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Identifying degradation of lithium-sulphur batteries using acoustic emissions

Identifying degradation of lithium-sulphur batteries using acoustic emissions

Replacement of lithium-ion (Li-ion) batteries with lithium-Sulphur (Li-S) batteries has widely been explored today,considering the substantial advantages of Li-S batteries. NORCE Norwegian Research Centre AS in-collaboration with WPC Wireless Power and Communication AS propose to use acoustic emission (AE) sensors to study the degradation associated with Li-S batteries as it can be used to study internal failures and also the charging-discharging cycle. AE is a phenomenon creating elastic waves in material due to mechanical stress needed to be sampled at high frequency (20kHz-2MHz) that can be monitored to study failure, wear and degradation mechanisms at microscopic level in components, and can also be used to identify multiple failure modes simultaneously.

Through this project, we aim to address the following knowledge gap:

a) Determining AE features that can be used to study charging-discharging cycle of Li-S batteries.

b) Determining AE features that can be used to detect leakage of material from cathode in Li-S batteries.

c) Integrate the control area network (CAN bus) with battery management system (BMS) of Li-S battery and with wireless inductive charging facility

Contact

Vignesh Vishnudas Shanbhag

Senior Scientist - Bergen

vigs@norceresearch.no
+47 973 60 879

Project facts

Name

Identifying degradation of lithium-sulphur batteries using acoustic emissions

Status

CONCLUDED

Duration

01.08.22 - 31.07.23

Location

Grimstad

Total budget

500.000 NOK

Research areas

Research group

Funding

Regional research fund Agder

Prosjekteier

NORCE

Project members

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Contact

Postal Address: P.O.B 22 Nygårdstangen
NO-5838 Bergen

E-mail: post@norceresearch.no

Phone: +47 56 10 70 00

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