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SPICY - Silicon and polyanionic chemistries and architectures of Li-ion cell for high energy battery

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EGVIA - ERTRAC 1st European Conference Results from Road Transport Research in H2020 projects
29 November 2017 to 30 November 2017
Brussels

Published in: Automotive
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SPICY - Silicon and polyanionic chemistries and architectures of Li-ion cell for high energy battery

  1. 1. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Silicon and Polyanionic chemistries and architecture of Li-ion cell for high energy battery Willy Porcher – CEA-Liten
  2. 2. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Materials Material Process Li-ion cells Test & Modelling Materials Material Process Li-ion cells Recycling TRL 2-4 TRL 4-6 Silicon and Polyanionic chemistries and architecture of Li-ion cell for high energy battery Total budget: 7 250 000 €
  3. 3. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Silicon and Polyanionic chemistries and architecture of Li-ion cell for high energy battery H2020-GV-1-2014: Next generation of competitive Li-ion batteries to meet customer expectations Challenge 1: Improvement of Li-ion battery performances by demonstrating industrial scale prototypes improving cell-level energy densities by at least 20% Challenge 2: reduction of battery pack and system cost by 20% Objectives Topic area Objective 1: Improving the energy density of cathode active material à 600 Wh.kg-1 Materials chemistry Objective 5: Identification of the best Li-ion cell architecture to meet end-users specifications à wound/stacked electrodes cylindrical/prismatic soft/hard packaging Architecture & packaging Objective 6: To develop test procedure to improve knowledge on ageing mechanism in order to provide input on cell design and materials properties à Standardization Understanding
  4. 4. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Objective 5: Identification of the best Li-ion cell architecture to meet end-users specifications Assembly of representative cells for PHEV with a reference generation (LiFePO4 / graphite) with the same electrodes / electrolyte / conditioning step to compare the cell architectures 45°C 5°C - ≠ C-rate in charge Test of 114 cells with different cycling, ageing conditions and abusive tests à publication ongoing
  5. 5. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Objective 5: Identification of the best Li-ion cell architecture to meet end-users specifications Incremental capacity analysis and post-mortem analysis à publication ongoing Assembly of representative cells for PHEV with a reference generation (LiFePO4 / graphite) with the same electrodes / electrolyte / conditioning step to compare the cell architectures
  6. 6. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Objective 6: To develop test procedure to improve knowledge on ageing mechanism in order to provide input on cell design and materials properties 3 different sub-models at electrode level, current collector level and cell level to simulate the cell behavior at 3C rate to define the cell optimum design (electrode loadings & porosities) Definition of the cell optimum design à publication ongoing
  7. 7. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 LCA and LCC tools LCA and LCC tool joint development
  8. 8. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Objective 1: Improving the energy density of cathode active material Synthesis of LiFexMn1-xPO4 material by keeping the safety and power capabilities of the LiFePO4 but increase the energy density from 500 Wh.kg-1 to 600 Wh.kg-1 Solid route synthesis has been selected and 55% of Mn is the optimum Mn/Fe ratio LiMPO4 à Li+ + e- + MPO4 C/10 5C LiFePO4 520 425 Wh/kg LFMP 55%Mn 601 440 Wh/kg Δ +15.6 +3.5 %
  9. 9. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Objective 6: To develop test procedure to improve knowledge on ageing mechanism in order to provide input on cell design and materials properties 3 different sub-models at electrode level, current collector level and, cell level to simulate the cell behavior at 3C rate to define the cell optimum design (electrode loadings & porosities) Energy density +23 % at cell level (3C) with LFMn0.55P Mn>0.6 Mn=0.55
  10. 10. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Generations & Results of SPICY Gen1: LFP/G 140Wh/kg (PHEV) Gen2: LFP-NMC/G 165Wh/kg (PHEV) Gen3: LFP-NMC/G-Si 190Wh/kg (PHEV) Prototyping of new cell (LFP/G - 400mAh) Optimized Graphite + H2O cathode formulation + Carbonate electrolyte LFP-NMC material + 4.5V cut-off in charge + Carbonates & FEC additive Silicon material + 4.5V cut-off in charge + Carbonates & blend additives Protective and light packaging + Flexible integrated connector Gen0: LFP/G 130 Wh/kg 4x30 cells of 17Ah 110 Wh/kg PHEV design 2x20 cells 17Ah 128 Wh/kg 1000 cycles 2x20 cells 22Ah 170 Wh/kg (expected 01/2018) 2x20 cells 2Ah 160 Wh/kg Tests ongoing 500 cycles 80% Q0 – 45°C 100% DOD – 2C
  11. 11. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Project Achievements at M31/39 Indicator Units used Project reference Project objective Current achievements Cathode active material Wh/kg 520 600 601 (TRL4) Graphite cyclabilty 100% DoD – 25°C cycles 700 > 1000 3000 (TRL5) Si anode 1st irreversible capacity % X 10 14 (TRL5) Cell energy density LFP/G Wh/kg 110 140 128 (TRL5) LFMP/G 165 Ongoing LFMP/G-Si 190 160 (TRL5) To improve knowledge on ageing mechanism Submitted Current norms Standardization impact White paper ongoing to standardization committees Publications Submitted X 20 7 Material at demonstration level T/y X 15-20 0
  12. 12. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 Indicator Units used Project reference Project objective Current achievements Types of vehicles Energy density Wh/kg 110 200(1) - 250(2) 160(4) PHEV Wh/L 216 350(1) - 500(2) 405(4) Power density W/kg 590 1500(1) - 3500(2) 2000(4) Cycle life 100% DOD 25°C Cycles >80% SOH 700 1500(1-3) - 3500(2-3) 250(1-4) 3000(3) Ongoing Cost €/kW 500 € 350-400 Ongoing General Achievements at M31/M39 1: Based on project objectives in the DoA 2: Based on project objectives from the IAB 3: Results obtained with Graphite anode (Gen-1) 4: Results obtained with Graphite-Silicon anode (Gen-3)
  13. 13. This project has received funding from the [European Union’s Horizon 2020 research and innovation programme under grant agreement No 653373 THANK YOU for your ATTENTION http://www.spicy-project.eu Workshop 19th of April with FiveVB & eCaiman

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