Ipleyiti ye-bipolar yeyona nto iphambili kwi-reactor, enefuthe elikhulu ekusebenzeni nakwixabiso le-reactor. Okwangoku, ipleyiti ye-bipolar yahlulwe ngokubanzi yaba yi-graphite plate, ipleyiti edibeneyo kunye nepleyiti yesinyithi ngokwezinto ezisetyenzisiweyo.
Ipleyiti ye-Bipolar yenye yezona ndawo ziphambili ze-PEMFC, indima yayo ephambili kukuthutha igesi ngokusebenzisa umhlaba ohambayo, ukuqokelela nokuqhuba umbane, ubushushu kunye namanzi aveliswa yi-reaction. Ngokuxhomekeke kuhlobo lwezinto, ubunzima be-PEMFCs stack bumalunga ne-60% ukuya kwi-80% kwaye ixabiso limalunga ne-30%. Ngokweemfuno zokusebenza kwepleyiti ye-bipolar, kwaye xa kujongwa imeko-bume ye-acidic electrochemical reaction ye-PEMFC, ipleyiti ye-bipolar iyadingeka ukuba ibe neemfuno eziphezulu zokuqhuba umbane, ukuqina komoya, iimpawu zoomatshini, ukumelana nokugqwala, njl.
Ipleyiti ephindwe kabini ngokwezixhobo yahlulwe yangamacandelo amathathu ipleyiti yegrafiti, ipleyiti edityanisiweyo, ipleyiti yesinyithi, ipleyiti ephindwe kabini yegrafiti yeyona isetyenziswa kakhulu okwangoku. Ipleyiti ephindwe kabini yePEMFC yasekhaya, ukuqhuba kombane, ukuqhuba kobushushu, ukuzinza okuhle kunye nokumelana nokugqwala kunye neminye imisebenzi kodwa iipropati zoomatshini eziphantsi, ubunzima bokuqhekeka, ubunzima bokusebenza bukhokelela kwiingxaki zeendleko eziphezulu ezithwaxwa ngabavelisi abaninzi.
Igrafayithiipleyiti ye-bipolarintshayelelo:
Iipleyiti zeBipolar ezenziwe ngegraphite zinombane oqhuba kakuhle, ubushushu obuphezulu kunye nokumelana nokugqwala, kwaye zezona plate zeBipolar ezisetyenziswa kakhulu kwiPEMFCS. Nangona kunjalo, iingxaki zayo zikwabonakala ngakumbi: ubushushu begraphitization yeplate yegraphite buhlala buphezulu kune-2500℃, ekufuneka yenziwe ngokwenkqubo yokufudumeza engqongqo, kwaye ixesha lide; Inkqubo yokugaya iyancipha, umjikelo mde, kwaye ukuchaneka komatshini kuphezulu, okubangela iindleko eziphezulu zeplate yegraphite; Igraphite ibuthathaka, ipleyiti egqityiweyo kufuneka iphathwe ngononophelo, ukuhlanganiswa kunzima; Igraphite inemingxuma, ngoko ke iipleyiti kufuneka zibe ziimilimitha ezimbalwa ubukhulu ukuvumela iigesi ukuba zahlukane, okubangela ukuba izinto ngokwazo zibe noxinano oluphantsi, kodwa zibe yimveliso egqityiweyo enzima.
Ukulungiswa kwegrafitiipleyiti ye-bipolar：
I-toner okanye i-graphite powder ixutywa ne-resin e-graphised, yenziwe nge-press, kwaye i-graphised kubushushu obuphezulu (ngesiqhelo kwi-2200 ~ 2800C) kwindawo epholileyo okanye phantsi kweemeko ze-vacuum. Emva koko, i-graphite plate iyafunxwa ukuze ivale umngxuma, kwaye emva koko umatshini wokulawula amanani usetyenziselwa ukucubungula indlela yegesi efunekayo kumphezulu wayo. I-GRAPHITIZATION YOBUSHUSHU OBUPHEZULU NOKUSETYENZISWA KWEE-GAS CHANNELS ZIZIZATHU EZIPHAMBILI ZEXABISO ELIPHEZULU LEZI-BIPOLAR PLATES, NGOKUBA I-MACHINING IBALELA phantse i-60% YEXABISO LIPHELELEYO LE-FUEL CELL.
Ipleyiti yeBipolaryenye yezona zinto ziphambili kwi-fuel cell stack. Imisebenzi yayo ephambili yile ilandelayo:
1, uqhagamshelo lwebhetri enye
2. Ukuhambisa ipetroli (H2) kunye nomoya (02)
3, Ukuqokelelwa kwangoku kunye nokuqhuba
4, i-stack yenkxaso kunye ne-MEA
5. Ukususa ubushushu obuveliswa yimpendulo
6. Khupha amanzi aveliswe kwi-reaction
Ixesha lokuthumela: Julayi-29-2022