Pasted positive electrode and process for its production
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United States of America Patent
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Dec 3, 2002
Issued Date -
N/A
app pub date -
Feb 15, 2000
filing date -
Nov 13, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a positive electrode for a rechargeable cell including a two-dimensional electrically conductive substrate supporting a coating comprising nickel hydroxide and a binder, preferably a styrene-ethylene/butylene-styrene triblock copolymer binder. The coating is formed by applying a paste to the two-dimensional substrate surface. The present invention also includes the cell made therefrom. The present invention further provides a method of producing this electrode including the steps of forming the paste and coating the paste onto the two-dimensional substrate. The capacity, midpoint voltage and power delivery of the coated electrode are comparable to or exceed those of traditional sintered and foam positive electrodes.
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