Ko te whiriwhiri i te pākahiko lithium tika mō ngā waka hiko (EV) me mārama ki ngā āhuatanga hangarau nui, kaua ki ngā kereme utu me te whānuitanga. E whakamārama ana tēnei aratohu i ngā whakaaro nui e rima hei whakapai ake i te mahi me te haumaru.
1. Manatokohia te Hototahitanga o te Ngaohiko
Tātaitia te ngaohiko o te pākahiko ki te pūnaha hiko o tō EV (ko te tikanga he 48V/60V/72V). Tirohia ngā tapanga kaiwhakahaere, ngā pukapuka rānei—mēnā kāore i te ōrite te ngaohiko, ka tūpono pea te kino o ngā wāhanga. Hei tauira, ka wera rawa pea te motuka i te pākahiko 60V i roto i te pūnaha 48V.
2. Tātarihia ngā Whakatakotoranga a te Kaiwhakahaere
Ko te kaiwhakahaere te kaiwhakahaere mō te tuku hiko. Kia mōhio ki tōna rohenga o nāianei (hei tauira, "30A mōrahi")—mā tēnei ka whakatau i te whakatauranga o nāianei iti rawa o te Pūnaha Whakahaere Pūhiko (BMS). Mā te whakapai ake i te ngaohiko (hei tauira, 48V→60V) ka taea te whakanui ake i te whakaterenga engari me hototahi ki te kaiwhakahaere.
3. Inehia ngā Rahi o te Wāhanga Pūhiko
Ko te wāhi ā-tinana e whakatau ana i ngā rohe kaha:
- Ritiumu toru (NMC): Te nui ake o te pūngao (~250Wh/kg) mō te whānuitanga roa
- LiFePO4: He roa ake te huringa (>2000 huringa) mō te utunga auauWhakaritea te NMC mō ngā wāhanga iti te wāhi; e tutuki ana te LiFePO4 i ngā hiahia pakari.
4. Aromatawai i te Kounga Pūtau me te Whakarōpūtanga
Ko ngā kereme "Tohu-A" e tika ana kia whakahēngia. Ko ngā waitohu pūtau rongonui (hei tauira, ngā momo paerewa ahumahi) he pai ake, engari ko ngā pūtautauritehe mea nui:
- Te rerekētanga o te ngaohiko ≤0.05V i waenga i ngā pūtau
- Mā te whakarewa pakari me te whakatō i te oneone ka ārai i te kino o te wiriTonoa ngā pūrongo whakamātautau puranga hei manatoko i te ōritetanga.
5. Whakatairangahia ngā Āhuatanga Smart BMS
Ka whakarei ake te haumaru o te BMS matatau mā te:
- Te aroturuki i te ngaohiko/pāmahana i te wā tūturu mā te Nihokikorangi
- Taurite hohe (iahiko ≥500mA) hei whakaroa i te roa o te oranga o te kete
- Te takiuru hapa mō te tātaritanga whai hua Kōwhiria ngā whakatauranga o nāianei BMS ≥ ngā rohenga pūmana mō te tiaki i te taumaha rawa.
Tohutohu Ngaio: Me whakamana tonu ngā tiwhikete (UN38.3, CE) me ngā tikanga o te pūtāhui i mua i te hoko.
Wā tuku: Hepetema-06-2025
