The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2013
Filed:
Apr. 17, 2012
Ricardo Fulop, Lexington, MA (US);
Yet-ming Chiang, Framingham, MA (US);
Karen E. Thomas-alyea, Arlington, MA (US);
William H. Gardner, East Freetown, MA (US);
Ricardo Fulop, Lexington, MA (US);
Yet-Ming Chiang, Framingham, MA (US);
Karen E. Thomas-Alyea, Arlington, MA (US);
William H. Gardner, East Freetown, MA (US);
A123 Systems LLC, Livonia, MI (US);
Abstract
A battery management system includes one or more lithium ion cells in electrical connection, each said cell comprising: first and second working electrodes and one or more reference electrodes, each reference electrode electronically isolated from the working electrodes and having a separate tab or current collector exiting the cell and providing an additional terminal for electrical measurement; and a battery management system comprising a battery state-of-charge monitor, said monitor being operable for receiving information relating to the potential difference of the working electrodes and the potential of one or more of the working electrodes versus the reference electrode.