Laurence Croguennec

Laurence Croguennec is a French chemist and electric battery inventor. She is a director of research for the French National Centre for Scientific Research (CNRS) and associate director of the Institute for Solid State Chemistry Bordeaux (ICMCB), a laboratory shared between CNRS and the University of Bordeaux.[1]

Research

Croguennec's research in solid-state chemistry and crystal chemistry focuses on materials for the electrodes of metal-ion batteries including lithium-ion batteries and sodium-ion batteries.[1] This work included the development of an early prototype rechargeable sodium-ion battery with a layered oxide of sodium and titanium as its negative electrode,[2] and has included the first transmission electron microscope images of individual lithium atoms.[3]

Education and career

Croguennec received a doctorate in 1996 from Nantes University, through research at the Institut des Matériaux de Nantes Jean Rouxel, a collaborative research institute of CNRS and Nantes University.[4]

After postdoctoral research at the University of Bonn in Germany, she became a CNRS researcher in 1997, affiliated with ICMCB. She became the head of a research group on materials for batteries there in 2004.[4]

Recognition

Croguennec was a 2025 recipient of the CNRS Silver Medal.[1] In 2025 the International Society of Electrochemistry gave her their ISE Prize for Electrochemical Energy Conversion and Storage of Division 3 in Honour of Bruno Scrosati, "for significant advancement of the understanding and development of lithium-, sodium-, and potassium-ion batteries, as well as all-solid-state systems with a strong focus on sustainability and future battery technologies".[5]

References

  1. 1 2 3 Médaille d'argent 2025 : Laurence Croguennec, une chercheuse passionnée par les matériaux pour les batteries du futur, CNRS, 16 June 2025, retrieved 2026-06-21
  2. ↑ Hellmans, Alexander (3 December 2015), "Here's a Peek at the First Sodium-ion Rechargeable Battery: Will sodium replace lithium as the material of choice for rechargeable batteries?", IEEE Spectrum, retrieved 2026-06-21
  3. ↑ "First lithium pictures could aid battery research", MIT News, 16 June 2003, retrieved 2026-06-21
  4. 1 2 "LAURENCE CROGUENNEC, Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB)", Executive Board members, Destiny MSCA Cofund PhD Programme, retrieved 2026-06-21
  5. ↑ ISE Award Winners 2025, International Society of Electrochemistry, 2025, retrieved 2026-06-21
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