NASA-LLIS-2046
Lessons Learned – Limitations of Internal Protective Devices in High-Voltage/High- Capacity Batteries Using Lithium-Io
active, Most Current
| Organization: | NASA |
| Publication Date: | 11 May 2009 |
| Status: | active |
| Page Count: | 3 |
scope:
Abstract:
Most commercial cylindrical 18650 Lithium-Ion (Li-Ion) cells have two internal protective devices: the Positive Temperature Coefficient (PTC) and the Current Interrupt Device (CID). The PTC protects the cells under external short conditions and the CID protects the cells under overcharge conditions. While proven to be effective at the single cell and small-size battery levels, these devices do not always offer protection when used in high voltage and high-capacity battery designs.
Document History
NASA-LLIS-2046
May 11, 2009
Lessons Learned – Limitations of Internal Protective Devices in High-Voltage/High- Capacity Batteries Using Lithium-Io
Abstract:
Most commercial cylindrical 18650 Lithium-Ion (Li-Ion) cells have two internal protective devices: the Positive Temperature Coefficient (PTC) and the Current Interrupt Device (CID). The...
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