A baixa temperatura afetará a vida útil da bateria de lítio? Quais são os requisitos da bateria de lítio para o sistema de gerenciamento de bateria?

Low temperature will affect the life of bateria de lítio. Os materiais dos eletrodos das baterias de íons de lítio reduziram a atividade em baixas temperaturas, maior resistência, taxas de reação eletroquímica reduzidas, capacidade reduzida da bateria, e redução da eficiência de carga e descarga, afetando assim a vida útil das baterias de lítio.

Para o sistema de gerenciamento de bateria, baterias de lítio têm os seguintes requisitos:

Controle de pressão da bateria: Once the battery voltage exceeds its rated voltage range, it will cause problems such as battery overcharge, heat generation, failure or safety accidents.

Current control: The charging current and discharging current of the battery need to be strictly controlled within a safe range to ensure the normal use and maximum life of the battery.

Battery temperature control: The battery will have different performance and life performance at different temperatures. Portanto, it is necessary to manage the temperature of the battery and keep it within a suitable operating temperature range.

Battery status monitoring: The battery management system needs to be able to monitor the status and information of the battery in real time, so as to detect and solve problems in time and provide support for relevant decisions.

Battery safety control: The battery management system needs to adopt protective measures and safety controls to prevent the occurrence of battery overcharge, descarga excessiva, curto circuito, overtemperature, etc., so as to ensure the personal safety of users.

Resumidamente, the battery management system plays an important role in guaranteeing the long-term stability and safety of lithium batteries, and battery management strategies and technologies should be formulated reasonably according to different types and conditions of use of lithium batteries.

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