Manufacturing method for electrode apparatus of battery
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United States of America Patent
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Nov 27, 2007
Grant Date -
May 19, 2005
app pub date -
Sep 10, 2004
filing date -
Sep 17, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for manufacturing a circular electrode apparatus of a battery for resistance stability improvement comprises the following procedures. First, an electrode structure of a battery including an upper electrode plate, an over-current protection device and lower electrode plate is provided, wherein the over-current protection device is a lamination constituted of an upper metal foil, a current-sensitive layer and a lower metal foil. Secondly, the electrode structure is treated by high-speed impact, vibration, hot-cold impact, acid pickling, water pickling or sand blasting to become the electrode apparatus of the present invention whereby the mean value of the resistance of the electrode apparatuses is below 0.05 ohm, and the deviation of the resistances of the electrode apparatuses is below 0.005 ohm at 25.degree. C.
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