Principles of fast charging technology for EV
China [CN] Power battery systems generally consist of battery cells, BMS (power management system) and structural parts (boxes, connectors, connectors, etc.).
Actual fast charging power The actual fast charging power of the battery pack is determined by the BMS based on the state of the battery cell (temperature, state of charge). Generally, when designing a battery system, a detailed fast-charging power meter will be formulated. The BMS selects an appropriate charging current based on the monitored battery pack temperature, state of charge and other information, and interacts with the charging pile to control its current. Output size.
Among them, because the battery core has a characteristic, its lifespan is different when charging at different rates;
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