IAM - Materials- and Biomechanics
Oleg Birkholz

M. Sc. Oleg Birkholz

Research Interests
  • Electrochemical modeling of lithium-ion battery cells
  • Computation of effective transport properties in granular media
  • Development of scientific C++ codes for discrete element modeling

 

Career

11/2015 – present

Doctoral candidate, Institute of Applied materials – Materials and Biomechanics (IAM-WBM)

10/2012 – 09/2015

Engineering Structures (M.Sc.), Karlsruhe Institute of Technology (KIT)

10/2009 – 09/2012

Civil engineering (B.Sc.), Karlsruhe Institute of Technology (KIT)

 

Publications
  • O. Birkholz, M. Kamlah: Electrochemical modeling of hierarchically structured lithium-ion battery cathodes, Submitted for publication
  • O. Birkholz, et al.: Statistical investigation of structural and transport properties of densely-packed assemblies of overlapping spheres using the resistor network method, Powder Technology, vol. 378, pp. 659–666, 2021
  • O. Birkholz, Y. Gan, M. Kamlah: Modeling the effective conductivity of the solid and the pore phase in granular materials using resistor networks, Powder Technology, vol. 351, pp. 54–65, 2019

 

Conferences

Talks

  • O. Birkholz, J. Ott, M. Kamlah: Investigating the influence of the granular microstructure of a lithium-ion battery cathode on the effective conductivity of the solid and the pore phase using resistor networks, 3rd International Workshop on Mechanics of Energy Materials (IWMEM 2018), Madras (India), 19. – 22. November 2018
  • O. Birkholz, Y. Gan, M. Kamlah: Microstructural cathode design of lithium-ion batteries and its impact on the effective electronic and ionic conductivity using discrete element methods, Materials Science Engineering (MSE), Darmstadt (Germany), 26. – 28. September 2018
  • O. Birkholz, J. Ott, M. Kamlah: Influence of the electrode microstructure on the effective electronic and ionic conductivity of Lithium Ion Batteries using discrete element methods, 15th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 15), Aarau(Switzerland), 12. – 13. April 2018
  • O. Birkholz, J. Ott, M. Kamlah: Modeling the effective electrical conductivity of electrode structures in lithium-ion batteries using Discrete-Element-Methods, 2nd International Workshop on Mechanics of Energy Materials (IWMEM 2017), Suzhou (China), 8. – 11. November 2017
  • O. Birkholz, J. Ott, M. Kamlah: Modeling electrode structures of lithium-ion batteries using the Discrete-Element-Method, 1st International Workshop on Mechanics of Energy Materials (IWMEM 2016), Sydney (Australia), 14. - 15. November 2016

Poster

  • O. Birkholz, Y. Gan, M. Kamlah: Investigating the influence of high-conductive coatings on the effective conductivity of the solid phase of a lithium-ion battery cathode using resistor networks (Poster), 16th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 2019), Braunschweig (Germany), 12. – 13. March 2019
  • O. Birkholz, J. Ott, M. Kamlah: Modeling electrode structures of lithium-ion batteries: Influence of particle-size distribution on the performance (Poster), 14th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 14), Karlsruhe (Germany), 2. – 3. March 2017