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US 12,763,359 B2Granted
All solid-state battery
AssigneeSamsung SDI Co., Ltd.
InventorsJinhoon Yang, Byeonggyu Cho, Jinkyu Kim, Yunchae Jung, Sangil Han
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Abstract
The present invention relates an all solid-state battery, the all solid-state battery comprising: a current collecting body; a negative electrode comprising a negative electrode layer disposed on one surface of the current collecting body; a positive electrode; and a solid electrolyte layer located between the negative electrode and positive electrode, wherein the negative electrode layer thickness (a) and solid electrolyte layer thickness (b) have the relationship expressed in formula 1. 1.0≤b/a≤6.0 [formula 1].
Claims11
An all solid-state battery, comprising:
- a negative electrode comprising a current collector and a negative electrode layer disposed on one surface of the current collector;
- a positive electrode;
- and
- a solid electrolyte located between the negative electrode and the positive electrode,
- wherein the negative electrode layer has a thickness of 5 μm to 15 μm,
- wherein the solid electrolyte layer has a thickness of 5 μm to 90 μm,
- wherein the negative electrode layer includes a negative active material and the negative active material includes a carbon-based material and metal particles,
- wherein the solid electrolyte is a sulfide-based solid electrolyte, and
- wherein the negative electrode layer thickness (a) and the solid electrolyte layer thickness (b) have the relationship expressed in Equation 1:
- 2.0≤b/a≤5.0 (Equation 1)
7 more elements
Dependencies are inferred from the claim text.