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HiStructures

Production of high capacity, hierarchical structured Electrodes

HiStructures

Project Information:

  • 3 years (01.10.2019 - 30.09.2022)
  • BMBF (03XP0243B)
  • Funding: 1.13 Mio € (TUBS)
  • Total Project Volume: 4.65 Mio €

Project Partner:

  • Ifs, InES, ZSW
  • KIT-TFT / KIT-wbk
  • DLR / HIU
  • Uni Ulm

Motivation

The aim of the "HiStructures" project in the ProZell Cluster is to increase the performance of lithium-ion cells while at the same time saving material and manufacturing costs in order to create the conditions for a large-scale battery production in Germany. The project focuses on the combination of the expertise of process engineering working groups with the well-founded know-how of researchers in the field of electrochemical and structure-based simulation and modelling of batteries.

 

Project description

The project focuses on the development of concepts for the continuous and cost-effective production of ultra-thick, double-sided, high-energy electrodes. The greatest challenge in the production of very thick electrodes is to achieve high homogeneity, mechanical stability, good adhesive properties and high elasticity as well as a correspondingly long service life. Moreover, HiStructures is investigating various process-based hierarchical structuring concepts and their combination with each other (e.g. active material blends, gradient electrodes, multi-layer coating). In addition to practical work, the focus is on the combination of process engineering and simulation. The simulations help to determine the optimal structure of the electrodes and to identify and minimize loss mechanisms in battery operation. If successful, it would be possible to produce improved electrodes with a higher production throughput and thus lower costs. Finally, the further development of the process up to pilot scale will provide a comprehensive understanding of the process-structure-property relationships as well as the necessary know-how for the transfer into industrial production.


Contact:

Laura Gottschalk
l.gottschalk(at)tu-braunschweig.de

Nanny Strzelczyk
n.strzelczyk(at)tu-braunschweig.de

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