The present invention provides a rechargeable battery including an electrode assembly performing charges and discharges, a case housing the electrode assembly, a cap plate closing and sealing the case, a terminal mounted on the cap plate and electrically c...

The present invention relates to a negative electrode active material for a lithium secondary battery, a preparation method thereof, and a lithium secondary battery containing the negative electrode active material. The negative electrode active material f...

The motor vehicle electrical system power supply device has an accumulator with several accumulator cells (Z1-Z6) connected in series. At least one dual layer capacitor (C1-C6) is connected in parallel with each accumulator cell or in parallel with two acc...

A battery frame of the present invention has; any one of a conductive member and an insulating member which are sandwiched between electrode tabs of flat cells arranged in a stacking direction when a battery is formed, the conductive member electrically co...

To provide a high capacity thin- type secondary battery suitably formed into a module and having no thickness fluctuation, excellent quality stability, and excellent heat radiation properties, by using a sheet-like separator having expansion anisotropy due...

An insulator ring for preventing short circuit contact between the opposite polarity electrode in a case-terminal cell design is described. Typically, a lithium/silver vanadium oxide cell is built in a case-negative design with the casing serving at the ne...

A non-aqueous electrolyte secondary battery comprises: a positive electrode sheet comprising a positive electrode mixture containing a lithium-containing transition metal oxide as an active material and a particulate binder; a negative electrode sheet comp...