Anọdị silicon-carbon na-amalite ihe ịma aka zuru oke maka anọdị graphite (gụnyere coke petroleum graphitized) yana ọganihu teknụzụ na mbelata ọnụ ahịa. Agbanyeghị, "ocheeze" nke anọdị graphite na-adịgide adịgide n'oge dị mkpirikpi, ebe ọ na-eche ihe egwu nke ịbụ onye a ga-anọchi anya ya n'ọdịnihu. A na-eme nyocha ndị a site na akụkụ atọ: teknụzụ, ọnụ ahịa, na ojiji ahịa.
I. Akụkụ Teknụzụ: "Mmụba arụmọrụ" nke Silicon-Carbon Anodes megide "Mbelata nke Bottleneck" nke Graphite Anodes
Uru Mmalite nke Silicon-Carbon Anodes
- Ike Ike Kachasị Elu: Ike pụrụ iche nke silicon (4200mAh/g) karịrị okpukpu iri nke graphite (372mAh/g). Anọd silicon-carbon nke e ji CVD (Chemical Vapor Deposition) kwadebe na-egosi mmụba 50% na njupụta ike ma e jiri ya tụnyere graphite ọdịnala, yana ndụ okirikiri gafere okirikiri 1000 (dịka ọmụmaatụ, teknụzụ ọkpụkpụ carbon mesoporous nke Shanghai Xiba na-ebelata ọnụego ọzịza electrode ruo 5%).
- Mbelata Nsogbu Mgbasa Olu: Mkpụrụ silicon nanoscale jikọtara ya na ọkpụkpụ carbon nwere oghere na-etolite usoro "ihe na-eku ume", na-egbochi nrụgide mgbasa silicon nke ọma. Dịka ọmụmaatụ, batrị 4680 nke Tesla, site na iji CVD silicon-carbon anodes, na-enweta ihe karịrị okirikiri 2500 ma na-eme ka chajịa ngwa ngwa nkeji 8.
- Ndakọrịta Usoro Emelitere: Enwere ike ijikọta anodes silicon-carbon na semi-solid electrolytes, na-eme ka nchekwa na njupụta ike dịkwuo mma. anodes silicon-carbon nke Beijing Lier, jikọtara ya na electrolytes siri ike sulfide, na-enweta njupụta ike karịrị 500Wh/kg ma na-ebi ndụ okirikiri nke okirikiri 2000.
"Mmetụta Elu Ụlọ" nke Graphite Anodes
- Mmachi Arụmọrụ: Ike pụrụ iche nke graphite anodes erutela oke kachasị na tiori ya (360mAh/g), yana nsogbu dịka ndakọrịta elektrọl na-adịghị mma na ikike na-ebelata n'ihi mmepụta ihe nkiri SEI (Solid Electrolyte Interphase) n'oge usoro chajị/mwepụ mbụ.
- Ike Mgbanwe Nwere Ike: Ọ bụ ezie na enwere ike ime mgbanwe site na iji carbon dị nro, carbon siri ike, ma ọ bụ nanotubes carbon, ha enweghị ike ịgafe uru ikike echiche nke ihe ndị dabere na silicon. Dịka ọmụmaatụ, carbon siri ike, ọ bụ ezie na ọ na-enye ikike pụrụ iche karịa graphite, enweghị ikpo okwu chaja-mwepụ kwụsiri ike ma na-enwe mmebi ikike ngwa ngwa.
II. Akụkụ Ọnụ Ahịa: "Mbelata Ọnụ Ahịa" nke Silicon-Carbon Anodes megide "Uru Ọnụ Ahịa" nke Graphite Anodes
Mbelata Ọnụ Ahịa na Silicon-Carbon Anodes
- Ike Silane Gas: Gas Silane (SiH₄), ihe e ji emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na mbụ, nke a na-eji ebubata ihe (ọnụ ahịa ya ruru nde yuan abụọ kwa tọn). Kemgbe afọ 2023, ụlọ ọrụ ndị a ma ama enwetala mmepụta ihe n'ime obodo site na usoro mmepụta ihe nke ha wuru n'onwe ha, na-ebelata ọnụ ahịa ya ruo yuan 750,000 kwa tọn. Nke a emeela ka ọnụ ahịa nke ihe ndị na-emepụta ihe ...
- Nhazi nke Usoro CVD: Ọnụ ahịa akụrụngwa CVD n'ime obodo agbadala ruo otu ụzọ n'ụzọ atọ nke ndị ogbo ebubatala, ebe ikike otu igwe na-amụba okpukpu atọ. Dịka ọmụmaatụ, ikike mmepụta CVD nke otu ụlọ ọrụ na-eduga rịrị elu site na tọn 100/afọ ruo tọn 5000/afọ, na-ebelata ọnụ ahịa nkeji site na 40%.
- Ịdịgide n'Akụnụba: Ọ bụrụ na ọnụ ahịa silicon-carbon anode ada ruo ugboro 1.5 nke graphite, mmụba ọnụ ahịa maka ụgbọala eletriki A00 nke nwere batrị 30kWh ga-abụ ihe dị ka yuan 2000, ebe ọ na-enye mmụba 15% na oke, na-enye nnukwu uru ọnụ ahịa.
"Ọnụ ego" nke graphite Anodes
- Ọnụ ego dị ala maka ihe eji emepụta ihe: ihe eji emepụta ihe ndị dị ka petroleum coke na agịga coke, anaghị agbanwe agbanwe (dịka ọmụmaatụ, petroleum coke nke a na-emepụta graphitized dị na 1620-3000 yuan/ton).
- Usoro Mmepụta Ndị Tozuru Okè: Usoro mmepụta maka anodes graphite (ịchacha, ịkwakọba ihe, nhazi, nhazi graphitization okpomọkụ dị elu) bụ nke a na-ahazi nke ọma, nke na-eme ka njikwa ọnụ ahịa dị n'okpuru mmepụta oke.
- Uru Ọnụego Dị Mkpirikpi: N'ihe gbasara nchekwa ike (na-emetụta ndụ okirikiri mana ọ naghị achọ oke ike) na ahịa ụgbọala eletrik dị ala, graphite anodes na-ejigide uru ọnụ ahịa.
Atọ. Akụkụ Ngwa Ahịa: "Mbanye Ahịa" nke Silicon-Carbon Anodes megide "Ahịa Dị Adị" nke Graphite Anodes
"Ụzọ Uto Dị Elu" nke Silicon-Carbon Anodes
- Batrị Ike: Ụlọ ọrụ ndị a ma ama dịka CATL na Tesla abụrụla ndị mbụ na-emepụta batrị silicon-carbon anode n'ọtụtụ ebe. A na-atụ anya na ọchịchọ zuru ụwa ọnụ maka silicon-carbon anode ga-eru tọn 60,000-70,000 ka ọ na-erule 2026, nke kwekọrọ na nha ahịa nke yuan ijeri 18-21.
- Ngwa Eletrọniki Ndị Ahịa: Anọd silicon-carbon abanyela n'ime ihe karịrị 25% nke ekwentị mkpanaaka dị elu (dịka ọmụmaatụ, Honor Magic5 Pro), na-eme ka ikike batrị dịkwuo elu site na 15% ebe ọ na-agbakwụnye naanị 0.1mm n'ọkpụrụkpụ.
- Batrị Steeti Siri Ike: Anọdị silicon-carbon, yana electrolytes siri ike, na-anọchite anya ntụziaka teknụzụ ogologo oge. Dịka ọmụmaatụ, anodị silicon-carbon nke Beijing Lier, jikọtara ya na electrolytes siri ike nke sulfide, na-enweta njupụta ike karịrị 500Wh/kg.
"Nchekwa Ahịa Dị Ugbu A" nke Graphite Anodes
- Ike Ahịa: Anọd graphite ugbu a bụ ihe karịrị 95% nke ahịa ihe eji eme batrị lithium-ion (nke nwere graphite arụrụ arụ nke nwere 80%), nke na-eme ka ọ ghara ịdị mfe ịgbanwe ya kpamkpam n'oge dị mkpirikpi.
- Nkwụsi Ike n'Ọhịa Niche: N'ebe nchekwa ike (dịka ọmụmaatụ, ebe nchekwa kesara) na ahịa ụgbọala eletrik dị ala, graphite anodes na-anọgide na-enwe ọnọdụ n'ihi uru ọnụ ahịa na ndụ okirikiri gafere okirikiri 6000.
IV. Echiche Ọdịnihu: Ogologo oge ole ka Graphite Anodes ga-ejigide “ocheeze” ha?
- Oge Dị Mkpirikpi (Afọ 1-3): Anọd graphite ga-anọgide na-achị, mana anọd silicon-carbon ga-eme ka ike ịbanye na batrị ike na ngwa eletrọniki ndị ahịa dị elu dịkwuo elu ngwa ngwa.
- Oge Ọkara (Afọ 3-5): Ọ bụrụ na ọnụ ahịa anode silicon-carbon kwekọrọ na anode graphite (a na-atụ anya ya na 2026), njupụta ike ha na uru ha na-enweta na-agba ọsọ ọsọ ga-eme ka a na-agbanwe nnukwu ego na ahịa nchekwa ike na obere ụgbọala eletrik.
- Ogologo Oge (Afọ 5+): Anọd silicon-carbon, yana electrolytes siri ike, nwere ike ịghọ isi ihe dị mkpa na teknụzụ batrị ọgbọ na-abịa, nke nwere ike imebi ikike graphite anodes.
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Oge ozi: Disemba-22-2025