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Aalborg University

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PhD in In-Operando Diagnostics of Li-ion and Post-Li-ion Batteries Using Acoustic Technology Aalborg University in Denmark

Degree Level

PhD

Field of study

Computer Science

Funding

PhD stipend position at Aalborg University for 3 years, full-time, with salary and terms according to Danish university collective agreements. The post is open for appointment from 15 November 2026 or soon thereafter.

Deadline

Oct 30, 2026

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Country

Denmark

University

Aalborg University

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Keywords

Computer Science
Signal Processing
Electrical Engineering
Materials Science
Energy Engineering
Acoustic Sensing
Li-ion Battery
Mechatronics
Physics
Ultrasonic

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About this position

PhD opportunity at Aalborg University (AAU Energy), Denmark in in-operando diagnostics of Li-ion and post-Li-ion batteries using acoustic technology.

The project sits in the research group Batteries and the section for Power Electronics Systems Integration and Materials. It focuses on battery ageing, acoustic emissions, ultrasound-based sensing, electrical characterisation, signal processing, and physics-validated modelling for diagnostics. The goal is to build a mechanistic understanding of how degradation mechanisms affect acoustic signals and to develop an acoustic-based diagnostic method for both Li-ion and post-Li-ion chemistries.

You will review the state of the art, design and build an acoustic sensing setup for coin cells, run degradation tests across operating conditions, analyse acoustic and electrical signatures, and develop a model/algorithm targeted to outperform conventional impedance-based estimation. Experimental work is mainly at coin-cell level, with a proof of concept at single-layer pouch-cell level.

Eligibility highlights: applicants must hold an M.Sc. in electrical engineering, energy engineering, or mechatronics. Experience with battery testing, acoustic/ultrasonic sensing, laboratory instrumentation, and signal processing/data-driven modelling (MATLAB or Python) is an advantage. PBL experience is required, and strong English skills are necessary; Danish is desirable but not mandatory.

Funding and duration: this is a full-time PhD stipend for 3 years, with salary and employment terms under Danish university agreements. The position is open from 15 November 2026 or soon after.

Deadline: 30 October 2026. Apply through Aalborg University’s recruitment system and include your motivation letter, CV, diplomas, and other relevant documents.

Funding details

PhD stipend position at Aalborg University for 3 years, full-time, with salary and terms according to Danish university collective agreements. The post is open for appointment from 15 November 2026 or soon thereafter.

What's required

Applicants must hold an M.Sc. degree in electrical engineering, energy engineering or mechatronics. Experience with electrical characterisation of batteries, acoustic or ultrasonic sensing and laboratory instrumentation, and signal processing and data-driven modelling (e.g. MATLAB or Python) is an advantage. Experience with Problem Based Learning (PBL) is required because the PhD student will supervise BSc and MSc projects. Strong written and spoken English is required; Danish language skills are highly desirable but not mandatory. The candidate must be eligible for enrolment as a PhD student at the Doctoral School of Engineering and Science and complete 30 ECTS, teaching/dissemination activities, and an external research stay.

How to apply

Prepare an application with a motivation letter, CV, diplomas for bachelor’s and master’s degrees including grades, and any other relevant documents. Submit the application through Aalborg University’s recruitment system via the job advertisement on the university website. Contact the listed persons if you have questions.

More information can be found here

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