Thin type cell having superior air-tightness and mechanical strength
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United States of America Patent
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Sep 18, 2001
Grant Date -
N/A
app pub date -
Feb 25, 1998
filing date -
Feb 26, 1997
priority date (Note) -
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Abstract
A thin type cell is made up of a cathode 1, an anode 2 and an electrolyte 3, sheathed within a moisture-proofing multi-layered film 4 comprising a heat fusible layer and a metal foil. A pair of electrode terminals 5, 6 interconnecting electrodes and external terminals are formed of a netted or porous electrically conductive member. By using the netted or porous electrically conductive materials as the electrode terminals 5, 6, the electrode terminals 5, 6 can be firmly bonded to the moisture-proofing multi-layered film 4. Moreover, by increasing the thickness of the heat fusible layer at the sealing portion X passed through by the electrode terminals 5, 6, shorting can be prevented from occurring.
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