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.