Postdoc in Electrochemical Impedance Spectroscopy and Advanced Signal Processing for Lithium-Io[...]

Offer Description At the Faculty of Engineering and Science, AAU Energy, a position as Postdoc in Electrochemical Impedance Spectroscopy and Advanced Signal Processing for Lithium‑Ion battery diagnostics is available from 1st of March 2026 (or as soon as possible thereafter) for a two‑year period. Lithium‑ion batteries are central to the global green transition, powering technologies ranging from electric vehicles to large‑scale energy storage systems. Despite their widespread use, these batteries are subject to complex and interconnected degradation processes that can significantly impact performance and lifetime. At the system level, degradation reduces both energy and power throughput, while at the fundamental level it originates from multiple root causes within the electrodes. This position offers a unique opportunity to investigate degradation mechanisms in depth using advanced analytics, signal processing, and frequency‑domain diagnostics based on electrochemical impedance spectroscopy (EIS). The overarching goal is to enable root‑cause identification of degradation through EIS‑based methodologies. Project Context The position is part of the REVIVE project, a highly multidisciplinary project funded by the European Research Council (ERC), exploring anti‑aging protocols to counteract degradation in lithium batteries. For this position, we seek an experienced EIS expert capable of performing precise EIS measurements and interpreting complex data using advanced post‑processing techniques (e.g., Distribution of Relaxation Times or DRT). The postdoc will also contribute to the development of an experimental setup for lithium‑ion battery testing integrated with an EIS system. Through design‑of‑experiment, the setup will be employed for controlled aging of the cells. Diagnostics and characterization will follow, including EIS data interpretation through advanced signal processing tools, as well as through post‑mortem analysis via scanning electron microscopy (SEM). The project also offers the opportunity to collaborate closely with multi‑domain experts within the REVIVEs team and other projects, as well as a range of stakeholders from a prestigious advisory board. This multidisciplinary and high‑visibility environment provides excellent opportunities for professional and career development. Your role You will: Contribute to the hands‑on development and operation of experimental battery test setups Perform regular controlled battery aging experiments and EIS characterisation Conduct advanced post‑processing of battery EIS data (e.g., using distribution of relaxation times) Collaborate with the rest of the team across projects on modelling, optimisation, and electrochemistry Contribute to high‑impact publications and knowledge dissemination in flagship forums. Your profile The ideal candidate holds a PhD in Electrical Engineering, Electrochemistry, Energy Systems, or a closely related field, preferably with a focus on batteries and EIS diagnostics. Preferred qualifications include: Practical and theoretical knowledge on electrochemical impedance spectroscopy Signal processing and optimisation skills for impedance data analysis Good hands‑on skills working with battery electrode setups and EIS instrumentation Familiarity with post‑mortem analysis (cell disassembly in glovebox) and characterisation with scanning electron microscopy is a plus Experience with computational tools such as MATLAB, Python or relevant tools Ability to work independently and collaboratively in a multidisciplinary team Excellent oral and written communication skills in English and a commitment to publishing in leading scientific venues What we offer A stimulating research environment with access to world‑class labs and computational facilities Close supervision and collaboration within a dynamic, visible (ERC‑funded), and international battery research team Opportunities for career development, including mentoring and support for developing independent research ideas Engagement in projects at the forefront of green energy transition and advanced battery technology Qualification requirements Appointment as postdoc requires academic qualifications at PhD level. Who we are AAU Energy is a dynamic and internationally oriented research department at Aalborg University, dedicated to developing clean and sustainable energy systems. Our research spans electrical, thermal, and mechatronic energy technologies, and we work closely with industry and academic partners to address real‑world energy challenges. The department is located in both Aalborg and Esbjerg, and this position is based at the Aalborg campus. We offer advanced laboratory and workshop facilities, and a collaborative environment that supports innovation, knowledge sharing, and professional development. Aalborg University wants to reflect the surrounding society and has diversity as a core value. Therefore, everyone, regardless of personal background and orientation, is encouraged to apply for the position. How to apply Your application must include the following: Application, stating reasons for applying, qualifications in relation to the position, and intentions and visions for the position Diplomas (master's degree diploma and PhD diploma) List of publications, with an indication of the attached publications that you wish to be taken into account in the assessment. You may attach a maximum of ten publications. Dissemination qualifications, including participation on committees or boards, participation in organisations etc. Additional qualifications in relation to the position References/recommendations You can read more about the requirements for your application here . The application must be submitted via Aalborg University’s recruitment system, which can be accessed under the job advertisement on Aalborg University’s website. Do you have any questions? If you have any questions about the position, you are more than welcome to contact us. For professional information, please contact Associate Professor Farshid Naseri, Other questions, please contact HR AAU Energy: Further information Read more about our recruitment process here The appointment process at Aalborg University involves a shortlisting process. You can read more about the shortlisting and appointment process here . The hiring process at Aalborg University may include a risk assessment as a tool to identify potential risks associated with new hires, ensuring the safety, compliance, and integrity of the workplace. #J-18808-Ljbffr