ELECTROCHEMICAL CELLS

ELECTROCHEMICAL CELLS

A method of making an electrochemical cell comprises loading into a cathode compartment of a cell housing comprising an anode compartment separated from a cathode compartment by a separator which is a solid conductor of ions of alkali metal M or is a micromolecular sieve which contains alkali metal...

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Hauptverfasser: KEITH TREVOR ADENDORFF, JOHAN COETZER, ANTHONY AYTON MEINTJES
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator KEITH TREVOR ADENDORFF
JOHAN COETZER
ANTHONY AYTON MEINTJES
description A method of making an electrochemical cell comprises loading into a cathode compartment of a cell housing comprising an anode compartment separated from a cathode compartment by a separator which is a solid conductor of ions of alkali metal M or is a micromolecular sieve which contains alkali metal M sorbed therein, an alkali metal aluminium halide molten salt electrolyte having the formula MAlHal4 wherein M is the alkali metal of the separator and Hal is a halide; an alkali metal halide MHal wherein M and Hal are respectively an alkali metal and a halide; a transition metal T selected from the group comprising Fe, Ni, Co, Cr, Mn and mixtures thereof, as an active cathode substance; and a current collector comprising at least one of copper, a copper-based substance, and a copper-coated substance, thereby to make an electrochemical cell precursor. The precursor is charged at a temperature at which the molten salt electrolyte and alkali metal M are molten, thereby halogenating the active cathode substance, with alkali metal M being produced and passing through the separator into the anode compartment.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title ELECTROCHEMICAL CELLS
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