Patent ID: 8134333
Filing Date: 2012-03-13
Classification: B60L,H01G,H01M,Y02E,Y02T

Abstract:
1. A battery and ultracapacitor device for use in a vehicle, comprising: (a) a positive electrode; (b) a first negative electrode having a first composition and a first internal resistance, the first negative electrode communicating with the positive electrode; (c) a second negative electrode having a second composition and a second internal resistance the second negative electrode being adjacent the first negative electrode and communicating with the positive electrode and the first negative electrode; (d) a first separator disposed between the positive electrode and the first and second negative electrodes, and (e) a controller communicating with the positive electrode, and the second negative electrode, wherein in the first negative electrode comprises a secondary battery negative electrode and the second negative electrode comprises an ultracapacitor negative electrode.