"Battery ya Lifimu" ndi mtundu wa batri womwe umapangidwa ndi chitsulo cha lithiachi kapena chizungulire ngati zinthu zosasangalatsa za electrode ndikugwiritsa ntchito njira yothetsera ma elecrous elecrolyte. Mabatire achitsulo a Lithiamu adafunsidwa koyamba ndikuphunzitsidwa ndi Gilbertn.lewis mu 1912. M'zaka za m'ma 1970, MsWhitingham adaganiza ndikuyamba kuphunzira mabatire a lithiamu. Chifukwa cha zinthu zomwe zimagwira ntchito pazitsulo za lithiachi, kukonza, kusungidwa ndi kugwiritsa ntchito chitsulo cha lithiamu kumafuna zofunikira kwambiri zachilengedwe. Chifukwa chake, batire la litalimu silinagwiritsidwe ntchito kwa nthawi yayitali. Ndi chitukuko cha sayansi ndi ukadaulo, batiri la lithiamu lakhala lalikulu.
Mabatire a Lithiamu amatha kugawidwa m'magulu awiri: mabatire achitsulo a Lithiamu ndi mabatire a lithiamu ion. Mabatire a lithiamu-ion alibe chitsulo litaliyamu ndipo alinso oyeneranso. Batri yachitsulo, mbadwo wachisanu wa batri wobwezeretsanso, adabadwa mu 1996. Chitetezo chake, chodzitchinjiriza, zodzitchinjiriza komanso kuchuluka kwa batri ya Withowamu-ion. Chifukwa cha zofuna zawo zapamwamba, makampani ochepa okha omwe ali m'maiko ochepa tsopano akupanga batire ya zitsulo.
Moyo wa Batri
Mabatire a Lithiamu ion amangolipiritsa ndikuwombera 500?
Ine ndikukhulupirira ambiri mwa ogula amvapo kuti moyo wa mabatire a Lifium ndi "nthawi 500", nthawi 500 zotuluka, ochulukirapo, batire 'idzafa "imwalira". Pofuna kupitiriza moyo wa batire, abwenzi ambiri nthawi iliyonse pamene betri ikatopa kwambiri. Kodi izi zimawonjezeradi moyo wa batri? Yankho ndi ayi. Moyo wa batri wa lithiamu ndi "maulendo 500", omwe amatanthauza kuchuluka kwa milandu, koma kulowererapo.
Kuzungulira kwa ndalama kumatanthauza kuti kuwongolera batire lonse kuchokera pansi mpaka kulibe kanthu kuti mufirire sichofanana ndi kulipira kamodzi. Mwachitsanzo, chidutswa cha magetsi a Lifiamp chimagwiritsa ntchito theka lamagetsi tsiku loyamba, kenako ndikudzaza ndi magetsi. Ngati ndi choncho tsiku lotsatira, lidzalipidwa pakati ndikulipiritsa kawiri konse, lomwe limangowerengedwa ngati kuzungulira kamodzi, osati ziwiri. Zotsatira zake, nthawi zambiri zimatha kutenga ndalama zingapo kuti mumalize kuzungulira. Pakuzungulira kulikonse, kuchuluka kwa betri kumachepetsedwa pang'ono. Komabe, kuchepa kwa mphamvuyi ndi yaying'ono kwambiri, mabatire apamwamba kwambiri pambuyo pa ming'alu yambiri, idzasungidwabe 80% ya mphamvu yoyambirira, zinthu zambiri zoyendetsedwa ndi zikondwerero zitha kugwiritsidwa ntchito ngati zaka ziwiri kapena zitatu. Zachidziwikire, moyo wa lithiamu umafunikabe kusinthidwa pambuyo pa moyo.
Ndipo otchedwa ma 500 nthawi zina, amatanthauza wopanga posintha (monga 80%) kuti akwaniritse nthawi za ma 625, mpaka 500.
(80% ≤ 625 ≤ 500) (kunyalanyaza zinthu monga kuchepa mphamvu ya mabatire a lithiamu)
Komabe, chifukwa cha zotsatira zosiyanasiyana za moyo weniweni, makamaka zotumweraku sizikhala zokhazikika, motero, 500 yolipirira "itha kugwiritsidwa ntchito ngati banja lowerengera.
Ndizolondola kunena kuti moyo wa lifimu umakhudzana ndi kuchuluka kwa nthawi yomwe mumangokhalira, koma osati zokhudzana mwachindunji ndi kuchuluka kwa milandu.
Ingodziwa, mwachitsanzo, kuti chidutswa cha magetsi a Liamu chimagwiritsa ntchito theka lamagetsi tsiku loyamba, kenako ndikudzaza ndi magetsi. Ngati ndi choncho tsiku lotsatira, lidzalipidwa pakati ndikulipiritsa kawiri konse, lomwe limangowerengedwa ngati kuzungulira kamodzi, osati ziwiri. Zotsatira zake, nthawi zambiri zimatha kutenga ndalama zingapo kuti mumalize kuzungulira. Pakuzungulira kulikonse, kuchuluka kwa magetsi kumachepetsedwa pang'ono. Komabe, kuchepetsa ndikochepa. Mabatire apamwamba kwambiri adzasungabe 80% yamagetsi awo oyambirirawo atadutsa mozungulira. Ichi ndichifukwa chake zinthu zambiri zopangidwa ndi ziwiya zitha kugwiritsidwa ntchito ngati nthawi zonse patatha zaka ziwiri kapena zitatu. Zachidziwikire, moyo wa lithiamu umayenera kusinthidwa kumapeto kwa tsiku.
Moyo wamoyo wa Lifiamp Magetsi nthawi zambiri pamakhala misozi ya 300 ng. Kungoganiza kuti kuchuluka kwa magetsi omwe amaperekedwa ndi q, ngati kuchepetsedwa kwa magetsi, magetsi a Liamu akhoza kupereka kapena kuwonjezera mphamvu 300Q-500Q. Kuchokera pamenepa, tikudziwa kuti ngati mugwiritsa ntchito 1/2 pa nthawi yake, mutha kulipira nthawi 600-1000; Ngati mungagwiritse ntchito 1/3 pa nthawi yake, mutha kulipira 900 nthawi. Ndipo zotero, ngati mukuyang'anira mwachisawawa, kuchuluka kwa nthawi sikukudziwika. Mwachidule, ngakhale atalipira zochuluka motani, kuchuluka kwa magetsi owonjezeredwa kwa 300Q ~ 500Q kumakhala kosalekeza. Chifukwa chake, titha kumvetsetsa kuti moyo wa batiri wa lithiamu umakhudzana ndi ngongole yonse ya batri, koma osati kuchuluka kwa milandu. Palibe kusiyana kwakukulu pakati pa zotulutsa zakuya ndi zotulutsa zoponyera pamoyo wa lithiamu.
M'malo mwake, kulipira kosatha ndikopindulitsa kwambiri pamagetsi a Lifiamu, pokhapokha ngati mphamvu ya mphamvu ili pa nthawi ya magetsi a Lifiamu, pakufunika kuwongolera kwambiri. Chifukwa chake, kugwiritsa ntchito magetsi a Lithiamu mphamvu sikuyenera kutsatira njirayi, chilichonse chothandizira poyamba, osadandaula ndi zomwe zimagwiritsidwa ntchito panthaka .Itiyi , oposa 35 ° C, betri ipitiliza kuchepetsa mphamvu yake, ndiye kuti, batire siliperekedwa kwa nthawi yayitali. Ngati chipangizocho chanenedwa kutentha, kuwonongeka kwa betri kukukulirapo. Ngakhale batire ikasungidwa pamalo otentha, zimalepheretsa kuwonongeka kofanana ndi batri. Chifukwa chake, ndi njira yabwino yopititsira moyo wa Lifiyamu momwe mungathere kuti isungidwe kutentha kopindulitsa.
Ngati magetsi a Lithiamp amagwiritsidwa ntchito potentha, ndiye kuti, pansipa 4 ° C, zipezekanso kuti moyo wa batri umachepetsedwa, komanso magetsi a Lifiamp a mafoni ena sangathe kuwumbidwa. Koma musadandaule kwambiri, uku ndi kwakanthawi, mosiyana ndi kugwiritsa ntchito malo otentha kwambiri, kutentha kukayamba kutentha, mamolekyulu mu batire amatenthedwa, nthawi yomweyo kubwerera m'magetsi akale.
Kuti muwonjezere mphamvu ya mabatire a lithiamu, imayenera kugwiritsidwa ntchito pafupipafupi kuti isunge ma elekitironi mu mabatire oyendayenda nthawi zonse. Ngati magetsi a Lithiamp sagwiritsidwa ntchito kawirikawiri, chonde kumbukirani kumaliza kuzungulira kwa magetsi a Lifiamp mwezi uliwonse, ndipo nthawi yamagetsi imadziwika kamodzi, ndiye kuti, kamodzi, kamodzi.
Kutanthauzira kwa zopereka za dziko:
a. Tanthauzo ili limafotokoza kuti kuyesa kwa moyo wozungulira kumachitika mozama komanso mozama.
b. Malinga ndi mtundu uwu, moyo wozungulira wa batiri wa lithiamu umapitilira 60% pambuyo ≥ 300.
Komabe, chiwerengero chazomwe zimapezeka ndi machitidwe osiyanasiyana ozungulira ndizosiyana kwambiri, mwachitsanzo, zinthu zomwe zapamwambazi zapamwambazi sizimasintha magetsi osinthasintha, magetsi am'madzi osinthasintha Mtundu wa batri, kuti batire sililinso njira yolumikizira, ndipo kuchuluka kwa moyo wozungulira ungakulitsidwe pafupifupi 60%. Ndiye ngati magetsi oletsedwa amawonjezeka mpaka 3.9V pakuyesa, kuchuluka kwazozungulira kuyenera kukulira kangapo.
Mawuwa a milandu ya cyclic ndi ocheperako m'moyo umodzi, tiyenera kudziwa kuti tanthauzo la batiri la lithiamu Ndipo sizofanana ndi kulipira kamodzi. Kuphatikiza apo, mukamalankhula za kuchuluka kwazomwe zimachitika, simunganyalanyaze mikhalidwe yazungulira. Palibe nzeru kupatula malamulo oti alankhule za kuchuluka kwa ziweto, chifukwa kuchuluka kwazozungulira ndi njira yoyesera moyo wa batri, osati kumapeto!