Mabatire a lithiamu akhala gawo lofunikira pa moyo wathu watsiku ndi tsiku, kupatsa mphamvu chilichonse kuchokera ku mafoni a m'manja ndi laputopu kupita ku magalimoto amagetsi ndi makina osungira mphamvu zongowonjezwdwa.Komabe, ngakhale kusinthasintha kwawo komanso zabwino zambiri, mabatire a lithiamu amakumananso ndi zovuta.Chimodzi mwazinthu zazikulu kwambiri ndi mabatire a lithiamu ndi moyo wawo wocheperako komanso zoopsa zomwe zingachitike.
Nkhani za moyo wa batri ndizodetsa nkhawa kwambiri kwa ogula ambiri ndi mafakitale omwe amadalira mabatire a lithiamu.M'kupita kwa nthawi, mabatire a lithiamu amatsika ndikulephera kuyitanitsa, zomwe zimapangitsa kuchepa kwa magwiridwe antchito ndipo pamapeto pake kufunika kosintha.Moyo wocheperako wautumikiwu sumangowonjezera mtengo wa umwini, komanso umakulitsa zovuta za chilengedwe zomwe zimagwirizanitsidwa ndi kutaya kwa batri ndi kukonzanso.
Kuwonongeka kwa mabatire a lithiamu makamaka kumabwera chifukwa cha zinthu zingapo, kuphatikizapo mapangidwe olimba a electrolyte interface (SEI), kuwonongeka kwa zipangizo za electrode, ndi kukula kwa dendrite.Izi zimachitika panthawi yomwe batire imakulitsidwa ndikutulutsa, zomwe zimapangitsa kuti mphamvu yake komanso magwiridwe ake onse azichepa pang'onopang'ono.Zotsatira zake, nthawi yogwiritsira ntchito chipangizo kapena galimoto ya wogwiritsa ntchito ikhoza kuchepetsedwa, zomwe zimafunika kulipiritsa pafupipafupi kapena kusinthidwa.
Kuphatikiza pazovuta za moyo, nkhani zachitetezo zokhudzana ndi mabatire a lithiamu zakopa chidwi chambiri.Kuchulukitsitsa kwamphamvu kwa mabatire a lithiamu ndi chimodzi mwazabwino zawo zazikulu, koma kungayambitsenso chiwopsezo cha kuthawa kwamafuta ndi moto ngati batire yawonongeka, yachulukidwa kapena kutenthedwa kwambiri.Zochitika zamoto wa batri la lithiamu mumagetsi ogula, magalimoto amagetsi ndi makina osungira mphamvu zachititsa kuti anthu adziwe zoopsa zomwe zingatheke komanso kufunikira kwa njira zotetezera chitetezo.
Pofuna kuthana ndi mavutowa, ofufuza ndi opanga akugwira ntchito mwakhama popanga matekinoloje apamwamba a lithiamu batri kuti apititse patsogolo moyo wautumiki ndi chitetezo.Njira imodzi imaphatikizapo kugwiritsa ntchito zipangizo zatsopano za electrode ndi ma electrolyte omwe angachepetse njira yowonongeka ndikuwongolera ntchito yonse ndi moyo wa mabatire a lithiamu.Kuphatikiza apo, kupita patsogolo kwa kasamalidwe ka batire ndi ukadaulo wowongolera kutentha kukuchitika kuti achepetse chiwopsezo cha kuthawa kwamafuta ndikuwongolera chitetezo cha mabatire a lithiamu.
Chinanso chomwe chimayang'ana kwambiri ndikukula kwa mabatire a lithiamu-boma, omwe amagwiritsa ntchito ma electrolyte olimba m'malo mwa ma electrolyte amadzimadzi m'mabatire amtundu wa lithiamu-ion.Chifukwa cha kuchepa kwawo kuyaka komanso kukhazikika kwawo, mabatire olimba amatha kupereka mphamvu zochulukirapo, kuthamangitsa mwachangu komanso chitetezo chokwanira.Ngakhale mabatire olimba a lithiamu akadali mu kafukufuku ndi chitukuko, ali ndi lonjezo lothetsa malire a teknoloji yamakono ya batri ya lithiamu.
Kuphatikiza apo, kuyesetsa kupititsa patsogolo kukhazikika kwa mabatire a lithiamu, ndikuwongolera kukonzanso komanso kukhudzidwa kwachilengedwe kwa zida za batri.Pulojekiti yobwezeretsanso ikufuna kubwezeretsanso zitsulo zamtengo wapatali monga lithiamu, cobalt ndi faifi tambala ku mabatire ogwiritsidwa ntchito, kuchepetsa kudalira zinthu zopangira komanso kuchepetsa chilengedwe cha kupanga ndi kutaya mabatire.Kuphatikiza apo, kupita patsogolo kwa mapangidwe a batri ndi njira zopangira zikutsatiridwa kuti apange mabatire a lithiamu otetezeka komanso opulumutsa zinthu.
M'dera la magalimoto amagetsi, makampani opanga magalimoto akuyika ndalama pakupititsa patsogolo ukadaulo wa batri kuti awonjezere kuchuluka kwa magalimoto, kuchepetsa nthawi yolipiritsa komanso kukonza kulimba kwa mabatire a lithiamu-ion.Zoyesayesa izi ndizofunikira kuti zipititse patsogolo kukhazikitsidwa kwa magalimoto amagetsi ndikuthana ndi zovuta zokhudzana ndi nkhawa zosiyanasiyana komanso kuwonongeka kwa mabatire, pomaliza kupangitsa kuti magalimoto amagetsi azikhala osavuta komanso okhazikika.
Pamene kufunikira kwa mayankho osungira mphamvu kukukulirakulirabe, makamaka pokhudzana ndi kuphatikiza mphamvu zongowonjezwdwa ndi kukhazikika kwa gululi, kukulitsa mabatire a lithiamu odalirika komanso okhalitsa ndikofunikira.Makina osungira mphamvu a lithiamu batire amatenga gawo lofunikira pakulinganiza kupezeka ndi kufunikira, kusunga mphamvu zongowonjezereka, komanso kupereka mphamvu zosunga zobwezeretsera pa gridi yazimitsidwa.Polimbana ndi zovuta zokhudzana ndi moyo wa batri ndi chitetezo, mabatire a lithiamu amatha kupititsa patsogolo kusintha kwa magetsi oyeretsa, olimba kwambiri.
Mwachidule, pamene mabatire a lithiamu asintha momwe timapangira zida ndi magalimoto, moyo wawo wocheperako komanso nkhawa zachitetezo zimakhalabe zovuta.Kuthetsa nkhanizi kumafuna kupitilira kwatsopano ndi mgwirizano m'makampani onse kuti apange matekinoloje apamwamba a batri omwe amawongolera magwiridwe antchito, moyo wautali komanso chitetezo.Pothana ndi zovuta zazikulu ndi mabatire a lithiamu, titha kuzindikira kuthekera kwawo ngati njira yokhazikika, yodalirika yosungira mphamvu yamtsogolo.
Nthawi yotumiza: Apr-22-2024