Ta yaya Waterma ke ƙara ƙarancin aikin batirin lithium iron phosphate ion?

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - Soláthraí Stáisiún Cumhachta Inaistrithe

Kwanaki kadan da suka gabata, a wajen taron karo na 7 na Sabuwar Makamashi na Motoci na Duniya (GNEV7), Mataimakin Janar Manaja na Watma Rao Minmin ya buga taken "Bincike kan Abubuwan da suka Shafi Shafi Lithium Ion Baturin Lithium Ion". An tsara abubuwan da ke ciki kamar haka: Na farko, an gabatar da Rao Minmin, An kafa Watma a 2002, hedikwata a Shenzhen. A halin yanzu akwai ma&39;aikata sama da 12,000, da rukunin farko na kamfanonin batir da ke shiga cikin kundin batir mai ƙarfi na lithium-ion a cikin ma&39;aikatar masana&39;antu da fasahar watsa labarai, gami da batir fiye da 50,000 Watma da ke aiki akan hanya.

A halin yanzu, yawancin batir lithium-ion masu amfani da wutar lantarki a fagen motocin fasinja masu amfani da wutar lantarki sune lithium iron phosphate. Rao Dingmin ya ce akwai fa&39;idodi da yawa na kwatankwacin fa&39;idar lithium baƙin ƙarfe phosphate: rayuwar sake zagayowar da haɓakawa sun fi kyau, amma ƙarancin zafin jiki zai ɗan ɗan tsayi fiye da sauran tsarin batir. Na biyu, abin hawa na lantarki na yanzu yana da babban bambanci a yanayin zafi daban-daban.

Motocin lantarki da za su iya tafiyar kilomita 160 a zafin daki na iya zuwa -20 digiri kawai suna tafiyar kilomita 60-80, kuma ingancin ya fi bayyane. Abu na biyu, matsalar rashin cajin zafi a cikin hunturu, gami da wahalar caji, abubuwan tsaro. Ga batirin lithium iron phosphate ion baturi, Watma ya yi cikakken bincike game da ƙananan halayen zafinsa: ɗaya shine tasirin ingantaccen electrode, phosphate positive electrode kanta rashin ƙarancin wutar lantarki ne, kuma polarization yana iya ƙaruwa, rage ƙarfin Play; na biyu mara kyau, mara kyau sanda wannan yana da mahimmanci ga ƙananan cajin zafin jiki, saboda zai shafi al&39;amurran tsaro; na uku shine yanki na electrolyte, na iya karuwa a ƙananan zafin jiki, ƙaurawar lithium ion impedance zai karu; Hudu shine mai ɗaure, wanda a halin yanzu ya fi shafar ƙarancin zafin batirin.

Dukkan ra&39;ayin Watma ya fito ne daga ingantacciyar wutar lantarki, wutar lantarki mara kyau, electro-hydraulic, da mannewa mai ƙarancin zafin jiki guda huɗu na batirin ion phosphate na lithium baƙin ƙarfe. Dangane da tabbatacce, yanzu ya zama nanomechanically, girman barbashi, juriya, da masu girki na AB planar axis zai shafi halayen ƙarancin zafin baturi duka. Lithium lithium iron phosphate an shirya shi ta matakai uku.

Daga dukkan yanayin shirye-shiryen mu, nau&39;in nau&39;in nau&39;in nau&39;in phosphate na lithium na nano-mai rufi, muna kallo daga axis na AB, ƙara yawan lithium tashar ƙaura na ion zai zama babba, wanda zai taimaka inganta aikin baturi. Daban-daban matakai da daban-daban effects a kan tabbatacce electrode, da kuma low zafin jiki fitarwa halaye na baturi sanya ta 100 zuwa 200 nano-barbashi diamita phosphate, wanda zai iya saki 94% a -20 digiri, wanda shi ne barbashi diamita na nanofence gajarta hanyar hijirarsa, Yana kuma inganta yi na low zazzabi da fitarwa, saboda lithium phosphate sallama yana da alaka da tabbatacce electrode. Idan akai la&39;akari da caji halaye daga korau electrode, Rao Dingyi yi imani da cewa low zafin jiki caji na lithium-ion batura yana da muhimmanci, ciki har da barbashi size da barbashi size da farar da korau lantarki, zaži uku daban-daban wucin gadi graphite a matsayin korau electrode don nazarin daban-daban Layer spacings da granules.

Tasirin hanyar zuwa halayen ƙananan zafin jiki. Daga abubuwa uku, graphite hatsi na Layer yana da girma, daga impedance, rashin lafiyar jiki da ƙaurawar ƙaura ion suna da ƙananan ƙananan. Dangane da caji, Rao Shanyi ya yi imanin cewa matsalar fitar da ruwa ba ta da girma a ƙarƙashin ƙananan zafin jiki a cikin hunturu, yana da mahimmanci don ƙarancin cajin zafi.

Domin a kwance kwarara rabo, 1C ko 0.5C giciye-flow rabo yana da matukar muhimmanci, to m matsa lamba ya zama mai tsayi sosai, ta hanyar inganta uku daban-daban graphite kwatancen, daya daga wanda shi ne in mun gwada da girma a -20 digiri caji akai kwarara rabo Inganta, daga 40% zuwa 70%, karuwa a Layer tazara, akwai kuma rage a barbashi size. Wannan yanki na electrolyte, a cikin -20 digiri, -30 digiri, electrolyte, ƙara danko, da kuma tabarbare aikin.

Electrolyte daga bangarori uku: ƙarfi, gishiri lithium, ƙari. Rao Dingmin ya ce, "Ta hanyar gwajin, mun gano cewa kaushi yana rinjayar ƙananan zafin batirin lithium iron phosphate ion daga 70%, akwai fiye da 90%, akwai fiye da maki fiye da dozin; na biyu, daban-daban salts lithium suna da wata siffa ta ƙananan cajin zafi da fitarwa. Tasiri

Mun gyara tsarin kaushi da gishiri na lithium, kuma ƙarancin zafin jiki na iya ƙara ƙarfin fitarwa daga 85% zuwa 90%, wato, a cikin dukkan tsarin ruwa na electrolytic, sauran ƙarfi, gishiri na lithium, da ƙari suna don batirin lithium ion mai ƙarfi. Akwai wani tasiri akan ƙananan halayen zafin jiki, ciki har da sauran tsarin kayan aiki. "Manne, Rao Dingyi ya ce akwai nau&39;i uku, maki biyu, mai layi.

Lokacin cajin -20 digiri da fitarwa, maki biyu suna yiwuwa sun yi fiye da 70 zuwa 80 cycles, duk sandar sandar ita ce matsayi na gazawar m, kuma yin amfani da maƙallan layi ba su wanzu wannan matsala ba. Bayan da dukan tsarin, daga kyautata na m lantarki, da korau electrode, da electrolyte zuwa dauri, muna da mafi tasiri a kan lithium baƙin ƙarfe phosphate ion baturi monomer, daya ne caji halaye, -20, -30, - 40 digiri a zazzabi na 0.5C cajin m halin yanzu rabo iya isa 62.

9%, - 20 digiri fitarwa za a iya saki 94%, wannan shi ne wasu halaye na girma da kuma sake zagayowar. Gabaɗaya, sabbin motocin makamashi suna aiki na yau da kullun a arewa, ba kawai baturi monomer zai iya magance matsalolin caji ba, akwai kuma ƙirar BMS ta hanyar Pack, da kuma ƙirar garanti. Ba da garantin sabbin motocin makamashi a arewacin ƙananan zafin jiki na yau da kullun.

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