Roj teeb Separator Chaw Tsim Tshuaj Qhia: PP, PE & Ceramic - KEV KAWM

Sau: Dany Huang, Ph.D.

CEO & R&D Leader, TOB New Energy

Executive Summary & Key Takeaways

Kev xaiv lub roj teeb zoo sib cais yog qhov kev ua phem sib luag ntawm ionic conductivity thiab thermal kev nyab xeeb. Rau siab -zog- hlwb ceev, cov qauv kev lag luam tau hloov mus rau kev txiav txim siab ntawm ceramic-coated polyolefins ua ke nrog cov khoom siv tsim khoom.

Thickness txwv:High-muaj peev xwm EV hlwb tswj hwm ultra- nyias cais, feem ntau tsav tsheb specifications mus rau 9µm - 12µm.
Kev tswj porosity:Koj yuav tsum tswj hwm qhov zoo tshaj plaws porosity ntau ntawm 40% mus rau 50% txhawm rau tiv thaiv lithium dendrite nkag mus thaum ua kom yooj yim ion khiav ceev.
Thermal shutdown:PE kaw ntawm ~ 135 degree. PP melts ntawm ~ 165 degree. Ceramic coatings thawb thermal shrinkage kuj zoo tshaj 200 degree.
Khoom siv Sync:Kev muab cov ntaub ntawv los ntawm lub Hoobkas tuaj yeem lav koj qhov sib cais tensile lub zog zoo kawg nkaus phim koj lub tshuab ua haujlwm nruj tswj.

Txoj kab nyias nruab nrab ntawm lub zog thiab hluav taws

Qhov xwm txheej thermal khiav ntawm koj txoj kab tsav tsheb tsis yog qhov poob qis xwb. Nws yog kev puas tsuaj loj. Kuv pom cov thawj coj tsim khoom tau xav txog kev thawb lub peev xwm cathode mus rau qhov txwv tsis pub, tsis quav ntsej tag nrho cov yas yas zaj duab xis tuav tag nrho ntawm tes ua ke.

Yog tias koj lub roj teeb cais qis qis qis dua - tus nqi them hluav taws xob, lub anode thiab cathode kov. Qhov tshwm sim luv luv Circuit Court yuav incinerate koj 50Ah hnab cell hauv vib nas this. Koj tsis tuaj yeem tsim kom muaj kev nyab xeeb, siab - roj teeb kev ua tau zoo yam tsis muaj kev xaiv qhov sib cais. Lub sijhawm.

Cov Khoom Siv Triad: PP vs. PE vs. Ceramic Coated

Tsis yog txhua cov yeeb yaj kiab microporous raug tsim sib npaug. Lub hauv paus polymer dictates koj lub xov tooj ntawm tes ua haujlwm qab nthab.

PE (Polyethylene):Cov txheej txheem ntub dej tau yeej. Nws muab cov yooj yooj yim thiab siab porosity. Nws nta qhov ntsuas kub qis dua (nyob ib puag ncig 135 degree). Thaum lub cell overheats, lub pores yaj kaw, nres ion ntws thiab tua cov tshuaj tiv thaiv. Zoo tagnrho rau cov neeg siv khoom siv hluav taws xob.
PP (Polypropylene):Cov txheej txheem qhuav workhorse. Nws boasts ntau dua mechanical zog thiab ib tug siab melting point (~ 165 degree). Nws feem ntau yog txheej (PP/PE/PP) rau ntau-theem kev nyab xeeb mechanism.
Ceramic Coated (Al₂O₃ lossis Boehmite):Qhov yuav tsum tau hloov kho rau EV hlwb. Peb txheej txheej nyias ntawm cov khoom siv ceramic rau ntawm PE lossis PP puag. Qhov no drastic txo thermal shrinkage.

Qhov Failure Scenario:Yog tias koj khiav lub siab -nickel NMC cell nrog tus nqi pheej yig, tsis muaj 12µm PE cais tawm, qhov tsim hluav taws xob sab hauv thaum lub sij hawm ceev ceev - lub voj voog yuav ua rau cov yeeb yaj kiab. Cov npoo yuav curl. Cov electrodes yuav luv luv. Koj lub Hoobkas hlawv. Koj yuav tsum siv cov txheej txheem ceramic rau siab -lub zog.

PE SEM vs Ceramic-coated separator SEM — PE SEM vs Ceramic -coated separator SEM

Txheej Txheem Sib Piv & Daim Ntawv Thov Matrix

Txhawm rau txhim kho koj lub tswv yim kev yuav khoom ntau, phim cov khoom siv rau daim ntawv thov ntawm tes.

Hom cais	Kev tsim khoom	Qhov tseem ceeb Advantage	Qhov zoo tshaj plaws daim ntawv thov Scenario
Pure PE	Cov txheej txheem ntub dej	High porosity, qis kaw temp	3C cov khoom siv hluav taws xob, qis-kho cov cylindrical
Ntshiab PP	Qhuav txheej txheem	Lub zog tensile siab, raug nqi -zoo	Zog cia systems (ESS), LFP hlwb
Ceramic Coated	ntub / qhuav + Txheej	Zero thermal shrinkage ntawm 200 degree	Siab -nickel NMC, ceev- them EV cell

Engineering Insight:Tus nqi Gurley (cua permeability) ntawm koj lub separator ncaj qha dictates koj lub cell sab hauv tsis kam. Ntau-rau- ntau qhov tsis sib xws hauv cov yeeb yaj kiab pheej yig yuav ua rau koj tus nqi tawm los. Hu rau TOB Tshiab Zog cov ntaub ntawv faib khoom kom tau txais qib nrujlag luam wholesale roj teeb separator zaj duab xis integrated nrog peb cov roj teeb ntau lawm kab kev daws teeb meem uas lav uniform pore faib.

Khoom Siv Synergy: Tension yog Txhua Yam

Koj tuaj yeem yuav qhov zoo tshaj plaws ceramic separator hauv ntiaj teb. Yog tias koj lub tshuab ua haujlwm tsis raug, koj yuav rhuav tshem nws.

Super{0}} nyias nyias nyias (hauv qab 12µm) muaj zog tensile yield zog heev. Thaum khiav lub Z-stacking tshuab lossis cylindrical winder, lub web nro yuav tsum yog micro- tswj. Yog tias qhov nro siab dhau lawm, koj ncab qhov pores, rhuav tshem Gurley tus nqi thiab ua rau thaj tsam lithium plating. Yog tias qhov nro qis dhau lawm, lub jelly yob wrinkles, ua rau lub peev xwm tam sim ntawd ploj mus.

Raws li tus neeg muab kev pabcuam turnkey, peb pom qhov no txhua hnub. Koj tsis yog yuav khoom xwb; koj yuav system compatibility. Koj cov khoom sib cais yuav tsum tau lees paub lub cev ntawm koj cov khoom siv winding tshwj xeeb.

Automated cylindrical cell winding machine handling thin battery separators on a TOB New Energy turnkey line — Automated cylindrical cell winding tshuab tuav roj teeb cais ntawm TOB Tshiab Zog turnkey kab

Comprehensive battery production line solutions and stacking equipment engineered by source factory TOB New Energy — Cov roj teeb ntau lawm kab kev daws teeb meem thiab cov khoom siv stacking engineered los ntawm lub Hoobkas TOB Tshiab Zog

Npaj Scale Up?

Ib qho kev vam meej gigafactory txuas qhov sib txawv ntawm electrochemistry thiab mechanical engineering. Koj tsis tuaj yeem muab cov ntaub ntawv los ntawm ib tus broker thiab cov cuab yeej siv los ntawm lwm tus yam tsis muaj kev cuam tshuam kev sib koom ua ke qeeb. TOB Tshiab Zog muaj kev qhia davroj teeb ntau lawm kab kev daws teeb meem. Los ntawm kev muab ton- nplai ceramic separator yob rau kev txhim kho lub tshuab cua tshuab uas ua haujlwm rau lawv. Xa peb koj lub peev xwm xav tau hnub no rau kev lag luam wholesale nqe ncaj qha thiab ua tiav cov kab sib tw ua tiav.

FAQ (Tib neeg kuj nug)

Q1. Kuv puas tuaj yeem siv cov txheej txheem qhuav PP cais rau siab -NMC hlwb?

Tsis yog. Siab-muaj peev xwm NMC hlwb tsim kom muaj cua sov thiab ua rau cov cua sov khiav tawm. Koj yuav tsum siv cov ceramics -coated cais (txawm li cas los xij PE lossis PP puag) los lav qhov ruaj khov ntawm qhov siab tshaj 150℃. Uncoated PP yog qhov txaus ntshai heev rau ntom NMC chemistry.

Q2. Dab tsi yog qhov tuab zoo tagnrho rau lithium-ion roj teeb cais?

Nws nyob ntawm daim ntawv thov. Rau cov qauv siv hluav taws xob los yog LFP cov cuab yeej siv hluav taws xob, 16µm txog 20µm yog ib qho kev ua haujlwm ntev. Rau siab -zog- ntom ntom EV lub hnab ntim, cov tuam txhab lag luam tau thawb qhov txwv mus rau 9µm lossis txawm 7µm, ua ke nrog 2µm ceramic txheej.

Q3. Lub separator puas cuam tshuam rau lub roj teeb them ceev?

Yog lawm. Lub porosity thiab tortuosity (qhov nyuaj ntawm txoj hauv kev hauv pore) ncaj qha cuam tshuam lithium -ion thauj. Ib qho kev sib cais nrog cov porosity siab thiab tus nqi qis Gurley ua kom yooj yim dua ion tsiv teb tsaws, uas yog qhov tseem ceeb heev rau kev siv ceev ceev - them nyiaj.