Tshawb nrhiav ntawmDirect Tam sim noTsis kam,
Direct Tam sim no,

▍Vietnam MIC Certification

Circular 42/2016/TT-BTTTT tau teev tseg tias cov roj teeb uas tau teeb tsa hauv lub xov tooj ntawm tes, ntsiav tshuaj thiab phau ntawv sau tsis raug tso cai xa tawm mus rau Nyab Laj tshwj tsis yog lawv raug DoC daim ntawv pov thawj txij thaum Lub Kaum Hli 1, 2016. DoC kuj tseem yuav tsum tau muab thaum thov Kev Pom Zoo Hom rau cov khoom kawg (cov xov tooj ntawm tes, ntsiav tshuaj thiab phau ntawv sau).

MIC tau tshaj tawm tsab xov xwm tshiab 04/2018/TT-BTTTT nyob rau lub Tsib Hlis, 2018 uas tau teev tseg tias tsis muaj IEC 62133: 2012 tshaj tawm tsab ntawv tshaj tawm los ntawm cov chaw kuaj xyuas txawv teb chaws raug lees txais thaum Lub Xya Hli 1, 2018. Kev sim hauv zos yog qhov tsim nyog thaum thov rau ADoC daim ntawv pov thawj.

▍ Test Standard

QCVN101: 2016 / BTT (saib rau IEC 62133: 2012)

▍ PQIR

Tsoom Fwv Teb Chaws Nyab Laj tau tshaj tawm tsab cai tshiab No.

Raws li txoj cai lij choj no, Ministry of Information thiab Communication (MIC) ntawm Nyab Laj tau tshaj tawm cov ntaub ntawv raug cai 2305 / BTTTT-CVT thaum Lub Xya Hli 1, 2018, qhia tias cov khoom hauv qab nws tswj (xws li roj teeb) yuav tsum tau thov rau PQIR thaum raug xa tawm. mus rau Nyab Laj. SDoC yuav tsum raug xa mus ua kom tiav cov txheej txheem kev lis kev cai. Hnub kawg ntawm kev nkag mus rau hauv cov cai no yog lub Yim Hli 10, 2018. PQIR muaj feem xyuam rau ib qho kev ntshuam mus rau Nyab Laj, uas yog, txhua zaus tus neeg xa khoom tuaj txawv teb chaws, nws yuav tsum thov rau PQIR (batch tshuaj xyuas) + SDoC.

Txawm li cas los xij, rau cov neeg lag luam uas tau ceev nrooj xa cov khoom tsis muaj SDOC, VNTA yuav tshawb xyuas PQIR ib ntus thiab pab txhawb kev lis kev cai. Tab sis cov neeg xa khoom yuav tsum xa SDoC rau VNTA kom ua tiav tag nrho cov txheej txheem kev lis kev cai tsis pub dhau 15 hnub ua haujlwm tom qab kev lis kev cai. (VNTA yuav tsis muab ADOC yav dhau los uas tsuas yog siv tau rau Nyab Laj Hauv Zos Cov Chaw Tsim Khoom)

▍ Vim li cas MCM?

● Qhia tawm cov ntaub ntawv tshiab

● Co-founder ntawm Quacert roj teeb kuaj kuaj

MCM yog li dhau los ua tus neeg sawv cev ntawm lub chaw sim no hauv Mainland Tuam Tshoj, Hong Kong, Macau thiab Taiwan.

● Ib-stop Agency Service

MCM, ib qho chaw ua haujlwm zoo tshaj plaws rau ib qho chaw, muab kev sim, ntawv pov thawj thiab kev pabcuam tus neeg sawv cev rau cov neeg siv khoom.

Thaum lub sij hawm them thiab tawm ntawm cov roj teeb, lub peev xwm yuav cuam tshuam los ntawm overvoltage tshwm sim los ntawm kev tiv thaiv sab hauv. Raws li qhov tseem ceeb ntawm cov roj teeb, kev tiv thaiv sab hauv yog tsim nyog rau kev tshawb fawb los soj ntsuam cov roj teeb degradation. Internal resistance ntawm ib lub roj teeb muaj: Ohm internal kuj (RΩ) -Qhov kev tiv thaiv los ntawm tabs, electrolyte, separator thiab lwm yam Cheebtsam.Charges kis tau tus mob internal resistance (Rct) - Cov kuj ntawm ions dhau tabs thiab electrolyte. Qhov no sawv cev rau qhov nyuaj ntawm cov tshuaj tiv thaiv tabs. Feem ntau peb tuaj yeem ua kom cov conductivity kom txo tau qhov kev tiv thaiv no.Polarization Resistance (Rmt) yog qhov kev tiv thaiv sab hauv los ntawm qhov ntom ntom tsis sib xws ntawm lithium ions ntawm cathode thiab anode. Polarization Resistance yuav siab dua nyob rau hauv cov xwm txheej zoo li them rau qhov kub thiab txias. ACIR yog qhov kev tiv thaiv sab hauv ntsuas hauv 1k Hz AC tam sim no. Qhov kev tiv thaiv sab hauv no tseem hu ua Ohm tsis kam. Qhov tsis txaus ntawm cov ntaub ntawv yog tias nws tsis tuaj yeem ncaj qha qhia kev ua haujlwm ntawm lub roj teeb. DCIR yog ntsuas los ntawm qhov yuam kev tam sim no nyob rau hauv ib lub sij hawm luv luv, nyob rau hauv uas lub voltage tsis tu ncua hloov. Yog tias qhov tam sim no tam sim no yog kuv, thiab qhov kev hloov ntawm qhov hluav taws xob hauv lub sijhawm luv luv yog ΔＵ, raws li Ohm txoj cai Ｒ＝ΔＵ／Ｉ Peb tuaj yeem tau txais DCIR. DCIR tsis yog tsuas yog Ohm sab hauv tsis kam, tab sis kuj them tus nqi hloov pauv thiab polarization tsis kam.
Nws yog ib qho nyuaj rau kev tshawb fawb ntawm DCIR ntawm lithium-ion roj teeb. Nws yog qhov tseem ceeb vim hais tias sab hauv tsis kam ntawm lithium-ion roj teeb me me, feem ntau tsuas yog qee qhov mΩ. Meanwhile raws li ib tug active tivthaiv, nws yog ib qho nyuaj rau ntsuas lub internal kuj ncaj qha. Tsis tas li ntawd, kev tiv thaiv sab hauv yog cuam tshuam los ntawm cov xwm txheej ntawm ib puag ncig, zoo li qhov kub thiab txias. Hauv qab no yog cov qauv uas tau hais txog yuav ua li cas kuaj DCIR.
International Standard:
IEC 61960-3: 2017 Cov xov tooj thib ob thiab cov roj teeb uas muaj alkaline lossis lwm yam tsis yog-acid electrolytes - Cov roj ntsha lithium thib ob thiab cov roj teeb rau cov ntawv thov nqa tau - Ntu 3: Prismatic thiab cylindrical lithium ob lub hlwb thiab cov roj teeb ua los ntawm lawv.
IEC 62620: 2014: Cov hlwb thib ob thiab cov roj teeb uas muaj alkaline lossis lwm yam tsis-acid electrolytes - Cov roj ntsha lithium thib ob thiab cov roj teeb siv rau kev siv hauv kev lag luam.