A power storage device includes positive electrodes, negative electrodes separators each of which is located between a positive electrode and a negative electrode and insulates the positive electrode and the negative electrode from each other, and an elect...

This invention relates to the formation of standby structural composite electrical energy storage devices, and a method of producing same. The device may be a standby battery or supercapacitor with first and second electrodes which are separated by a separ...

An energy storage device comprising at least one negative electrode, wherein each negative electrode is individually selected from (i) an electrode comprising negative battery electrode material; (ii) an electrode comprising capacitor electrode material; (...

The present invention relates to an amorphous anode active material, a preparation method of an electrode using the same, a secondary battery containing the same, and a hybrid capacitor, wherein the amorphous anode active material according to the present ...

A lead-acid battery comprising: - at least one lead-based negative electrode; - at least one lead dioxide-based positive electrode; - at least one capacitor electrode; and - electrolyte in contact with the electrodes; wherein a battery part is formed by th...

A method for manufacturing electrical components of the energy-accumulating electrostatic or electrochemical type, consisting in winding at least two layers (2a, 2b) of a film (3) on a support (4) made of an electrically nonconducting material that has a s...