EXPERIMENTAL INVESTIGATION ON LITHIUM-ION BATTERY AGING UNDER UZBEKISTAN’S CLIMATE
Kalit so'zlar
https://doi.org/10.47390/ts-v4i3y2026N13Kalit so'zlar
elektr transport vositalari, litiy-ion akkumulyatori, eskirish mexanizmi, degradatsiya, ishlash samaradorligining pasayishi.Annotasiya
Litiy-ion akkumulyatorlari zamonaviy elektr transport vositalarining asosiy energiya manbai hisoblanadi, biroq ularning uzoq muddatli degradatsiyasi elektroximiyaviy energiya saqlash tizimlari sohasidagi muhim ilmiy muammolardan biri bo‘lib qolmoqda. Yoz faslidagi yuqori issiqlik yoki qish faslidagi keskin sovuq kabi ekstremal harorat sharoitlari elektroximiyaviy degradatsiya jarayonlarini kuchaytirishi, ishlash samaradorligining pasayishini tezlashtirishi hamda akkumulyatorlarning xizmat muddatini qisqartirishi mumkin. O‘zbekiston iqlimi yil davomida sezilarli harorat o‘zgarishlari bilan tavsiflanishini inobatga olgan holda, mazkur tadqiqot mamlakat iqlim sharoitlarining akkumulyatorlarning eskirish jarayoniga, transport vositalarining ishonchliligiga va uzoq muddatli ekspluatatsiya xarajatlariga ta’sirini o‘rganishga qaratilgan. Dastlab, sig‘imning kamayishi va ishlash ko‘rsatkichlarining yomonlashuvini chuqurroq tushunish maqsadida turli xil anod va katod materiallari asosidagi litiy-ion akkumulyatorlarining ichki eskirish mexanizmlari ko‘rib chiqiladi. Keyinchalik, akkumulyatorlarning xizmat muddatiga ta’sir etuvchi asosiy omillar, ayniqsa harorat ta’siri batafsil tahlil qilinadi hamda uzoq muddatli samaradorlikni oshirish yo‘llari aniqlanadi. Yakunda esa alohida element darajasi va tizim darajasidagi xatti-harakatlar o‘rtasidagi farqlarni hisobga olgan holda, to‘liq akkumulyator tizimlarining degradatsiya mexanizmlari tahlil qilinadi
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