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Project 4-5
  • Material recovery
    • Project 4-1
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    • Project 4-5

Project 4-5

Recycling nanomaterials from next-generation rechargeable batteries

Host institution:
Leibniz University Hannover, Institute for Solid State Physics

Lin Zhang

Supervision:
First supervisor: Prof. Dr. Lin Zhang, Institute for Solid State Physics of Leibniz University Hannover, lin.zhang(at)fkp.uni-hannover.de

Second supervisor: Prof. Dr.-Ing. Arno Kwade, Institute for Particle Technology of TU Braunschweig

Frederik Bettels

PhD candidate:
Frederik Bettels, Institute for Solid State Physics of Leibniz University Hannover, frederik.bettels(at)fkp.uni-hannover.de

Project introduction:

Project_4-5

Tremendous progress has been made in developing nanomaterials-based rechargeable batteries (lithium-ion, lithium-sulfur, lithium-metal, etc.) in recent decades. Development of different kinds of nanomaterials have substantially improved the battery performances. To date, however, very little attention has been given to recycling the nanomaterials in the end-of-life next-generation batteries. We aim to tackle this significant challenge and therefore to develop a proactive thinking in this new field.

Specific objectives:

  • Development of high-performance lithium-ion batteries based on recycled silicon nanomaterials
  • Investigation of performance decay in batteries based on recycled nanomaterials
  • Development of technologies that can efficiently extract lithium ions and remove solid electrolyte interphase in recycled battery electrodes
  • Establishment of workflows for recycling nanomaterials from emerging batteries, such as lithium-sulfur batteries.

Expected outcome:

  • obtain a deep understanding of how the performances of nanomaterials decay in batteries
  • show the important possibility of recycling used nanomaterials from end-of-life batteries
  • establish a general protocol which can be applied to other nanomaterial systems
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