Fage

Tun a watan Yulin 2023, a taro na 62 na Kwamitin Ƙwararru na Harkokin Tattalin Arziƙi na Majalisar Dinkin Duniya kan Sufuri na Kaya Masu Haɗari, Kwamitin ya tabbatar da ci gaban aikin da ƙungiyar Aiki ta Informal Working Group (IWG) ta samu kan tsarin rarraba haɗari ga ƙwayoyin lithium da batura. , kuma sun yarda da nazarin IWG naDaftarin Dokokida kuma sake duba rarrabuwar haɗari na "Model" da ƙa'idar gwaji naManual na Gwaji da Ma'auni.

A halin yanzu, mun sani daga sabbin takaddun aiki na zama na 64th cewa IWG ta ƙaddamar da daftarin da aka sabunta na tsarin rarraba haɗarin baturi na lithium (ST/SG/AC.10/C.3/2024/13). Za a gudanar da taron ne daga ranar 24 ga Yuni zuwa 3 ga Yuli, 2024, lokacin da karamin kwamiti zai duba daftarin.

Babban bita ga rarrabuwar haɗarin batir lithium sune kamar haka:

Dokoki

Kara rarrabewar haɗarikumaLambar UNdon ƙwayoyin lithium da batura, ƙwayoyin ion sodium da batura

Ya kamata a ƙayyade yanayin cajin baturi yayin sufuri bisa ga buƙatun nau'in haɗari wanda yake;

Gyara tanadi na musamman 188, 230, 310, 328, 363, 377, 387, 388, 389, 390;

An ƙara sabon nau'in marufi: PXXX da PXXY;

Manual na Gwaji da Ma'auni

Ƙaddara buƙatun gwaji da jadawalin rarrabuwa da ake buƙata don rarrabuwar haɗari;

Ƙarin abubuwan gwaji:

T.9: Gwajin yaduwa

T.10: Tabbatar da ƙarar iskar gas

T.11: Gwajin yaduwar baturi

T.12: Ƙididdigar ƙarar gas ɗin baturi

T.13: Ƙayyadaddun ƙonewar iskar gas

Wannan labarin zai gabatar da sabon rarrabuwa na haɗarin baturi da abubuwan gwaji da aka ƙara a cikin daftarin.

Rarraba bisa ga nau'ikan haɗari

Ana sanya sel da batura zuwa ɗaya daga cikin rarrabuwa bisa ga kaddarorin haɗari kamar yadda aka ayyana a cikin tebur mai zuwa. An sanya sel da batura zuwa rarrabuwa wanda yayi daidai da sakamakon gwaje-gwajen da aka bayyana a cikinManual na Gwaji da Ma'auni, Sashe na III, karamin sashe na 38.3.5 da 38.3.6.

Kwayoyin lithium da batura

Sodium ion baturi

Kwayoyin da batura ba a gwada su bisa ga 38.3.5 da 38.3.6, ciki har da sel da batura waɗanda ke da samfuri ko ƙananan samarwa, kamar yadda aka ambata a cikin tanadi na musamman 310, ko lalacewa ko lahani da ƙwayoyin cuta da batura an sanya su zuwa lambar rarrabawa 95X.

Kayan Gwaji

Domin tantance takamaiman rarraba tantanin halitta ko baturi,3 maimaitawaZa a gudanar da gwaje-gwajen da suka yi daidai da jadawalin rarrabawa. Idan ɗaya daga cikin gwaje-gwajen ba za a iya kammalawa ba kuma ya sa kimantawar haɗari ba zai yiwu ba, za a yi ƙarin gwaje-gwaje, har sai an kammala gwaje-gwaje masu inganci guda 3. Mafi girman haɗari da aka auna akan gwaje-gwaje masu inganci 3 za a ba da rahoton sakamakon gwajin tantanin halitta ko baturi. .

Ya kamata a gudanar da abubuwan gwaji masu zuwa don tantance takamaiman rarrabuwa na tantanin halitta ko baturi:

T.9: Gwajin yaduwa

T.10: Tabbatar da ƙarar iskar gas

T.11: Gwajin yaduwar baturi

T.12: Ƙididdigar ƙarar gas ɗin baturi

T.13: Ƙididdigar flammability na cell (Ba duk baturan lithium ba ne ke nuna haɗari na flammability. Gwaji don ƙayyade gas ɗin gas ɗin zaɓi ne don aiki zuwa ko dai sassan 94B, 95B ko 94C da 95C. Idan ba a gudanar da gwaji ba, sai a dauki kashi 94B ko 95B ta hanyar. tsoho.)

Takaitawa

Bita-jita ga rarrabuwar haɗari na baturan lithium sun ƙunshi abubuwa da yawa, kuma an ƙara sabbin gwaje-gwaje 5 masu alaƙa da guduwar zafi. An kiyasta cewa yana da wuya cewa duk waɗannan sababbin buƙatun za su wuce, amma har yanzu ana ba da shawarar yin la'akari da su a gaba a cikin ƙirar samfur don kauce wa rinjayar sake zagayowar ci gaban samfurin da zarar sun wuce.