Nyocha naDirect Ugbu aNguzogide,
Direct Ugbu a,

Asambodo MIC nke Vietnam

Circular 42/2016/TT-BTTTT kwuru na a naghị ekwe ka ebupụ batrị arụnyere na ekwentị mkpanaaka, mbadamba na akwụkwọ ndetu na Vietnam ma ọ bụrụ na edobere ha akwụkwọ ikike DoC kemgbe Oct.1,2016. A ga-achọkwa DoC inye mgbe ị na-etinye Ụdị Nkwado maka ngwaahịa njedebe (ekwentị mkpanaaka, mbadamba na akwụkwọ ndetu).

MIC wepụtara ọhụrụ Circular 04/2018/TT-BTTTT na May,2018 nke na-akọwa na ọ dịghị ọzọ IEC 62133:2012 akụkọ nke esenidụt accredited laabu na-anabata na July 1, 2018. Mpaghara ule dị mkpa mgbe itinye akwụkwọ maka ADoC akwụkwọ.

▍ Ụkpụrụ nyocha

QCVN101: 2016/BTTTT (na-ezo aka na IEC 62133: 2012)

▍PQIR

Gọọmenti Vietnamese nyere iwu ọhụrụ No. 74/2018 / ND-CP na Mee 15, 2018 iji kwupụta na ụdị ngwaahịa abụọ a na-ebubata na Vietnam bụ n'okpuru ngwa PQIR (Nleba Nleba Ogo Ngwaahịa) mgbe a na-ebubata na Vietnam.

Dabere na iwu a, Ministry of Information and Communication (MIC) nke Vietnam nyere akwụkwọ ikike 2305/BTTTT-CVT na July 1, 2018, na-akọwa na ngwaahịa ndị dị n'okpuru ya (gụnyere batrị) ga-etinyerịrị maka PQIR mgbe a na-ebubata ya. banye Vietnam. A ga-edobe SdoC iji mechaa usoro mkpochapụ kọstọm. Ụbọchị ọrụ nke ntinye iwu nke iwu a bụ August 10, 2018. PQIR na-emetụta otu mbubata na Vietnam, ya bụ, oge ọ bụla onye na-ebubata ngwaahịa na-ebubata, ọ ga-etinye akwụkwọ maka PQIR (nyocha batch) + SDoC.

Agbanyeghị, maka ndị na-ebubata ngwa ngwa na-ebubata ngwa ahịa na-enweghị SDOC, VNTA ga-enyocha PQIR nwa oge wee kwado mkpochapụ kọstọm. Mana ndị mbubata kwesịrị ịnyefe SDoC na VNTA iji mechaa usoro mkpochapụ kọstọm n'ime ụbọchị ọrụ iri na ise ka emechara kọstọm. (VNTA agaghịzi ewepụta ADOC gara aga nke bụ naanị ndị nrụpụta mpaghara Vietnam)

▍ Gịnị kpatara MCM?

● Onye na-ekesa ozi kacha ọhụrụ

● Onye rụpụtara ụlọ nyocha batrị Quacert

MCM si otú a bụrụ onye na-ahụ maka ụlọ nyocha a na Mainland China, Hong Kong, Macau na Taiwan.

● Ọrụ Ụlọ Ọrụ Otu nkwụsị

MCM, ezigbo ụlọ ọrụ nkwụsịtụ, na-enye nnwale, asambodo na ọrụ nnọchite anya maka ndị ahịa.

N'oge ịchaji na ịchaji batrị, ike ga-emetụta oke oke nke nguzogide nke ime. Dị ka ihe dị oke egwu nke batrị, nguzogide dị n'ime kwesịrị nyocha maka nyochaa mmebi batrị. Nkwụsị n'ime batrị nwere: Ohm nguzogide n'ime ime (RΩ) - Nguzogide site na taabụ, electrolyte, separator na ihe ndị ọzọ. Charges transfer internal resistance (Rct) - Nguzogide nke ions na-agafe taabụ na electrolyte. Nke a na-anọchi anya ihe isi ike nke mmeghachi omume taabụ. Nọmalị anyị nwere ike dịkwuo conductivity iji belata a resistance.Polarization Resistance (Rmt) bụ esịtidem nguzogide kpatara njupụta uneven nke lithium ion n'etiti cathode na anode. Nkwụsi ike nke polarization ga-adị elu n'ọnọdụ ndị dị ka ịchaji na obere okpomọkụ ma ọ bụ ụgwọ dị elu. Anyị na-atụle ACIR ma ọ bụ DCIR. ACIR bụ nguzogide ime tụrụ na 1k Hz AC ugbu a. A na-akpọkwa nguzogide dị n'ime a dị ka nkwụsị Ohm. Ụkọ nke data bụ na ọ nweghị ike igosi arụmọrụ batrị ozugbo. A na-atụ DCIR site na mmanye na-adịgide adịgide n'ime obere oge, nke voltaji na-agbanwe agbanwe. Ọ bụrụ na ngwa ngwa ugbu a bụ m, na mgbanwe nke voltaji na obere oge ahụ bụ ΔＵ, dị ka Ohm iwu Ｒ＝Δ／Ｉ Anyị nwere ike nweta DCIR. DCIR abụghị maka naanị nguzogide Ohm, kama ọ na-akwụkwa ụgwọ nguzogide mbufe na nguzogide polarization.
Ọ na-esiri ike mgbe niile na nyocha nke DCIR nke batrị lithium-ion. Ọ bụ n'ihi na nguzogide nke ime batrị lithium-ion dị obere, na-abụkarị naanị mΩ. Ka ọ dị ugbu a dị ka akụrụngwa na-arụ ọrụ, ọ na-esiri ike ịlele nguzogide nke ime ozugbo. E wezụga nke ahụ, ọnọdụ gburugburu ebe obibi na-emetụta nguzogide dị n'ime, dị ka ọnọdụ okpomọkụ na ụgwọ ụgwọ. N'okpuru bụ ụkpụrụ ndị kwurula maka otu esi nwalee DCIR.
Ọkọlọtọ mba ụwa:
IEC 61960-3 sel nke abụọ na batrị nwere alkaline ma ọ bụ electrolytes ndị ọzọ na-abụghị acid - sel lithium nke abụọ na batrị maka ngwa mbugharị - Nkebi 3: Prismatic na cylindrical lithium sel abụọ na batrị emere site na ha.
TS EN 62620 sel nke abụọ na batrị nwere alkaline ma ọ bụ electrolytes ndị ọzọ na-abụghị acid - sel lithium nke abụọ na batrị maka ojiji na ngwa ụlọ ọrụ.