Tare da karuwar tallace-tallace da mallakar sabbin motocin makamashi, haɗarin gobara na sabbin motocin makamashi kuma yana faruwa lokaci zuwa lokaci.Zane na tsarin kula da zafi matsala ce ta kwalabe da ke hana haɓaka sabbin motocin makamashi.Zayyana ingantaccen tsarin kula da yanayin zafi yana da matukar mahimmanci don inganta amincin sabbin motocin makamashi.
Samfuran yanayin zafi na batirin Li-ion shine tushen sarrafa zafin baturin Li-ion.Daga cikin su, yanayin canjin yanayin zafi da ƙirar ƙirar ƙirar yanayin zafi sune muhimman al'amura biyu na ƙirar yanayin baturi na lithium-ion.A cikin binciken da ake yi kan ƙirar yanayin canjin zafi na batura, ana ɗaukar batir lithium-ion suna da haɓakar yanayin zafi na anisotropic.Sabili da haka, yana da mahimmanci don nazarin tasirin wurare daban-daban na canja wurin zafi da wurare masu zafi a kan zafi mai zafi da zafin jiki na batir lithium-ion don ƙirar ingantaccen tsarin kula da yanayin zafi don baturan lithium-ion.
An yi amfani da tantanin halitta na 50 Ah lithium iron phosphate cell a matsayin abin bincike, kuma an bincika halayensa na canja wurin zafi daki-daki, kuma an gabatar da sabon ra'ayin ƙirar thermal management.Ana nuna siffar tantanin halitta a cikin Hoto 1, kuma ana nuna takamaiman sigogin girman girman a cikin Table 1. Tsarin baturi na Li-ion gabaɗaya ya haɗa da ingantacciyar lantarki, lantarki mara kyau, electrolyte, separator, gubar lantarki mai kyau, gubar lantarki mara kyau, tashar tsakiya, Insulating abu, aminci bawul, tabbatacce zazzabi coefficient (PTC)(PTC Coolant Heater/PTC Air Heater) thermistor da baturi.Ana yin sandwiched mai raba tsakanin ingantattun igiyoyi masu kyau da mara kyau, kuma ana samun tushen baturi ta hanyar iska ko ƙungiyar sandar an kafa ta ta lamination.Sauƙaƙe tsarin tantanin halitta da yawa a cikin kayan tantanin halitta tare da girman iri ɗaya, kuma kuyi daidai da jiyya akan ma'aunin thermophysical na tantanin halitta, kamar yadda aka nuna a cikin Hoto 2. Ana ɗaukar kayan tantanin baturi a matsayin naúrar cuboid tare da halayen halayen halayen thermal conductivity anisotropic. , kuma thermal conductivity (λz) daidai gwargwado ga jagorar tarawa an saita shi don zama ƙarami fiye da yanayin zafin zafi (λ x, λy) daidai da jagorar tarawa.
(1) Ƙarfin zafi na tsarin sarrafa zafin baturi na lithium-ion zai kasance da tasiri ta hanyar sigogi hudu: ma'auni na thermal conductivity perpendicular to the heat dissipation surface, hanyar da nisa tsakanin tsakiyar tushen zafi da kuma zafi dissipation surface, da girman yanayin zafi mai zafi na tsarin kula da zafin jiki, da bambancin zafin jiki tsakanin yanayin zafi da yanayin da ke kewaye.
(2) Lokacin da zaɓin yanayin zafi don ƙirar thermal management design na lithium-ion baturi, da gefen zafi canja wurin makirci na zaɓaɓɓen bincike abu ne mafi alhẽri daga kasa surface zafi canja wurin makirci, amma ga square batura na daban-daban masu girma dabam, shi wajibi ne. don ƙididdige ƙarfin zafin zafi na wurare daban-daban na zubar da zafi don Ƙaddamar da mafi kyawun wurin sanyaya.
(3) Ana amfani da ma'auni don ƙididdigewa da kimanta ƙarfin watsawar zafi, kuma ana amfani da simulation na ƙididdiga don tabbatar da cewa sakamakon ya kasance cikakke cikakke, yana nuna cewa hanyar lissafin yana da tasiri kuma za'a iya amfani dashi azaman tunani lokacin zayyana tsarin kula da thermal. na square cell.BTMS)
Lokacin aikawa: Afrilu-27-2023
