What are the safety requirements for lithium battery charging and discharging operations and electricity use?

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Author : topwellpower
Update time : 2024-07-04 10:45:17

In lithium battery safety requirements, safety standards for charging, discharging operations, and electrical use are crucial to ensure safe and reliable operation, preventing accidents. Here are the key safety standards for lithium battery charging and discharging operations and electrical use:

Charging and Discharging Operations Safety Standards:

  1. Operating Environment Requirements: Lithium battery charging and discharging operations should be conducted in well-ventilated and suitable temperature and humidity environments. This helps prevent adverse conditions such as overheating and excessive humidity from affecting battery performance and safety. Charging and discharging areas should be away from core areas and equipped with independent fire protection zones to mitigate potential safety risks.

  2. Charger Selection and Use: Chargers used for charging operations must comply with relevant standards and specifications, ensuring reliable quality. Chargers should include safety features such as short circuit protection, braking power cut-off, overcurrent protection, and anti-runaway functions. Additionally, battery packs should use chargers with balancing functions to ensure balanced charging of individual battery cells within the battery pack.

  3. Battery Inspection: Before charging or discharging operations, batteries must undergo inspection to ensure compliance. This includes checking for damage, deformation, leakage, smoking, and electrical leakage. If any issues are identified, charging or discharging operations must not proceed, and batteries should be safely disposed of promptly.

  4. Avoid Overcharging and Overdischarging: Lithium-ion battery charging and discharging operations should avoid overcharging and overdischarging. Overcharging can lead to increased internal pressure and electrolyte leakage, while overdischarging may result in decreased battery performance and shortened lifespan. Therefore, voltage and current during charging and discharging processes should be strictly controlled to ensure batteries operate within safe limits.

  5. Temperature Control: Avoid charging or discharging lithium batteries in high or low-temperature environments. High temperatures can lead to thermal runaway, while low temperatures can affect battery charging and discharging performance. Additionally, the charging and discharging current of lithium batteries should not exceed the maximum current specified in the datasheet.

  6. Use of National Standard Power Circuits: When performing lithium battery charging and discharging operations, use power circuits that comply with relevant national electrical standards to ensure stability and safety of the power supply.

Electrical Use Safety Standards:

  1. Equipment Insulation and Grounding: Lithium battery-powered equipment should have excellent insulation performance to prevent electric leakage and electric shock accidents. Equipment should be properly grounded to safely conduct current to the ground in the event of electrical faults, ensuring personnel safety.

  2. Electrical Connection and Protection: Electrical connections for lithium batteries should be secure and reliable to prevent loosening or detachment. Protective measures should be taken for exposed electrical parts, such as using insulation materials or installing protective covers, to prevent accidental contact by personnel.

  3. Regular Inspection and Maintenance: Regularly inspect and maintain lithium battery-powered equipment to ensure it is in good working condition. This includes checking for loose electrical connections, insulation damage, and abnormal heating of equipment.

  4. Safety Training and Operating Procedures: Provide safety training to personnel operating lithium battery-powered equipment to familiarize them with equipment safety performance, operating methods, and emergency procedures. Establish and strictly enforce operating procedures to ensure personnel adhere to specified procedures and requirements.

In conclusion, lithium battery safety requirements encompass various aspects of charging, discharging operations, and electrical use, from operating environments and equipment selection to insulation and grounding of electrical equipment. Implementation of these standards helps ensure the safe and reliable use of lithium batteries, reducing the risk of accidents.

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