Dr. Johan Hjelm

Professor

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Biography

Johan Hjelm is a Professor and the Head of Section at the Technical University of Denmark (DTU), specializing in Electrochemical Materials. His primary research focuses on electrochemical energy conversion and storage, including the study of electrode and electrolyte materials for batteries, redox flow batteries, and organic energy materials. Hjelm's work encompasses physical processes, performance metrics, and lifetime limiting effects in electrochemical energy systems. He is actively engaged in projects related to advancing battery energy storage systems and has supervised multiple PhD candidates in related fields. Hjelm also contributes to the UN Sustainable Development Goals through his research endeavors. His expertise includes molecular electrochemistry and electrochemical impedance spectroscopy, aiming to enhance the understanding of these energy systems.

Research Interests

Experience

Professor

2015-01-01 — Present

Technical University of Denmark • Kgs. Lyngby, Denmark

Leading research in electrochemical materials and energy systems.

Awards

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Bright Idea Award

2025-11-05

Requirements for Technical University of Denmark

Master Program
Requirements
GPA Requirement
Required:3
IELTS
Listening
Required:6.5
Reading
Required:6.5
Writing
Required:6.5
Speaking
Required:6.5
Overall
Required:6.5
TOEFL
Listening
Required:20
Reading
Required:20
Writing
Required:20
Speaking
Required:20
Total
Required:88
Prerequisites
Bachelor of Science in Engineering or equivalent Strong background in Mathematics and Physics
Application Checklist
  • Official Bachelor's degree diploma
  • Official transcripts of records
  • Statement of purpose
  • Curriculum Vitae (CV)
  • Documentation of English proficiency
  • Copy of passport
Specialization Notes

This requirement applies generally across Technical University of Denmark (DTU) MSc programs including Computer Science, Applied Mathematics, and Engineering disciplines. Specific prerequisites vary by department/curriculum.