公开(公告)号：US20180031638A1

公开(公告)日：2018-02-01

申请号：US15220985

申请日：2016-07-27

Applicant: GM Global Technology Operations LLC

Inventor： SHUOQIN WANG ,  CHARLES W. WAMPLER ,  MARK W. VERBRUGGE ,  LUAN VU

IPC: G01R31/36

CPC classification number: G01R31/3651 ,  G01R31/3675

Abstract: A number of illustrative variations may include a method, which may include obtaining terminal voltage data of a electrochemical device; determining an equivalent circuit model which operates in a manner approximating the terminal voltage data comprising an open circuit voltage VOC comprising a constant voltage source V0 and a voltage Vs across a capacitor Cs, in series with an overpotential circuit comprising an overpotential voltage V1; determining at least one of the power capabilities of the equivalent circuit model; and, estimating at least one of the power capabilities of the electrochemical device based upon the determined power capabilities of the equivalent circuit model.

公开(公告)号：US20180074128A1

公开(公告)日：2018-03-15

申请号：US15265101

申请日：2016-09-14

Applicant: GM Global Technology Operations LLC

Inventor： SHUOQIN WANG ,  MARK W. VERBRUGGE ,  CHARLES W. WAMPLER, II

IPC: G01R31/36 ,  G01R31/00 ,  G02B6/02

CPC classification number: G01R31/382 ,  G01R31/007 ,  G01R31/374 ,  G02B6/02076

Abstract: A number of variations may include a product comprising: at least one sensor comprising an optical fiber comprising a first end comprising a semiconductor material, a second end, and a longitudinal midsection comprising a grating, wherein the sensor is constructed and arranged to provide measurements that derive both state of charge and temperature of an electrochemical device simultaneously.