Title:
DISCONTINUOUS CATHODE SHEET HALFCELL WEB
Document Type and Number:
WIPO Patent Application WO2003049214
Kind Code:
A3
Abstract:
A discontinuous cathode sheet structure is incorporated within thin-film electrochemical halfcells and full cells. A thin-film electrochemical cell structure includes a cathode sheet layer comprising a series of discontinuous cathode sheets. In a monoface configuration, each of the cathode sheets includes one cathode layer in contact with a current collector layer. In a biface configuration, each of the cathode sheets includes a pair of cathode layers each contacting a current collector layer. A gap is defined between adjacent ones of the cathode sheets. A solid electrolyte layer contacts a surface of one or both cathode layers, depending on the configuration, and extends across the gaps defined between the adjacent cathode sheets. The cathode sheets may be arranged in a number of rows to define a matrix of the cathode sheets.
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Inventors:
KRAMLICH DAVID C
MILLER ALAN P
MILLER ALAN P
Application Number:
PCT/US2002/032863
Publication Date:
September 18, 2003
Filing Date:
October 15, 2002
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
H01M4/06; H01M4/12; H01M4/13; H01M4/139; H01M4/40; H01M10/04; H01M10/052; H01M10/0565; H01M10/0585; H01M10/36; H01M50/414; H01M50/449; H01M6/40; (IPC1-7): H01M4/02; H01M4/04; H01M4/06; H01M4/12; H01M10/04; H01M10/40
Foreign References:
| US5618318A | 1997-04-08 | |||
| EP1113511A1 | 2001-07-04 | |||
| US5300373A | 1994-04-05 |
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