Kev ntsuas cua sov rau Ternary li-cell thiab LFP cell
Kev ntsuas cua sov rau Ternary li-cell thiabLFPcell,
LFP,
▍ Daim ntawv pov thawj Txheej txheem cej luam
Cov Ntawv Pov Thawj thiab Cov Ntawv Pov Thawj
Cov qauv xeem: GB31241-2014:Lithium ion hlwb thiab cov roj teeb siv hauv cov khoom siv hluav taws xob portable - Cov kev xav tau ntawm kev nyab xeeb
Daim ntawv pov thawj: CQC11-464112-2015:Secondary Battery and Battery Pack Safety Certification Rules for Portable Electronic Devices
Keeb Kwm thiab Hnub Ua Haujlwm
1. GB31241-2014 tau luam tawm rau lub Kaum Ob Hlis 5th, 2014;
2. GB31241-2014 tau raug coj los siv rau lub Yim Hli 1st, 2015.;
3. Thaum Lub Kaum Hli 15th, 2015, Certification and Accreditation Administration tau tshaj tawm ib qho kev daws teeb meem ntawm cov qauv xeem ntxiv GB31241 rau cov khoom tseem ceeb "roj teeb" ntawm cov khoom siv suab thiab video, cov khoom siv thev naus laus zis thiab cov khoom siv hauv xov tooj. Qhov kev daws teeb meem tau teev tseg tias cov roj teeb lithium siv rau hauv cov khoom saum toj no yuav tsum tau sim sim raws li GB31241-2014, lossis tau txais daim ntawv pov thawj cais.
Nco tseg: GB 31241-2014 yog tus qauv tsim nyog hauv tebchaws. Tag nrho cov khoom siv roj teeb lithium muag hauv Suav teb yuav tsum ua raws li tus qauv GB31241. Cov qauv no yuav raug siv rau hauv cov qauv qauv tshiab rau kev soj ntsuam hauv tebchaws, xeev thiab hauv zos.
▍ Scope of Certification
GB31241-2014Lithium ion hlwb thiab cov roj teeb siv hauv cov khoom siv hluav taws xob portable - Cov kev xav tau ntawm kev nyab xeeb
Cov ntaub ntawv pov thawjFeem ntau yog rau cov khoom siv hluav taws xob hauv xov tooj ntawm tes uas tau teem sijhawm tsawg dua 18kg thiab tuaj yeem nqa tau los ntawm cov neeg siv feem ntau. Cov piv txwv tseem ceeb yog raws li hauv qab no. Cov khoom siv hluav taws xob portable uas tau teev tseg hauv qab no tsis suav nrog txhua yam khoom, yog li cov khoom lag luam tsis tau teev tseg tsis tas yuav nyob sab nraud ntawm tus qauv no.
Cov cuab yeej siv tau: Cov roj teeb lithium-ion thiab cov roj teeb uas siv rau hauv cov khoom siv yuav tsum tau ua raws li cov qauv kev cai.
| Electronic khoom qeb | Cov qauv nthuav dav ntawm ntau hom khoom siv hluav taws xob |
| Portable cov khoom siv hauv chaw ua haujlwm | phau ntawv, pda, thiab lwm yam. |
| Cov khoom siv sib txuas lus txawb | xov tooj ntawm tes, xov tooj cordless, Bluetooth headset, walkie-talkie, thiab lwm yam. |
| Portable audio thiab video khoom | portable TV teeb, portable player, lub koob yees duab, yees duab yees, thiab lwm yam. |
| Lwm yam khoom siv portable | electronic navigator, digital photo frame, game consoles, e-books, thiab lwm yam. |
▍ Vim li cas MCM?
● Kev lees paub Kev Tsim Nyog: MCM yog CQC qhov chaw kuaj pom muaj ntawv pov thawj thiab CESI kuaj pom zoo. Daim ntawv tshaj tawm xeem tuaj yeem thov ncaj qha rau CQC lossis CESI daim ntawv pov thawj;
● Kev pab txhawb nqa: MCM muaj ntau yam khoom siv kuaj GB31241 thiab tau nruab nrog ntau tshaj 10 tus kws tshaj lij los ua qhov kev tshawb fawb tob txog kev sim tshuab, ntawv pov thawj, kev kuaj xyuas lub Hoobkas thiab lwm cov txheej txheem, uas tuaj yeem muab tau ntau dua thiab kho tau raws li GB 31241 daim ntawv pov thawj cov kev pabcuam thoob ntiaj teb. cov neeg siv khoom.
Hauv kev lag luam tsheb fais fab tshiab, ternary lithium roj teeb thiab lithium hlau phosphate roj teeb yeej ib txwm yog lub hom phiaj ntawm kev sib tham. Ob leeg muaj lawv qhov zoo thiab qhov tsis zoo. Lub roj teeb ternary lithium muaj lub zog siab ceev, kev ua haujlwm zoo ntawm qhov kub thiab txias, thiab kev caij nkoj siab, tab sis tus nqi kim thiab tsis ruaj khov. LFP yog pheej yig, ruaj khov, thiab muaj kev ua haujlwm kub zoo. Qhov tsis zoo yog qhov ua haujlwm tsis zoo ntawm qhov kub thiab txias thiab tsis muaj zog ceev. Nyob rau hauv txoj kev loj hlob ntawm ob lub roj teeb, vim yog cov kev cai sib txawv thiab kev xav tau ntawm kev tsim kho, ob hom kev ua si tawm tsam ib leeg nce thiab nqis. Tab sis tsis muaj teeb meem li cas ob hom kev txhim kho, kev nyab xeeb kev ua haujlwm yog qhov tseem ceeb.
Cov roj teeb lithium-ion feem ntau yog tsim los ntawm cov khoom siv tsis zoo electrode, electrolyte thiab cov khoom zoo electrode. Cov tshuaj ua haujlwm ntawm cov khoom tsis zoo electrode graphite yog ze rau ntawm cov hlau lithium hauv lub xeev them. SEI zaj duab xis nyob rau saum npoo decomposes ntawm qhov kub thiab txias, thiab lithium ions embedded nyob rau hauv lub graphite react nrog cov electrolyte thiab cov binder polyvinylidene fluoride tso tawm ntau cua sov. Alkyl carbonate organic tov yog feem ntau siv los ua electrolytes, uas yog flammable. Cov khoom siv hluav taws xob zoo feem ntau yog hloov pauv hlau oxide, uas muaj cov khoom muaj zog oxi dizing hauv lub xeev them, thiab yooj yim decomposed kom tso pa tawm ntawm qhov kub thiab txias. Cov pa oxygen tso tawm dhau los ua cov tshuaj tiv thaiv oxidation nrog cov electrolyte, thiab tom qab ntawd tso tawm cov cua kub ntau.Yog li ntawd, los ntawm qhov pom ntawm cov khoom siv, cov roj teeb lithium-ion muaj kev pheej hmoo siab, tshwj xeeb tshaj yog thaum muaj kev tsim txom, teeb meem kev nyab xeeb muaj ntau dua. tseem ceeb. Txhawm rau simulate thiab sib piv qhov kev ua tau zoo ntawm ob lub roj teeb lithium-ion sib txawv nyob rau hauv qhov kub thiab txias, peb tau ua cov kauj ruam hauv qab no.
