Vim li cas 4680 Cylindrical Battery swell? Ua, Kev Ntsuas, thiab Hauv -Situ Measurement

Author: [2026-08-7]|Los ntawm Xiamen Acey Tshiab Zog Technology Co., Ltd. Allen Tangallen@aceymachinery.com

4680 Cylindrical Battery yog dab tsi?

Vim li cas 4680 Cylindrical Battery swell?

Cov ntaub ntawv electrode cuam tshuam li cas 4680 Cell Expansion

Yuav ua li cas Thaum tshav kub kub pab rau lub cylindrical roj teeb o

Tiag -Lub Sijhawm nthuav dav ntsuas ntawm 4680 Cell

4680 Cell Expansion Test Results

Yog vim li cas Expansion tsis sib npaug ntawm Cell?

Dab tsi tuaj yeem nthuav qhia cov ntaub ntawv qhia cov tuam txhab roj teeb?

Cov ntsiab lus tseem ceeb ntawm Cylindrical Cell Tester

Cov ntawv thov hauv -Situ Cylindrical Cell Test

FAQ

Koom tes nrog Acey Tshiab Zog

Cov4680 cylindrical roj teebtau dhau los ua ib qho ntawm cov neeg saib xyuas zoo tshaj plaws hauv cov tiam tom ntej ntawm lithium{0}}ion roj teeb technology.

Lub npe "4680" los ntawm nws qhov kwv yees qhov ntev:

Piv nrog cov cylindrical me me, qhov loj dua 46 mm × 80 mm hom tuaj yeem muab cov txiaj ntsig zoo hauv pob - qib kev sib xyaw thiab kev tsim khoom. Nyob rau tib lub sijhawm, nws qhov loj ntawm lub cev qhov ntev tsim cov kev sib tw tshiab rauKev tswj hwm thermal, mechanical stress, electrode expansion, thiab cell sib xws.

Tias yog vim li cas kev ntsuas lub cev nthuav dav ntawm 4680 ntawm tes thaum lub sijhawm them thiab tso tawm yog qhov tseem ceeb hauv roj teeb R & D.

Lub roj teeb o tsis yog tshwm sim los ntawm ib qho. Hauv loj - hom cylindrical cell, nthuav dav tuaj yeem txuas rauCov khoom siv hluav taws xob hloov pauv, hluav taws xob hluav taws xob, hluav taws xob hluav taws xob, hluav taws xob tsim hluav taws xob, hluav taws xob tsim hluav taws xob, kev txwv kev siv tshuab, thiab kev hloov pauv hauv cov qauv sab hauv ntawm tes.

Peb yam tsim nyog tau txais kev saib xyuas tshwj xeeb.

1. Electrode ntim hloov

Thaum lub sij hawm them thiab tawm, cov khoom siv nyob rau hauv ob qho tib si electrodes tau hloov cov qauv thiab ntim.

Qhov no tseem ceeb tshwj xeeb tshaj yog thaum siv silicon - muaj cov khoom siv anode. Silicon tuaj yeem muaj kev hloov pauv loj heev thaum lub sij hawm lithiation thiab delithiation-tuaj yeem ncav cuag300% raws li qee yam khoom siv.

Qhov loj ntim variation tsim txhua yam kev ntxhov siab nyob rau hauv lub electrode system thiab tuaj yeem pab txhawb rau tag nrho cov cell expansion.

2. Thaum tshav kub kub

Lub 4680 ntawm tes muaj qhov sib nrug loj dua ntawm qhov nruab nrab ntawm cov jelly yob thiab cov txheej txheej dua li cov cylindrical me me.

Thaum lub sij hawm siab - tus nqi them los yog tso tawm, cov tshuaj tiv thaiv electrochemical thiab sab hauv ua kom muaj cua sov. Yog tias qhov kub tsis tuaj yeem raug tshem tawm tau zoo, qhov kub ntawm qhov sib faib hauv lub cell tuaj yeem ua tsis sib xws.

Kev kub siab dua tuaj yeem ua rau muaj kev cuam tshuam sab nraud thiab cov khoom siv degradation, uas tuaj yeem ua rau muaj kev hloov pauv sab hauv thiab qhov loj me.

3. Mechanical txwv

Lub xovtooj ntawm tes tsis pub dawb kom nthuav dav sib npaug hauv txhua qhov kev taw qhia.

Cov hlau casing muab kev txwv tsis pub siv tshuab, thiab lub zog ntawm qhov kev txwv no tuaj yeem sib txawv ntawm qhov nruab nrab thiab ob qhov kawg ntawm tes. Yog li ntawd, kev nthuav dav yuav tsis zoo ib yam ntawm tag nrho 80 mm cell qhov siab.

Qhov no yog ib qho laj thawj vim li cas tsuas yog ntsuas tag nrho txoj kab uas hla ntawm lub roj teeb tsis txaus.

Kev tsav tsheb kom muaj zog ntau dua tau txhawb cov neeg tsim khoom siv roj teeb los tshawb xyuas qhov siab - lub zog hluav taws xob hluav taws xob, suav nrogsiab -nickel NCM cathodes thiab silicon-muaj anodes.

Cov ntaub ntawv no tuaj yeem txhim kho lub zog- khaws cia kev ua tau zoo, tab sis lawv kuj qhia txog cov kev cov nyom ntxiv uas yuav tsum tau nkag siab thaum lub sijhawm kev loj hlob ntawm tes.

Silicon yog ib qho piv txwv tseem ceeb.

Thaum lithium nkag mus thiab tawm hauv silicon-raws li anode thaum caij tsheb kauj vab, cov khoom tau hloov pauv loj heev. Kev rov nthuav dav thiab kev cog lus tuaj yeem ua rau:

• Mechanical stress
• Particle tawg
• Poob kev sib cuag hluav taws xob
• Interfacial tsis ruaj khov
• Cov tshuaj tiv thaiv kab mob ntau ntxiv
• Kev hloov pauv hauv cell impedance
• Ntev - lub sij hawm degradation muaj peev xwm

Rau cov neeg tsim khoom roj teeb, cov lus nug tseem ceeb yog li ntawd tsis yooj yim:

"Puas cell o?"

Cov lus nug tseem ceeb tshaj yog:

"Thaum twg nws swell, qhov twg nws swell, thiab ntau npaum li cas nws swell nyob rau hauv txawv kev khiav hauj lwm tej yam kev mob?"

Qhov no yog qhov twg ibhauv -situ Cylindrical Cell Testerua tshwj xeeb muaj nqis.

Kev coj tus cwj pwm kub ua qhov tseem ceeb dua li cov cylindrical hlwb loj dua.

Thaum lub sij hawm siab - tus nqi them lossis tso tawm, lub xov tooj ntawm tes tsim hluav taws xob los ntawm electrochemical polarization thiab sab hauv tsis kam. Hauv ib lub cell loj - hom ntawv, txoj hauv kev tshav kub sab hauv tuaj yeem nyuaj dua li hauv lub cev me me.

Yog tias cov cua sov nkag mus, ntau qhov teebmeem tuaj yeem tshwm sim:

• Qhov kub ntawm lub cell nce.
• Electrochemical side reactions tej zaum yuav ua kom meej meej.
• Cov khoom siv hluav taws xob tuaj yeem ntsib cov kev hloov pauv ntxiv.
• Sab hauv siab tuaj yeem nce ntxiv.
• Mechanical expansion tuaj yeem pom ntau dua.

Vim li no,4680 roj teeb kuajyuav tsum ua tib zoo muab cov kev ntsuas hluav taws xob nrog kev ntsuas lub cev thiab thermal.

Ib qho kev sim uas tuaj yeem taug qab kev nthuav dav ntawm tes thaum caij tsheb kauj vab muab cov neeg tshawb nrhiav lwm txheej ntawm cov ntaub ntawv uas qhov hluav taws xob zoo tib yam thiab kev ntsuas tam sim no tsis tuaj yeem muab.

Txhawm rau kom nkag siab zoo dua li cas 4680 cell hloov thaum lub sijhawm ua haujlwm, Xiamen Acey New Energy Technology Co., Ltd.Cylindrical Cell Testerraws li kev ntsuas kho qhov muag thiab kev tsom xam algorithms.

Qhov system tuaj yeem ua tauhauv -situ saib xyuas ntawm cylindrical cell expansion thaum lub sij hawm them thiab tso tawm.

Tsis txhob tos kom txog thaum qhov kev xeem tiav thiab ntsuas lub cell tom qab, cov kws tshawb fawb tuaj yeem soj ntsuam qhov hloov pauv thaum lub xov tooj ntawm tes ua haujlwm.

Lub kaw lus tuaj yeem saib xyuas:

• Cell txoj kab uas hla hloov
• Hloov ntim
• Kev nthuav dav thaum them nyiaj
• Contraction thaum tso tawm
• Expansion faib raws qhov siab ntawm tes
• Qhov sib txawv ntawm qhov kev soj ntsuam sib txawv

Qhov no muab cov roj teeb tsim tawm nrog cov duab ua tiav ntau dua ntawm kev sib raug zoo ntawmSOC, tus cwj pwm electrochemical, kub, thiab mechanical expansion.

A 4680 cylindrical cell siv ibNCM811/SiC khoom systemraug xaiv rau hauv -situ expansion test.

Qhov kev xeem tau siv:

• 1C tsis tu ncua-tam sim no / tas li-voltage charging
• 1C tsis tu ncua - tam sim no tawm
• Tiag - lub sijhawm saib xyuas lub sijhawm thaum caij tsheb kauj vab

Cov txiaj ntsig ntsuas tau pom muaj kev sib raug zoo ntawm kev nthuav dav ntawm tes thiab cov txheej txheem them nqi / tso tawm.

Test Parameters

Qhov kev ntsuam xyuas tau pom tias tag nrho cov xov tooj ntawm tes tau nce thaum lub sij hawm them nyiaj thiab txo qis thaum tso tawm.

Thaum them tag nrho, qhov ntsuas qhov ntim nthuav dav yog kwv yees li0.14%txheeb ze rau qhov pib mob.

Tus cwj pwm nthuav dav tsis yog ib qho ncaj nraim - hloov kab, ib yam nkaus.

Cov yam ntxwv nthuav dav tshwm sim thaum lub sij hawm them nyiaj tom qab thiab theem pib thaum ntxov. Cov yam ntxwv no muaj feem xyuam nrog cov qauv thiab theem kev hloov pauv hauv cov khoom siv high -nickel NCM.

Txog rau thaum xaus ntawm kev tso tawm, qhov nce hauv ntim kuj tau pom. Ib qho kev piav qhia ua tau yog qhov sib txuam ntawm cov teebmeem thermal hauv qhov loj - hom cylindrical cell thaum tawm.

Ib qho kev tshawb pom zoo tshaj plaws los ntawm hauv -situ test yog tias qhov nthuav dav ntawm 4680 cell yogtsis tas uniform raws nws qhov siab.

Rau qhov kev xeem, thaj tsam saib xyuas pib kwv yees li4 hli hauv qab qhov zoo davhlau ya nyob twg thiab ncua downward rau 70 hli.

Lub cheeb tsam ntsuas tau muab faib ua80 txheejtxhawm rau txheeb xyuas kev nthuav dav.

Ntawm lub kaum sab xis saib ntawm 45℃txheeb ze rau qhov chaw pib, cov ntaub ntawv qhia tias lub xov tooj ntawm tes twb muaj qee qhov tsis sib xws ua ntej kev caij tsheb kauj vab. Raws li kev them nyiaj nce zuj zus, qhov kev nthuav dav nthuav dav tau tshaj tawm.

Ntawm100% SOC, qhov chaw nruab nrab tau nthuav dav ntau dua li ob qhov kawg.

Vim li cas?

Ib qho yuav tshwm sim yog mechanical txwv.

Lub sab sauv thiab sab qis ntawm lub cylindrical cell yog nruj dua los ntawm cov qauv ntawm cov hlau casing thiab cov cheeb tsam kawg. Cov ntu nruab nrab tej zaum yuav muaj kev ywj pheej ntau dua los nthuav.

Hom ntaub ntawv no nyuaj kom tau txais los ntawm qhov kawg nkaus - ntawm - kev ntsuas lub voj voog.

Piv txwv kev nthuav qhia

Rau cov chaw tsim khoom roj teeb, cov ntaub ntawv no tuaj yeem muaj txiaj ntsig zoo thaum ua kom zoocylindrical cell casing tsim, mechanical constraints, electrode qauv, thiab thermal tswj.

Kev ntsuas kev nthuav dav yog ntau tshaj qhov xav paub hauv chav kuaj. Nws tuaj yeem muab cov ntaub ntawv siv tau rau kev txhim kho roj teeb thiab kev tsim khoom.

Kev tsim khoom siv

Rau siab -expansion anode systems, xws li silicon-cov ntaub ntawv, nyob rau hauv -situ expansion cov ntaub ntawv yuav pab tau cov kws tshawb fawb to taub yuav ua li cas cov ntaub ntawv formulation cuam tshuam rau mechanical cwj pwm.

Cell Design

Yog tias kev nthuav dav yog nyob rau hauv ib cheeb tsam tshwj xeeb, engineers tuaj yeem tshawb xyuas seb qhov kev hloov pauv ntawm cov qauv ntawm tes los yog casing tuaj yeem txhim kho kev ruaj ntseg.

Thermal Management

Thaum cov ntaub ntawv nthuav dav ua ke nrog kev ntsuas kub thiab hluav taws xob, cov kws tshawb fawb tuaj yeem nkag siab zoo txog kev sib raug zoo ntawm kev coj tus cwj pwm thermal thiab qhov hloov pauv.

Cycle-Kev Tshawb Fawb Lub Neej

Kev nthuav dav dua thiab kev cog lus tuaj yeem tso cov neeg kho tshuab kev ntxhov siab ntawm cov khoom siv sab hauv. Kev taug qab tus cwj pwm no dhau mus dhau mus yuav pab tau cov kws tshawb fawb tshawb xyuas cov txheej txheem degradation.

Safety Engineering

Kev nthuav dav tsis tau xav txog tuaj yeem yog qhov taw qhia ntxov ntawm kev txawv txav ntawm electrochemical lossis kev coj tus cwj pwm. Kev saib xyuas qhov hloov pauv tuaj yeem ua rau muaj kev nyab xeeb ntxiv -cov ntaub ntawv cuam tshuam thaum kuaj R&D.

Thaum xaivcylindrical roj teeb kuaj cov cuab yeej, cov neeg yuav khoom yuav tsum saib dhau qhov pib them nqi / tso tawm muaj peev xwm.

Rau kev tshawb fawb 4680 xov tooj ntawm tes, lub kaw lus yuav tsum muaj peev xwm saib xyuas cov hluav taws xob ua tau zoo thiab hloov lub cev.

Pom zoo ntsuas ntsuas

Rau cov chaw tshawb fawb thiab cov tuam txhab roj teeb, qhov tseem ceeb tshaj plawsCylindrical Cell Testertsis tas yuav yog ib daim ntawv qhia ntev tshaj plaws. Nws yog qhov system uas tsimrepeatable, traceable cov ntaub ntawv uas engineers siv tau los txiav txim siab tsim.

Hauv -situcylindrical cell expansion testertuaj yeem txhawb nqa ntau yam ntawm cov roj teeb R & D cov haujlwm, suav nrog:

• 4680 cylindrical cell kev loj hlob
• Silicon thiab silicon{0}}kev tshawb fawb carbon anode
• Siab -nickel cathode tshawb fawb
• Kev ntsuas cov khoom siv roj teeb
• Cell qauv optimization
• Steel casing tsim
• Kev tshawb nrhiav thermal tswj
• Cycle- tsom xam lub neej
• Electrochemical{0}}kev tshawb fawb txog kev sib txuas
• Kev ntsuam xyuas roj teeb tsis ua haujlwm
• Advanced lithium{0}}ion roj teeb kev tshawb fawb

Rau cov tsev kawm ntawv qib siab, cov koom haum tshawb fawb, cov tuam txhab roj teeb, thiab cov chaw soj nstuam engineering, kev ntsuas kev nthuav dav tuaj yeem ua tiav cov lus pom zoo.roj teeb them / tso tawm cov khoom siv kuajthiab electrochemical tsom xam systems.

Xiamen Acey Tshiab Zog Technology Co., Ltd. yog ib lub tuam txhab ua haujlwm siab - thev naus laus zis tsom rau cov khoom siv rau lithium - ion roj teeb kev lag luam.

Tsim nyob rau hauv2009, Acey Tshiab Zog muaj ntau dua15 xyoo ntawm kev lag luam kev lag luamthiab ua haujlwm peb lub Hoobkas nrog thaj chaw ua ke ntawm ntau dua20,000 square meters.

Nws cov khoom lag luam suav nrog ntau theem ntawm kev txhim kho roj teeb thiab kev tsim khoom, suav nrog:

• Roj teeb raw khoom
• Npib cell fabrication khoom
• Cylindrical cell lab khoom siv
• Hnab cell fabrication khoom
• Semi- tsis siv neeg roj teeb pob khoom sib dhos
• Tsis siv neeg roj teeb pob khoom sib dhos ua ke
• Roj teeb cell kuaj tshuab
• Roj teeb pob kuaj tshuab
• Roj teeb ib puag ncig kev nyab xeeb kuaj cov cuab yeej
• Cylindrical cell expansion ntsuas cov cuab yeej

Acey Tshiab Zog ua haujlwm nrogtsev kawm ntawv lub chaw soj nstuam, cov koom haum tshawb fawb, cov tuam txhab roj teeb, thiab lwm cov koom tes thoob ntiaj teb.

Rau cov neeg siv khoom tsim tshiab cylindrical cell technologies, qhov kom zoo dua yog muaj kev nkag tau mus rau tus neeg muag khoom uas nkag siab txog kev ua haujlwm ntawm cov roj teeb dav dua - tsis yog ib qho kev ntsuas ib zaug xwb.

Lub tuam txhab tseem muab cov khoom siv kho kom haum raws li cov qauv ntawm tes, cov hom phiaj kev xeem, cov kev xav tau ntau lawm, thiab kev teeb tsa hauv chav kuaj.

Dab tsi ua rau 4680 cylindrical roj teeb o?

4680 cell o tuaj yeem tshwm sim los ntawm ntau yam, suav nrog kev hloov pauv ntawm cov khoom siv hluav taws xob, hluav taws xob sab hauv hluav taws xob, hluav taws xob tsim hluav taws xob, hluav taws xob tsim hluav taws xob, thiab kev txwv kev siv tshuab. Silicon-muaj cov anodes tuaj yeem yog qhov tseem ceeb tshwj xeeb vim tias silicon tau hloov pauv loj thaum lub sij hawm lithiation thiab delithiation.

Lub roj teeb 4680 nthuav dav npaum li cas thaum them?

Tus nqi yog nyob ntawm cov tshuaj ntawm tes, electrode tsim, SOC, qhov kub thiab txias, tus nqi them, thiab cov qauv siv tshuab. Hauv qhov piv txwv tau piav qhia ntawm no, NCM811/SiC 4680 cell qhia kwv yees li0.14% ntim expansion ntawm tag nrho cov nqinyob rau hauv 1C CC-CV them nqi.

Tus nqi no yuav tsum tau kho raws li qhov kev sim rau cov xov tooj tshwj xeeb thiab kev sim, tsis yog qhov nthuav dav dav rau tag nrho 4680 hlwb.

Vim li cas hauv -situ expansion ntsuas tseem ceeb?

Kev ntsuas ib txwm muaj tsuas yog qhia cov kws ua haujlwm paub tias lub xovtooj ntawm tes tau hloov pauv ntau npaum li cas ua ntej thiab tom qab kuaj. Ib hauv -situCylindrical Cell Testertuaj yeem saib xyuas qhov hloov pauv thaum lub sijhawm them thiab tawm, ua kom yooj yim rau kev sib txuas nrog SOC thiab tus cwj pwm electrochemical.

Lub cylindrical cell tester puas tuaj yeem ntsuas qhov nthuav dav?

Yog lawm. Ib qho kev ntsuam xyuas kho qhov muag tau zoo tuaj yeem txheeb xyuas qhov nthuav dav ntawm cov haujlwm sib txawv ntawm lub xov tooj ntawm tes. Qhov no pab txheeb xyuas seb qhov kev nthuav dav yog nyob rau hauv qhov chaw, qhov kawg, lossis lwm thaj chaw.

Vim li cas qhov nruab nrab ntawm 4680 cell nthuav ntau tshaj qhov kawg?

Ib qho laj thawj ua tau yog qhov sib txawv ntawm kev txwv kev siv tshuab. Ob qhov kawg ntawm lub cev cylindrical tuaj yeem ua rau muaj kev txwv ntau dua los ntawm cov qauv casing thiab qhov kawg, thaum lub hauv paus cheeb tsam yuav muaj kev ywj pheej ntau dua rau deform.

Puas yog Cylindrical Cell Tester pab tau rau silicon-kev tshawb fawb anode?

Yog lawm. Vim tias silicon- muaj cov anodes tuaj yeem hloov pauv qhov ntim tseem ceeb, kev saib xyuas ntawm tes nthuav dav tuaj yeem muab cov ntaub ntawv muaj txiaj ntsig txog kev sib raug zoo ntawm electrode chemistry, mechanical cwj pwm, thiab kev ua haujlwm cycling.

Kuv yuav tsum xav txog dab tsi thaum yuav cov khoom siv ntsuas roj teeb cylindrical?

Saib ntawm lub hauv paus ntsiab lus ntawm kev ntsuas, qhov tseeb ntawm qhov ntev, qhov kev daws teeb meem, kev sim synchronization, cov ntaub ntawv tsom xam muaj peev xwm, txhawb nqa cell formats, software, kev sib koom ua ke, thiab tom qab- muag kev txhawb nqa. Rau 4680 txoj kev loj hlob, hauv - qhov kev nthuav dav qhov ntsuas yuav muaj txiaj ntsig tshwj xeeb.

Acey Tshiab Zog tuaj yeem kho cov khoom siv cylindrical cell kuaj?

Yog lawm. Acey Tshiab Zog tsim cov roj teeb kuaj thiab tsim khoom siv rau kev tshawb fawb sib txawv thiab kev tsim khoom. Cov neeg siv khoom thoob ntiaj teb tuaj yeem sib tham txog lawv cov qauv ntawm tes, chemistry, kuaj mob, ntsuas lub hom phiaj, thiab cov kev xav tau kev koom ua ke nrog pab pawg engineering los tsim cov kev daws teeb meem tsim nyog.

Tus cwj pwm nthuav dav ntawm 4680 cylindrical cell muaj cov ntaub ntawv tseem ceeb txog qhov tshwm sim hauv lub roj teeb.

Qhov loj dua 4680 hom coj lub sijhawm rau kev siv zog ntau dua thiab kev tsim khoom, tab sis nws kuj ua rauKev tswj hwm thermal, kev nthuav dav ntawm cov khoom siv, kev txwv kev siv tshuab, thiab kev sib luag ntawm testseem ceeb dua.

Piv txwv ntawm NCM811/SiC 4680 cell qhia tias yog vim li cas ntsuas qhov voltage, tam sim no, thiab muaj peev xwm tsis tas li txaus. Raws li 1C CC- CV them thiab 1C tso tawm kuaj, lub xovtooj tau pom kwv yees li0.14% ntim expansion ntawm tag nrho cov nqi, thaum lub expansion tis kuj sib txawv raws lub cell qhov siab.

Nrog rau hauv -situCylindrical Cell Tester, cov kws tshawb fawb tuaj yeem pom cov kev hloov pauv no thaum lawv tshwm sim.

Cov ntaub ntawv ntawd tuaj yeem txhawb kev txiav txim siab zoo dua hauvKev tsim cov khoom siv hluav taws xob, cylindrical cell qauv tsim, casing optimization, thermal tswj, voj voog - kev tshawb fawb lub neej, thiab kev ntsuam xyuas roj teeb kev nyab xeeb.

Rau cov tuam txhab roj teeb ua haujlwm tom ntej - tiam 4680 thiab lwm yam loj - hom cylindrical hlwb, cov ntaub ntawv nthuav dav kom raug tuaj yeem hloov qhov tsis pom kev hloov pauv mus rau hauv ib yam dab tsi engineers tuaj yeem ntsuas, sib piv, thiab txhim kho.

Nrhiav Lub Cylindrical Cell Tester Rau 4680 Roj Teeb Tshawb Fawb?

Xiamen Acey Tshiab Zog Technology Co., Ltdcylindrical cell test khoomthiab customized roj teeb R & D daws teeb meemrau cov tuam txhab roj teeb, cov chaw tshawb fawb, cov tsev kawm qib siab, thiab cov tuam txhab thev naus laus zis thoob ntiaj teb.

Txawm koj tab tom txhim kho4680 hlwb, silicon-raws li anodes, siab -nickel cathodes, los yog lwm yam tom ntej no - tiam lithium- ion roj teeb, peb pab neeg ua haujlwm engineering tuaj yeem pab koj ntsuas qhov kev kuaj xyuas zoo rau koj qhov project.

Tham nrog Acey Tshiab Zog txog koj lub xov tooj ntawm tes, chemistry, kuaj mob, thiab kev ntsuas kev nthuav dav.

Tau txais customizedCylindrical Cell Testerkev daws teeb meem rau koj lub roj teeb R & D qhov kev pab cuam thiab tig cov ntaub ntawv nthuav dav ntawm tes mus rau hauv kev pom zoo engineering.

Hu rau cov kws paub txog roj teeb