Current collection through thermally sprayed tabs at the ends of a spirally wound electrochemical cell
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United States of America Patent
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Feb 13, 2001
Grant Date -
N/A
app pub date -
Jun 16, 1998
filing date -
Jun 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of making an electrochemical cell, and an electrode stack made thereby. The method includes fabrication of a coating onto selected areas of the ends of the stack by a thermal spray coating process in which the coating is applied to one of the electrodes in the stack without the coating contacting the alternate edges of the other electrode in the stack. Suitable conductive strips, compatible with the substrate materials that make up the electrodes of the cell, can be attached to the thermally sprayed coating layers, or can be embedded into the sprayed materials as they are applied to the electrode stack.
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