Yuav ua li cas cov roj teeb?

Yuav ua li cas cov roj teeb?

Raws li cov tuam txhab hluav taws xob tseem ceeb hauv lub zog tshiab era, cov txheej txheem ntau lawm ntawm cov khoom siv science, kom haum thiab ntse thev naus laus zis. Los ntawm qhov kev pom ntawm tag nrho cov kev lag luam Saw, tsab xov xwm no ua ke, thiab tsim cov khoom siv tseem ceeb, thiab tsim cov roj teeb ntawm cov roj teeb lithium.

70% ntawm kev ua tau zoo ntawm cov roj teeb lithium yog txiav txim siab los ntawm cov khoom siv raw. Tus piv thiab pretreatment ntawm cov khoom siv thiab tsis zoo, cov neeg sawv cev, thiab cov neeg sawv cev yog qhov pib ntawm kev tsim khoom.

1.1 Npaj Cov Khoom Siv Hauv Chaw Ntawv

• Cov Khoom Siv Raw Khoom Sib xyaw: Lithium cobalt oxide (Lithium Iron phosphate (LFP) lossis cov khoom siv ternary) thiab cov khoom siv ternary (xws li superconducting carbon dub) thiab cov hlua khi (PVDF) hauv kev faib ua feem.
• Kev npaj cov kua nplaum: Thaum siv cov txheej txheem ntub dej yuav tsum tau yaj nyob rau hauv n-methylpyrrolidone (NMP) los ua cov kua nplaum nrog cov ruaj khov - viscosity ntau {1} mpayi.
• Daim slurry dispersion: Kev nrawm nrawm yog ua los ntawm lub ntiaj chaw ua ke nyob rau hauv lub tshuab nqus (tsawg dua lossis sib npaug zos ntawm kev ua haujlwm (tsawg dua los yog sib npaug rau 15μm).

1.2 Npaj ntawm cov ntaub ntawv tsis zoo rau hluav taws xob

• Graphite pretreatment: Ntuj \/ khoom cuav graphite yog sib xyaw nrog cov neeg sawv cev (cov pa roj carbon monox)
• Slurry Kev Tswj Xyuas Kev Ruaj Ntseg: Ntev-Saw pob molecular breakage yog zam los ntawm staged sib tov (qhuav → sbr ntxiv) 2000-4000 mpa.

Khoom Siv Khoom Tseem Ceeb: lub tshuab nqus tsev sib xyaw tshuab, Nano sand zeb, ultrasonic disperser.

Cov txheej txheem yog cov txheej txheem tseem ceeb ntawm kev hloov slurry rau hauv electrodode cov ntawv, uas cuam tshuam ncaj qha cuam tshuam lub zog ntom thiab lub voj voog lub neej ntawm lub roj teeb.

2.1 Kev faib cov txheej txheem txheej txheej

• Hniav txheej:Haum rau cov ntsiab lus hnyav slurry (zoo electrode khoom cov ntsiab lus {}}%), Txheej thickness qhov tseeb ± 1μm.
• Txo Cov Khaub Ncaws Txiav Txiav:Siv rau Ultra-nyias txheej (tsis zoo rau electing chaw ceev ceev 8-12 mg \/ CM²), Ntug cov khaub ncaws ntawm ± {2}}. 2 hli.

2.2 ziab parameter tswj

• Zoo electrode ci:Ntau-theem kub thaj chaw tsim ({95-120 degree), cov kuab tshuaj nyob tsawg dua lossis sib npaug rau 2000ppm, kom tiv thaiv kev tawg thiab "txiv kab ntxwv tev nyhuv".
• Qhov tsis zoo electrode ci:Tsawg qhov kub qhuav (80-105 degree), zam kev tswj hwm graphite oxidation, noo noo tswj tsawg dua los yog sib npaug rau 3000ppM.

Kev nyuaj kev nyuaj: thinning ntug ntawm daim ntawv electrode (qhov zoo electrode {{} {μm, los tiv thaiv kev ntxhov siab hauv pob ntseg thiab ua rau muaj nag lossis daus.

Lub coated electrode xav tau compacted, slitting, thiab roj teeb tab vuam los ua qauv txheem hluav taws xob.

3.1 Cov txheej txheem dov

• Kab zog txias thiab kub nias:Cov nias kub (80-120 degree) tuaj yeem nce cov kev sib tw ua kom ntev (LFP nce ntxiv) thiab txo qis dua tsawg dua lossis sib luag rau 3μm).
• Elongation tswj:Zoo nyob rau hauv qis dua lossis sib npaug rau {{{0}}}. 2%, kom tsis txhob sib npaug lossis sib npaug ntawm cov plaub hau thaum winding.

3.2 Kev txiav tawm thiab tab vuam

• Slitting Burr Nrhiav Kom Tau:Laser theem nrab caij ntsuas ntsuas tau yog siv, Burr qhov siab tsawg dua lossis sib npaug ntawm 1μm diaphragm, burr tsawg dua los yog sib luag ntawm 10μm).
• Ultrasonic Vuam:Zoo aluminium rego welding lub zog ntau dua los yog sib npaug rau 8n \/ mm², tsis zoo npib pob ntseg siv tawm hauv lub taub hau kom tiv thaiv overcurrent kev puas tsuaj.

Khoom Siv Khoom Tseem Ceeb:Siab Precision Cov Menyuam Xovxwm,Lub Tshuab Txiav Hluav Taws Xob, roj teeb tab chaw welding tshuab.

Cov Lamination tsim ntawm cov ntawv electrode thiab diaphragms yog qhov kev ua haujlwm ntawm kev nyab xeeb ntawm kev nyab xeeb ntawm kev nyab xeeb ntawm kev nyab xeeb ntawm kev nyab xeeb.

4.1 winding txheej txheem

• Nro tswj:Qhov Kev Ntsuas Kom Zoo Tshaj Plaws Electrode Kev Ntshaw Nyiaj Sab Nrauv {{0}}}.}}.}
• Cov kab txiav ua:Tsis zoo rau Electrode qhov dav> GYSTRODE 1.5 hli (xws li hluav taws xob "

4.2 plhaub thiab kev txhaj tshuaj ua kua

• Lub Tshuab Nqus Tsev Qhuav:80 Degree Baking rau 4 teev, cov ntsiab lus noo noo tsawg dua los yog sib npaug rau 500ppm, kom tsis txhob muaj electrolyte decomposition.
• Txhaj Tshuaj Electrolyte:Nitrogen tiv thaiv nyob rau hauv lub hnab looj tes ntawm hnab looj tes (oxygen cov ntsiab lus tsawg dua los yog sib npaug ± 0.1g, lub sijhawm siv zog tshaj lossis sib luag rau 8 teev.

Kev tawg:Cov txheej txheem stacking hloov pauv (xws li hniav roj teeb), chaw siv chaw siv hluav taws xob nce los ntawm ntau tshaj 15%.

Lub roj teeb ntawm tes yuav tsum tau ua cov kev ua yeeb yam xws li tsim, muaj peev xwm faib, thiab kev sib faib ua ntej nws tuaj yeem hloov mus rau hauv cov khoom lag luam uas tsim nyog.

5.1 Ua txheej txheem tsim

• Thawj tus nqi thiab tawm:{{0 {0}}
• Kev Kho Mob:Kev kub siab nias (6 0 degree \/0.5mpa) kom tso tawm cov roj thiab txo qis.

5.2 Cov qhab nia raug muaj peev xwm thiab tshuaj xyuas

• Muaj peev xwm muab qhab nia:{{0 {0 {0}}. 5c them thiab sib txawv, muaj peev xwm sib txawv, muaj peev xwm sib txawv dua lossis sib npaug ntawm qhov sib txawv dua lossis sib npaug rau 5%.
• K tus nqi xeem:Voltage poob qis dua lossis sib npaug nrog 5mv tom qab sawv rau 72 teev, tshuaj ntsuam tus kheej-tawm cov roj teeb tsis txawv txav.

Ntse hloov kho tshiab:EM Kev Kuaj Xyuas Ai Ua tiav Kev Tshawb Xyuas Cov Ncauj ntawm Daim Ncej Tsis Zoo (Cov Duab Dub, Loj dua lossis sib npaug nrog 99.9%.

"Kev nthuav dav muaj peev xwm: Thaum lub sijhawm tsim cov roj teeb, vim yog cov txheej txheem txheej txheem, yog vim li cas, lub peev xwm tiag tiag ntawm lub roj teeb tsis tuaj yeem ua tiav. Cov txheej txheem ntawm cov roj teeb hais meej los ntawm kev muaj peev xwm ntawm qee yam them nqi thiab kev ntsuas kev tawm haujlwm sivRoj Teeb Cov Khoom Siv Tsheb Kuaj Cov Khoom Sivyog hu ua kev kawm tau peev xwm. "

Qhov Zoo & Tsis Zoo Rau Electrode Cov Khoom Siv Homogenization ➯ Electrode Cov Tshuab Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Ntau Electrolyte Kev Txhaj Tshuaj

"Cov roj teeb tsim:Tom qab cov roj teeb sib dhos yog muab ib qho tam sim no, cov ntaub ntawv nquag ntawm cov roj teeb thiab thaum kawg cov roj teeb muaj peev xwm hu ua kev ua haujlwm. Lub roj teeb tsuas yog siv los ua lub zog hluav taws xob tom qab tsim. "

Lithium roj teeb ntau yuav tsum tau coj mus rau hauv tus account efficiency thiab ruaj khov, thiab kaw-lub voj tswj hwm yuav tsum los ntawm plua plav rov qab los kho kom rov kho dua.

6.1 Lub Hniav plua plav

• Ground electrode plua plav:Lub hnab plua plav tshem tawm + ua haujlwm rau cov roj carbon adsorption, rov qab them ntau dua lossis sib npaug ntawm 98%.
• NMP Rov Qab:Distillation ntau heev purification, kho kom rov qab siv dua tus nqi ntau dua lossis sib npaug rau 95%.

6.2 Kev Kho Mob Tso Cai

• Fluoride-muaj dej khib nyiab:tshuaj nag lossis nag lossis daus +
• Graphite sludge:Kev kub siab ua kom tau npaj rov qab graphite, cov peev txheej siv tau ntau dua lossis sib npaug rau 80%.

Txheej Txheem-State Roj Teeb:Kev siv hluav taws xob qhuav tshem tawm kev siv cov kuab tshuaj thiab txo kev siv hluav taws xob los ntawm 40%.
Huab Raug:4680 Loj cylindrical roj teeb roj teeb nrog tag nrho cov qauv ua ntsej muag, lub voj voog ntau tau nce mus rau 300ppm.
Cov Ntxaib Ntxaib:Simulual sim ntawm tag nrho cov txheej txheem los ntawm slurry dispersion rau kev tsim, txo cov nqi sim thiab yuam kev ntawm 70%.
Los ntawm nano-teev cov khoom siv rau kev tswj hwm zoo, Lithium roj teeb tsim yog cov symphony meej sprning micro thiab macro ntau ntau.