METHOD OF MANUFACTURING SOLID-STATE BATTERY AND SOLID-STATE BATTERY
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United States of America Patent
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Issued Date -
Oct 27, 2022
app pub date -
Jun 30, 2022
filing date -
Jun 30, 2022
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Abstract
A method of manufacturing a solid-state battery includes forming an electrode that includes a first electrode layer and a second electrode layer facing the first electrode layer and that further includes a buried layer interposed between the first electrode layer and the second electrode layer so as to surround a contact portion where these electrode layers contact each other. For the buried layer, a solid electrolyte with lower electron conductivity than an electrode active material is used, for example. The buried layer is provided between the edge portion of the first electrode layer and the edge portion of the second electrode layer, so that deformation of the first electrode layer and second electrode layer is prevented in the subsequent lamination and thermocompression bonding and thus the occurrence of a short circuit due to such deformation is prevented in the solid-state battery.
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