Patent ID: 7580245
Filing Date: 2009-08-25
Classification: B60K,H01G,H01M,Y02E,Y02T

Abstract:
1. A capacitor device containing a plurality of capacitors, each of the capacitors comprising a capacitor element having a positive electrode and a negative electrode in a confronting arrangement through a separator, and a metal case containing the capacitor element and an electrolyte, the plurality of capacitors comprising a plurality of first capacitors, each using the metal case as a negative electrode thereof, and a plurality of second capacitors, each using the metal case as a positive electrode thereof, wherein each of a plurality of capacitor units is formed by one of the first capacitors and one of the second capacitors with their metal cases coupled together through a metal plate, each of a plurality of subunits is formed by a plurality of the capacitor units connected in any of series and parallel, and a main unit of the capacitor device is formed by the plurality of subunits connected in any of series and parallel.