Papa Bipolar, papa Bipolar no ke kelepona wahie

Nā papa bipolar(BPs) he ʻāpana koʻikoʻi omembrane hoʻololi proton (PEM)nā pūnaewele wahie me ke ʻano multifunctional. Hoʻolaha like lākou i ke kinoea wahie a me ka ea, alakaʻi i ke au uila mai ke kelepona a i ke kelepona, wehe i ka wela mai ka wahi hana, a pale i ka leakage o nā kinoea a me ka coolant. Hāʻawi nui nā BP i ka nui, ke kaumaha a me ke kumukūʻai o PEMnā puʻu kelepona wahie.

Nā papa bipolarE hoʻokaʻawale i nā kinoea reactant a hoʻolaha iā lākou ma kēlā me kēia ʻaoʻao ma luna o ka ʻāpana hana holoʻokoʻa o ka MEA. Hoʻopau pū nā papa Bipolar i nā kinoea a me ka wai i hana ʻole ʻia mai ka ʻāpana hana o ka MEA. Pono nā papa Bipolar e alakaʻi uila, kūpaʻa loa i nā kemika i nā kūlana hana, a alakaʻi wela loa no ka hoʻoili wela maikaʻi aʻe ma waena o ke kelepona. Hana ʻia nā papa Bipolar no LT- a me HT-PEMFC me nā mea like, akā pono ka mea papa bipolar HT-PEMFC e hoʻomanawanui i kahi hiki ke uila paʻa, kahi pH haʻahaʻa a me nā mahana a hiki i ka 200°C. Pono e alakaʻi uila a me ka wela nā papa bipolar.

ʻO kekahi o kēia mau hana e pili ana i ka hoʻokaʻawale ʻana o ka wahie a me ka oxidant i loko o nā cell, ka hoʻokaʻawale ʻana oʻo nā ʻāpana like ʻole, ka hōʻiliʻili ʻana o ke au uila i hana ʻia, ka hoʻokuʻu ʻana i ka wai mai kēlā me kēia ʻāpana, ka hoʻohaʻahaʻa ʻana o nā kinoea a me ka hoʻolulu ʻana o nā ʻāpana. Loaʻa i nā papa Bipolar nā kahawai e ʻae ai i ka hele ʻana o nā reactants (wahie a me ka oxidant) ma kēlā me kēia ʻaoʻao. Hoʻokumu lākou i nā keʻena anode a me cathode ma nā ʻaoʻao ʻē aʻe o ka papa bipolar. Hiki ke ʻokoʻa ka hoʻolālā o nā kahawai kahe; hiki ke linear, coiled, parallel.

ʻO VET ka papa bipolarmamea hana loea i nā ʻāpana kelepona wahie hana kiʻekiʻe nonā mea hana huahana, nā mea noiʻi a me nā mea hoʻonaʻauao a puni ka honua.Ua hoʻomohala mākou i nā papa bipolar graphite kūpono no ke kumukūʻaiKelepona Wahie(PEMFC) ʻo ia hoʻi nā papa bipolar holomua me ka conductivity uila kiʻekiʻe a me ka ikaika mechanical maikaʻi. ʻAe nā papa bipolar i nā cell wahie e hana i nā mahana kiʻekiʻe a loaʻa iā lākou ka conductivity uila a me ka thermal maikaʻi loa.