ATL

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 Amperex Technology Limited


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ATL has a license agreement with Valence to produce the Lithium-ion polymer battery by stacking polymer Lithium-ion technologies.
Advantages of LIP battery

 Thin Batttery
  • Thin format, light weight, large area, and flexibility in design footprint
  • Easily customized
  • Energy density
    140-180 vs 120-160 Wh/Kg for liquid Li-Ion
  • High capacity: less need to put cells in parallel
  • Safety feature: far superior to liquid
  • Environmental: no leakage, no heavy metals, and no pollution
Performance Comparison
Battery
Types
Lead
Acid
 Ni-Cd
 Ni-MH
 Li
Ion
 Li
Polymer
Safety
 good
 good
 good
 good
 excellent
Nominal
Voltage (V)
 2
 1.2
 1.2
 3.7
 3.7
Gravimetric
Energy Density
(Wh/kg)
 35
 41
 50-80
 120-160
 140-180
Volumetric
Energy Density
(Wh/l)
 80
 120
 100-200
 200-280
 >320
Cycle Life
 300
 300
 500
 > 500
 > 500
Operation
Temp. (oC)
 -20 ~ 60
 20 ~ 60
 20 ~ 60
 0 ~ 60
 0 ~ 60
Memory Effect
 No
 Yes
 No
 No
 No
Self-discharge
(%/month)
 < 0
 < 10
 < 30
 < 5
 < 5
Environmental
Friendliness
 No
 No
 No
 No
 Yes
Design Form
Factor
 None
 None
 None
 None
 Yes

Last Updated
July 22, 2005


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