LITHIUM ION SECONDARY BATTERY
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United States of America Patent
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Issued Date -
Nov 19, 2015
app pub date -
May 8, 2015
filing date -
May 19, 2014
priority date (Note) -
Abandoned
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Abstract
A lithium ion secondary battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer is provided. The positive electrode layer includes a positive electrode current collector layer and a positive electrode active material layer. Positive electrode active material layer includes a positive electrode active material. The negative electrode layer includes a negative electrode current collector layer and a negative electrode active material layer. The negative electrode active material layer includes a negative electrode active material. Solid electrolyte layer between the positive and negative electrode active material layers includes a solid electrolyte. At least one of a ratio of a particle diameter of the solid electrolyte to a particle diameter of the positive electrode active material and a ratio of the particle diameter of the solid electrolyte to a particle diameter of the negative electrode active material is in the range of 1/10 to 1/3.
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