2026-04-12 18:45:04
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據外國媒體報道:燃(ran)料(liao)電(dian)池(chi)有(you)可(ke)能(neng)為(wei)汙(wu)染(ran)更(geng)少(shao)且(qie)幾(ji)乎(hu)可(ke)以(yi)為(wei)任(ren)何(he)電(dian)力(li)設(she)備(bei)生(sheng)產(chan)電(dian)力(li),例(li)如(ru)汽(qi)車(che),筆(bi)記(ji)本(ben)電(dian)腦(nao)和(he)手(shou)機(ji)。使(shi)用(yong)氫(qing)氣(qi)作(zuo)為(wei)燃(ran)料(liao)和(he)空(kong)氣(qi)作(zuo)為(wei)氧(yang)化(hua)劑(ji),燃(ran)料(liao)電(dian)池(chi)比(bi)內(nei)燃(ran)機(ji)更(geng)幹(gan)淨(jing)汙(wu)染(ran)更(geng)少(shao)。但(dan)是(shi)燃(ran)料(liao)電(dian)池(chi)麵(mian)臨(lin)著(zhe)一(yi)個(ge)嚴(yan)重(zhong)的(de)問(wen)題(ti):它(ta)的(de)壽(shou)命(ming)普(pu)遍(bian)不(bu)夠(gou)長(chang)。影(ying)響(xiang)燃(ran)料(liao)電(dian)池(chi)壽(shou)命(ming)的(de)一(yi)個(ge)問(wen)題(ti)是(shi)其(qi)中(zhong)心(xin)電(dian)解(jie)質(zhi)膜(mo)的(de)氧(yang)化(hua)或(huo)損(sun)壞(huai)。運(yun)行(xing)過(guo)程(cheng)導(dao)致(zhi)在(zai)膜(mo)中(zhong)形(xing)成(cheng)孔(kong),並(bing)且(qie)可(ke)以(yi)使(shi)反(fan)應(ying)物(wu)直(zhi)接(jie)接(jie)觸(chu)。
聖sheng路lu易yi斯si華hua盛sheng頓dun大da學xue的de一yi個ge工gong程cheng團tuan隊dui開kai發fa了le一yi種zhong新xin的de方fang式shi,以yi便bian在zai更geng好hao的de情qing況kuang下xia查zha看kan這zhe一yi過guo程cheng。團tuan隊dui在zai燃ran料liao電dian池chi內nei使shi用yong熒ying光guang光guang譜pu,它ta們men能neng夠gou在zai運yun行xing期qi間jian探tan測ce負fu責ze氧yang化hua的de自zi由you基ji的de形xing成cheng。該gai成cheng果guo有you可ke能neng改gai變bian燃ran料liao電dian池chi的de研yan究jiu方fang法fa,以yi更geng直zhi觀guan的de方fang法fa了le解jie燃ran料liao電dian池chi是shi如ru何he分fen解jie的de,從cong而er設she計ji出chu減jian緩huan策ce略lve,延yan長chang燃ran料liao電dian池chi使shi用yong壽shou命ming。

該研究成果發表在ChemSusChemzazhishang,shidiyigecaiyongyuanweifangfajianzharanliaodianchineimodeyanjiu。qiliangdianshichanruyingguangranliaobingyongzuobiaojiwuyiquedingfanyingguocheng。zaishiyanguochengzhong,ruguojiancedaoranliaodianchimofachudeguangyueruo,zeshuomingqizhongdefushiyueyanzhong,chuankongyueda。
博士後研究員,論文的合著者Javier Parrondo表示,由於導致燃料電池膜降解的自由基存在時間十分短暫,使用其他方法無法進行觀察。
第一作者Ramani表示,他們的下一步工作將是在燃料電池膜內引入抗氧化劑,看看它們能否降低膜分解的速度。
這項研究的資金由海軍研究所提供。
參考文獻:Yunzhu Zhang, Javier Parrondo, ShrihariSankarasubramanian, Vijay Ramani. "Detection of Reactive Oxygen Species in Anion Exchange Membane Fuel Cells using In Situ Fluorescence Spectoscopy." ChemSusChem, June 28, 2017, DOI: 10.1002 / cssc.201700760