公开(公告)号：US09964507B2

公开(公告)日：2018-05-08

申请号：US15171758

申请日：2016-06-02

Applicant: Honeywell International Inc.

Inventor： Tripathy Sanjeeb ,  Abhilasha Srivastava ,  Raju Raghurama ,  Reddappa Reddy Kumbarageri ,  Srinivas S. N. Mutukuri

IPC: G01N27/12 ,  G01N33/00

CPC classification number: G01N27/125 ,  G01N27/127 ,  G01N33/0037 ,  Y02A50/245

Abstract: One example includes a sensor for sensing NOx, including an electrically insulating substrate, a first electrode and a second electrode, each disposed onto the substrate, wherein each of the first electrode and the second electrode has a first end configured to receive a current and a second end and a sensor element formed of nickel oxide powder, the sensor element disposed on the substrate in electrical communication with the second ends of the first electrode and the second electrode. In some examples, electronics are used to measure the change in electrical resistance of a sensor in association with NOx concentration near the sensor. In some examples, the sensor is maintained at 575° C.