2026-04-13 16:08:47
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據http://www.nanowerk.com/網站報道,Suvi Karvonen在其博士論文“模型法研究聚合物電解質燃料電池(PEMs)的傳質和壓縮效應”中解釋了一種可以幫助提升燃料電池性能的模擬方式,該論文將在阿爾托大學接受檢驗,驗證這種簡單的模型是否可以從根本上改進PEMs的性能。
大da部bu分fen與yu燃ran料liao電dian池chi相xiang關guan的de實shi驗yan性xing研yan究jiu都dou十shi分fen昂ang貴gui並bing且qie周zhou期qi很hen長chang。模mo型xing可ke以yi設she計ji多duo種zhong變bian化hua參can數shu,並bing且qie快kuai捷jie廉lian價jia,因yin此ci完wan全quan沒mei有you必bi要yao生sheng產chan大da量liang的de燃ran料liao電dian池chi裝zhuang置zhi供gong性xing能neng測ce試shi使shi用yong。然ran而er,模mo型xing參can數shu的de設she置zhi也ye不bu可ke能neng麵mian麵mian俱ju到dao。例li如ru,由you於yu溫wen度du傳chuan感gan器qi和he電dian流liu測ce定ding器qi實shi際ji操cao作zuo的de限xian製zhi,不bu可ke能neng完wan全quan掌zhang握wo燃ran料liao電dian池chi內nei部bu的de電dian流liu密mi度du和he溫wen度du數shu據ju。電dian流liu密mi度du波bo動dong也ye許xu會hui對dui裝zhuang置zhi的de性xing能neng產chan生sheng負fu麵mian影ying響xiang。
燃ran料liao電dian池chi模mo型xing可ke以yi提ti供gong電dian池chi壓ya縮suo壓ya力li的de分fen布bu信xin息xi,以yi及ji它ta如ru何he影ying響xiang燃ran料liao電dian池chi的de性xing能neng。模mo擬ni結jie果guo表biao明ming,燃ran料liao電dian池chi會hui產chan生sheng局ju部bu橫heng向xiang電dian流liu。這zhe種zhong現xian象xiang可ke能neng會hui對dui燃ran料liao電dian池chi的de使shi用yong性xing能neng和he壽shou命ming產chan生sheng負fu麵mian影ying響xiang。不bu規gui則ze的de電dian流liu密mi度du分fen布bu會hui導dao致zhi燃ran料liao電dian池chi內nei部bu變bian熱re,溫wen度du升sheng高gao會hui使shi薄bo膜mo幹gan涸he或huo者zhe灼zhuo燒shao出chu孔kong洞dong。燃ran料liao和he氧yang氣qi就jiu會hui通tong過guo這zhe個ge孔kong洞dong泄xie漏lou出chu來lai直zhi至zhi漏lou光guang,即ji使shi問wen題ti沒mei有you如ru此ci嚴yan重zhong,但dan是shi至zhi少shao還hai會hui造zao成cheng燃ran料liao電dian池chi的de工gong作zuo效xiao率lv低di下xia。為wei確que保bao燃ran料liao電dian池chi的de正zheng常chang工gong作zuo,聚ju合he物wu薄bo膜mo必bi須xu要yao保bao持chi濕shi潤run。