US 2026/0088271 A1 · METHOD FOR PRODUCING AN ELECTRODE, ELECTRODE, ALKALINE BATTERY, AND USES OF THE ALKALINE BATTERY

Abstract

Disclosed are a method for producing an electrode for a galvanic cell, an electrode for a galvanic cell, a galvanic cell, and uses of the galvanic cell. The method comprises: applying a separator membrane to a planar electrode such that an intermediate space is formed between the planar electrode and the separator membrane; subsequently applying a liquid comprising a particular material to the separator membrane, wherein the liquid comprising material penetrates, by way of capillary forces, at least into the pores of the separator membrane, into the intermediate space between the planar electrode and the separator membrane and into pores of the planar electrode, wherein the liquid is subsequently evaporated. The method makes it easily and inexpensively possible to provide an electrode which exhibits a high energy density at the cell level and high chemical, electrochemical and mechanical stability, exhibits high cycle stability and allows high operating currents.

Claims37

Dependent claims

1-18. (canceled)

A method for producing an electrode for a galvanic cell, comprising:

a) providing a planar electrode, wherein the planar electrode has a surface;
b) applying a first surface of a separator membrane to the surface of the planar electrode so that an intermediate space is formed between the surface of the planar electrode and the first surface of the separator membrane;
c) applying a liquid to a second surface of the separator membrane opposite the first surface, wherein the liquid comprises a solvent and a material selected from the group consisting of polymer, inorganic particles, organic particles and combinations thereof, wherein the liquid comprising its solvent and its material penetrates, by way of capillary forces, at least into the pores of the separator membrane, into the intermediate space between the surface of the planar electrode and the first surface of the separator membrane, and into pores of the surface of the planar electrode;
and
d) evaporating the solvent of the liquid, whereby an electrode is created, which comprises the material of the liquid in the intermediate space between the surface of the electrode and the first surface of the separator membrane and in at least a portion of the pores, wherein the material contacts the surface of the electrode and the first surface of the separator membrane extensively.

2 more elements

An electrode for a galvanic cell comprising:

a) a planar electrode, wherein the planar electrode has a surface;
b) a separator membrane having a first surface, a second surface opposite the first surface, and pores, wherein the first surface of the separator membrane is applied to the surface of the planar electrode, and there is an intermediate space between the surface of the planar electrode and the first surface of the separator membrane;
c) a material selected from the group consisting of polymer, inorganic particles, organic particles, and combinations thereof, wherein the material is arranged in at least a portion of the pores of the separator membrane, is arranged in the intermediate space between the surface of the planar electrode and the first surface of the separator membrane, and is arranged in pores of the surface of the planar electrode, and wherein the material contacts the first surface of the separator membrane and the surface of the planar electrode extensively.

Dependencies are inferred from the claim text.

Method for producing an electrode, electrode, alkaline battery, and uses of the alkaline battery

Life of this patent

Method for producing an electrode, electrode, alkaline battery, and uses of the alkaline battery

Life of this patent

Abstract

Claims37