Karfe Kumfa - Fuel Cell Sanyi Fara Aiki Haɓaka

Cinikikarfe kumfaa halin yanzu kyakkyawan zaɓi ne ga masu gudu na al'ada don ƙwayoyin man fetur saboda ƙananan ƙananan ƙwayoyin cuta, babban porosity, da kuma ƙarfin inji mai kyau.
Na farko, an yi nazarin aikin polarization na baturin a ƙarƙashin yanayin aiki na yau da kullun a yanayin ɗaki. Bisa la'akari da cewa cathode shine babban na'urar lantarki wanda ke hana aikin baturi, ana amfani da hanyoyi masu gudana na al'ada don anode na kwayoyin halitta guda ɗaya, kuma ana amfani da hanyoyin daidaitawa na al'ada don cathode tare da sabon filin nickel-metal foam flow, bi da bi.
Don ƙarin nuni da bambance-bambancen kwarara da bambance-bambancen aiki a cikin filayen kwarara guda biyu, binciken ya yi amfani da filin kwararar tantanin halitta mai siririn da girman 1.5cm × 20 cm (gas ɗin duk suna gudana tare da dogon gefe), wanda ɗan ya rasa asalin tantanin halitta. aiki, sabili da haka, aikin polarization cell bai yi girma ba. Bugu da ƙari, an yi amfani da MEA guda ɗaya (Nafion-112) don duka kwayoyin halitta a cikin gwajin. Saboda mafi girma curvature na kananan kwarara tashar a cikin kumfa karfe kwarara filin, da matsa lamba drop a duka iyakar ne mafi girma idan aka kwatanta da sauki dogon madaidaiciya tashar tashar a cikin na al'ada kwarara filin, wanda kara habaka gas wadata ga cathode, da aiki. matsa lamba, da adadin electrochemical dauki, kuma a lokaci guda, yana buƙatar cinye ƙarin ƙarfin injin gas mai matsa lamba zuwa wani mataki kuma yana ƙara asarar famfo. Matsakaicin ƙarfin ƙarfin ya fi girma ga sel tare dakarfe kumfafilayen kwarara, yayin da a ƙananan igiyoyin ruwa, ƙarfin ƙarfin yana ɗan ƙasa kaɗan fiye da na ƙwayoyin filayen kwarara na al'ada. Gabaɗaya, fa'idodin yin amfani da filin kwararar kumfa na ƙarfe har yanzu suna da mahimmanci. A cikin dogon lokaci, saboda yawancin iskar gas da ruwa mai ruwa a cikin filin kwararar ƙarfe na kumfa, ana iya amfani da ɗan gajeren filin kwarara a cikin aikace-aikacen aikace-aikacen, ko amfani da cathode da anode a tsaye na giciye (gas ɗin anode yana gudana tare da dogon gefen tashar kwarara na gargajiya, gas na cathode yana gudana tare da ɗan gajeren gefen filin kwararan kumfa), wanda ke ƙara rage yawan asarar da ke haifar da faɗuwar mashigar cathode da matsa lamba, don haka ana sa ran gane haɓakar haɓakawa. aikin baturi, har ma da kula da kwatankwacin ko ma mafi girman ƙarfin wutar lantarki fiye da tashar gudana na gargajiya, wanda za'a iya samu a cikin dogon lokaci. Sabili da haka, ana sa ran fahimtar haɓaka aikin tantanin halitta yayin kiyaye asarar famfo kwatankwacin ko ma ƙasa da na tashar kwararar gargajiya.
A daya hannun, don magance damuwa da sub-sifili farawa yanayi, mu comprehensively kwatanta tsauri farawa yi na man fetur Kwayoyin da kumfa karfe kwarara filin da na al'ada a layi daya ya kwarara tashar a cathode karkashin m halin yanzu da kuma m irin ƙarfin lantarki halaye, bi da bi.
A daya hannun, ga m sub-sifili farawa yanayin, mu comprehensively kwatanta tsauri fara yi na man fetur Kwayoyin tare da kumfa karfe kwarara filin da na al'ada a layi daya kwarara tashar a cathode karkashin m halin yanzu da kuma m irin ƙarfin lantarki halaye, bi da bi.
Filin kwararar kumfa-karfe yana nuna fa'idodi masu kyau, tare da kwanciyar hankali tantanin halitta yayin farawa da farawa mai nasara, yayin da akasin haka, tantanin halitta na yau da kullun-gudanarwa, tare da ƙananan ƙarfin fitarwa na cell mara ƙarfi yayin aiki, yana haɓaka ƙimar samar da zafi da zafin jiki. haɓaka ƙimar zuwa wani matsayi, amma saboda ƙarancin tashoshi masu gudana, yuwuwar icing da toshe yana ƙaruwa a layi (dangane da adadin tashoshi masu gudana), wanda ke haifar da saurin fitowar tantanin halitta Duk da haka, yuwuwar toshewar ƙanƙara yana ƙaruwa a layi (dangane da adadin tashoshi masu gudana), yana haifar da jujjuyawar aikin fitar da tantanin halitta da ƙara yuwuwar gazawar farawa.
A taƙaice, da kyau kwarai porous tsarin da man fetur cell tare dakarfe kumfaFilin kwarara yana da fa'idodi masu mahimmanci akan tantanin halitta tare da tashar kwararar “trench-ridge” na al'ada ƙarƙashin duka yanayin zafin ɗaki da yanayin farawa mai ƙarfi na ƙasa.
Matsakaicin ƙarfin ƙarfin ƙarfin baturi a halin yanzu yana ƙaruwa da kusan 25%;
Ƙarƙashin yanayin farawa na ƙananan sifili, aikin batura tare da filin kwararan ƙarfe na kumfa yana da sauƙi yayin farawa, kuma ƙananan zafin jiki na farawa da kai yana inganta sosai.
Bugu da ƙari, yin amfani da ƙarin ingantattun jiyya don kayan ƙarfe na kumfa, irin su platin zinari don haɓaka haɓaka aiki, mafi dacewa hydrophobicity da jiyya na lalata, da kuma amfani dakayan kumfatare da ƙarin ingantattun girman pore, porosity, da matsawa, ana sa ran zai ƙara ƙarfafa aikin aikin tantanin mai da kuma haɓaka ƙarfin sake zagayowar sanyi.