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PUNCHING AND TRANSPORT OF LITHIUM BATTERY COMPONENTS

IP.com Disclosure Number: IPCOM000124728D
Publication Date: 2005-May-04
Document File: 3 page(s) / 120K

Publishing Venue

The IP.com Prior Art Database

Abstract

The present subject matter is adapted to produce planar lithium anodes for use in LiMnO2 batteries having flat stacks of battery electrodes. LiMnO2 batteries benefiting from the present subject matter are used in implantable medical devices such as pacemakers and defibrillators.

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punching AND TRANSPORT OF lithium

battery

COMPONENTS

The present subject matter is adapted to produce planar lithium anodes for use in LiMnO2 batteries having flat stacks of battery electrodes.  LiMnO2 batteries benefiting from the present subject matter are used in implantable medical devices such as pacemakers and defibrillators.

The present subject matter is a method for the punching and transport of lithium subcomponents.  The method dispenses a lithium ribbon and two plastic ribbons from spools and threads them into a ribbon having lithium sandwiched between a top and a bottom plastic liner ribbon.  The top and bottom plastic linings each include a plurality of pre-punched apertures.

The ribbon having lithium sandwiched between the plastic linings is then punched.  In this punching operation, an aperture of the top plastic liner and an aperture of the bottom plastic liner are aligned with the punch.  The punched result is a coupon of lithium having a top lining and a bottom lining, with the top lining having an aperture, and the bottom lining having an aperture.  The coupon and its linings rest on a working surface.

For transportation, a vacuum head is directed to the coupon to grab the coupon using vacuum suction.  The present subject matter directs a first nozzle to the top plastic liner and a second nozzle to the lithium through the aperture in the top lining.  A third nozzle, located in the working surface, applies a vacuum to the bottom lining.  There is n...