Ƙaddamar da Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararru
Tilastawa AjiyewaGwaji Data Analysis,
Tilastawa Ajiyewa,
▍ Bayanin Takaddun shaida
Ma'auni da Takardun Takaddun Shaida
Matsayin gwaji: GB31241-2014:Kwayoyin lithium ion da batura da ake amfani da su a cikin kayan lantarki mai ɗaukar hoto-Buƙatun aminci
Takardar shaida: CQC11-464112-2015:Dokokin Takaddun Takaddun Tsaro na Baturi da Kunshin Baturi don Na'urorin Lantarki Mai Sauƙi
Fage da Ranar aiwatarwa
1. GB31241-2014 an buga shi a ranar 5 ga Disambath, 2014;
2. An aiwatar da GB31241-2014 a tilas a ranar 1 ga Agustast, 2015.;
3. A kan Oktoba 15th, 2015, Takaddun shaida da Gudanar da Amincewa sun ba da ƙudurin fasaha akan ƙarin gwajin gwajin GB31241 don mahimmin ɓangaren "baturi" na kayan sauti da bidiyo, kayan fasahar bayanai da kayan aiki na tashar telecom. Ƙudurin ya ƙayyadad da cewa batirin lithium da aka yi amfani da su a cikin samfuran da ke sama suna buƙatar gwadawa ba tare da izini ba kamar GB31241-2014, ko samun takaddun shaida na daban.
Lura: GB 31241-2014 mizanin tilas ne na ƙasa. Duk samfuran batirin lithium da aka sayar a China zasu dace da ma'aunin GB31241. Za a yi amfani da wannan ma'auni a cikin sabbin tsare-tsare na samfur don dubawa na ƙasa, lardi da na gida.
▍Isan Takaddun Shaida
GB31241-2014Kwayoyin lithium ion da batura da ake amfani da su a cikin kayan lantarki mai ɗaukar hoto-Buƙatun aminci
Takardun shaidaya fi dacewa don samfuran lantarki ta hannu waɗanda aka tsara ba su wuce 18kg kuma masu amfani da yawa za su iya ɗauka. Manyan misalan su ne kamar haka. Samfuran lantarki masu ɗaukuwa da aka jera a ƙasa ba su haɗa da duk samfuran ba, don haka samfuran da ba a jera su ba lallai ba ne a waje da iyakokin wannan ƙa'idar.
Kayan aiki masu sawa: Batura lithium-ion da fakitin baturi da ake amfani da su a cikin kayan aiki suna buƙatar biyan daidaitattun buƙatun.
| Kayan kayan lantarki | Misalai dalla-dalla na nau'ikan samfuran lantarki daban-daban |
| Samfuran ofis masu ɗaukar nauyi | littafin rubutu, pda, da sauransu. |
| Kayayyakin sadarwar wayar hannu | wayar hannu, waya mara waya, na'urar kai ta Bluetooth, walkie-talkie, da sauransu. |
| Samfuran sauti da bidiyo masu ɗaukar nauyi | saitin talabijin mai šaukuwa, mai ɗaukar hoto, kyamara, kyamarar bidiyo, da sauransu. |
| Sauran samfuran šaukuwa | lantarki navigator, dijital hoto frame, wasan consoles, e-littattafai, da dai sauransu. |
▍Me yasa MCM?
● Ƙwarewar cancanta: MCM dakin gwaje-gwajen kwangila ne da aka amince da CQC da kuma dakin gwaje-gwaje na CESI. Ana iya amfani da rahoton gwajin da aka bayar kai tsaye don takardar shaidar CQC ko CESI;
● Taimakon fasaha: MCM yana da isasshen kayan gwaji na GB31241 kuma an sanye shi da ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun 10 don gudanar da bincike mai zurfi kan fasahar gwaji, takaddun shaida, binciken masana'anta da sauran hanyoyin aiwatarwa, wanda zai iya ba da ƙarin daidaitattun sabis na takaddun shaida na GB 31241 na duniya. abokan ciniki.
Gwajin fitar da karfi abu ne don gwajin amincin fitarwa. Yawanci za a fitar da tantanin halitta da aka gwada a cikin 1 ItA na 90 min. Hoto 1 ginshiƙi ne na gwajin fitar da ƙarfi daga wani nau'in tantanin halitta na lithium-ion. Ba kamar ƙirar manufa ta al'ada (kamar yadda aka nuna a adadi 2), ƙarfin lantarki da na yanzu suna canzawa. Don haka muna ƙoƙarin yin nazarin babban abin da ke bayan ginshiƙi.
Dangane da yanayin ƙarfin lantarki, zamu iya raba tsarin fitarwa zuwa matakai uku. A mataki na farko, ƙarfin lantarki yana raguwa daga 3V zuwa 0.65V. A mataki na biyu, ƙarfin lantarki yana kusa da 0.65V zuwa 0.5V. Wutar lantarki ta daina faduwa, kuma akwai sauyi. A mataki na uku, ƙarfin lantarki yana raguwa zuwa 0V, kuma babu wani canji. Anan wutar lantarki tana nufin yuwuwar bambanci tsakanin anode da cathode.
Ƙarfin wutar lantarki yana raguwa tare da ci gaba da fitarwa. Wannan shi ne saboda yuwuwar maƙarƙashiya mai ƙarfi yana ƙaruwa kuma na ɗan sanda yana raguwa, kuma li-ion yana fita daga sanda mara kyau zuwa tabbatacce. Yayin da gwajin ke amfani da halin yanzu na 1C, ƙarfin lantarki yana faɗuwa da sauri. Za a iya rushe fim ɗin SEI a cikin wannan tsari, samar da gas da zafi.
Ƙarfin sandar sanda mara kyau yana ƙaruwa har sai abin da zai iya haifar da narkar da tagulla. Kamar yadda akwai gashin carbon, ana buƙatar mafi girma fiye da yuwuwar don haifar da foil ɗin jan ƙarfe, saboda cu-ion yana canja wurin cajin lantarki. A cikin madaidaicin sandar, foil ɗin jan ƙarfe yana narkar da shi kuma an sanya shi oxidized zuwa Cu + sannan Cu2+ kuma waɗannan cu-ion suna shiga ta hanyar fim daban zuwa sanda mai kyau, tare da Cu2+ redox zuwa Cu+, sannan a sake maimaita tagulla, ana ajiyewa akan sandar inganci.
