Ko te pākahiko hiko te ngākau o te waka hiko; ko te waitohu, te rauemi, te kaha, te mahi haumaru, me ērā atu o te pākahiko o te waka hiko kua noho hei "ahu" me ngā "tawhā" nui mō te ine i te waka hiko. I tēnei wā, ko te utu pākahiko o te waka hiko he 30%-40% o te waka katoa, ā, ka taea te kī he taputapu matua!
I tēnei wā, ko ngā pākahiko hiko matua e whakamahia ana i roto i ngā waka hiko i te mākete e wehea ana kia rua ngā momo: ngā pākahiko lithium ternary me ngā pākahiko lithium rino phosphate. Muri iho, me tātari poto e au ngā rerekētanga me ngā painga me ngā ngoikoretanga o ngā pākahiko e rua:
1. Ngā rauemi rerekē:
Ko te take i huaina ai ko "tersary lithium" me "lithium iron phosphate" e pā ana ki ngā huānga matū o te "rauemi hiko pai" o te pākahiko mana;
"Ritiumu tuatoru":
Ka whakamahia e te rauemi katote te rauemi katote toru o te lithium nickel cobalt manganate (Li(NiCoMn)O2) mō ngā pākahiko lithium. Ka whakakotahihia e tēnei rauemi ngā painga o te lithium cobalt oxide, te lithium nickel oxide me te lithium manganate, ka hangaia he pūnaha eutectic toru-wāhanga o ngā rauemi e toru. Nā te pānga synergistic toru, he pai ake tana mahi whānui i tētahi matū kotahi.
"Pūhaita rino Ritiumu":
e pā ana ki ngā pākahiko lithium-ion e whakamahi ana i te lithium rino phosphate hei rauemi cathode. Ko ōna āhuatanga ko te kore o ngā huānga konganuku utu nui pēnei i te cobalt, he iti te utu o ngā rauemi mata, ā, he nui ngā rauemi o te phosphorus me te rino i roto i te whenua, nō reira kāore he raruraru tuku.
whakarāpopototanga
He onge ngā rauemi lithium toru, ā, kei te piki haere tonu i te tere o te whanaketanga o ngā waka hiko. He teitei ā rātou utu, ā, he iti noa iho ngā rauemi mata e whakamahia ana mō te hanga waka. He āhuatanga tēnei o te lithium toru i tēnei wā;
Nā te mea he iti ake te ōwehenga o ngā konganuku onge/utu nui e whakamahia ana e te rino phosphate lithium, ā, he iti ake te utu me te nui o te rino, he iti ake te utu i ngā pākahiko lithium toru, ā, he iti ake te pānga o ngā rauemi mata o runga. Koinei tōna āhuatanga.
2. Ngā mātotoru pūngao rerekē:
"Pūhiko lithium ternary": Nā te whakamahinga o ngā huānga konganuku kaha ake, ko te mātotoru pūngao o ngā pūhiko lithium ternary matua ko te nuinga (140wh/kg~160 wh/kg), he iti iho i ērā o ngā pūhiko ternary he nui te ōwehenga nikara (160 wh/kg~180 wh/kg); ka taea e te taumaha o te pūngao te eke ki te 180Wh-240Wh/kg.
"Ritoite rino pākawa waro": Ko te mātotoru pūngao he 90-110 W/kg; ko ētahi pākahiko rino pākawa waro auaha, pērā i ngā pākahiko mata, he mātotoru pūngao tae atu ki te 120W/kg-140W/kg.
whakarāpopototanga
Ko te painga nui o te "pūhiko lithium ternary" i runga i te "lithium rino phosphate" ko tōna kiato pūngao nui me te tere utu tere.
3. Ngā rerekētanga o te urutau ki te pāmahana:
Ātete pāmahana iti:
Pūhiko lithium toru: He tino pai te mahi pāmahana-iti o te pūhiko lithium toru, ā, ka taea te pupuri i te 70% ~ 80% o te kaha pākahiko noa i te -20°C.
Rino pāhare pākawa waro: Kāore e ātete ki ngā pāmahana iti: Ina kei raro iho i te -10 te pāmahana°C,
Ka tere te pirau o ngā pākahiko lithium rino phosphate. Ka taea e ngā pākahiko lithium rino phosphate te pupuri i te 50% ki te 60% o te kaha pākahiko noa i te -20°C.
whakarāpopototanga
He rerekētanga nui te urutau pāmahana i waenga i te "pūhiko lithium ternary" me te "lithium iron phosphate"; he ātete ake te "lithium iron phosphate" ki ngā pāmahana teitei; ā, he pai ake te ora o te pūhiko o te "pūhiko lithium ternary" ātete pāmahana iti i ngā rohe raki, i te takurua rānei.
4. Ngā roanga oranga rerekē:
Mena ko te toenga o te kaha/te tīmatanga o te kaha = 80% ka whakamahia hei wāhi whakamutunga mō te whakamātautau, whakamātautauhia:
He roa ake te ora huringa o ngā pākahiko lithium rino phosphate i ngā pākahiko waikawa-mata me ngā pākahiko lithium toru. Ko te "ora roa rawa" o ā mātou pākahiko waikawa-mata e mau ana ki te waka he tata ki te 300 ngā wā; ko te pākahiko lithium toru ka roa pea ki te 2,000 ngā wā, engari i te whakamahinga tūturu, ka heke te kaha ki te 60% i muri i te tata ki te 1,000 ngā wā; ā, ko te ora tūturu o ngā pākahiko lithium rino phosphate he 2000 ngā wā, kei te 95% tonu te kaha i tēnei wā, ā, ko tōna ora huringa ariā ka eke ki te neke atu i te 3000 ngā wā.
whakarāpopototanga
Ko ngā pākahiko hiko te tihi hangarau o ngā pākahiko. He roa te ora o ngā momo pākahiko lithium e rua. I roto i te ariā, ko te roanga o te ora o te pākahiko lithium tuatoru he 2,000 huringa utu me te tuku. Ahakoa ka utua kotahi i te rā, ka roa pea mō te neke atu i te 5 tau.
5. He rerekē ngā utu:
Nā te mea kāore he konganuku utu nui i roto i ngā pākahiko lithium rino phosphate, ka taea te whakaiti i te utu o ngā rauemi mata. Ko ngā pākahiko lithium ternary e whakamahi ana i te lithium nickel cobalt manganate hei rauemi hiko pai me te graphite hei rauemi hiko kino, nō reira he nui ake te utu i ngā pākahiko lithium rino phosphate.
Ko te nuinga o te wā, ko te rauemi katote katote katote o te "lithium nickel cobalt manganate" me te "lithium nickel cobalt aluminate" hei irahiko pai, ko te nuinga o te wā ko te tote nickel, te tote cobalt, me te tote manganese hei rauemi mata. Ko te "huānga cobalt" i roto i ēnei rauemi katote e rua he konganuku utu nui. E ai ki ngā raraunga mai i ngā paetukutuku e tika ana, ko te utu tohutoro ā-rohe mō te konganuku cobalt he 413,000 yuan/tana, ā, i te whakahekenga o ngā rauemi, kei te piki tonu te utu. I tēnei wā, ko te utu mō ngā pākahiko lithium katote katote he 0.85-1 yuan/wh, ā, kei te piki haere tonu i tēnei wā me te tono a te mākete; ko te utu mō ngā pākahiko lithium rino phosphate kāore he huānga konganuku utu nui he tata ki te 0.58-0.6 yuan/wh anake.
whakarāpopototanga
Nā te mea kāore he konganuku utu nui pērā i te cobalt i roto i te "lithium rino phosphate", ko tōna utu he 0.5-0.7 ngā wā noa iho i te utu o ngā pākahiko lithium ternary; ko te utu iti tētahi o ngā painga nui o te lithium rino phosphate.
Whakarāpopototia
Ko te take i tupu ai ngā waka hiko i ngā tau tata nei, ā, koinei hoki te huarahi whanaketanga o ngā motuka ā muri ake nei, e pai ake ai te wheako o ngā kaihoko, ko te whanaketanga tonu o te hangarau pākahiko te nuinga o te wā.
Wā tuku: Oketopa-28-2023
