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Metal Working

Novel-battery-assembly

Battery packaging construction for alkali metal multicell batteries

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Heart pacing pulse detection system

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Semi-monolithic memory with high-density cell configurations

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Output capacitor array of a switched-mode power supply

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Capacitor for an implantable cardiac defibrillator

Defibrillators are implanted in patients susceptible to cardiac arrhythmias or fibrillation. Such ...

Electrolyte capacitor and method of making the same

OF A PREFERRED EMBODIMENT Present electrolytic capacitors are usually constructed by tightly ...

Conforming implantable defibrillator

The invention provides an implantable device, such as a defibrillator, having an articulated ...

Process for making a capacitor foil with enhanced surface area

The instant invention is directed to the benefits obtained by deep etching of the anode foil for ...

Energy storage device and its methods of manufacture

OF THE PREFERRED EMBODIMENTS Definitions The definitions of the following terms are not intended ...

Elongate fiber filter mechanically securing solid adsorbent particles between adjacent multilobes

OF THE PREFERRED EMBODIMENTS Referring now to the drawings and FIGS. 1 and 2 in particular there ...

Novel battery assembly

Details

Inventors: Sullivan, Charles I.;
Assignee: Polaroid Corporation (Cambridge, MA)
Primary Examiner: LeFevour; Charles F.
Assistant Examiner:
Attorney, Agent or Firm: Ericson; John W., Mervis; Stanley H.

A relatively thin, flat or planar battery is disclosed which includes one or more cells in series relationship each comprising a planar anode in superposed relationship with a planar cathode and a separator disposed intermediate and extending substantially coextensive the facing surfaces of the anode and cathode possessing marginal portions and an aqueous electrolyte permeable central portion. Each cell includes an aqueous electrolyte disposed in the central portion of the separator and in contact with the facing surfaces of both the anode and the cathode and an electrically nonconducting polyacrylate sealant extending intermediate and providing adhesive contact between the marginal portions of the separator and next adjacent facing surfaces.

DETAILED DESCRIPTION The present invention is directed to a new and improved energy cell or battery which comprises one or more individual cells each of which include a planar anode superposed substantially coextensive a planar cathode and possessing a planar separator including an electrolyte permeable central portion surrounded by substantially electrolytefree marginal portions positioned between the anode and cathode.
Aqueous electrolyte is disposed in the central portion of the separator and in contact with opposed facing surfaces of both the anode and cathode and the battery specifically includes an electrically nonconducting polyacrylate adhesive sealant extending coextensive and intermediate marginal portions of the separator and next adjacent facing surfaces.

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