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EL PARTNER TECNOLÓGICO STABLE – Reference Li-air cell Outline -Cell configuration (general) -Li-Anode (WP1) - Separator (WP1) -Air-cathode material (WP2) - Electrolyte - Characterization 2 Reference conditions Gas Type Cell Collector Anode Collecteur Cathode Alluminium (Al) tube (or stainless steel) + SS spring + component melt by spot resistance SS mesh + SS spring + component melt by spot resistance Anode Membrane Copper Rod O2 Lithium Wahtman Swagelok (or copper (99,99998%) chips GF/A foam) Air Coin Cell Stainless Steel (SS) Lithium Wahtman chips GF/A Cathode Al tube (or SS tube) SS mesh Electrolyte Organic RTIL Solvent Salt Solvent Salt EC/DEC LiPF6 EMITFSI LiTFSI NB1: This is not only a blibliographic research. Theses configurations are used at the moment NB2: Pouch cell is the step farther 3 Cell configuration Name: PFA Swagelok tube fitting ½ inch Swagelok cell (O2) Reference: PFA-820-6 Web link: http://www.swagelok.com/search/find_products_home.aspx?part=PFA-8206&item=2b451130-c169-4f69-bac4-8bfa338a165b# Active surface area: 10 mm-diameter Current collector: Anode: Copper rod Cathode: Al or Stainless steal tube Coin cell (Air) Name: Meshed CR2032 Coin Cells Cases (20d x 3.2mm) for Lithium Air Battery Research (1 pair with seal O-ring) Reference: EQ-CR2032-CASE-304-MES Web link: http://mtixtl.com/MeshedCR2032CoinCellsCases20dx3.2mmforZinc/LithiumAirBatteryR. aspx Active surface area: 14 mm-diameter 4 Air-cathode materials Current collector: Diameter for Swagelok cell: 10 mm Diameter for coin cell: 14 mm 304 Stainless Steel Meshed Disc (80 mesh woven from 0.127 mm dia. Wire, Alfa Aesar) as Electrode Substrate for CR2032 – EQ-SSMD-304 (MTI.Corp.) http://mtixtl.com/304StainlessSteelMeshedDiscasElectrodeSubstrateforCR20XXCoinCell.aspx Composition ref. Active material: Graphite Super C65 (CAS: 1333-86-4 – TIMCAL) Binder: PVDF ADX 161 (CAS: 24937-79-9 – Arkema) Solvent for slurry preparation: N-methyl-2-pyrrolidone (CAS: 872-50-4 – Sigma Aldrich, anhydrous, 99.5% - 328634) 5 Swagelok cell Why is it the good choice. -Everybody is using it, easier to compare to previous results -Cheap and Versatile cell: • Possibility to change each component one by one • Possibility to tune (melting by spot resistance, 2 or 3 electrodes, line of several cells…) Battery Vale for charge /discharge Gas out Gas in Contacts melt by spot resitance 6 Anode materials Active material: Lithium (CAS: 7439-93-2) Diameter for Swagelok cell: 12 mm Diameter for coin cell: 14 mm Name: Lithium Chip 15.6 Diax0.25t mm for Li-ion Battery R&D 100g/bottle (4000 pcs) Reference: EQ-Lib-LiC25 Web link: http://mtixtl.com/LithiumChip15.6Diax0.25tmmforLi-ionBatteryRandD125g/bottle-EQ-Lib.aspx Name: Lithium ( Li ) Foil: 30000mm Length x 35 mm Width x 0.17mm Thick Reference: Lib-LiF-30M Web link: http://mtixtl.com/LithiumLiFoil30000mmLengthx35mmWidthx0.17mmThick.aspx Copper foam for nanostructuration (lithium eletrodepositon), disc of 12 mm taken from Good fellow (LS396347), 6.35 mm, 0.85/cm2, 99.9%, 16 Pores/cm, 150 x 150 mm, 120g. 7 Electrolyte Carbonate-based electrolyte Solvent: EC/DEC (2/1 volume).. Working very well, better than DMC or PC mielts. EC: Ethylene carbonate (CAS: 96-49-1 – Sigma Aldrich 676802) DEC: Diethyl carbonate (CAS: 105-58-8 – Sigma Aldrich 517135) Salt: LiPF6 – Lithium hexafluorophosphate (CAS: 21324-40-3 – Sigma Aldrich 450227) Concentration: 1 mol/L Ionic liquid electrolyte EMIM TFSI – 1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (CAS: 174899-82-2 – Sigma Aldrich 11291) LiTFSI – Bis(trifluoromethane)sulfonimide lithium salt (CAS: 90076-65-6 – Sigma Aldrich 544094) Concentration: 1 mol/L 8 Separator Name: Whatman® glass-fiber filter paper, Grade 25 Reference: Z132101-100EA Web link: http://www.sigmaaldrich.com/catalog/product/aldrich/z132101?lang=es®ion=ES Diameter for Swagelok cell: 10 mm Diameter for coin cell: 16 mm LISICON commercially available ?? 9 Electrochemical characterization Method - Galvanostatic charge /discharge, cycling: Current: 50 to 1000 µA/cm2 Potential window: [2 V : 4 V] -Impedance spectroscopy: ± 200 mV to EOC Gas -Condition 1: O2 / Flow rate: 0.1 SCFH (Premier or Ultrapuro Plus, < 5 or < 2 ppm of inpurities) -Condition 2: Mediterranean Air atmosphere of Barcelona. 10 Leitat team Contact Division Position Tasks David Amantia, PhD. [email protected] Nano Material External coordinator (STABLE) Team leader Co-leader STABLE (LEITAT) Coordination External/Internal Materials Christophe Aucher, PhD. [email protected] Researcher Renewable Energy Co-leader STABLE (LEITAT) Co-Coordination Internal Electrochemistry Albert Almarza, engineer [email protected] Nano Material Material Étienne Knipping, engineer [email protected] Renewable Energy Researcher Electrochemistry José A. Sáez, PhD. [email protected] Smart System Modeling / Simulation Researcher Team leader 11