AMELIE - Advanced Fluorinated Materials for High Safety, Energy and Calendar Life Lithium Ion Batteries
Overview
Background & policy context:
This project concerned the development of high performance, safe and durable Lithium (Li) batteries.
Objectives:
The objective was the development of fluorinated electrolyte/separator and binders in combination with active electrodes (anode LiC6 and cathode LiNixMn2-xO4 - 4,7V) for high performance, safe and durable Li batteries.
The main deliverables of the project were the development of cell prototypes capacity 10Ah on which performance assessment would be conducted. The AMELIE prototype performances would be assessed towards the following objectives for EV and PHEV applications:
- High specific energy: cells 200 Wh/kg;
- Improved life time: 1000 cycles, 80% DOD for EV applications;
- High calendar life: 10 years;
- High recyclability/recovery/reuse: battery components 85% recycled;
- Improved competitiveness.
The utilisation of higher performing "inactive" organic materials (polymers and ionomers) will enable the reduction of the amount of the same materials, while increasing the energy and power densities of the battery and consequently decreasing the cost per kWh of the final battery. In addition, the reuse of the components will contribute to the cost reduction of the battery. To this end, a complete Life Cycle Analysis of the new battery components has been performed.
Methodology:
To take up these challenges, academic and private organisations partnered up in the AMELIE consortium. As the developments in this field are extremely interconnected, improved Lithium ion batteries for the automotive sector could only be manufactured by the synergistic optimisation of all their components: active materials and binders for electrodes, gel polymers, lithium salts and solvents for the ionic conductors. Although innovative materials are a key lever of such improvements, the cell design will be essential for both improved performance and safety.
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