Quality assessment of electric vehicle Li-ion batteries for second use applications

Provider

Ministry of Education, Youth and Sports

Programme

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Call for proposals

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Main participants

Český metrologický institut

Contest type

M2 - International cooperation

Contract ID

MSMT-26680/2018-4/8

Project name in Czech

Quality assessment of electric vehicle Li-ion batteries for second use applications

Annotation in Czech

1. To develop protocols for life cycle testing of different types of Li-ion battery cells and modules in terms of capacity, chemistry and geometry, at different temperatures, currents and cycling patterns. The life cycle tests will include both impedance based methods (e.g. EIS, EC, DRT, NFRA and TDM) and conventional methods e.g. open circuit voltage (OCV) measurement and current integration. 2. To develop validated impedance based measurement procedures to measure the residual capacity of Li-ion battery cells and modules with a target relative uncertainty of better than 3 %. In addition, to assess the feasibility of detecting the premature sudden death of Li-ion batteries based on impedance based measurements. 3. To establish traceable impedance measurements in the m and sub-m range in the full complex plane in the frequency range between 10 mHz and 5 kHz, with a target relative uncertainty of 1 %.This will include the development of low impedance standards with arbitrary phase angles and a calibration method for impedance meters. 4. To develop a validated protocol for the application to Li-ion battery modules of the traceable impedance measurements in the m and sub-m range in the full complex plane in the frequency range between 10 mHz and 5 kHz. 5. To facilitate the take up of the technology and measurement infrastructure developed in the project by the measurement supply chain (e.g. batteries manufacturers and the automotive industry) standards developing organisations (e.g. IEC-TC21 and input to IEC 62660 1) and end users (e.g. the transport sector).

R&D category

AP - Applied research

OECD FORD - main branch

20201 - Electrical and electronic engineering

OECD FORD - secondary branch

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OECD FORD - another secondary branch

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CEP - equivalent branches <br>(according to the <a href="http://www.vyzkum.cz/storage/att/E6EF7938F0E854BAE520AC119FB22E8D/Prevodnik_oboru_Frascati.pdf">converter</a>)

JA - Electronics and optoelectronics<br>JB - Sensors, detecting elements, measurement and regulation

Provider evaluation

U - Uspěl podle zadání (s publikovanými či patentovanými výsledky atd.)

Project results evaluation

Following the condition that the candidate of financial contribution was evaluated and afterwards selected by international provider in accordance with the rules of the program the MEYS does not realize the evaluation of project results. The project is evaluated only after its approval by an international provider.

Realization period - beginning

Sep 1, 2018

Realization period - end

Aug 31, 2021

Project status

U - Finished project

Latest support payment

Feb 8, 2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data delivery code

CEP22-MSM-8B-U

Data delivery date

Jun 27, 2022

Total approved costs

2,146 thou. CZK

Public financial support

1,125 thou. CZK

Other public sources

0 thou. CZK

Non public and foreign sources

1,021 thou. CZK