Kuti mabatire a lithiamu-ion akhale ndi moyo wautali komanso magwiridwe antchito, njira zoyenera zolipirira ndizofunikira kwambiri. Kafukufuku waposachedwa ndi malingaliro amakampani akuwonetsa njira zosiyanasiyana zolipirira mitundu iwiri ya mabatire omwe amagwiritsidwa ntchito kwambiri: mabatire a Nickel-Cobalt-Manganese (NCM kapena ternary lithium) ndi mabatire a Lithium Iron Phosphate (LFP). Izi ndi zomwe ogwiritsa ntchito ayenera kudziwa:
Malangizo Ofunika
- Mabatire a NCMLipiritsani ku90% kapena pansikugwiritsa ntchito tsiku ndi tsiku. Pewani kulipira ndalama zonse (100%) pokhapokha ngati pakufunika kuyenda maulendo ataliatali.
- Mabatire a LFP: Pamene mukuchaja tsiku lililonse90% kapena pansindi yabwino kwambiri,sabata yonse
- ndalama(100%) ikufunika kuti isinthenso kuyerekezera kwa State of Charge (SOC).
N’chifukwa Chiyani Muyenera Kupewa Kuchaja Zonse Pa Mabatire a NCM?
1. Kupsinjika kwa Voltage Yaikulu Kumafulumizitsa Kuwonongeka
Mabatire a NCM amagwira ntchito pamlingo wapamwamba wamagetsi poyerekeza ndi mabatire a LFP. Kuchaja mabatirewa mokwanira kumawapatsa mphamvu yokwera yamagetsi, zomwe zimapangitsa kuti zinthu zogwira ntchito mu cathode zigwiritsidwe ntchito mwachangu. Njira yosasinthika iyi imabweretsa kutayika kwa mphamvu ndikufupikitsa nthawi yonse ya batri.
2. Zoopsa za Kusalingana kwa Maselo
Mabatire okhala ndi ma cell ambiri omwe ali ndi kusagwirizana kwachilengedwe chifukwa cha kusiyanasiyana kwa ma engine ndi kusiyana kwa ma elekitiroma. Akamachaja mpaka 100%, ma cell ena amatha kudzaza kwambiri, zomwe zimapangitsa kuti pakhale kupsinjika ndi kuwonongeka kwa malo. Ngakhale kuti Battery Management Systems (BMS) imagwira ntchito bwino poyendetsa ma voltage a ma cell, ngakhale ma system apamwamba ochokera ku ma brand otsogola monga Tesla ndi BYD sangachotse chiopsezochi kwathunthu.
3. Mavuto a Kuwerengera kwa SOC
Mabatire a NCM ali ndi ma voltage curve okwera kwambiri, zomwe zimathandiza kuwerengera molondola kwa SOC kudzera mu njira ya open-circuit voltage (OCV). Mosiyana ndi zimenezi, mabatire a LFP amakhala ndi ma voltage curve osalala pakati pa 15% ndi 95% SOC, zomwe zimapangitsa kuti ma SOC opezeka pa OCV akhale osadalirika. Popanda ma charger athunthu nthawi ndi nthawi, mabatire a LFP amavutika kubwezeretsanso ma SOC awo. Izi zitha kukakamiza BMS kuti igwiritse ntchito njira zodzitetezera pafupipafupi, kuwononga magwiridwe antchito komanso thanzi la batri kwa nthawi yayitali.
Chifukwa Chake Mabatire a LFP Amafunika Kulipira Zonse Sabata Iliyonse
Kulipiritsa 100% kwa mabatire a LFP sabata iliyonse kumagwira ntchito ngati "kubwezeretsanso" kwa BMS. Njirayi imalinganiza ma voltage a ma cell ndikukonza zolakwika za SOC zomwe zimachitika chifukwa cha mbiri yawo yokhazikika ya voltage. Deta yolondola ya SOC ndiyofunikira kuti BMS igwire bwino ntchito zoteteza, monga kupewa kutulutsa mphamvu mopitirira muyeso kapena kukonza bwino nthawi yochaja. Kudumpha kuwerengera kumeneku kungayambitse kukalamba msanga kapena kuchepa kwa magwiridwe antchito mosayembekezereka.
Njira Zabwino Kwambiri Zogwiritsira Ntchito
- Eni ake a Mabatire a NCM: Konzani ndalama zochepa (≤90%) ndikusunga ndalama zonse pazosowa zina.
- Eni Mabatire a LFP: Sungani chaji tsiku lililonse pansi pa 90% koma onetsetsani kuti chaji yonse ikuchitika sabata iliyonse.
- Ogwiritsa Ntchito OnsePewani kutulutsa madzi ambiri pafupipafupi komanso kutentha kwambiri kuti batire lizitha kugwira ntchito nthawi yayitali.
Mwa kugwiritsa ntchito njira zimenezi, ogwiritsa ntchito amatha kulimbitsa kwambiri kulimba kwa batri, kuchepetsa kuwonongeka kwa nthawi yayitali, ndikuwonetsetsa kuti magalimoto amagetsi kapena makina osungira mphamvu amagwira ntchito bwino.
Khalani odziwa zambiri za zosintha zaposachedwa paukadaulo wa batri ndi njira zosungira zinthu mwa kulembetsa ku nkhani yathu.
Nthawi yotumizira: Mar-13-2025
