Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2001-10-11
2004-07-06
King, Roy (Department: 1742)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C204S269000
Reexamination Certificate
active
06758951
ABSTRACT:
TECHNICAL FIELD
The present invention relates to the high throughput synthesis and characterization of materials for electrochemical cells.
BACKGROUND
The search for improved electrochemical performance has stimulated research into improved materials for use in such applications. One approach to such research is addressed in commonly owned U.S. Pat. No. 6,187,164 (Warren et al; issued Feb. 13, 2001), hereby incorporated by reference. Another approach is addressed in PCT WO 00/77279 (Published Dec. 21, 2000), also incorporated by reference. The advances achievable through the above disclosures have stimulated further investigation into the development of additional high throughput techniques for performing electrochemical performance research.
SUMMARY OF THE INVENTION
The present invention provides yet another attractive high-throughput approach to electrochemical performance research. The invention is premised upon the discovery of an improved apparatus and methodology for defining electrochemical cells, pursuant to which many different electrolyte materials, electrode materials, electrochemical additives, current densities, catalysts, or the like may be the subject of high-throughput experimentation. The present invention advantageously may be employed to synthesize libraries of materials, to characterize libraries of materials or both.
In general, the apparatus of the present invention includes a base including a plurality of wells associated therewith for defining a plurality of electrochemical cells; at least two electrodes sealingly disposed in each electrochemical cell; and circuitry for providing an electrical connection between an electrical source and each said cell. A particularly preferred apparatus employs at least one printed circuit board secured to the base. In a preferred method, candidate materials are introduced into the apparatus and their respective performances are analyzed.
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Devenney Martin
Giaquinta Daniel M.
Gorer Alexander
Matsiev Leonid
Nguyen Sum
King Roy
Symyx Technologies Inc.
Wilkins, III Harry D
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