labarai

A halin yanzu, batirin lithium ion yana taka muhimmiyar rawa a rayuwar mutane, amma har yanzu akwai wasu matsaloli a fasahar batirin lithium. Babban dalili shi ne cewa electrolyte da ake amfani da shi a cikin batirin lithium shine lithium hexafluorophosphate, wanda yake da matukar tasiri ga danshi kuma yana da aikin zafin jiki mai yawa. Kayayyakin rashin kwanciyar hankali da narkar da abubuwa suna lalata kayan lantarki, wanda ke haifar da rashin ingancin aikin batirin lithium. A lokaci guda, LiPF6 kuma yana da matsaloli kamar rashin narkewa da ƙarancin wutar lantarki a cikin yanayin zafi mai ƙarancin zafi, wanda ba zai iya biyan amfanin batirin lithium mai ƙarfi ba. Saboda haka, yana da matukar muhimmanci a samar da sabbin gishirin lithium mai electrolyte tare da kyakkyawan aiki.
Zuwa yanzu, cibiyoyin bincike sun ƙirƙiro nau'ikan gishirin lithium na electrolyte iri-iri, waɗanda suka fi wakiltar su sune lithium tetrafluoroborate da lithium bis-oxalate borate. Daga cikinsu, lithium bis-oxalate borate ba shi da sauƙin ruɓewa a yanayin zafi mai yawa, rashin jin daɗin danshi, tsarin haɗa sinadarai mai sauƙi, a'a Yana da fa'idodin gurɓatawa, kwanciyar hankali na electrochemical, faffadan taga, da ikon samar da kyakkyawan fim ɗin SEI akan saman electrode mara kyau, amma ƙarancin narkewar electrolyte a cikin sinadarai masu carbonate masu layi yana haifar da ƙarancin watsawa, musamman ƙarancin aikin zafin jiki. Bayan bincike, an gano cewa lithium tetrafluoroborate yana da babban narkewa a cikin sinadarai masu carbonate saboda ƙaramin girman ƙwayoyin halitta, wanda zai iya inganta aikin ƙananan zafin jiki na batirin lithium yadda ya kamata, amma ba zai iya samar da fim ɗin SEI akan saman electrode mara kyau ba. Gishirin lithium na electrolyte lithium difluorooxalate borate, bisa ga halayen tsarinsa, lithium difluorooxalate borate ya haɗu da fa'idodin lithium tetrafluoroborate da lithium bis-oxalate borate a cikin tsari da aiki, ba kawai a cikin sinadarai masu carbonate masu layi ba. A lokaci guda, yana iya rage danko na electrolyte da kuma ƙara yawan aiki, ta haka yana ƙara inganta ƙarancin zafin jiki da kuma ƙimar aikin batirin lithium ion. Lithium difluorooxalate borate kuma yana iya samar da wani tsari na siffa a saman electrode mara kyau kamar lithium bisoxalate borate. Fim ɗin SEI mai kyau ya fi girma.
Vinyl sulfate, wani ƙarin gishirin da ba na lithium ba, shi ma wani ƙarin abu ne da ke samar da fim ɗin SEI, wanda zai iya hana raguwar ƙarfin farko na batirin, ƙara ƙarfin fitarwa na farko, rage faɗaɗa batirin bayan an sanya shi a babban zafin jiki, da kuma inganta aikin caji da fitar da batirin, wato, yawan zagayowar. . Ta haka ne za a ƙara juriyar batirin da kuma tsawaita tsawon rayuwar sabis na batirin. Saboda haka, ci gaban abubuwan ƙari na electrolyte yana samun ƙarin kulawa, kuma buƙatar kasuwa tana ƙaruwa.
A cewar "Katalogin Jagorar Daidaita Tsarin Masana'antu (Bugu na 2019)", ƙarin sinadaran lantarki na wannan aikin sun yi daidai da ɓangaren farko na rukunin ƙarfafawa, Mataki na 5 (sabon makamashi), batu na 16 "haɓakawa da amfani da fasahar sabbin makamashi ta hannu", Mataki na 11 (masana'antar sinadarai masu sinadarai na Petrochemical) batu na 12 "an gyara, manne-manne masu tushen ruwa da sabbin manne masu narkewa mai zafi, masu shan ruwa masu kyau ga muhalli, wakilan maganin ruwa, manne-manne mai ƙarfi na molecular, marasa mercury da sauran sabbin masu haɓaka da masu dacewa da muhalli, kayan nano, Haɓakawa da samar da kayan membrane masu aiki, masu tsaftacewa da tsafta mai ƙarfi, masu tsayayya da hasken rana, iskar gas ta lantarki, kayan lu'ulu'u masu ƙarfi da sauran sabbin sinadarai masu kyau; Dangane da bita da nazarin takardu na manufofin masana'antu na ƙasa da na gida kamar "Sanarwa akan Jagororin Jerin Mara Kyau don Ci gaban Belt na Tattalin Arziki (don Aiwatar da Gwaji)" (Takardar Ofishin Changjiang Lamba ta 89), an tabbatar da cewa wannan aikin ba aikin ci gaba ne da aka takaita ko aka haramta ba.
Makamashin da ake amfani da shi lokacin da aikin ya kai ga ƙarfin samarwa ya haɗa da wutar lantarki, tururi da ruwa. A halin yanzu, aikin yana ɗaukar fasahar samarwa da kayan aiki na masana'antar, kuma yana ɗaukar matakai daban-daban na adana makamashi. Bayan an fara amfani da shi, duk alamun amfani da makamashi sun kai matakin ci gaba a masana'antar iri ɗaya a China, kuma sun yi daidai da ƙayyadaddun ƙira na adana makamashi na ƙasa da na masana'antu, ƙa'idodin sa ido kan adana makamashi da kayan aiki. Matsayin aiki na tattalin arziki; matuƙar aikin ya aiwatar da alamomi daban-daban na ingancin makamashi, alamun amfani da makamashi na samfura da matakan adana makamashi da aka gabatar a cikin wannan rahoto yayin gini da samarwa, aikin zai yiwu daga mahangar amfani da makamashi mai ma'ana. Dangane da wannan, an tabbatar da cewa aikin ba ya haɗa da amfani da albarkatu akan layi.
Tsarin aikin shine: lithium difluorooxalate borate 200t/a, wanda 200t/a lithium tetrafluoroborate ake amfani da shi azaman kayan aiki na lithium difluorooxalate borate, ba tare da aikin sarrafawa ba, amma kuma ana iya samar da shi azaman samfurin da aka gama daban gwargwadon buƙatar kasuwa. Vinyl sulfate shine 1000t/a. Duba Tebur 1.1-1

Tebur 1.1-1 Jerin hanyoyin magance samfura

NO

SUNA

Yawan amfanin ƙasa (t/a)

Bayanin marufi

BAYANI

1

Lithium Fluoromyramramidine

200

25 kg50 kg200kg

Daga cikinsu, ana amfani da kimanin 140T lithium tetrafluorosyramine a matsayin matsakaici don samar da lithium boric acid boric acid

2

Lithium fluorophytic acid boric acid

200

25 kg50 kg200 kg

3

Sulfate

1000

25 kg50 kg200 kg

An nuna ƙa'idodin ingancin samfura a cikin Tebur 1.1-2 ~ 1.1-4.

Tebur 1..1-2 Lithium Tetrafluoroborate Ingancin Ma'aunin

NO

KAYA

Ma'aunin Inganci

1

Bayyanar

Foda fari

2

Ingancin maki%

≥99.9

3

Ruwappm

≤100

4

Fluorine,ppm

≤100

5

Chlorine,ppm

≤10

6

Sulfate,ppm

≤100

7

Sodium(Na, ppm

≤20

8

Potassium(K, ppm

≤10

9

ƙarfeFe, ppm

≤1

10

Calcium(Ca, ppm

≤10

11

TagullaCu, ppm

≤1

1.1-3 Lithium Borate Ingancin Manuniya 

NO

KAYA

Ma'aunin Inganci

1

Bayyanar

Foda fari

2

Yawan sinadarin tushen oxalate (C2O4) da/%

≥3.5

3

Yawan sinadarin Boron (b) da/%

≥88.5

4

Ruwa, mg/kg

≤300

5

sodium(Na/(mg/kg)

≤20

6

Potassium(K/(mg/kg)

≤10

7

calcium(Ca/(mg/kg)

≤15

8

magnesium(Mg/(mg/kg)

≤10

9

ƙarfe (Fe/(mg/kg)

≤20

10

kiloraid( Cl /(mg/kg)

≤20

11

Sulfate ((SO4 )/(mg/kg)

≤20

1.1-4 Alamomin Ingancin Vinylsulfine

NO

KAYA

Ma'aunin Inganci

1

Bayyanar

Foda fari

2

Tsarkakakken kashi

99.5

4

Ruwamg/kg

≤70

5

Klorine kyauta/kg

≤10

6

Kyauta acidmg/kg

≤45

7

sodium(Na/(mg/kg)

≤10

8

Potassium(K/(mg/kg)

≤10

9

Calcium(Ca/(mg/kg)

≤10

10

NickelNi/(mg/kg)

≤10

11

ƙarfeFe/(mg/kg)

≤10

12

TagullaCu/(mg/kg)

≤10


Lokacin Saƙo: Agusta-26-2022