He maha ngā wā ka pāngia ngā kaipupuri waka hiko (EV) o te ao katoa e tētahi raruraru whakarihariha: ka pakaru ohorere ahakoa e whakaatu ana te tohu pākahiko i te mana e toe ana. Ko te nuinga o tēnei raruraru ko te nui rawa o te tukunga o te pākahiko lithium-ion, he mōrearea ka taea te whakaiti i tēnei mā te whakamahi i tētahi Pūnaha Whakahaere Pūhiko (BMS) tino mahi.
E whakaatu ana ngā raraunga ahumahi ka taea e te Pūnaha Whakahaere Pūhiko kua hoahoatia pai te whakaroa i te roa o te ora o te pākahiko lithium-ion tae atu ki te 30% me te whakaiti i ngā pakaru o te EV e pā ana ki ngā take pākahiko mā te 40%. I te tipu haere o te tono mō ngā waka hiko me ngā pūnaha rokiroki pūngao, ka piki haere te tūranga o te BMS. Ehara i te mea ka whakarite noa i te haumaru o te pākahiko engari ka arotau hoki i te whakamahinga pūngao, ka whakatairanga i te whanaketanga pumau o te umanga pūngao hou o te ao.
He maha ngā aho pūtau o tētahi kete pākahiko lithium-ion noa, ā, he mea nui te ōritetanga o ēnei pūtau mō te mahi whānui. Ina pakeke haere ngā pūtau takitahi, ina nui rawa te ātete ā-roto, ina ngoikore rānei ngā hononga, ka heke pea tō rātou ngaohiko ki tētahi taumata tino nui (2.7V te nuinga) i te tere atu i ētahi atu i te wā e tukuna ana. Kia puta tēnei, ka whakaoho tonu te BMS i te tiakitanga tuku-rahi, ka tapahia te pūtake hiko hei ārai i te kino o te pūtau kāore e taea te whakakore - ahakoa kei te teitei tonu te ngaohiko pākahiko katoa.
Mō te rokiroki mō te wā roa, ka tukuna e te BMS hou he aratau moe e whakahaerehia ana e te pana, e whakaiti ana i te whakapaunga hiko ki te 1% noa iho o te mahi noa. Ka ārai pai tēnei mahi i te hekenga o te pākahiko i puta mai i te ngaronga hiko mangere, he take noa e whakapoto ana i te roa o te pākahiko. Hei tāpiri, ka tautokohia e te BMS matatau ngā aratau whakahaere maha mā te pūmanawa rorohiko o runga, tae atu ki te whakahaere tukunga, te whakahaere utu-tukunga, me te whakahohenga moe, e taurite ana i waenga i te aroturuki wā-tūturu (pēnei i te hononga Nihokikorangi) me te rokiroki iti-mana.
Wā tuku: Oketopa-18-2025
