Postdoctoral Researcher in Solid-State Batteries - Micromechanical Modeling of Cells

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Job Responsibilities The next major leap in battery development is expected to be lithium solid-state batteries (SSB). This concept makes it possible to replace the highly flammable organic electrolyte in lithium-ion batteries with a safer and more compact solid electrolyte. As part of the Swedish state battery initiative COMPEL, which aims to support competence and excellence in battery research and education for the transportation sector, KTH is launching a coordinated initiative on composite-SSB with seven postdoctoral positions across multiple disciplines, focusing on different aspects along the battery value chain, from synthesis and cell manufacturing to characterization, modeling, and scaled production. The two-year postdoctoral project on Micromechanical Modeling and Mechanical Characterization of Contact, Interfaces, and Fracture in Solid-State Battery Cells is located at the Department of Engineering Mechanics (Division of Materials and Structural Mechanics) at the School of Engineering Science (SCI). In a solid-state cell, mechanics determines whether the cell functions: unlike a liquid electrolyte, a solid cell must build up and maintain every solid-solid contact under load, while ion insertion and extraction cause swelling and shrinkage, and interfaces between the active material, electrolyte, and current collector must maintain both adhesion and conductivity at the low stack pressures typical in real applications. The project develops a micromechanical modeling framework that resolves the cell at the particle and interface level and couples its mechanical state to its electrochemical performance, where interface delamination, fracture, and particle fragmentation are represented as the mechanisms that reshape the network of conductive contacts. The framework is validated against experimental data from COMPEL collaborations and delivers a design and operation map, including the cell's safe low-pressure window. The postdoctoral researcher will also contribute mechanical and structural characterization of materials and cells developed in the other projects. Qualifications Required A doctoral degree or foreign degree assessed as equivalent to a doctoral degree in solid mechanics, engineering mechanics, computational mechanics, materials science, engineering physics, or a related field, with some experience in batteries or battery materials. This qualification requirement must be fulfilled by the time the employment decision is made. Good knowledge of written and spoken English, as required in daily work. Good skills in computation and numerical modeling, including finite element methods or multiphysics simulation and scientific programming. Awareness of diversity and equal treatment issues with special focus on gender equality. Meriting At the time of the application deadline, no more than three years since the doctoral degree or foreign equivalent degree was awarded. Experience with solid-state or lithium-ion batteries and familiarity with the mechanics and characterization of battery materials and cells. Practical experience with coupled electro-chemo-mechanical modeling or phase-field modeling of fracture, contact and micromechanics for particle or composite materials, mechanical testing and X-ray tomography, and programming (e.g., Python, C++, or Fortran). Demonstrate an innovative mindset, creativity, and ability to work independently. Good ability to collaborate and ability and interest in working in a team. We will place great emphasis on personal qualities. Become Part of KTH KTH shapes the future through education, research, and innovation. As a leading international technical university, we play an active role in driving and contributing to the transition to a sustainable society. Here you have the opportunity to grow and develop at a creative and dynamic workplace with good working conditions and benefits. Equality, diversity, and equal opportunities are a quality issue and an integral part of KTH's values as a university and state authority. Read more about our benefits and what it is like to work and develop at KTH. Union Representatives Contact information for union representatives. Application You apply through KTH's recruitment system. As an applicant, you have primary responsibility for ensuring that your application is complete when submitted. The application must contain: CV including relevant work experience and knowledge. Copy of degree certificate and grades from previous university studies. Translations into English or Swedish if the original documents are not issued in a Western European language. A brief account of why you want to conduct research, your academic interests, and how they relate to your previous studies and future goals. Maximum 1 page. Contacts for reference persons or letters of recommendation. The application must be received by KTH no later than the application deadline at midnight, CET/CEST (Central European Time/Central European Summer Time). About the Employment The employment is permanent, but no longer than two years. A postdoctoral employment is a time-limited merit-based position primarily focused on research intended as a first career step after completing a doctoral degree. Other For information on the handling of personal data in connection with recruitment. An employment at KTH may be placed in a security classification. If this is the case for this particular position, a security screening of the applicant will be conducted in accordance with the Security Protection Act (2018:585) after consent. In such cases, a requirement for employment is that the applicant is approved after security screening. We decline direct contact from staffing and recruitment companies as well as sellers of job advertisements.Job Responsibilities The next major leap in battery development is expected to be lithium solid-state batteries (SSB). This concept makes it possible to replace the highly flammable organic electrolyte in lithium-ion batteries with a safer and more compact solid electrolyte. As part of the Swedish state battery initiative COMPEL, which aims to support competence and excellence in battery research and education for the transportation sector, KTH is launching a coordinated initiative on composite-SSB with seven postdoctoral positions across multiple disciplines, focusing on different aspects…

Přehled

Typ

job

Stav

active

Viditelnost

public

Město

Stockholm

Adresa

Teknikringen 8, plan 5

GPS

59.2877928, 18.0528391kopírovatotevřít v ▾

Email

Zobrazit e-mail

Zobrazení

7

Publikováno

8. 7. 2026

Upraveno

5. 8. 2026

Poloha

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