Detection of Stationary Gaussian Noise Arising in Lithium Current Sources

This is an open access article distributed under the terms of Creative Commons Attribution 4.0 International License (CC-BY 4.0).

DOI: https://doi.org/10.18500/1608-4039-2018-18-1-3-7

The considered problem is a part of the general problem of fluctuation and noise studies of chemical current sources. The measurements were made on a chain of two identical elements, providing mutual compensation of the constant component. The recorded noise signal covered a range from 10 Hz to 1200 Hz. It was found that the analyzed signals are stationary Gaussian random noise with a nearly uniform spectrum. It is shown that the studied noises can be identified as Johnson noises arising from the resistive impedance of the chemical current source. The work carried out can be useful both for fundamental research of fluctuation-noise phenomena and for applied purposes of diagnostics of chemical current sources.

Authors:

Sirotinskii Yuriy Vladimirovich, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS, 31, Leninsky Ave, Moscow, 119071, yusirot@mail.ru

Abaturov M. A., Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS, 31, Leninsky Ave, Moscow, 119071, abatur@yandex.ru

Key words:

chemical current sources, electrochemical noises, fluctuating noise phenomena, Gaussian noise

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Journal issue:

2018. Т. 18, № 1,

Heading:

Lithium electrochemical systems

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