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Title: Device, system, and method for measuring internal impedance of a test battery using frequency response

Abstract

Battery impedance testing devices, circuits, systems, and related methods are disclosed. An impedance measurement device includes a current driver configured to generate an excitation current signal to be applied to a test battery responsive to a control signal, and a processor operably coupled with the current driver. The processor is configured to generate the control signal during an auto-ranging mode and a measuring mode. The auto-ranging mode applies the excitation current signal to the test battery over a plurality of different amplitudes to measure a response to the excitation current signal at each amplitude. The measuring mode applies the excitation current signal to the test battery for an amplitude responsive to the results of the auto-ranging mode. Improved sensitivity and resolution may be achieved for low impedance batteries with a rapid measurement time.

Inventors:
; ;
Issue Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1568576
Patent Number(s):
10,345,384
Application Number:
15/060,183
Assignee:
Battelle Energy Alliance, LLC (Idaho Falls, ID)
DOE Contract Number:  
AC07-05ID14517
Resource Type:
Patent
Resource Relation:
Patent File Date: 03/03/2016
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 42 ENGINEERING

Citation Formats

Christophersen, Jon P., Morrison, William H., and Morrison, John L. Device, system, and method for measuring internal impedance of a test battery using frequency response. United States: N. p., 2019. Web.
Christophersen, Jon P., Morrison, William H., & Morrison, John L. Device, system, and method for measuring internal impedance of a test battery using frequency response. United States.
Christophersen, Jon P., Morrison, William H., and Morrison, John L. Tue . "Device, system, and method for measuring internal impedance of a test battery using frequency response". United States. https://www.osti.gov/servlets/purl/1568576.
@article{osti_1568576,
title = {Device, system, and method for measuring internal impedance of a test battery using frequency response},
author = {Christophersen, Jon P. and Morrison, William H. and Morrison, John L.},
abstractNote = {Battery impedance testing devices, circuits, systems, and related methods are disclosed. An impedance measurement device includes a current driver configured to generate an excitation current signal to be applied to a test battery responsive to a control signal, and a processor operably coupled with the current driver. The processor is configured to generate the control signal during an auto-ranging mode and a measuring mode. The auto-ranging mode applies the excitation current signal to the test battery over a plurality of different amplitudes to measure a response to the excitation current signal at each amplitude. The measuring mode applies the excitation current signal to the test battery for an amplitude responsive to the results of the auto-ranging mode. Improved sensitivity and resolution may be achieved for low impedance batteries with a rapid measurement time.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {7}
}

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