An energy storage module (100) in which a plurality of energy storage cells (10) including electrode terminals (16) are stacked, includes a bus bar (40) that electrically connects a plurality of electrode terminals (16), a conductive member (50) that is se...

An accumulator device which provides a high energy density and high output power is provided. The accumulator device (D) includes a positive electrode in which a positive electrode layer (A) is formed, a negative electrode in which a negative electrode lay...

Provided is a lithium ion capacitor having a low internal resistance, a high energy density, and a high capacity retention rate. The lithium ion capacitor includes a positive electrode having a positive electrode active material layer formed on a roughened...

A laminate-packaged electric storage device can reliably discharge gas from a specific area without causing leakage of an electrolyte solution when gas is generated inside an outer package. The laminate-packaged electric storage device includes the outer p...

A method of producing an electric storage device (100) includes a fastening step that includes fastening a laminate (80) that includes a lithium foil (82) and a metal foil (84) to at least one of a first separator (50a) and a second separator (55a) using a...

Disclosed is an accumulator device that can prevent aluminum forming an outer container from forming an alloy with lithium even when fine lithium metal powder is isolated from a lithium ion supply source to adhere to the outer container. [0002] The accumul...

The invention has as its object the provision of a wound-type accumulator, by which arrangement of a lithium ion source is simplified, and the time required to inject an aprotic organic solvent electrolyte solution and the time required for predoping are s...