Chiyambi:
Mabatire a Lithiumakhala gawo lofunika kwambiri pa moyo wathu watsiku ndi tsiku, akuyendetsa chilichonse kuyambira mafoni a m'manja ndi ma laputopu mpaka magalimoto amagetsi ndi makina osungira mphamvu zongowonjezwdwanso. Mbiri ya mabatire a lithiamu ndi ulendo wosangalatsa womwe watenga zaka zambiri, wodziwika ndi kupita patsogolo kwakukulu muukadaulo ndi zatsopano. Kuyambira pachiyambi chotsika mpaka pomwe ali patsogolo pa njira zosungira mphamvu, mabatire a lithiamu asintha momwe timagwiritsira ntchito ndikusungira magetsi.
Kupanga mabatire a lithiamu
Nkhani yamabatire a lithiamuInayamba m'zaka za m'ma 1970, pamene ofufuza anayamba kufufuza mphamvu ya lithiamu ngati chinthu chofunikira kwambiri m'mabatire otha kubwezeretsedwanso. Panthawiyi asayansi adapeza zinthu zapadera za lithiamu, kuphatikizapo mphamvu zake zambiri komanso kupepuka kwake, zomwe zinapangitsa kuti ikhale yoyenera kugwiritsa ntchito zipangizo zamagetsi zonyamulika. Kupezeka kumeneku kunakhazikitsa maziko a chitukuko cha mabatire a lithiamu-ion, omwe apitilizabe kulamulira msika wamagetsi kwa zaka zikubwerazi.
Mu 1979, katswiri wa zamankhwala ku Oxford University, John Goodenough, ndi gulu lake, adapanga batire yoyamba yotha kubwezeretsedwanso ya lithiamu-ion. Ntchito yoyambirira iyi idakhazikitsa maziko a malonda a mabatire a lithiamu-ion, omwe akutchuka mwachangu chifukwa cha magwiridwe antchito awo apamwamba komanso moyo wautali poyerekeza ndi mabatire achikhalidwe a lead-acid ndi nickel-cadmium.
M'zaka za m'ma 1980 ndi 1990, kafukufuku wochuluka ndi chitukuko chinayang'ana kwambiri pakukweza magwiridwe antchito ndi chitetezo cha mabatire a lithiamu. Chimodzi mwazovuta zazikulu ndikupeza electrolyte yokhazikika yomwe imatha kupirira kuchuluka kwa mphamvu ya lithiamu popanda kuwononga chitetezo. Izi zapangitsa kuti pakhale njira zosiyanasiyana zopangira ma electrolyte ndi machitidwe oyang'anira mabatire omwe amalimbikitsa kwambiri kudalirika ndi chitetezo cha mabatire a lithiamu-ion.
Kupambana kwa mabatire a lithiamu
M'zaka za m'ma 1980 ndi 1990, kafukufuku wochuluka ndi chitukuko chinayang'ana kwambiri pakukweza magwiridwe antchito ndi chitetezo cha mabatire a lithiamu. Chimodzi mwazovuta zazikulu ndikupeza electrolyte yokhazikika yomwe imatha kupirira kuchuluka kwa mphamvu ya lithiamu popanda kuwononga chitetezo. Izi zapangitsa kuti pakhale njira zosiyanasiyana zopangira ma electrolyte ndi machitidwe oyang'anira mabatire omwe amalimbikitsa kwambiri kudalirika ndi chitetezo cha mabatire a lithiamu-ion.
Kumayambiriro kwa zaka za m'ma 2000 kunasintha kwambiri mabatire a lithiamu, ndi kupita patsogolo kwa nanotechnology ndi sayansi ya zinthu zomwe zinapangitsa kuti pakhale mabakiteriya a lithiamu iron phosphate (LiFePO4) ndi lithiamu polymer. Mabakiteriya atsopanowa amapereka mphamvu zambiri, mphamvu zochajira mwachangu komanso chitetezo chowonjezereka, zomwe zikukulitsa kugwiritsa ntchito mabatire a lithiamu m'magawo a magalimoto, ndege ndi mphamvu zongowonjezwdwanso.
Tsogolo la mabatire a lithiamu
Kugwiritsidwa ntchito kwa magalimoto amagetsi (ma EV) komanso kufunikira kwakukulu kwa njira zosungira mphamvu kwapangitsa kuti pakhale magwiridwe antchito apamwamba.mabatire a lithiamuM'zaka zaposachedwapa, kupita patsogolo kwakukulu muukadaulo wa mabatire monga ma electrolyte olimba ndi ma silicon anode kwawonjezera kuchuluka kwa mphamvu ndi moyo wa mabatire a lithiamu, zomwe zimapangitsa kuti akhale njira yabwino yosungira mphamvu zambiri komanso kukhazikika kwa gridi.
Mbiri ya mabatire a lithiamu ikuwonetsa kufunafuna kosalekeza kwa zatsopano komanso mphamvu yosintha ya ukadaulo. Masiku ano, mabatire a lithiamu ndi maziko a kusintha kwa mphamvu zoyera, zomwe zimathandiza kuti magalimoto amagetsi agwiritsidwe ntchito kwambiri komanso kuphatikiza mphamvu zongowonjezwdwanso. Pamene dziko lapansi likufuna kuchepetsa kudalira kwake mafuta ndi kulimbana ndi kusintha kwa nyengo, mabatire a lithiamu adzakhala ndi gawo lofunika kwambiri popanga tsogolo lokhazikika komanso lopanda mpweya wambiri.
Mapeto
Mwachidule, mbiri ya chitukuko chamabatire a lithiamuNdi ulendo wodabwitsa wopeza zinthu zasayansi, luso la ukadaulo, komanso kusintha kwa mafakitale. Kuyambira masiku awo oyamba monga zinthu zodabwitsa za m'ma laboratories mpaka pomwe ali ndi njira zosungira mphamvu zomwe zimapezeka paliponse, mabatire a lithiamu apita patsogolo kwambiri pakupatsa mphamvu dziko lamakono. Pamene tikupitiliza kutsegula mphamvu zonse za mabatire a lithiamu, tidzayambitsa nthawi yatsopano yosungira mphamvu zoyera, zodalirika komanso zokhazikika zomwe zidzasintha tsogolo la dziko lathu lapansi.
Ngati muli ndi mafunso kapena mukufuna kudziwa zambiri, chonde musazengereze kutifunsatitumizireni uthenga.
Pempho la Mtengo:
Jacqueline:jacqueline@heltec-energy.com/ +86 185 8375 6538
Sucre:sucre@heltec-bms.com/ +86 136 8844 2313
Nancy:nancy@heltec-energy.com/ +86 184 8223 7713
Nthawi yotumizira: Ogasiti-19-2024