Pereti Karāpiti Pirau, karāpetipereti rua-iramō te pūtau wahie hauwai,
Pereti Karāpiti Pirau, pereti rua-ira, pereti waro rua-polar, Pereti Pūtau Wahie Bipolar, Pereti Pirau-ā-Whārite,

Kua whakawhanakehia e mātou he pereti bipolar karāhe utu-pai mō te PEMFC, e hiahia ana kia whakamahia he pereti bipolar matatau me te kawe hiko teitei me te kaha miihini pai. Mā ā mātou pereti bipolar ka taea e ngā pūtau wahie te mahi i ngā pāmahana teitei, ā, he pai hoki te kawe hiko me te wera.
Ka tukuna atu e mātou te rauemi karāpeti kua whakakiia ki te kapia kia kore ai e uru te hau me te kaha nui. Heoi, ka mau tonu ngā āhuatanga pai o te karāpeti i roto i te kawe hiko me te kawe wera nui.
Ka taea e mātou te mīhini i ngā pereti bipolar i ngā taha e rua me ngā mara rere, te mīhini rānei i te taha kotahi, te whakarato rānei i ngā pereti pātea kāore anō kia mīhinihia. Ka taea te mīhini i ngā pereti graphite katoa kia rite ki tāu hoahoa taipitopito.
Pereti Pirau-ā-WhāriteRauemi Raraunga Rauemi:
| Rauemi | Te Kīanga Papatipu | Whakapiko Kaha | Kaha Pehi | Ātete Motuhake | Pūwero Tuwhera |
| GRI-1 | 1.9 g/cc min | 45 Mpa min | 90 Mpa min | 10.0 moroiti ohm.m te mōrahi | 5% te mōrahi |
| He maha atu ngā momo rauemi karāhe e wātea ana hei whiriwhiri māu kia rite ki te tono motuhake. | |||||
Ngā Āhuatanga:
– Kāore e uru ki ngā hau (hauwai me te hāora)
– Te kawe hiko tino pai
– He taurite i waenga i te kawe hiko, te kaha, te rahi me te taumaha
– Ātete ki te waikura
– Ngāwari ki te whakaputa i roto i te puranga Ngā Āhuatanga:
– He whai hua te utu











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