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US 11,108,085 B2Granted
Inorganic compound particles, composite electrolyte, composite electrode, secondary battery, battery pack, and vehicle
AssigneeKabushiki Kaisha Toshiba
InventorsKazuomi Yoshima, Yasuhiro Harada, Norio Takami
Life of this patent
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Abstract
A plurality of inorganic compound particles contain a solvent, wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %; the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10-10 S/cm; and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm.
Claims20
A plurality of inorganic compound particles containing:
- a solvent, wherein
- a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %;
- the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm;
- and
- an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm.
2 more elements
A composite electrolyte film containing:
- an inorganic compound particles containing a solvent, wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %, the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm, and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm;
- an organic electrolyte;
- and
- a binding material.
1 more element
A composite electrode containing:
- an] inorganic compound particles containing a solvent, wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %, the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm, and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm;
- an electrode active material;
- a conductive material;
- and
- a binding material.
2 more elements
A secondary battery comprising:
- a positive electrode;
- a negative arranged opposite to the positive electrode;
- and
- an electrolyte film that is between the positive electrode and the negative electrode, wherein at least one of the positive electrode and the negative electrode containing the inorganic compound particles the inorganic compound particles containing a solvent, wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %, the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm, and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm.
1 more element
A secondary battery comprising:
- a positive electrode;
- a negative electrode arranged opposite to the positive electrode;
- and
- an electrolyte film that is between the positive electrode and the negative electrode, wherein the electrolyte film containing the inorganic compound particles the inorganic compound particles containing a solvent, wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %, the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm, and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm.
1 more element
A battery pack comprising:
- a plurality of secondary battery comprising a positive electrode, a negative electrode, an electrolyte film that is between the positive electrode and the negative electrode, wherein at least one of the positive electrode and the negative electrode containing the inorganic compound particles which contains a solvent,
- wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %, the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm, and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm.
A battery pack comprising:
- a plurality of secondary battery comprising a positive electrode, a negative electrode arranged opposite to the positive electrode, an electrolyte film that is between the positive electrode and the negative electrode, wherein
- the electrolyte film containing the inorganic compound particles the inorganic compound particles containing a solvent, wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %, the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm, and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm.
A vehicle comprising:
- a secondary battery comprising a positive electrode, a negative electrode arranged opposite to the positive electrode, and an electrolyte film that is between the positive electrode and the negative electrode, wherein
- at least one of the positive electrode and the negative electrode containing the inorganic compound particles, which contains a solvent, wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %, the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm, and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm.
A vehicle comprising;
- a secondary battery comprising a positive electrode, a negative electrode arranged opposite to the positive electrode, an electrolyte film that is between the positive electrode and the negative electrode, wherein the electrolyte firm containing the inorganic compound particles the inorganic compound particles containing a solvent,
- wherein a weight ratio of the solvent to the inorganic compound particles is greater than or equal to 8 weight % and less than or equal to 25 weight %, the inorganic compound particles having a lithium ion conductivity at 25° C. that is greater than or equal to 1×10−10 S/cm, and an average particle diameter of the inorganic compound particles is greater than or equal to 0.1 μm and less than or equal to 5 μm.
Dependencies are inferred from the claim text.