Ziziphi iintlobo zeePlate zeBipolar?

Kwizinto eziphambili zeeseli zefutha, iipleyiti zebipolar zidlala indima ebalulekileyo. Azigcini nje ngokuqhuba umbane kodwa zikwasebenza ekwahlukaniseni iiyunithi zeseli nganye, zisasaze iigesi, kwaye zisasaze ubushushu. Ngokuqhubeka kobuchwepheshe beeseli zefutha, iintlobo ngeentlobo zezinto zepleyiti zebipolar nazo ziye zahluka, kwaye zinokufumaneka kwizicelo ezifana nee-electrolyzers kunye neebhetri zokuhamba. Izinto eziqhelekileyo zepleyiti yebipolar ziquka iimetali, igraphite, kunye negraphite edibeneyo, nganye ineenzuzo zayo kunye neengxaki zayo, kwaye ifanelekile kwiimeko ezahlukeneyo zokusetyenziswa.

1. Ipleyiti yeBipolar yesinyithi

Iipleyiti zesinyithi eziguquguqukayo ziphakathi kwezinto zokuqala ezisetyenziswa kwiiseli zamafutha. Izinto zesinyithi eziqhelekileyo ziquka intsimbi engatyiwayo, ii-alloy ze-titanium, kunye nee-alloy ze-aluminium. Ezi zinyithi zibonisa amandla agqwesileyo oomatshini kunye nokuqhuba kombane, nto leyo eyenza ukuba zisetyenziswe kakhulu kwiiseli zamafutha zokuqala.

Iingenelo

• Ukuqhuba Okuphezulu: Izixhobo zesinyithi zibonisa ukuqhuba kombane okugqwesileyo, okunceda ukuphucula ukusebenza kakuhle kweeseli zamafutha.
• Amandla Oomatshini Aqinileyo: Iipleyiti ze-bipolar zesinyithi zinamandla aphezulu oomatshini, zivumela ukuba zimelane noxinzelelo olukhulu kunye neempembelelo zangaphandle, nto leyo ezenza zifaneleke ukusetyenziswa ngobuninzi.
• Ukuqhubekeka kakuhle: Izixhobo zesinyithi zinokubunjwa ngokulula ngokunyathela, ukusika nge-laser, kunye nezinye iinkqubo zokuvelisa, nto leyo ekhokelela kwiindleko eziphantsi kunye nokusebenza kakuhle kwemveliso.

Izinto ezingalunganga

• Ukumelana Nokugqwala Okubi: Iintsimbi zichaphazeleka kukugqwala kwiimpendulo ze-electrochemical, ingakumbi xa zichaphazeleka ixesha elide kwindawo ye-hydrogen ne-oxygen. Oku kunokukhokelela ekungcoleni komphezulu kunye nokuwohloka, okunciphisa ubomi bazo.
• Ixabiso Eliphezulu: Iintsimbi ezisebenza kakuhle, ezifana nentsimbi engagqwaliyo kunye nee-alloys ze-titanium, zibiza kakhulu. Ukongeza, imfuneko yonyango lomphezulu oluchasene nokugqwala inyusa iindleko zemveliso.
• Ubunzima Obukhulu: Xa kuthelekiswa nezinye izinto, iipleyiti zesinyithi eziguquguqukayo zinzima, nto leyo enokuba ngumda kwizicelo ezinobunzima (umz., iimoto).

Izicelo
Iipleyiti ze-metal bipolar zihlala zisetyenziswa kwiinkqubo zeeseli zamafutha ezifuna amandla aphezulu kunye nokukhupha amandla aphezulu. Umzekelo, kwiinkqubo zokuvelisa umbane kwiiseli zamafutha ezinkulu okanye izixhobo zoshishino ezinamandla aphezulu, iipleyiti ze-metal bipolar zamkelwe kakhulu ngenxa yokuqina kwazo okugqwesileyo kunye nokuqina kwazo.

2. Ipleyiti yeGraphite Bipolar

Iiplate zeGraphite bipolarzezinye zezona zinto zisetyenziswa kakhulu kwiiseli zamafutha. I-Graphite ngokwayo ibonisa ukuhanjiswa kombane okugqwesileyo, ukumelana nokugqwala, kunye nokuzinza kumaqondo obushushu aphezulu. Ngokuhambela phambili kwetekhnoloji yokucubungula i-graphite, iiplate ze-graphite bipolar ziye zanda kancinci kancinci kwizicelo zeeseli zamafutha.

Iingenelo

• Ukumelana Okugqwesileyo Kokugqwala: I-Graphite ibonakalisa ukumelana okugqwesileyo ne-hydrogen, i-oxygen, kunye neendawo ezine-asidi, nto leyo evumela iiplate ze-graphite bipolar ukuba zigcine ukusebenza okuzinzileyo xa zisetyenziswa ixesha elide.
• Ubunzima obuphantsi: Ngenxa yokuba i-graphite ixinene kakhulu, iiplate ze-graphite bipolar zikhaphukhaphu, nto leyo eyenza ukuba zilungele ukusetyenziswa kwezithuthi ezinobunzima obufana nezithuthi zombane ze-fuel cell (FCEVs).
• Ukuqhuba Okuphezulu: Ukuqhuba kombane okuphezulu kweGraphite kunceda ekuphuculeni ukusebenza kakuhle kwebhetri iyonke.

Izinto ezingalunganga

• Uburhabaxa: I-Graphite ibuthathaka kwaye ayinabo ukuqina, nto leyo eyenza ukuba iqhekeke xa iphantsi koxinzelelo oluphezulu okanye ingcangcazelo enzima.
• Ukucubungula Okuntsonkothileyo: Nangona i-graphite ingasetyenziswa, ukuvelisa iiplate ze-graphite bipolar kufuna ukwenziwa ngokuchanekileyo, nto leyo enzima ukuyilawula. Ukongeza, ukusetyenziswa kwezithambisi ngexesha lokuvelisa kwandisa iindleko.
• Ukufunxwa komswakama: I-Graphite i-hygroscopic, kwaye ukuqokelelwa komswakama kunokuchaphazela kakubi ukuhanjiswa kwayo kunye nokumelana nokugqwala, ngakumbi kwiindawo ezinomswakama.

Izicelo

Iiplate ze-Graphite bipolar zisetyenziswa kakhulu kwiinkqubo zeeseli zamafutha ezincinci ukuya kweziphakathi, ingakumbi kwizicelo zothutho ezifana nezithuthi zombane zeeseli zamafutha (ii-FCEV). Ubume bazo obulula kunye nokumelana nokugqwala kuzenza zifaneleke kakhulu kwezi meko.

3. Ipleyiti yeBipolar yeGraphite edityanisiweyo

Iiplate ze-bipolar graphite ezidityanisiweyo luhlobo olutsha lwezinto ezidityanisiweyo ezenziwe ngokudibanisa i-graphite nezinye izinto (ezifana nee-resins kunye nee-carbon fibers). Inzuzo ye-composite graphite ikukwazi kwayo ukugcina iingenelo ze-graphite ngelixa ihlawula ubunzima bayo kunye nemingeni yokucubungula ngokongeza ezinye izinto.

Iingenelo

• Amandla Oomatshini Aphuculweyo: Ngokudibanisa ezinye izinto, i-graphite edityanisiweyo iphucula amandla oomatshini wezinto ezikrwada, inciphisa ubulukhuni be-graphite, kwaye inciphisa umngcipheko wokuqhekeka.
• Ukumelana Okugqwesileyo Nokugqwala: I-graphite edityanisiweyo igcina ukumelana okuphezulu nokugqwala kwe-graphite, okwenza ukuba ilungele ukuchatshazelwa ixesha elide kwiindawo ezine-asidi.
• Ubunzima obuphantsi kunye neendleko: Ngobunzima obuphantsi kunye neendleko zokuvelisa ezilawulwayo, i-composite graphite inika ukusebenza ngcono kweendleko kunezixhobo zesinyithi.

Izinto ezingalunganga

• Ukucutshungulwa Okuntsonkothileyo: Nangona kukho iingenelo zokusebenza, ukuvelisa i-composite graphite kufuna ubuchwepheshe obuphambili, kwaye ukuqinisekisa ukuba izinto ziyafana kuhlala kungumngeni, okunokuchaphazela uzinzo lwe-bipolar plate.
• Ukuqhuba Okuncitshisiweyo Kancinci: Ukongezwa kwezinye izinto kunokunciphisa kancinci ukuqhubela phambili ngokubanzi, okuchaphazela ukusebenza kakuhle kweeseli zepetroli xa kuthelekiswa negrafiti ecocekileyo.

Izicelo
Iiplate ze-graphite bipolar plates ezidityanisiweyo zisetyenziswa kakhulu kwiinkqubo zeeseli zamafutha ezifuna amandla aphezulu oomatshini kunye nobomi benkonzo ende, ingakumbi kwezothutho, ukuveliswa kwamandla aphathwayo, kunye neenkqubo zamandla okuxhasa. Ngokuqhubeka nophuhliso lobuchwepheshe, amathuba okusetyenziswa kwazo ayanda ngokukhawuleza.