Spirally wound electrolytic cell and method for its winding
Spirally wound secondary battery with uneven termination end...
Spirally-rolled electrodes with separator and the batteries...
Spirally-wound lithium secondary cell having a plurality of...
Square shaped battery
Storage battery with laminated battery element
Storage cell having an alkaline electrolyte, in particular a sto
Strap for thin metal film battery
Structure of an electrode of a secondary battery