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PhD Student Innovative Laser Beam Welding Technology Battery Production

Germany, Braunschweig · Job Posted August 30, 2025

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Job Description

PhD position focusing on innovative laser beam welding technology for battery production. The role involves systematic analysis of laser welding processes, developing methodologies for weld seam design, optimizing seam geometry through modeling and AI methods, and establishing correlations between bonding area and strength requirements in battery stacks.

Job Responsibility

  • Systematically selecting and designing laser welding technologies in the battery environment
  • Developing a methodology for designing weld seams based on requirements and enabling the transferability of results to other geometries and material alloys
  • Optimizing seam geometry through modeling and optionally integrating AI methods
  • Establishing correlations, such as between bonding area and strength requirements of laser weld seams in battery stacks
  • Considering FEM analysis of material behavior

Requirements

  • Good to very good university degree qualifying for doctoral studies in mechanical engineering, automotive engineering, physics, or a comparable qualification
  • Knowledge and experience in the field of laser welding technology (specifically: aluminum alloys), optionally laser welding expert or welding engineer
  • Materials expertise in the field of metallurgy, ideally welding or solidification processes
  • Knowledge of finite element modeling and phase field modeling
  • Knowledge of statistical experimental validation methods and test execution
  • Outstanding initiative, ability to work in a team, and structured approach to work
  • Outstanding communication and presentation skills
  • English language level B2 and German language level C1

What we offer

  • Attractive salary & 30 vacation days (+ 24.12. and 31.12. off)
  • 35-hour week, flexible working hours, remote work
  • Special conditions for the purchase and leasing of vehicles
  • Free seminars on scientific work and interdisciplinary qualifications
  • Participation in the doctoral network for scientific exchange with science representatives and other doctoral candidates within the Volkswagen Group

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