Betri ea motlakase e bitsoa pelo ea koloi ea motlakase; lets'oao, thepa, bokhoni, ts'ebetso ea polokeho, jj. ea betri ea koloi ea motlakase e fetohile "litekanyo" tsa bohlokoa le "liparamente" bakeng sa ho lekanya koloi ea motlakase. Hona joale, litšenyehelo tsa betri ea koloi ea motlakase ka kakaretso ke 30%-40% ea koloi eohle, e leng se ka boleloang e le sesebelisoa sa mantlha!
Hajoale, libeteri tsa motlakase tse sebelisoang likoloing tsa motlakase 'marakeng ka kakaretso li arotsoe ka mefuta e 'meli: libeteri tsa lithium tsa ternary le libeteri tsa phosphate ea tšepe ea lithium. Ka mor'a moo, e re ke sekaseke ka bokhutšoanyane liphapang le melemo le mefokolo ea libeteri tsena tse peli:
1. Lisebelisoa tse fapaneng:
Lebaka leo ka lona e bitsoang "ternary lithium" le "lithium iron phosphate" haholo-holo le bolela likarolo tsa lik'hemik'hale tsa "thepa ea electrode e ntle" ea betri ea motlakase;
"Lithium ea Ternary":
Thepa ea cathode e sebelisa thepa ea ternary cathode ea lithium nickel cobalt manganate (Li(NiCoMn)O2) bakeng sa libeteri tsa lithium. Thepa ena e kopanya melemo ea lithium cobalt oxide, lithium nickel oxide le lithium manganate, e leng se etsang sistimi ea eutectic ea mekhahlelo e meraro ea thepa e meraro. Ka lebaka la phello ea ternary synergistic, ts'ebetso ea eona e felletseng e betere ho feta motsoako ofe kapa ofe o le mong.
"Lithium tšepe phosphate":
e bua ka libeteri tsa lithium-ion tse sebelisang lithium iron phosphate e le thepa ea cathode. Litšobotsi tsa eona ke hore ha e na likarolo tsa tšepe tsa bohlokoa tse kang cobalt, theko ea thepa e tala e tlase, 'me mehloli ea phosphorus le tšepe e ngata lefatšeng, kahoo ho ke ke ha e-ba le mathata a phepelo.
kakaretso
Thepa ea lithium ea Ternary ha e fumanehe habonolo 'me e ntse e nyoloha ka lebaka la nts'etsopele e potlakileng ea likoloi tsa motlakase. Litheko tsa tsona li holimo 'me li thibetsoe haholo ke thepa e tala e holimo. Ena ke tšobotsi ea lithium ea ternary hajoale;
Phosphate ea tšepe ea lithium, hobane e sebelisa karolelano e tlase ea litšepe tse sa tloaelehang/tsa bohlokoa 'me haholo-holo e theko e tlase ebile e ngata, e theko e tlase ho feta libeteri tsa lithium tsa ternary 'me ha e amehe haholo ke thepa e tala e holimo. Ena ke tšobotsi ea eona.
2. Matla a fapaneng a matla:
"Betri ea lithium ea Ternary": Ka lebaka la tšebeliso ea likarolo tsa tšepe tse sebetsang haholoanyane, bongata ba matla a libeteri tsa lithium tse kholo tsa ternary hangata ke (140wh/kg ~ 160 wh/kg), e leng tlase ho feta libeteri tsa ternary tse nang le karolelano e phahameng ea nickel (160 wh/kg).～180 wh/kg); boima bo itseng ba matla bo ka fihla ho 180Wh-240Wh/kg.
"Lithium iron phosphate": Bongata ba matla ka kakaretso ke 90-110 W/kg; libeteri tse ling tse ncha tsa lithium iron phosphate, tse kang libeteri tsa lehare, li na le boima ba matla bo fihlang ho 120W/kg-140W/kg.
kakaretso
Molemo o moholo ka ho fetisisa oa "betri ea lithium ea ternary" ho feta "lithium iron phosphate" ke matla a eona a phahameng le lebelo la ho tjhaja ka potlako.
3. Ho ikamahanya le maemo ha mocheso ho fapaneng:
Khanyetso ea mocheso o tlase:
Betri ea lithium ea Ternary: Betri ea lithium ea Ternary e na le ts'ebetso e ntle haholo mochesong o tlase 'me e ka boloka hoo e ka bang 70% ~ 80% ea matla a tloaelehileng a betri ho -20°C.
Phosphate ea tšepe ea lithium: Ha e hanele mocheso o tlase: Ha mocheso o le ka tlase ho -10°C,
Libetri tsa phosphate ea tšepe ea lithium li bola kapele haholo. Libetri tsa phosphate ea tšepe ea lithium li ka boloka hoo e ka bang 50% ho isa ho 60% ea matla a tloaelehileng a betri ho -20°C.
kakaretso
Ho na le phapang e kholo tabeng ea ho ikamahanya le mocheso pakeng tsa "betri ea lithium ea ternary" le "lithium iron phosphate"; "lithium iron phosphate" e hanela mocheso o phahameng haholoanyane; 'me "betri ea lithium ea ternary" e hanela mocheso o tlase e na le bophelo bo betere ba betri libakeng tse ka leboea kapa mariha.
4. Linako tse fapaneng tsa bophelo:
Haeba bokgoni bo setseng/bokgoni ba pele = 80% bo sebediswa e le ntlha ya pheletso ya teko, leka:
Libetri tsa lithium iron phosphate li na le nako e telele ea potoloho ho feta libeteri tsa lead-acid le libeteri tsa lithium tse ternary. "Bophelo bo bolelele ka ho fetisisa" ba libeteri tsa rona tse kentsoeng koloing tse nang le lead-acid ke makhetlo a ka bang 300 feela; betri ea lithium e ternary e ka nka nako e ka bang makhetlo a 2,000, empa ts'ebelisong ea 'nete, bokhoni bo tla bola ho fihlela ho 60% kamora makhetlo a ka bang 1,000; 'me bophelo ba 'nete ba libeteri tsa lithium iron phosphate ke makhetlo a 2000, ho ntse ho na le bokhoni ba 95% nakong ena, 'me bophelo ba potoloho ea eona ea mohopolo bo fihla makhetlo a fetang 3000.
kakaretso
Libetri tsa motlakase ke sehlohlolo sa theknoloji sa libetri. Mefuta ena ka bobeli ea libetri tsa lithium e tšoarella ka mokhoa o batlang o tšoana. Ho ea ka khopolo-taba, nako ea bophelo ea betri ea lithium ea ternary ke lipotoloho tsa ho tjhaja le ho ntša metsi tse 2,000. Esita le haeba re e tjhaja hanngoe ka letsatsi, e ka nka lilemo tse fetang 5.
5. Litheko li fapane:
Kaha libeteri tsa phosphate ea tšepe ea lithium ha li na thepa ea bohlokoa ea tšepe, litšenyehelo tsa thepa e tala li ka fokotsoa haholo. Libeteri tsa lithium tse nang le ternary li sebelisa lithium nickel cobalt manganate e le thepa ea electrode e ntle le graphite e le thepa ea electrode e mpe, kahoo litšenyehelo li theko e boima haholo ho feta libeteri tsa phosphate ea tšepe ea lithium.
Betri ea lithium ea ternary e sebelisa haholo-holo thepa ea cathode ea ternary ea "lithium nickel cobalt manganate" kapa "lithium nickel cobalt aluminate" e le electrode e ntle, haholo-holo e sebelisa letsoai la nickel, letsoai la cobalt le letsoai la manganese e le thepa e tala. "Karolo ea cobalt" linthong tsena tse peli tsa cathode ke tšepe ea bohlokoa. Ho ea ka lintlha tse tsoang liwebsaeteng tse amehang, theko ea referense ea tšepe ea cobalt ea lehae ke 413,000 yuan/ton, 'me ka phokotso ea thepa, theko e ntse e tsoela pele ho nyoloha. Hona joale, litšenyehelo tsa libeteri tsa lithium tsa ternary ke 0.85-1 yuan/wh, 'me hajoale e ntse e nyoloha ka tlhoko ea' maraka; litšenyehelo tsa libeteri tsa phosphate ea tšepe ea lithium tse se nang likarolo tsa tšepe ea bohlokoa ke hoo e ka bang 0.58-0.6 yuan/wh feela.
kakaretso
Kaha "lithium iron phosphate" ha e na litšepe tsa bohlokoa tse kang cobalt, theko ea eona e feta libeteri tsa lithium tse tharo ka makhetlo a 0.5-0.7 feela; theko e tlase ke molemo o moholo oa lithium iron phosphate.
Akaretsa
Lebaka leo ka lona likoloi tsa motlakase li atlehileng lilemong tsa morao tjena 'me li emela tataiso ea nakong e tlang ea nts'etsopele ea likoloi, e fang bareki phihlelo e betere haholoanyane, haholo-holo ke nts'etsopele e tsoelang pele ea theknoloji ea betri ea motlakase.
Nako ea poso: Mphalane-28-2023
