Abstract: The present invention relates to carbon nanotubes which are characterized by satisfying the requirements (1) to (3) described below. (1) An aqueous dispersion liquid of the carbon nanotubes has a pH of from 8.0 to 10.0. (2) The BET specific surface area of the carbon nanotubes is from 200 to 800 m2/g. (3) IfY is the average fiber length (nm) of the carbon nanotubes and X is the BET specific surface area (m2/g) of the carbon nanotubes, X and Y satisfy Y = -aX + b (wherein a and b represent constants, while satisfying 2.2?a?3.5 and 2,300?b?5,000).

Abstract: An electrode for an all-solid-state battery includes a current collector, a carbon material layer having an adhesive property, and an active material layer in this order in the thickness direction, and the carbon material layer contains a carbon material, a dispersion material, and a binder.

Abstract: A carbon nanotube dispersion liquid for nonaqueous electrolyte secondary battery is a carbon nanotube dispersion liquid containing carbon nanotubes, a dispersant and a solvent, and is characterized in satisfying (1) to (3) below: (1) the average outer diameter of the carbon nanotubes ranging from more than 3 nm to 25 nm; (2) the BET surface area of the carbon nanotubes ranging from 150 m2/g to 800 m2/g; and (3) the fiber length of the carbon nanotubes in the carbon nanotube dispersion liquid ranging from 0.8 ?m to 3.5 ?m.

Abstract: The present invention addresses the problem of providing an electrically conductive composition which can be used for producing an electric storage device such as a non-aqueous electrolyte secondary battery (e.g., a lithium ion secondary battery) having excellent electric conductivity during an ordinary operation and therefore having excellent battery output properties and the like and also having a function of increasing internal resistance when the internal temperature of the battery is increased, and which enables the production of an electric storage device such as a non-aqueous electrolyte secondary battery having excellent electric conductivity and safety-related functions.

Abstract: The present invention addresses the problem of providing an electrically conductive composition which can be used for producing an electric storage device such as a non-aqueous electrolyte secondary battery (e.g., a lithium ion secondary battery) having excellent electric conductivity during an ordinary operation and therefore having excellent battery output properties and the like and also having a function of increasing internal resistance when the internal temperature of the battery is increased, and which enables the production of an electric storage device such as a non-aqueous electrolyte secondary battery having excellent electric conductivity and safety-related functions.

Abstract: A negative electrode mixture is provided and includes: a negative electrode active material containing a carbon based material; a binder containing at least a polyacrylonitrile based resin; and a polymer capable of suppressing an intermolecular interaction between cyano groups and imparting a steric hindrance.