Prismatic Cell Roj teeb Cov txheej txheem ntau lawm: cov kev qhia dav dav

Lub hauv paus rau phau ntawv

Prismatic txhuas-rooj plaub roj teeb tau dhau los ua cov hluav taws xob nrov hauv cov hluav taws xob (EVS) thiab lub zog ntim khoom, thiab yooj yim ntawm cov sib dhos ua ke. Piv nrog cylindrical thiab hnab cylindrical thiab cov xov tooj hlwb ua piv txwv ntawm lub zog ntom, cua sov ua haujlwm, thiab lub zog kho tshuab. Kab lus no qhia txog cov txheej txheem tag nrho, los ntawm cov khoom siv raw rau lub rooj sib dhos zaum kawg.

Cathohoden Cov Ntaub Ntawv

Cov Khoom Siv Cathode muaj xws li:

Lithium Iron phosphate (LFP)

Nickel Manganese cobalt Oxide (NMC)

Lithium nickel cobalves alxide (NCA)

Cov ntaub ntawv no yog cov khoom siv-lub xeev cov kev cuam tshuam ntawm qhov kub (feem ntau {700-900} degree) kom ua tiav siab siab.

Cov Khoom Siv Anode

Lub anode feem ntau yog tsim los ntawm:

Graphite (dag lossis ntuj)

Silicon-carbon composite (rau cov zog loj hlwb)

Cov ntaub ntawv raw ua tiav kom ua tiav cov qauv loj me, thaj chaw thaj av, thiab coj mus rhaub ceev.

Electrolyte

Lub electrolyte feem ntau yog alithium ntsev(Lipf6) yaj nyob rau hauv kev sib xyaw ntawm organic kuab tshuaj xws liEC (Ethylene Carbonate), DMC (DMC (DMC (DMETTHYL Carbonate), thiab ntxiv rau txhim kho kev ruaj khov thiab ua tau zoo.

Tus Separator

Prismatic cell feem ntau siv ntau txheej polypropylene (pp) lossis polyethylene (PE) Separators, nrog cov tuab) separing los ntawm12μm rau 20μm, kom ntseeg tau lub zog thiab thermal ruaj khov.

Kev Npaj Slurry Kev Npaj

Cathode: Cov Khoom Siv Ua Haujlwm - Cov Khoom Siv Ua Haujlwm (Carbon Dub) + binder (PVDF) sib xyaw nrog NMP Kuab.

Anode: Graphite + Cov Neeg Sawv Cev Coj Mus Los - Binder (CMC + SBR) sib xyaw nrog dej deionized.

Slurry nws khoom:High-shear Tov Khoom, Planetary tov khoom.

Daim plhaub

Npaj cov slurry yog tusyees coated hlau ntawv:

Tus kws uanhahode: Coated ntawm txhuas ntawv ci.

Naj hoom: Coated ntawm tooj liab ntawv ci.

Qauv Txheej Txheem:Qhov sib tw tuaglossiscomma bar txheej.

Kom qhuav

Cov khoom siv coated yog qhuav hauvNruam Kom Qhuav Ncu, tshem tawm cov kuab tshuaj (nmp lossis dej) nyob rau hauv precisely tswj qhov kub.

Cathode kom qhuav: {120-140 degree

Anode ziab: 80-120 degree

Daim ntawv suav

Ob lub electrodes dhau los ntawm khub cov menyuam kom haum rau cov txheej txiav, kom meej:

Zoo sib xws thickness.

Siab dua electrody ntom.

Zoo sib tiv toj ntawm cov khoom siv nquag thiab cov neeg sau khoom tam sim no.

Cov Hom Phiaj Density Cov Hom Phiaj:

Cathode: 2. 8-3. 5 g / cm³

Anode: 1. {4-1. 8 g / cm³

Txoj kab

Tom qab daim ntawv thov, cov electrodes yogtxoj kab txiavmus rau hauv txoj hlua nqaim, txuam nrog lub cell tsim.

TAB VUAM

Tam sim no Collector tab (txhuas rau cov Cathode, tooj liab rau anode) yog welded rau cov electrodes.

Pawg

Prismatic cells feem ntau sivZ-Fold Stackinglossislamination stacking, qhov twg cathode, separator, thiab anode yog lwm qhov sib txawv rau hauv cov qauv qhaub cij.

Cov ntaub ntawv ntxeem

Cov khoom siv hluav taws xob stacked yog muab tso rau hauv ib daim ntawv ua ntejTxhuas Cas, ua los ntawmAluminium alloy (feem ntau 3003 lossis 1060).

Kev Txhaj Tshuaj Electrolyte

Cov electrolyte tau txhaj rau hauv cov ntaub ntawv hauv lub tshuab nqus los kom paub meej tias kev ntub dej ntawm txhua qhov chaw sab hauv.

Electrolyte Faj elecision: ± 0. 5g rau ntawm cell.

Pre-sealing

Tom qab cov electrolyte txhaws, lub cell yogUa ntej-sib khilos tiv thaiv ib puag ncig sab hauv thaum lub sijhawm tsim qauv.

Lub hlwb yauv ua tus nqi pib thiab txheej txheem xa tawm hu uatsim khoom, uas tso cai rau tusSei (khoom electrolyte interfase)txheej los ua rau ntawm anode nto.

Tsim kom kub: 25-45 degree.

Tsim tam sim no: {{{0. {05-0. 1c (qeeb kom ntseeg tau tias niaj hnub pom kev).

Tom qab tsim, roj tsim thaum SEI tsim tau raug tshem los ntawm aNqus Plawvcov txheej txheem, ua kom muaj zog sab hauvsiab yog qhov zoo.

Cov ntaub ntawv txhuas yog hermetically kaw sivLaser VuamlossisUltrasonic Vuam, ensuring:

Hieceticity zoo heev.

Mechanical zog.

Qee qhov kev tsim qauv tseem ntxiv aKev Nyab Xeeb Kev Nyab XeebTxhawm rau tso tawm yog tias cov roj av nyob rau thaum lub sijhawm ua haujlwm tsis zoo.

Txhua lub cell undergoes muaj kev xeem ua, suav nrog:

Kev Ntsuam Xyuas: Puv puv / kev caij tsheb kauj vab.

Sab hauv kev tiv thaiv: AC Kev Xeem Tawm (feem ntau ntawm 1 kHz).

Kev ntsuam xyuas to: Helium so kom pom.

Qhib Circuit Courtage (OCV): Saib xyuas rau kev tawm tsam tus kheej.

Kuaj xyuas Dimension: Xyaum kom ntev li cas nyob rau hauv spec.

Kuaj cov khoom prismatic yog ua ke rau hauv cov modules siv:

Laser VuamlossisUltrasonic Vuamrau busbars.

Kev sib xyaw ntawmKev tswj hwm roj teeb (BMS)Rau kev tshuaj xyuas voltage, ntsuas kub, thiab ntsuas.

Thermal Pawg Tswj Tshuab (TMS) kuj tseem ua ke, feem ntau siv:

Txias daim hlau(Ua kua txias).

Thermal interface cov ntaub ntawv (sijhawm)rau tshav kub zoo dua dissipation.

Prismatic cell roj teeb sib txuasKev nyab xeeb muaj kev nyab xeeb, kev siv tshuab lub zog, thiab hloov tau tsim nyog, ua rau lawv zoo tshaj rau cov ntawv thov xav tau xws liCov Tsheb Hluav Taws Xob thiab Nyob Ruaj RuajCov. Thaum lub sij hawm cov txheej txheem ntau lawm feem ntau nrog cylindricals thiab cylindricals thiab cylindricrical, qhov meej meej ntawm lubTxhuas Cas, Electrolyte Puv, thiabSealing cov txheej txheemyog qhov tseem ceeb tshaj plaws cuam tshuam rau kev ua tau zoo thiab kev ntseeg tau.