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US 2016/0079631 A1Published application
Biomedical energization elements with polymer electrolytes and cavity structures
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsFrederick A. Flitsch, Millburn Ebenezer Jacob Muthu, Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner
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Abstract
Designs, strategies and methods to form energization elements comprising polymer electrolytes are described. In some examples, the biocompatible energization elements may be used in a biomedical device. In some further examples, the biocompatible energization elements may be used in a contact lens.
Claims20
A biomedical device comprising:
- an electroactive component;
- a battery including an anode current collector;
- a cathode current collector;
- an anode;
- a polymer electrolyte, wherein the polymer electrolyte comprises an ionic species;
- a transition metal oxide cathode;
- a first laminate layer comprising a first cavity, wherein the first cavity contains an amount of the polymer electrolyte;
- and a second laminate layer comprising a second cavity wherein the second cavity contains an amount of the manganese dioxide cathode;
- and
- a first biocompatible encapsulating layer, wherein the first biocompatible encapsulating layer encapsulates at least the electroactive component and the battery.
7 more elements
A method of manufacturing a battery comprising:
- obtaining a cathode collector film, wherein the cathode contact film comprises titanium;
- coating the cathode collector film with a carbon coating;
- obtaining a first laminate layer, wherein the first laminate layer comprises a first body and at least a first release layer and pressure sensitive adhesive upon surfaces of the body;
- cutting a hole in the first laminate layer;
- adhering the cathode collector film with the carbon coating to the first laminate layer, wherein the hole in the first laminate layer and the cathode collector film with carbon coating create a first cavity;
- depositing a transition metal oxide slurry into the first cavity and upon the carbon coating;
- drying the transition metal oxide deposit;
- obtaining a second laminate layer, wherein the second laminate layer comprises a second body and at least a second release layer and pressure sensitive adhesive upon surfaces of the second body;
- cutting a hole in the second laminate layer;
- adhering a metal foil to the second laminate layer, wherein the hole in the second laminate layer and the metal foil create a second cavity;
- depositing a polymer electrolyte comprising ionic constituents into the second cavity;
- drying the polymer electrolyte;
- laminating the first laminate layer to the second laminate layer, wherein the first cavity and the second cavity align at least in a respective portion and the polymer electrolyte and the transition metal oxide deposit are laminated together;
- cutting material from the laminate layers in a region peripheral to the first cavity and the second cavity;
- encapsulating the metal foil, polymer electrolyte, transition metal oxide deposit, cathode collector, first laminate layer and second laminate layer in a biocompatible encapsulating film;
- and
- singulating a battery element from the encapsulated metal foil, polymer electrolyte, transition metal oxide deposit, and cathode collector in a biocompatible encapsulating film.
14 more elements
A method of energizing a biomedical device comprising:
- obtaining a cathode collector film, wherein the cathode contact film comprises titanium;
- coating the cathode collector film with a carbon coating;
- obtaining a first laminate layer, wherein the first laminate layer comprises a first body and at least a first release layer and pressure sensitive adhesive upon surfaces of the body;
- cutting a hole in the first laminate layer;
- adhering the cathode collector film with the carbon coating to the first laminate layer, wherein the hole in the first laminate layer and the cathode collector film with carbon coating create a first cavity;
- depositing a manganese dioxide slurry into the first cavity and upon the carbon coating;
- drying the manganese dioxide deposit;
- obtaining a second laminate layer, wherein the second laminate layer comprises a second body and at least a second release layer and pressure sensitive adhesive upon surfaces of the second body;
- cutting a hole in the second laminate layer;
- adhering a zinc foil to the second laminate layer, wherein the hole in the second laminate layer and the zinc foil create a second cavity;
- depositing a polymer electrolyte comprising ionic constituents into the second cavity;
- drying the polymer electrolyte;
- laminating the first laminate layer to the second laminate layer, wherein the first cavity and the second cavity align at least in a respective portion and the polymer electrolyte and the manganese dioxide deposit are laminated together;
- cutting material from the laminate layers in a region peripheral to the first cavity and the second cavity;
- encapsulating the zinc foil, polymer electrolyte, manganese dioxide deposit, cathode collector, first laminate layer and second laminate layer in a biocompatible encapsulating film;
- connecting the anode current collector to an electroactive device;
- connecting the cathode current collector to the electroactive device;
- encapsulating the laminar structure and electroactive device in a second biocompatible encapsulating layer to form a biomedical device.
15 more elements
Dependencies are inferred from the claim text.