A halin yanzu, baturan lithium ion sun kara taka muhimmiyar rawa a rayuwar mutane, amma har yanzu akwai wasu matsaloli a fasahar batirin lithium. Babban dalili shi ne, electrolyte da ake amfani da shi a cikin batir lithium shine lithium hexafluorophosphate, wanda yake da matukar damuwa ga danshi kuma yana da yawan zafin jiki. Rashin kwanciyar hankali da ruɓaɓɓen samfuran suna lalata da kayan lantarki, yana haifar da rashin lafiyar batirin lithium. A lokaci guda kuma, LiPF6 yana da matsaloli kamar ƙarancin solubility da ƙarancin aiki a cikin ƙananan yanayin zafi, waɗanda ba za su iya saduwa da amfani da batir lithium masu ƙarfi ba. Sabili da haka, yana da matukar mahimmanci don haɓaka sabbin salts lithium electrolyte tare da kyakkyawan aiki.
Ya zuwa yanzu, cibiyoyin bincike sun haɓaka sabbin salts na lithium na electrolyte iri-iri, mafi yawan wakilai sune lithium tetrafluoroborate da lithium bis-oxalate borate. Daga cikin su, lithium bis-oxalate borate ba sauki bazuwa a high zafin jiki, m ga danshi, sauki kira tsari, babu Yana da abũbuwan amfãni daga gurbatawa, electrochemical kwanciyar hankali, m taga, da kuma ikon samar da mai kyau SEI fim a kan. surface na korau electrode, amma low solubility na electrolyte a mikakke carbonate kaushi kai ga low conductivity, musamman ta low zafin jiki yi. Bayan bincike, an gano cewa lithium tetrafluoroborate yana da babban solubility a cikin kaushi na carbonate saboda ƙananan ƙwayoyin ƙwayoyin cuta, wanda zai iya inganta ingantaccen yanayin zafi na batir lithium, amma ba zai iya samar da fim din SEI a saman wutar lantarki mara kyau ba. . Gishiri na lithium na electrolyte lithium difluorooxalate borate, bisa ga sifofin tsarin sa, lithium difluorooxalate borate ya haɗu da fa'idodin lithium tetrafluoroborate da lithium bis-oxalate borate a cikin tsari da aiki, ba kawai a cikin kaushi na carbonate na layi ba. A lokaci guda, yana iya rage danko na electrolyte kuma yana ƙara haɓaka aiki, ta haka yana ƙara haɓaka aikin ƙarancin zafin jiki da ƙimar ƙimar batirin lithium ion. Lithium difluorooxalate borate kuma na iya samar da wani Layer na kayan gini a saman madaidaicin lantarki kamar lithium bisoxalate borate. Kyakkyawan fim ɗin SEI ya fi girma.
Vinyl sulfate, wani ƙari na gishirin da ba na lithium ba, kuma ƙari ne na fim ɗin SEI, wanda zai iya hana raguwar ƙarfin farko na baturi, ƙara ƙarfin fitarwa na farko, rage faɗaɗa baturin bayan an sanya shi a babban zafin jiki. , da haɓaka aikin cajin baturi, wato, adadin zagayowar. . Ta haka ƙara ƙarfin ƙarfin baturi da tsawaita rayuwar batir. Sabili da haka, haɓakar haɓakar abubuwan da ake amfani da su na lantarki suna ƙara samun kulawa, kuma buƙatar kasuwa tana ƙaruwa.
Bisa ga "Kasuwar Jagorar Daidaita Tsarin Masana'antu (2019 Edition)", abubuwan da ake amfani da su na electrolyte na wannan aikin sun dace da kashi na farko na rukunin ƙarfafawa, Mataki na 5 (sabon makamashi), aya ta 16 "haɓaka da aikace-aikacen sabon makamashi ta hannu. fasaha", Mataki na ashirin da 11 (Masana'antar sinadarai na Petrochemical) aya ta 12 "gyara, mannen ruwa na tushen ruwa da sabbin mannen narke mai zafi, abubuwan shayar da ruwa masu dacewa da muhalli, abubuwan kula da ruwa, simintin kwayoyin halitta m mercury, mercury-free da sauran sabbin ingantattun abubuwan da suka dace da muhalli. da Additives, nanomaterials, Haɓakawa da kuma samar da aikin membrane kayan, matsananci-tsabta da high-tsarki reagents, photoresists, lantarki gas, high-yi ruwa crystal kayan da sauran sabon lafiya sunadarai; Bisa ga bita da kuma nazarin takardun manufofin masana'antu na kasa da na gida kamar "Sanarwa a kan Ka'idodin Jeri mara kyau don Ci gaban Tattalin Arziki (don Aiwatar da Gwaji)" (Takardar Ofishin Changjiang No. 89), an ƙaddara cewa wannan aikin ba shine ba. aikin ci gaba da aka iyakance ko haramta.
Makamashin da ake amfani da shi lokacin da aikin ya kai karfin samarwa ya hada da wutar lantarki, tururi da ruwa. A halin yanzu, aikin yana ɗaukar ingantattun fasahar samar da kayan aikin masana'antu, kuma yana ɗaukar matakai daban-daban na ceton makamashi. Bayan da aka yi amfani da su, dukkanin alamomin amfani da makamashi sun kai matsayin ci gaba a masana'antu iri daya a kasar Sin, kuma sun yi daidai da ka'idojin tsarin samar da makamashi na kasa da na masana'antu, da matakan sa ido kan adana makamashi da kayan aiki. Matsayin aikin tattalin arziki; muddin aikin ya aiwatar da alamomin ingancin makamashi daban-daban, alamun amfani da makamashin samfur da matakan ceton makamashi da aka gabatar a cikin wannan rahoto yayin gini da samarwa, aikin yana yiwuwa ta fuskar amfani da makamashi mai ma'ana. Dangane da haka, an ƙaddara cewa aikin bai ƙunshi amfani da albarkatu akan layi ba.
Ma'aunin ƙira na aikin shine: lithium difluorooxalate borate 200t / a, wanda 200t / lithium tetrafluoroborate ana amfani dashi azaman albarkatun ƙasa don samfuran lithium difluorooxalate borate samfuran, ba tare da aikin sarrafawa ba, amma kuma ana iya samar da shi azaman samfurin gama. daban bisa ga bukatar kasuwa. Vinyl sulfate shine 1000t/a. Duba Table 1.1-1

Tebur 1.1-1 Jerin mafita na samfur