A positive electrode for the secondary battery includes a positive electrode active material layer and a positive electrode current collector. The positive electrode active material layer includes a positive electrode active material and a polymer compound...

A battery pack includes a cylindrical secondary battery and a heat absorbing member, and an exterior body of the heat absorbing member accommodates a heat absorbing agent between a first inner resin layer L1a and a second inner resin layer. A flange portio...

A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode active material layer. The electrolytic solution includes an aqueous solvent. The positive electrode...

A secondary battery evaluation system includes a battery pack including a plurality of secondary battery cells, a voltage detection circuit that detects a terminal-to-terminal voltage value of the battery pack, a current detection circuit that detects a cu...

A secondary battery is provided and includes a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes a solvent. The solvent includes an anisole compound represented by Formula (1), and a content of the a...

A power reception device includes a power reception rectification circuit that converts a high-frequency power received by a power reception resonance circuit into a DC power on the power reception side; a battery charged by the DC power on the power recep...

A secondary battery is provided and including a positive electrode; a negative electrode; and an electrolyte, wherein the secondary battery is operable to be subject to a low-temperature cycle, followed by high-temperature storage or a room-temperature cyc...

A cylindrical battery is provided and includes a columnar electrode body, a cylindrical battery can in which one end portion is opened and the electrode body is accommodated, and a current interrupt device provided at the one end portion. The current inter...