28 September 2016 Wireless powering for electrochemical sensor
Author Affiliations +
Proceedings Volume 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016; 100311T (2016) https://doi.org/10.1117/12.2248623
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 2016, Wilga, Poland
Abstract
System of wireless energy supply for a electrochemical sensor is presented. As a first step, various theoretical models of the sensor were considered and a new model, proper for the application studied, was proposed to enable further design stages. In the experiment conducted, it was verified, that the sensor, working in an amperometric mode and in the presence of constant or quasi-constant voltage supply, could be electrically approximated as element of the constant impedance value. Given this, power-consumption was calculated for the sensor using Ohm’s law and the proof of concept device was fabricated to evaluate performance of the sensor under theoretically calculated conditions. The results obtained were comparable to the data previously recorded using conventional laboratory potentiostat. For verification of the resistive character of the sensor, chronoamperometric method was employed, with sensor’s response complying with the theoretical prediction for quasi-constant powering signal and being influenced only by major voltage changes. Calculated power consumption of the sensor was Pmax. = 18.23μW. Concerning sensor’s requirement for quasiconstant voltage, simple half-wave rectifier was designed that was connected to the antenna used for powering signal reception. In the second experiment, calibration of the sensor was performed, yielding sensitivity s = 2.03 μA/μmol/L and linear correlation coefficient ρ = 0.986 and thus confirming proper operation of the device in the conditions considered.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andrzej Peplowski, Daniel Janczak, Małgorzata Jakubowska, "Wireless powering for electrochemical sensor", Proc. SPIE 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 100311T (28 September 2016); doi: 10.1117/12.2248623; https://doi.org/10.1117/12.2248623
PROCEEDINGS
7 PAGES


SHARE
RELATED CONTENT

Smart cements: repairs and sensors for concrete assets
Proceedings of SPIE (March 27 2018)
Embeddable sensor for corrosion measurement
Proceedings of SPIE (February 01 1999)
System level approach to satellite instrument calibration
Proceedings of SPIE (September 01 2006)
Low-power wireless trace gas sensing network
Proceedings of SPIE (May 16 2011)
The tensile force sensor of diamond string bead wires and...
Proceedings of SPIE (December 31 2008)

Back to Top