PROCESS FOR PRODUCING AN ELECTROCHEMICAL CELL, AND ELECTROCHEMICAL CELL PRODUCED BY THE PROCESS
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United States of America Patent
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Issued Date -
May 23, 2019
app pub date -
Jun 30, 2017
filing date -
Jun 30, 2017
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Abstract
The invention relates to a process for producing an electrochemical cell, particularly a solid-electrolyte battery, wherein a paste or foil is applied to each of the opposing surfaces of a solid electrolyte that form the respective anode and the respective electrode, and organic components within the pastes or foils are expelled in a heat treatment under an inert or reducing atmosphere. Subsequent to this, in a further stage, a fusional connection is produced by sintering between the anode and the solid electrolyte and between the cathode and the solid electrolyte. Here, the solid electrolyte is formed with an oxidic material conductive for lithium ions, the anode with a first lithium-containing chemical compound, particularly lithium titanate, and carbon, and the cathode with a second lithium-containing chemical compound, particularly a lithium metal phosphate, and carbon, to give a three-layer electrochemical cell construction devoid of organic components.
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