Back to results
US 2014/0368158 A1Published application
Hybrid battery system
AssigneeA123 Systems, Inc.
InventorsViet Vu, Michael R. Wixom
Life of this patent
Estimating the term…
Abstract
A rechargeable, hybrid battery system incorporates a high power battery component and a high energy density battery component. The voltage of the high energy density battery varies as a function of its state of charge, but remains greater than the voltage of the high power battery throughout the operating range of the battery system.
Claims17
A hybrid, rechargeable battery system comprising:
- a high power battery and a high energy density battery which are connected in a parallel electrical relationship, wherein the open circuit voltage of said high energy density battery is greater than the open circuit voltage of said high power battery up to at least an 80% degree of discharge.
Dependencies are inferred from the claim text.