Positive composite for energy storage device, positive electrode for energy storage device, energy storage device, and energy storage apparatus
AssigneeGS Yuasa International Ltd.
InventorsNorio YAMATANI, Shinya OTANI
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Abstract
A positive composite for an energy storage device according to an aspect of the present invention includes a positive active material and a conductive auxiliary agent, in which the conductive auxiliary agent includes a carbon nanotube, and, in a Log differential pore volume distribution, a ratio B/A of a maximum value B [cm3/g] of a differential pore volume within a pore size range of 100 nm or more and 3000 nm or less to a maximum value A [cm3/g] of a differential pore volume within a pore size range of 10 nm or more and 100 nm or less is 4.50 or more.
Claims5
A positive composite for an energy storage device comprising:
- a positive active material;
- and
- a conductive auxiliary agent,
- wherein the conductive auxiliary agent includes a carbon nanotube, and
- in a Log differential pore volume distribution, a ratio B/A of a maximum value B [cm3/g] of a differential pore volume within a pore size range of 100 nm or more and 3000 nm or less to a maximum value A [cm3/g] of a differential pore volume within a pore size range of 10 nm or more and 100 nm or less is 4.50 or more.
Dependencies are inferred from the claim text.