IMPROVED DEVICE OF ENERGY ACCUMULATION Russian patent published in 2012 - IPC H01M10/06 H01M10/36 

FIELD: electricity.

SUBSTANCE: according to the invention, an energy accumulation device comprises at least one negative electrode, besides, each negative electrode is separately chosen from the following: (i) an electrode containing a material of a negative battery electrode; (ii) an electrode containing a material of a capacitor electrode; (iii) a mixed electrode containing either a mixture of materials of a battery electrode and a capacitor electrode or a section of a battery electrode material and a section of a capacitor electrode or their combination, besides, the energy accumulation device comprises either at least one electrode of the (iii) type or at least one electrode of each of (i) and (ii) types, at least one positive electrode, besides, the positive electrode contains a material of a positive battery electrode and an additive increasing charging capacity, such as one additive or a mixture of a carbon nanomaterial, a carbon fibre grown from vapours, fullerene or their mixture and conducting materials based on stannum oxide.

EFFECT: increased service life.

33 cl, 25 dwg, 3 tbl, 11 ex