Development of a BB-2590/U rechargeable lithium-ion battery |
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Authors: | Marc Juzkow |
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Affiliation: | PolyStor Corporation, 6918 Sierra Court, Dublin, CA 94568, USA |
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Abstract: | PolyStor has teamed with Hawker Eternacell (US) to develop a BB-2590/U rechargeable lithium-ion battery under contract with the US Army CECOM (Ft. Monmouth, NJ, USA). The concept involves using commercially available ICR-18650 cylindrical lithium-ion cells. The individual cells have a high specific energy of 135 Wh kg?1 and an energy density of 335 Wh dm?3. Electronic circuitry was developed to provide pack protection, charge equalization and battery management (fuel gauging). PolyStor's rechargeable BB-2590/U battery provides 4.5 Ah at 28 V nominal or 9.0 Ah at 14 V nominal, translating into 108 Wh kg?1 and 150 Wh dm?3. The key developments are discussed in this paper. |
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Keywords: | Applications/military portable equipment Lithium-ion secondary batteries Charge control Safety devices |
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