He aha nā ʻano o ka pākaukau kaʻa uila ma laila?

'O nā pilahi ka'a ka'a ka mea pipi'i loa i loko o ke ka'a uila.

ʻO ke kumu kūʻai kiʻekiʻe, ʻoi aku ka maikaʻi o nā kaʻa uila ma mua o nā ʻano wahie ʻē aʻe, e lohi ana i ka hoʻohana ʻana i ka EV.

Lithium-ion
ʻO nā pākahi Lithium-ion ka mea kaulana loa. Me ka ʻole o ka nui o nā kikoʻī, hoʻokuʻu lākou a hoʻihoʻi i ka lawe ʻana o ka electrolyte i nā ion lithium i hoʻopiʻi maikaʻi ʻia mai ka anode a i ka cathode, a ʻo ia hoʻi. Eia nō naʻe, hiki ke ʻokoʻa nā mea i hoʻohana ʻia i ka cathode ma waena o nā pākahi lithium-ion.

ʻO LFP, NMC, a me NCA ʻekolu mau sub-chemistries ʻokoʻa o nā pā Lithium-ion. Hoʻohana ʻo LFP i ka Lithium-phosphate ma ke ʻano he cathode; Hoʻohana ka NMC i ka Lithium, Manganese, a me Cobalt; a me NCA hoʻohana i ka Nickel, Cobalt a me ka Aluminium.

ʻO nā pōmaikaʻi o nā pākahi Lithium-ion:
● ʻoi aku ka maikaʻi o ka hana ʻana ma mua o nā pihi NMC a me NCA.
● ʻOi aku ka lōʻihi o ke ola - hāʻawi i 2,500-3,000 piha piha / hoʻokuʻu ʻana i ka hoʻohālikelike ʻia me 1,000 no nā ʻoni NMC.
● E hoʻemi i ka wela i ka wā e hoʻopaʻa ai i hiki iā ia ke hoʻomau i ka mana kiʻekiʻe aʻe i loko o ka pihi hoʻopiʻi, e alakaʻi ana i ka hoʻopiʻi wikiwiki me ka pōʻino ʻole o ka pākaukau.
● Hiki ke hoʻopaʻa ʻia i ka 100% me ka pōʻino liʻiliʻi o ka pākaukau no ke kōkua ʻana i ka calibrate i ka pākaukau a hāʻawi i nā koho kikoʻī kikoʻī - ua ʻōlelo ʻia nā mea nona ka Model 3 me kahi pākahi LFP e mālama i ka palena o ka uku i 100%.

I ka makahiki i hala aku nei, ua hāʻawi maoli ʻo Tesla i kāna mau mea kūʻai Model 3 ma ʻAmelika i kahi koho ma waena o kahi NCA a i ʻole kahi pākaukau LFP. ʻOi aku ka māmā o ka pā uila NCA he 117kg a hāʻawi ʻia he 10 mau mile i ʻoi aku ka laulā, akā ʻoi aku ka lōʻihi o ka manawa alakaʻi. Eia nō naʻe, ʻōlelo ʻo Tesla e hoʻopiʻi wale ʻia ka ʻano pākaukau NCA i 90% o kona hiki. I nā huaʻōlelo ʻē aʻe, inā hoʻolālā ʻoe e hoʻohana mau i ka laulā piha, ʻoi aku ka maikaʻi o ka LFP.

Nickel-metal hydride
ʻO nā pākahi nickel-metal hydride (i hoʻopau ʻia iā NiMH) ʻo ia wale nō ke ʻano ʻē aʻe i nā pākahi lithium-ion i kēia manawa ma ka mākeke, ʻoiai ʻike pinepine ʻia lākou i nā kaʻa uila hybrid (ʻo Toyota ka hapa nui) e kū'ē i nā kaʻa uila maʻemaʻe.

ʻO ke kumu nui o kēia, ʻo ka nui o ka ikehu o nā pila NiMH e like me 40% haʻahaʻa ma mua o nā pā lithium-ion.