Download presentation
Presentation is loading. Please wait.
Published byBrett Black Modified over 9 years ago
1
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Synthesis and optimization of electrolyte of Li-air cells David Amantia Christophe Aucher LEITAT STABLE kick-off meeting Torino - October 25 th - 26 th, 2012
2
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Summary Overview o Overall goals o Workplan o Deliverables o Milestones
3
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Overview Information available from page 6 to 51 of Annex I Work package numberWP 3Start date or starting event: M32 Work package titleSynthesis and optimization of electrolyte of Li-air cells Activity TypeRTD Participant id POLITO LEITAT LUREDERRA IVF UCC SAU CEGASA ELAPHE Person-months per beneficiary: 1420600862 Start date or starting event: M1 End date: M32
4
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Summary oOverview Overall goals o Workplan o Deliverables o Milestones
5
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Overall goals Information available from page 6 to 51 of Annex I Objectives - Synthesis and characterization of stable electrolyte with low viscosity and high oxygen solubility to increase the discharge current density. - Synthesis, characterization and evaluation of the performance of the electrolyte with different additives in terms of their effect to volatility, viscosity and conductivity of electrolyte. - Determination of the most suitable lithium air battery materials and technology for the use in EVs.
6
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Summary oOverview o Overall goals Workplan o Deliverables o Milestones
7
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Workplan Information available from page 6 to 51 of Annex I Work will be focused on: - the preparation/characterization of IL/solvent/additives/salt melts - studies on SEI - Optimization of PC/EC/DEC/DMC melts - Build new ILs by ions exchange from conventional RTILs or other precursors. - Additives for by-products and oxygen solubility Challenge = reach the best ratio between: Conductivity (& viscosity, temperature) ↑ Solvent evaporation Electrolyte quantity Oxygen & by-product solubility ↑ Water content ↓, Hydrophobicity ↑ Electrochemical windows ↑ Stability (cycling) ↑ Safety ↑
8
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Workplan Information available from page 6 to 51 of Annex I Task 3.1: Synthesis and optimization of room temperature ionic liquids (RTILs) or combinations solvents properties for the aim of obtaining good performance electrolyte solvents (Month 1- Month 32, POLITO (14 MM), LEITAT (12 MM) and CEG (6 MM)). Task 3.2: Investigation on influence of aprotic additives to RTILs on properties and oxygen solubility etc. (Month1- Month 32, 8MM, SAU). Task 3.3: Investigation and evaluation of physical properties of RTILs and the optimum filling amount of electrolyte (Month 1- Month 32, LEITAT (8MM), LUREDERRA (6MM), Elaphe (2MM)) Milestones (M7, M8, M9) Deliverables (D3.1, D3.2, D3.3)
9
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Summary oOverview o Overall goals o Workplan Deliverables o Milestones
10
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Deliverables Information available from page 6 to 51 of Annex I TitleDescriptionDate D1.1Electrolyte solvent synthesis and optimization (I): Report on description of preparation and characterization of lithium air battery electrolytes: 1) Preparation and characterization of salt and different compositions of ionic liquids with physical and chemical specifications 2) Preparation and characterization of suitable additives or fillers to RTILs 3) Investigation of suitable conditions for electrolyte such as filling amount and environment impact specifications such as temperature and pressure etc. M12
11
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Summary oOverview o Overall goals o Workplan o Deliverables Milestones
12
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Milestones Information available from page 6 to 51 of Annex I Milestone number: 3 Milestone name: MS7, MS8, MS9 Lead beneficiary: LEITAT Delivery date: M12, M24, M32 STABLE Annex1: Description of work – 2012-03-26 Realization of electrolyte with: (1)water content < 2% (Karl Fisher, TG), (2) electrochemical windows between 2 to 4.3V versus Li. (1) Realization of suitable additives of RTILs; (2) Electrolyte has viscosity of (1- 6 mPas), and O 2 solubility of (2-12mg/L). Realization of optimum electrolytes with thermal stability of -40°- 110°and ion conductivities (2-11mS/cm).
13
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Milestones Information available from page 6 to 51 of Annex I Milestone number: 3 Milestone name: MS7, MS8, MS9 Lead beneficiary: LEITAT Delivery date: M12, M24, M32 Organization proposed MS7 - Realization of electrolyte with: (1)water content < 2% (Karl Fisher, TG), (2) electrochemical windows between 2 to 4.3V versus Li. (3) Physical characteristic: viscosity of (1- 6 mPas), ion conductivities (2-11mS/cm), purity (IC ) MS8 - (1) Realization of suitable additives of RTILs; (2) Electrolyte has viscosity of (1- 6 mPas), and O 2 solubility of (2-12mg/L). (3) Up scaling mL 100 mL MS9 (1) Realization of optimum electrolytes with thermal stability of -40°-110°and ion conductivities (2-11mS/cm). (2) Up scaling 100mL ½ L
14
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Proposed deadlines M6/7 – March / April: Exchange of samples Poltio (solvent melts) SAU (Additives) Leitat (RTILs) M9 - June: Input Elaphe, Material and production techniques analysis (up scaling ?) All M9 - June: Transfert of samples Poltio, SAU, Leitat CEG, LUREDERRA
15
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Thank you for your attention
16
STABLE Kick-off meeting Torino – October 25 th - 26 th,2012 Synthesis and optimization of electrolyte of Li-air cells Leitat Toolbox DesignationUtilityEquipment Glove boxRate of O 2 and H 2 O > 0.1 ppm 1) Preparation of the electrolyte (i.e. salt of lithium+ solvent.) 2) Assembly of the electrochemical cell 3) Electrochemical test inside the glove box (Electrolyte electrochemical Windows) Glove Box UNILAB (4 gloves) ICIonic Chromatography Cl -, BF 4 -, TFSI -, TFO -, PF 6 -, NO 3 -, CH 3 COO -, NH 3 - … (detection limit = 0,1 ppm – 10 ppm) Dionnex ics 300 Sample charger As-DV Karl FisherHigh precision for the determination of the water content. 10 – 1000 µg, ± 3 µg Coulometer KF 831 Potentiostat / Galvanostat 2 potentiostat / galvanostat are available for testing, (1) electrolyte (conductivity, O 2 reduction, potentials windows) and (2) complete cell in a Swagelok system where the purity and gas pressure could be controlled. VMP3 Autolab TGAThermal Gravimetric Analyze Conventional method for determining the temperature of the degradation of the solvent and the water content. TGA Q500 DSCDifferential Scanning Calorimeter Conventional method for determining the physical properties of the solvent (melting, freezing points…) DSC Q20 FTIRFourier Transform InfraRed spectrophotometer Conventional method for determining the nature of the different bonds. IRAffinity-1 ConductimeterConventional method for determining the conductivity of the solvent and electrolyte. Possibility for checking the conductivity at different temperature. Ec-Meter Basic 30+ Titanium cell for viscous liquid and Platinum cell for conventional liquid. ViscosimeterConventional method for determining the viscosity of the solvent and electrolyte. Possibility for checking the viscosity at different temperature. Brookfield LV DV-E Vicometer LV spindle set (from 61 to 64)
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.