Ua kapa ʻia ka pila uila ʻo ia ka puʻuwai o kahi kaʻa uila; ua lilo ka lama, ka mea hana, ka mana, ka hana palekana, a me nā mea ʻē aʻe o ka pila uila i mau "ana" a me nā "palapala" koʻikoʻi no ke ana ʻana i kahi kaʻa uila. I kēia manawa, ʻo ke kumukūʻai o ka pila uila o kahi kaʻa uila he 30%-40% o ke kaʻa holoʻokoʻa, hiki ke ʻōlelo ʻia he mea pono nui!
I kēia manawa, ua māhele ʻia nā pila mana nui i hoʻohana ʻia i nā kaʻa uila ma ka mākeke i ʻelua ʻano: nā pila lithium ternary a me nā pila lithium hao phosphate. A laila, e ʻae mai iaʻu e kālailai pōkole i nā ʻokoʻa a me nā pono a me nā hemahema o nā pila ʻelua:
1. Nā mea like ʻole:
ʻO ke kumu i kapa ʻia ai ʻo "ternary lithium" a me "lithium iron phosphate" e pili nui ana i nā mea kemika o ka "mea electrode maikaʻi" o ka pā uila mana;
"Litiuma ʻekolu":
Hoʻohana ka mea cathode i ka mea ternary cathode lithium nickel cobalt manganate (Li(NiCoMn)O2) no nā pila lithium. Hoʻohui kēia mea i nā pono o ka lithium cobalt oxide, lithium nickel oxide a me ka lithium manganate, e hana ana i kahi ʻōnaehana eutectic ʻekolu-phase o nā mea ʻekolu. Ma muli o ka hopena synergistic ternary, ʻoi aku ka maikaʻi o kāna hana piha ma mua o kekahi hui hoʻokahi.
"Lithium hao phosphate":
ʻO kona ʻano, ʻaʻohe ona metala makamae e like me ka cobalt, haʻahaʻa ke kumukūʻai o nā mea maka, a nui nā kumuwaiwai o ka phosphorus a me ka hao i ka honua, no laila ʻaʻohe pilikia o ka lako.
hōʻuluʻulu manaʻo
He kakaikahi nā mea lithium Ternary a ke piʻi nei me ka wikiwiki o ka hoʻomohala ʻana o nā kaʻa uila. Kiʻekiʻe ko lākou kumukūʻai a ua kaupalena nui ʻia lākou e nā mea maka o luna. He ʻano kēia o ka lithium ternary i kēia manawa;
ʻOi aku ka liʻiliʻi o ke kumukūʻai o ka lithium iron phosphate ma mua o nā pila lithium ternary a ʻaʻole i hoʻopilikia nui ʻia e nā mea maka o luna. ʻO kēia kona ʻano.
2. Nā ʻano ikehu like ʻole:
"Pākahiko lithium Ternary": Ma muli o ka hoʻohana ʻana i nā mea metala ʻoi aku ka ikaika, ʻo ka nui o ka ikehu o nā pākahiko lithium ternary maʻamau he (140wh/kg ~ 160 wh/kg), ʻoi aku ka haʻahaʻa ma mua o nā pākahiko ternary me ka lakio nickel kiʻekiʻe (160 wh/kg~180 wh/kg); hiki i kekahi kaumaha o ka ikehu ke piʻi i 180Wh-240Wh/kg.
"Lithium iron phosphate": ʻO ka nui o ka ikehu maʻamau he 90-110 W/kg; ʻo kekahi mau pila lithium iron phosphate hou, e like me nā pila blade, he nui ko lākou ikehu a hiki i ka 120W/kg-140W/kg.
hōʻuluʻulu manaʻo
ʻO ka pōmaikaʻi nui o ka "ternary lithium battery" ma luna o ka "lithium iron phosphate" ʻo ia kona nui o ka ikehu a me ka wikiwiki o ka hoʻouka ʻana.
3. ʻOkoʻa ka hoʻololi ʻana i ka mahana:
Ke kū'ē wela haʻahaʻa:
Pākahi lithium Ternary: Loaʻa i ka pākahi lithium Ternary ka hana haʻahaʻa haʻahaʻa maikaʻi loa a hiki ke mālama i kahi 70% ~ 80% o ka mana pākahiko maʻamau ma -20°C.
ʻO ka phosphate hao Lithium: ʻAʻole kūpaʻa i nā mahana haʻahaʻa: Ke emi ka mahana ma lalo o -10°C,
palaho koke nā pila lithium hao phosphate. Hiki i nā pila lithium hao phosphate ke mālama i kahi 50% a 60% o ka mana maʻamau o ka pila ma -20°C.
hōʻuluʻulu manaʻo
Aia kahi ʻokoʻa nui i ka hoʻololi ʻana i ka mahana ma waena o ka "ternary lithium battery" a me ka "lithium iron phosphate"; ʻoi aku ka paʻa o ka "lithium iron phosphate" i nā mahana kiʻekiʻe; a ʻoi aku ka maikaʻi o ke ola pākaukau o ka "ternary lithium battery" haʻahaʻa-wela ma nā wahi ʻākau a i ʻole ka hoʻoilo.
4. Nā ola like ʻole:
Inā hoʻohana ʻia ke koena o ka mana/mana mua = 80% ma ke ʻano he wahi hoʻopau hoʻāʻo, e hoʻāʻo:
ʻOi aku ka lōʻihi o ke ola o nā pākahiko lithium hao phosphate ma mua o nā pākahiko kēpau-ʻakika a me nā pākahiko lithium ternary. ʻO ke "ola lōʻihi loa" o kā mākou mau pākahiko kēpau-ʻakika i kau ʻia ma ke kaʻa he 300 mau manawa wale nō; hiki i ka pākahiko lithium ternary ke mau a hiki i 2,000 mau manawa, akā i ka hoʻohana maoli ʻana, e emi ana ka mana i 60% ma hope o kahi 1,000 mau manawa; a ʻo ke ola maoli o nā pākahiko lithium hao phosphate he 2000 mau manawa, aia nō he 95% ka mana i kēia manawa, a ʻoi aku ka lōʻihi o kona ola pōʻaiapuni manaʻo ma mua o 3000 mau manawa.
hōʻuluʻulu manaʻo
ʻO nā pila uila ka piko ʻenehana o nā pila. He paʻa loa nā ʻano ʻelua o nā pila lithium. Ma ke kumumanaʻo, ʻo ke ola o kahi pila lithium ternary he 2,000 mau pōʻaiapuni hoʻouka a hoʻokuʻu. Inā paha e hoʻouka mākou iā ia i hoʻokahi manawa i ka lā, hiki iā ia ke mau no nā makahiki he 5 a ʻoi.
5. ʻOkoʻa nā kumukūʻai:
ʻOiai ʻaʻohe mea metala makamae i loko o nā pākahiko lithium hao phosphate, hiki ke hoʻemi haʻahaʻa loa ʻia ke kumukūʻai o nā mea maka. Hoʻohana nā pākahiko lithium Ternary i ka lithium nickel cobalt manganate ma ke ʻano he mea electrode maikaʻi a me ka graphite ma ke ʻano he mea electrode maikaʻi ʻole, no laila ʻoi aku ke kumukūʻai ma mua o nā pākahiko lithium hao phosphate.
Hoʻohana nui ka pākahiko lithium ternary i ka mea cathode ternary o "lithium nickel cobalt manganate" a i ʻole "lithium nickel cobalt aluminate" ma ke ʻano he electrode maikaʻi, e hoʻohana nui ana i ka paʻakai nickel, ka paʻakai cobalt, a me ka paʻakai manganese ma ke ʻano he mea maka. ʻO ka "element cobalt" i loko o kēia mau mea cathode ʻelua he metala makamae. Wahi a ka ʻikepili mai nā pūnaewele pili, ʻo ke kumukūʻai kuhikuhi kūloko o ka metala cobalt he 413,000 yuan/ton, a me ka emi ʻana o nā mea, ke piʻi mau nei ke kumukūʻai. I kēia manawa, ʻo ke kumukūʻai o nā pākahiko lithium ternary he 0.85-1 yuan/wh, a ke piʻi nei ia me ke koi o ka mākeke; ʻo ke kumukūʻai o nā pākahiko lithium hao phosphate ʻaʻohe ona mea metala makamae he 0.58-0.6 yuan/wh wale nō.
hōʻuluʻulu manaʻo
ʻOiai ʻaʻohe metala makamae e like me ka cobalt i loko o ka "lithium iron phosphate", ʻo kona kumukūʻai he 0.5-0.7 manawa wale nō ia o nā pila lithium ternary; ʻo ke kumukūʻai haʻahaʻa kahi pōmaikaʻi nui o ka lithium iron phosphate.
Hōʻuluʻulu manaʻo
ʻO ke kumu i ulu ai nā kaʻa uila i nā makahiki i hala iho nei a ke hōʻike nei i ke kuhikuhi e hiki mai ana o ka hoʻomohala ʻana i nā kaʻa, e hāʻawi ana i nā mea kūʻai aku i kahi ʻike maikaʻi aʻe, ʻo ia ke kumu nui o ka hoʻomohala mau ʻana o ka ʻenehana pākaukau mana.
Ka manawa hoʻouna: ʻOkakopa-28-2023
