ELECTRODE GROUP WITH DESIRABLE HEAT DISSIPATING PERFORMANCE FOR USE IN LITHIUM ION BATTERIES
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United States of America Patent
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Issued Date -
Nov 11, 2010
app pub date -
May 6, 2010
filing date -
May 7, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An electrode group for use in lithium ion batteries includes an anode plate, a cathode plate and a separator disposed between the anode plate and the cathode plate. The anode plate includes an anode current collector and an anode film containing anode active material formed on the anode current collector. The cathode plate includes a cathode current collector and a cathode film containing cathode active material formed on the cathode current collector. The anode current collector is formed with a number of anode extending portions extending along a width direction thereof and the anode extending portions are coupled together to form an anode lead. The cathode current collector is formed with a number of cathode extending portions extending along a width direction thereof and the cathode extending portions are coupled together to form a cathode lead.
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