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LITHIUM POLYMER
Lithium Polymer Ion batteries provide the performance of the Li-ion in a thin or moldable package. They do not use a volatile liquid electrolyte and can sustain significant abuse without explosion or fire.
The lithium polymer uses a polymer gel electrolyte to replace the traditional liquid electrolyte. Lithium-polymer finds its market niche in wafer-thin geometries, such as batteries for credit cards and other such applications. Expected cycle life is about 500+ cycles.
Over 25 Standard Cells
- Standard Series Continually Expanding
- Standard and Custom PCM
- Customized Cell Size
Thin Prismatic Form Factor
Table 1
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Advantages
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Disadvantages
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Typical Application
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Very thin profile
Flexible form factor
Lightweight
Improved safety
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Expensive
No standard sizes
High cost-to-energy
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Calculators, digital cameras, pagers, lap tops, phones, PDAs
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Table 2: Charge/Discharge Chemical Reactions
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Typical Performance Characteristics of Lithium Poly-Batteries
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Operational Battery Voltage
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4.2 to 2.7 Volts
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Specific Energy
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150 to 225 Wh/Kg
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Energy Density
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200 to 250 W/L
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Power Density
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260 to 450 W/Kg
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Continuous Rate Capability
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Typical: 1C
High Rate: 10C
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Pulse Rate Capability
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Up to 15C
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Cycle Life at 100% DOD
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Typically 500
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Calendar Life
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3 - 5 years
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Self Discharge Rate
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0.3% / month
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Operable Temperature Range
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-20 °C to 60 °C
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Memory Effect
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None
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Note: Characteristics can change according to improvements in chemistry or special niche requirements.
Lithium Polymer
Can sustain significant abuse without explosion or fire.