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:
Feb. 05, 2019
Filed:
Dec. 21, 2015
Msa Technology, Llc, Cranberry Township, PA (US);
Towner Bennett Scheffler, Butler, PA (US);
MSA Technology, LLC, Cranberry Township, PA (US);
Abstract
A method of operating an electrochemical gas sensor, which includes at least one working electrode including an electrocatalyst and having a ratio of total electrochemically accessible surface area to geometrical surface area of at least 2:1, includes alternatively biasing a potential of the at least one working electrode to a first potential at which the electrocatalyst is active to catalyze a redox reaction of a first target gas and to a second potential, different from the first potential, at which the electrocatalyst is substantially inactive to catalyze the redox reaction of the first target gas, a plurality of times, measuring a first output signal arising from the redox reaction of the first target gas at the first potential, and deconvoluting the first output signal while the at least one working electrode is biased at the first potential to separate a portion of the first output signal arising from non-faradaic current to determine a concentration of the first target gas.