
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據科技部報道:韓han國guo科ke學xue技ji術shu研yan究jiu院yuan發fa布bu消xiao息xi稱cheng,其qi研yan究jiu團tuan隊dui最zui近jin開kai發fa出chu可ke用yong於yu固gu體ti堿jian膜mo燃ran料liao電dian池chi的de高gao性xing能neng銠lao基ji礎chu納na米mi催cui化hua劑ji,利li用yong銠lao合he金jin代dai替ti高gao價jia的de鉑bo,成cheng功gong提ti升sheng了le燃ran料liao電dian池chi的de性xing能neng。該gai成cheng果guo在zai線xian發fa表biao在zai《美國化學會》(ACS Catalysis)雜誌上。
一(yi)般(ban)來(lai)說(shuo),在(zai)堿(jian)性(xing)燃(ran)料(liao)電(dian)池(chi)能(neng)源(yuan)中(zhong)發(fa)揮(hui)核(he)心(xin)作(zuo)用(yong)的(de)納(na)米(mi)催(cui)化(hua)劑(ji),常(chang)用(yong)於(yu)電(dian)化(hua)學(xue)活(huo)性(xing)較(jiao)好(hao)的(de)鉑(bo)和(he)鈀(ba)基(ji)礎(chu)納(na)米(mi)粒(li)子(zi)合(he)金(jin),但(dan)材(cai)料(liao)本(ben)身(shen)的(de)穩(wen)定(ding)性(xing)存(cun)在(zai)局(ju)限(xian)性(xing)。燃(ran)料(liao)電(dian)池(chi)材(cai)料(liao)長(chang)時(shi)間(jian)暴(bao)露(lu)在(zai)氧(yang)化(hua)環(huan)境(jing)中(zhong),會(hui)導(dao)致(zhi)材(cai)料(liao)穩(wen)定(ding)性(xing)和(he)耐(nai)用(yong)性(xing)差(cha)的(de)問(wen)題(ti),從(cong)而(er)降(jiang)低(di)鉑(bo)和(he)鈀(ba)合(he)金(jin)材(cai)料(liao)的(de)性(xing)能(neng)。
韓(han)國(guo)研(yan)究(jiu)組(zu)對(dui)材(cai)質(zhi)穩(wen)定(ding)性(xing)好(hao)但(dan)性(xing)能(neng)較(jiao)低(di)的(de)銠(lao)進(jin)行(xing)了(le)燃(ran)料(liao)電(dian)池(chi)催(cui)化(hua)劑(ji)研(yan)究(jiu),結(jie)果(guo)顯(xian)示(shi),銠(lao)合(he)金(jin)納(na)米(mi)粒(li)子(zi)對(dui)燃(ran)料(liao)電(dian)池(chi)的(de)電(dian)能(neng)化(hua)學(xue)氧(yang)還(hai)原(yuan)反(fan)應(ying)具(ju)有(you)較(jiao)好(hao)的(de)特(te)性(xing)。研(yan)究(jiu)組(zu)表(biao)示(shi),該(gai)成(cheng)果(guo)不(bu)僅(jin)可(ke)以(yi)提(ti)升(sheng)燃(ran)料(liao)電(dian)池(chi)催(cui)化(hua)劑(ji)性(xing)能(neng),也(ye)可(ke)以(yi)提(ti)升(sheng)燃(ran)料(liao)電(dian)池(chi)的(de)性(xing)能(neng)。