Cov hluav taws xob graphite qhia txog lub peev xwm tseem ceeb hauv kev lag luam ncig. Lawv cov kev siv rov qab thiab kev siv dua tsis yog tsuas yog ua raws li cov lus qhia ntawm txoj cai rau kev txuag cov peev txheej thiab kev tiv thaiv ib puag ncig xwb tab sis kuj ua tiav qhov xwm txheej yeej-yeej ntawm tus nqi kev lag luam thiab cov txiaj ntsig ecological los ntawm kev tshawb pom thev naus laus zis. Cov kev tshuaj xyuas hauv qab no tshawb nrhiav qhov peev xwm no los ntawm tsib qhov ntsuas: kev rov ua dua tshiab ntawm cov peev txheej, kev siv nyiaj tsim nyog, kev nce qib thev naus laus zis, kev txhawb nqa txoj cai, thiab kev xav tau ntawm kev ua lag luam.
Kev Tsim Kho Dua Tshiab: Hloov Cov Hluav Taws Xob Graphite Pov Tseg Mus Ua Cov Khoom Muaj Nqis
Cov hluav taws xob graphite tsim cov khoom seem thiab pov tseg ntau heev thaum lub sijhawm ua thiab siv. Piv txwv li, cov khib nyiab tsim tawm vim yog qhov tawg ntawm cov hlau billet lossis cov khoom tsis zoo thaum lub sijhawm tsim khoom, nrog rau cov hluav taws xob uas tsis siv tau vim yog lub cub tawg lossis kev ua kom sov hnyav hauv cov nroj tsuag hlau, tuaj yeem rov ua dua tshiab thiab rov ua dua tshiab. Los ntawm cov txheej txheem xws li kev tsoo lub cev, kev tshuaj ntsuam, thiab kev ntxuav kub siab, cov hluav taws xob graphite pov tseg tuaj yeem rov ua dua tshiab rau hauv cov hluav taws xob ib qho me dua li qhov qub lossis siv ncaj qha hauv metallurgy, chemical engineering, thiab lwm yam teb uas muaj qhov yuav tsum tau ua kom huv qis dua rau graphite. Tus qauv rov ua dua tshiab no tsis yog tsuas yog txo qhov kev thov rau kev khawb graphite thawj zaug xwb tab sis kuj txo qhov kev nyuaj siab ntawm ib puag ncig los ntawm cov khib nyiab.
Kev Siv Nyiaj Tau Zoo: Cov Txiaj Ntsig Kev Lag Luam ntawm Kev Rov Siv Dua thiab Kev Siv Dua
Piv txwv li, siv cov khoom siv anode roj teeb lithium-ion, graphite suav txog li 15% ntawm cov nqi roj teeb, thaum tus nqi rov qab los ntawm cov thev naus laus zis ntawm graphite los ntawm cov roj teeb lithium siv tau tuaj yeem ncav cuag 90%, nrog rau tus nqi qis dua 30% piv rau cov khoom siv thawj. Cov lej no muaj feem cuam tshuam tseem ceeb rau kev lag luam electrode graphite: kev siv rov qab thiab rov siv dua tuaj yeem txo cov nqi yuav khoom siv raw thaum txo cov nqi pov tseg. Rau cov lag luam, kev siv tus qauv kev lag luam ncig tsis yog tsuas yog txhim kho kev siv cov peev txheej xwb tab sis kuj txhawb kev sib tw ua lag luam los ntawm kev ua kom zoo dua tus nqi.
Kev Txhim Kho Tshiab: Kev Siv Tshuab Rov Tsim Kho Zoo Hauv Kev Lag Luam
Xyoo 2024, Bobang Shanhe tau ua tiav qhov kev tshawb pom tshiab hauv kev siv tshuab rov ua dua tshiab zoo rau cov graphite anodes siv lawm. Nws cov txheej txheem rov ua dua tshiab kub siab tas mus li tau txais cov qauv khoom siv tshiab hauv cov nqe lus ntawm cov qauv microcrystalline, cov qauv ntawm qhov chaw, thiab kev huv (txog li 99.99%), nrog rau cov khoom anode rov ua dua tshiab qhia txog kev ua tau zoo sib npaug rau cov khoom siv tshiab thaum cov neeg siv khoom txheeb xyuas. Kev nce qib thev naus laus zis no daws cov teeb meem tseem ceeb hauv kev siv graphite rov ua dua tshiab, xws li kev tshem tawm cov khoom tsis huv thiab kev kho dua tshiab, muab txoj hauv kev thev naus laus zis txhim khu kev qha rau kev siv cov electrodes graphite. Tam sim no, cov thev naus laus zis no tau nkag mus rau theem ntawm kev tsim khoom loj ntev, nrog rau kev tshaj tawm ntawm 20,000-tons txhua xyoo zoo rov ua dua tshiab rau cov graphite anodes siv lawm, cim kev hloov pauv ntawm tus qauv kev lag luam ncig los ntawm kev lees paub thev naus laus zis mus rau kev siv hauv kev lag luam.
Kev Txhawb Nqa Txoj Cai: Kev Taw Qhia Txoj Cai Mus Rau Kev Lag Luam Ib Ncigs thiab Kev Tsim Khoom Ntsuab
Hauv lub tebchaws, muaj kev tsom mus rau kev siv cov khoom siv rov ua dua tshiab thiab kev tsim khoom ntsuab. Piv txwv li, Ministry of Environmental Protection qhov project tshwj xeeb "Key Technologies and Equipment for Circular Economy" tau tshaj tawm kev tshawb fawb thiab kev txhim kho rau "siv cov khoom siv graphite gas-thermal purification thiab high-end utilization technologies" thoob tebchaws, tsav kev txhim kho thev naus laus zis hauv kev lag luam. Tsis tas li ntawd, "Catalog for Guiding Industry Restructuring" teev cov haujlwm siv cov khoom siv rov ua dua tshiab, xws li cov khoom siv rau cov roj teeb lithium-ion anode, raws li cov pawg txhawb nqa, muab kev tiv thaiv txoj cai rau kev lag luam ncig ntawm graphite electrodes. Hauv cheeb tsam, cov cheeb tsam xws li Ningxia thiab Hunan txhawb nqa kev tsim cov tuam txhab rov ua dua tshiab graphite electrode los ntawm kev npaj lag luam thiab kev txhawb nqa nyiaj txiag, ntxiv kev txhim kho lub ecosystem kev lag luam ncig.
Kev Xav Tau Hauv Kev Ua Lag Luam: Cov Kev Lag Luam Tshiab Uas Tsav Kev Tso Tawm Lub Peev Xwm Kev Lag Luam Ib Ncigs
Nrog rau kev loj hlob sai ntawm cov lag luam tshiab xws li cov tsheb fais fab tshiab thiab kev khaws cia hluav taws xob, qhov kev thov rau graphite ua cov khoom siv anode rau cov roj teeb lithium-ion txuas ntxiv mus. Nws tau kwv yees tias los ntawm xyoo 2025, Tuam Tshoj cov khoom xa tuaj ntawm cov khoom siv lithium roj teeb anode yuav ncav cuag 2.705 lab tons, nrog rau cov khoom siv graphite anode suav txog ntau dua 90%. Qhov sib txawv no ncaj qha tsav qhov kev thov rov ua dua rau cov electrodes graphite siv lawm: ntawm ib sab tes, cov khoom siv graphite anode los ntawm cov roj teeb fais fab so haujlwm tuaj yeem rov ua dua tshiab thiab rov qhia rau hauv cov saw hlau tsim roj teeb tshiab; ntawm qhov tod tes, kev siv dav dav ntawm cov electrodes graphite muaj zog hauv cov cub hluav taws xob arc rau kev ua hlau thiab cov khoom siv roj teeb lithium anode muab qhov chaw ua lag luam dav dua rau kev lag luam ncig.
Lub sijhawm tshaj tawm: Lub Xya Hli-30-2025