Positive electrode for nonaqueous electrolyte energy storage device, nonaqueous electrolyte energy storage device, and energy storage apparatus
AssigneeGS Yuasa International Ltd.
InventorsDaisuke ENDO, Naoki INOUE
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Abstract
A positive electrode for nonaqueous electrolyte energy storage device according to an aspect of the present invention includes a positive composite layer containing a composite positive active material in which at least part of a surface of a positive active material is coated with carbon, a proportion of a pore specific surface area of the carbon to a pore specific surface area of the composite positive active material is 20% or more and 50% or less, a density of the positive composite layer is 1.80 g/cm3 or more and 2.10 g/cm3 or less, and the positive active material is a compound represented by the following Formula 1. LiFexMn(1-x)PO4(0≤x≤1) 1
Claims5
A positive electrode for nonaqueous electrolyte energy storage device comprising a positive composite layer containing a composite positive active material in which at least part of a surface of a positive active material is coated with carbon,
- wherein
- a proportion of a pore specific surface area of the carbon to a pore specific surface area of the composite positive active material is 20% or more and 50% or less,
- a density of the positive composite layer is 1.80 g/cm3 or more and 2.10 g/cm3 or less, and
- the positive active material is a compound represented by the following Formula 1:
- LiFexMn(1-x)PO4(0≤x≤1) 1.
A positive electrode for nonaqueous electrolyte energy storage device comprising a positive composite layer containing a composite positive active material in which at least part of a surface of a positive active material is coated with carbon,
- wherein
- a proportion of a pore specific surface area of the carbon to a pore specific surface area of the composite positive active material is 20% or more and 50% or less,
- a pore specific surface area of the carbon is 1.0 m2/g or more and 5.5 m2/g or less, and
- the positive active material is a compound represented by the following Formula 1:
- LiFexMn(1-x)PO4(0≤x≤1) 1.
Dependencies are inferred from the claim text.