BATTERY CELL OF A CYLINDRICAL LITHIUM ION BATTERY
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United States of America Patent
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N/A
Issued Date -
Dec 9, 2010
app pub date -
May 28, 2010
filing date -
Jun 3, 2009
priority date (Note) -
Abandoned
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Abstract
A battery cell of a cylindrical lithium ion battery includes an anode plate and a cathode plate wounded together with an insulating separator disposed between the anode plate and the cathode plate. The anode plate includes an anode current collector and an anode film formed on the anode current collector. The anode current collector is formed with an anode exposed portion without the anode film formed thereon. The anode exposed portion is soldered with a number of anode terminals. The cathode plate includes a cathode current collector and a cathode film formed on the cathode current collector. The cathode current collector is provided with a cathode exposed portion without the cathode film formed thereon. The cathode exposed portion is soldered with a number of cathode terminals. The anode terminals and the cathode terminals are disposed at two opposite sides of the battery cell.
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