Na 2025, ihe karịrị 68% nke ihe mberede batrị eletrik nwere wiil abụọ a chọpụtara na ha bụ mmebi na Sistemụ Njikwa Batrị (BMS), dịka data International Electrotechnical Commission si kwuo. Usoro sekit a dị mkpa na-enyocha mkpụrụ ndụ lithium ugboro 200 kwa sekọnd, na-arụ ọrụ atọ na-echekwa ndụ:
1Nchekwa voltaji
• Nkwụsị Ike Oke Ọkụ: Na-ebelata ike na >4.25V/sel (dịka ọmụmaatụ, 54.6V maka ngwugwu 48V) na-egbochi ire ere electrolyte
• Nnapụta Ike Na-adịghị Ike: Na-amanye ọnọdụ ụra na <2.8V/cell (dịka ọmụmaatụ, <33.6V maka sistemụ 48V) na-egbochi mmebi a na-apụghị ịgbanwe agbanwe
2. Njikwa Ike Na-agbanwe agbanwe
| Ihe Nlereanya Ihe Ize Ndụ | Oge Nzaghachi BMS | Egbochila Nsonaazụ |
|---|---|---|
| Ibu ibu n'elu ugwu | Oke ugbu a ruo 15A na 50ms | Ike ọgwụgwụ nke njikwa |
| Ihe omume sekit dị mkpirikpi | Nkwụsị sekit na 0.02s | Mwepụ okpomọkụ nke sel |
3. Nlekọta Okpomọkụ Nwere Ọgụgụ Isi
- 65°C: Mbelata ike na-egbochi mmiri ọkụ electrolyte
- <-20°C: Na-ekpo ọkụ mkpụrụ ndụ tupu ịchaji iji zere itinye lithium
Ụkpụrụ Nyocha Ugboro Atọ
① Ọnụọgụ MOSFET: ≥6 ndị yiri ya na aka MOSFET nwere 30A+ mwepụta
② Nhazi Ọsọ: > 80mA na-ebelata ọdịiche dị n'etiti ikike sel
③ BMS na-eguzogide mmiri ịbanye
Ihe Ndị Dị Mkpa
① Etinyela bọọdụ BMS ndị a na-ekpuchi ekpuchi chaja (ihe egwu ọkụ na-abawanye 400%)
② Zere ịgafe ihe mgbochi ugbu a ("mod waya ọla kọpa" na-emebi nchebe niile)
"Ngbanwe voltaji gafere 0.2V n'etiti sel na-egosi ọdịda BMS dị nso," ka Dr. Emma Richardson, onye nyocha nchekwa EV na UL Solutions dọrọ aka ná ntị. Nlele voltaji kwa ọnwa site na iji multimeters nwere ike ịgbatị ndụ ngwugwu site na ugboro atọ.
Oge ozi: Ọgọst-16-2025
