Electrochemical cells with glass containing separators
AssigneeLeclanche S.A.
InventorsPierre Blanc, Hilmi Buqa
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Abstract
A coated method for the preparation of a separator comprising multiple layers of glass or glass and ceramic particles for use in an electrochemical cell, an electrochemical cell comprising such a separator and the use of such an electrochemical cell. The method comprises the steps of providing a mixture of an organic polymeric material, glass or glass and ceramic particles and at least one solvent, and preparing a multilayer by phase inversion.
Claims13
A coating method for the preparation of a porous separator comprising multiple layers, wherein each layer comprises both glass particles and ceramic particles, wherein the method comprises the steps of
- providing a mixture of an organic polymeric material of both glass particles and ceramic particles and at least two solvents, wherein the glass particles and ceramic particles comprise 51-95% of the mixture, and
- preparing a multilayer by phase inversion.
A method for forming a separator which comprises utilizing an electrochemical cell comprising an electrochemical cell electrolyte, an anode, a cathode and a separator, wherein the separator comprises multiple layers, wherein each layer comprises both glass particles and ceramic particles, wherein the method for forming the separator comprises the steps of
- providing a mixture of an organic polymeric material of both glass particles and ceramic particles and at least two solvents, wherein the glass particles and ceramic particles comprise 51-95% of the mixture, and
- preparing a multilayer by phase inversion, wherein the anode is made of an anode material selected from the group consisting of graphite, or other carbon based materials, Si, or composites consisting of Si, Li4Ti5O12, Li2Ti3O7, LixTiO2 (where 0≦x≦1), TiO2, TiO2(OH)x (where x≧1) and mixtures thereof.
A method for forming a separator which comprises utilizing an electrochemical cell comprising an electrochemical cell electrolyte, an anode, a cathode and a separator, wherein the separator comprises multiple layers, wherein each layer comprises both glass particles and ceramic particles, wherein the method for forming the separator comprises the steps of
- providing a mixture of an organic polymeric material of both glass particles and ceramic particles and at least two solvents, wherein the glass particles and ceramic particles comprise 51-95% of the mixture, and
- preparing a multilayer by phase inversion, wherein the electrochemical cell is provided for consumer electronics, stationary applications as storage of renewable energy, grid levelling, solar, large hybrid diesel engines, military, hybrid electric vehicles (HEV-s), and aerospace applications.
Dependencies are inferred from the claim text.