Chiyambi：
Kuyambira pomwe idalowa mumsika,mabatire a lithiamuakhala akugwiritsidwa ntchito kwambiri chifukwa cha ubwino wawo monga kukhala ndi moyo wautali, mphamvu yayikulu, komanso kusakumbukira. Akagwiritsidwa ntchito kutentha kochepa, mabatire a lithiamu-ion amakhala ndi mavuto monga mphamvu yochepa, kuchepa kwambiri, kuthamanga kwa kayendedwe ka madzi, kutsika kwa madzi kwa lithiamu, komanso kuyika ndi kutulutsa lithiamu molakwika. Komabe, pamene malo ogwiritsira ntchito akupitilira kukula, zoletsa zomwe zimadza chifukwa cha kugwira ntchito bwino kwa mabatire a lithiamu-ion kutentha kochepa zikuonekera kwambiri. Tiyeni tifufuze zifukwa zake ndikufotokozera momwe tingachitire mabatire a lithiamu moyenera m'nyengo yozizira?
Kukambirana pa zinthu zomwe zimakhudza magwiridwe antchito otsika kutentha kwa mabatire a lithiamu
1. Mphamvu ya electrolyte
Electrolyte imakhudza kwambiri magwiridwe antchito otsika kutentha kwamabatire a lithiamuKapangidwe kake ndi kapangidwe kake ka electrolyte zimakhudza kwambiri magwiridwe antchito a batri kutentha kochepa. Vuto lomwe likukumana ndi kuzungulira kwa batri kutentha kochepa ndilakuti kukhuthala kwa electrolyte kudzawonjezeka, liwiro la conduction ya ma ion lidzachepa, zomwe zimapangitsa kuti liwiro la kusamuka kwa ma electron lisamagwirizane, kotero batri lidzakhala ndi polarized kwambiri ndipo mphamvu ya charge ndi discharge idzatsika kwambiri. Makamaka ikadzadza kutentha kochepa, ma lithiamu ion amatha kupanga ma lithium dendrites mosavuta pamwamba pa electrode yoyipa, zomwe zimapangitsa kuti batri ilephere kugwira ntchito.
2. Mphamvu ya zinthu zoyipa za ma electrode
- Kugawanika kwa mabatire kumakhala kwakukulu kwambiri pakagwa kutentha kochepa komanso kutulutsa mphamvu zambiri, ndipo kuchuluka kwa lithiamu yachitsulo kumayikidwa pamwamba pa electrode yoyipa. Zotsatira za lithiamu yachitsulo ndi electrolyte nthawi zambiri sizimayendetsa magetsi;
- Kuchokera pamalingaliro a thermodynamic, electrolyte ili ndi magulu ambiri a polar monga CO ndi CN, omwe amatha kuchitapo kanthu ndi zinthu zoyipa za electrode, ndipo filimu ya SEI yopangidwa imakhala yotetezeka kwambiri ku kutentha kochepa;
- N'zovuta kuti ma electrode opanda carbon aike lithiamu pamalo otentha kwambiri, ndipo pali kusiyana kwa kuyitanitsa ndi kutulutsa.
Kodi mungatani kuti mabatire a lithiamu azigwiritsidwa ntchito bwino m'nyengo yozizira?
1. Musagwiritse ntchito mabatire a lithiamu m'malo otentha kwambiri
Kutentha kumakhudza kwambiri mabatire a lithiamu. Kutentha kukakhala kotsika, ntchito ya mabatire a lithiamu imachepa, zomwe zimapangitsa kuti ntchito yochaja ndi kutulutsa mphamvu ichepe kwambiri. Kawirikawiri, kutentha kwa ntchito yamabatire a lithiamundi pakati pa madigiri -20 ndi madigiri 60.
Kutentha kukafika pansi pa 0℃, samalani kuti musadzachajire panja. Simungathe kutchajire ngakhale mutachajire. Tikhoza kutenga batire m'nyumba kuti idzachajire (dziwani, onetsetsani kuti simukufuna zinthu zoyaka moto!!!). Kutentha kukafika pansi pa -20℃, batireyo idzalowa yokha ngati siigwira ntchito bwino ndipo singagwiritsidwe ntchito mwachizolowezi. Chifukwa chake ogwiritsa ntchito kumpoto amakhala ozizira kwambiri.
Ngati palibe vuto la kuchajidwa mkati, gwiritsani ntchito bwino kutentha komwe kwatsala batire ikatuluka, ndipo ikani chaji padzuwa nthawi yomweyo mutayimitsa galimoto kuti muwonjezere kuchuluka kwa chaji ndikupewa mvula ya lithiamu.
2. Khalani ndi chizolowezi chochaja pamene mukugwiritsa ntchito
M'nyengo yozizira, pamene mphamvu ya batri imakhala yochepa kwambiri, tiyenera kuyichaja nthawi yake ndikukhala ndi chizolowezi chochaja mukamagwiritsa ntchito. Kumbukirani, musayerekezere mphamvu ya batri m'nyengo yozizira malinga ndi nthawi ya batri.
M'nyengo yozizira, ntchito yamabatire a lithiamuKuchepa kwa mphamvu, zomwe zingayambitse kutayikira kwa mphamvu mopitirira muyeso komanso kutayikira kwa mphamvu mopitirira muyeso, zomwe zingakhudze moyo wa batri kapena kuyambitsa ngozi zoyaka. Chifukwa chake, m'nyengo yozizira, muyenera kuyang'anitsitsa kwambiri kutayikira kwa mphamvu mopitirira muyeso komanso kutayikira kwa mphamvu mopitirira muyeso. Makamaka, musayimitse galimotoyo kwa nthawi yayitali mutayikira kuti mupewe kutayikira kwambiri.
3. Musakhale patali mukadzachaja. Kumbukirani kuti musadzachaje kwa nthawi yayitali.
Musamachaji galimoto kwa nthawi yayitali kuti zinthu ziyende bwino. Ingoichotsani ikadzachajidwa mokwanira. Malo ochajidwa nthawi yozizira sayenera kutsika kuposa 0℃. Mukachajidwa, musachoke patali kwambiri kuti mupewe zadzidzidzi ndipo muthane nazo nthawi yomweyo.
4. Gwiritsani ntchito chochaja chapadera cha mabatire a lithiamu mukachaja.
Msika uli wodzaza ndi ma charger otsika mtengo. Kugwiritsa ntchito ma charger otsika mtengo kungayambitse kuwonongeka kwa batri komanso kuyambitsa moto. Musagule zinthu zotsika mtengo komanso zopanda chitetezo chifukwa cha mtengo wotsika, osagwiritsanso ntchito ma charger a batri a lead-acid; ngati charger yanu singagwiritsidwe ntchito bwino, siyani kuigwiritsa ntchito nthawi yomweyo, ndipo musataye chithunzi chachikulu cha zazing'ono.
5. Samalani nthawi ya batri ndipo muyisinthe pakapita nthawi
Mabatire a Lithiumali ndi nthawi yokhalitsa. Mafotokozedwe ndi mitundu yosiyanasiyana imakhala ndi nthawi yokhalitsa yosiyana. Kuphatikiza apo, chifukwa cha kugwiritsidwa ntchito molakwika tsiku ndi tsiku, nthawi ya batri imayambira pa miyezi ingapo mpaka zaka zitatu. Ngati galimotoyo yataya mphamvu kapena nthawi ya batri ndi yochepa kwambiri, chonde funsani ogwira ntchito yokonza batri ya lithiamu nthawi yake kuti athetse vutoli.
6. Siyani mphamvu zina m'nyengo yozizira
Kuti galimotoyo igwiritsidwe ntchito bwino nthawi ya masika chaka chamawa, ngati batireyo sinagwiritsidwe ntchito kwa nthawi yayitali, kumbukirani kuichaja mpaka 50%-80%, kuichotsa mgalimoto kuti isungidwe, ndikuyichaja nthawi zonse, pafupifupi kamodzi pamwezi. Dziwani: Batireyo iyenera kusungidwa pamalo ouma.
7. Ikani batire moyenera
Musaviike batri m'madzi kapena kuinyowetsa; musaike batri m'magawo opitilira 7, kapena kutembenuza njira ya batri.
Mapeto
Pa -20℃, mphamvu yotulutsa mabatire a lithiamu-ion ndi pafupifupi 31.5% yokha ya mphamvuyo pa kutentha kwa chipinda. Kutentha kogwira ntchito kwa mabatire achikhalidwe a lithiamu-ion kuli pakati pa -20 ndi +55℃. Komabe, m'magawo a ndege, mafakitale ankhondo, magalimoto amagetsi, ndi zina zotero, mabatire amafunika kugwira ntchito bwino pa -40℃. Chifukwa chake, kukonza mphamvu zotsika kutentha kwa mabatire a lithiamu-ion ndikofunikira kwambiri. Zachidziwikire,batri ya lithiamuMakampani akupitilizabe kukula, ndipo asayansi akupitilizabe kuphunzira mabatire a lithiamu omwe angagwiritsidwe ntchito kutentha kochepa kuti athetse mavuto kwa makasitomala.
Heltec Energy ndi mnzanu wodalirika pakupanga mabatire. Popeza tikuyang'ana kwambiri kafukufuku ndi chitukuko, pamodzi ndi zida zathu zambiri za batire, timapereka mayankho amodzi kuti tikwaniritse zosowa zomwe zikusintha zamakampani. Kudzipereka kwathu ku ntchito yabwino kwambiri, mayankho okonzedwa bwino, komanso mgwirizano wamphamvu ndi makasitomala zimatipangitsa kukhala chisankho chabwino kwambiri kwa opanga mabatire ndi ogulitsa padziko lonse 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: Okutobala-09-2024