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Lithium Ion Battery Safety

Lithium Ion Battery Safety. Non-Consumer Applications. Custom UPS Portable instrumentation Detectors Experiments Research and Development. Non-consumer Lithium Ion Battery Safety. Who ?. Where ?. Technicians Engineers Scientists Researchers Operators. Increased capacity

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Lithium Ion Battery Safety

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  1. Lithium Ion Battery Safety • Non-Consumer Applications

  2. Custom UPS Portable instrumentation Detectors Experiments Research and Development Non-consumer Lithium Ion Battery Safety Who? Where? • Technicians • Engineers • Scientists • Researchers • Operators

  3. Increased capacity Limited or absent safety measures Not yet listed or tested by NRTL Unusual or hostile environments Non-consumer Lithium Ion Battery Safety Differences from consumer Li-ion

  4. Safety circuits and cell monitoring are necessary to prevent thermal runaway Separate positive and negative terminals and make touch safe, keyed connectors Write operation and maintenance manual Follow standards National DOE Site Non-consumer Lithium Ion Battery Safety • Design • Assembly Physically protect batteries Control temperatures Do not solder to battery case Label exterior of Li-ion devices

  5. Follow manufacturer recommendations Split banks if possible to lower overall voltage, especially if system series potential exceeds 50 volts Regularly inspect batteries Replace all cells in system if one or more fail Non-consumer Lithium Ion Battery Safety • Maintenance/Troubleshooting • Operation • Know signs of failure • Environmental limits • Follow procedures • Know Hazards • Shock • Burn • Explosion • Corrosive Chemicals

  6. Include capacity degradation when calculating required battery size Design batteries in assemblies with integral safety and monitoring circuitry, and battery status communication to devices Design devices for easy and safe battery assembly replacement Design battery assemblies and devices for disassembly to facilitate re-use or recycling of components Non-consumer Lithium Ion Battery Safety • Life cycle planning

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