wildcat 2014 cibf discovery of battery electrode and electrolyte materials via high throughput screening

,Accelerating Breakthrough DDiscovery of Battery Electrode and Electrolyte Materialsvia High Throughput ScreeningBin Li, Steven Kaye, Dee Strand,1,June 21, 2014,CIBF2014 Shenzhen,2,Presentation Outline Introduction Wildcats High Throughput Battery Workflow Examples of Wildcat Battery Discoveries,June 21, 2014,CIBF2014 Shenzhen,3,Wildcat Technologies Founded in November, 2006; Based in San Diego, CA Targeting the discovery of breakthrough battery materials A unique in world “discovery engine” for new materialsHigh throughput screening,Planning,Synthesis,Testing,Analysis,Over 5,000 unique cells every week for battery materials!,Hundreds of materials Thousands of batteries,Flexible software,Smart design,June 21, 2014,CIBF2014 Shenzhen,4,June 21, 2014,CIBF2014 Shenzhen,Wildcat Technologies Parallel synthesis of 100s of samples Over 5000 electrochemical assay channelso Each channel is independent along with temperature controlo In-situ gas pressure measurement Extensive battery database built by WildcatProprietary hardware and software, more flexibility,5,Business Model Accelerate battery materials discoveries for others Speed time to market for new cell technologies; reduce R&D costs,Govt Grants,Material Suppliers,Cell Makers,OEMs,National LabsWildcat logo size is relative to business size in each areaWildcat has completed over 70 projects with 40+ different companies,June 21, 2014,CIBF2014 Shenzhen,6,Presentation Outline Introduction Wildcats High Throughput Battery Workflow Examples of Wildcat Battery Discoveries,June 21, 2014,CIBF2014 Shenzhen,June 21, 2014,CIBF2014 Shenzhen,High Throughput Workflow5000 unique cellsAutomation reduces R&D cost and improves data quality,High Throughput Research: Value Proposition,8,High Throughput,=,DopantsCoatings,Particle Size,&Distribution,Surface,Functionality,Cathode,+,AM:Binder:AdditiveRatioSlurryRheology,MixingMethod,& AnodeBaseCompositionCrystalStructure,SlurryBinderConductiveAdditive,+,DensityPressingProcess,CurrentCollector,ElectrodeDryingProcessThickness,Co-SolventsAdditives,Salts,ElectrolyteLinearCarbonateCyclicCarbonate,+,ElectrolyteQuantitySeparatorProperties,CellFormat,AssemblyActiveMaterialPairCapacityMatch,+,+,C-RatePulseProtocols,Temperature,TestingFormationProcessVoltageRange,High Productivity,High throughput makes it possible to do systematic studies,June 21, 2014,CIBF2014 Shenzhen,Cost/ Experiment,High Throughput Research: Value Proposition,9,High Throughput,=,Fast iterations thatutilize learnings,Wide space of factors,Statistically meaningfulconclusions,Smart designof experiments# Experiments,High utilization ofscientists andequipment,High SuccessProbability,and responsesHigh throughput greatly improves research success,June 21, 2014,CIBF2014 Shenzhen,10,Presentation Outline Introduction Wildcats High Throughput Battery Workflow Examples of Wildcat Battery Discoveries,June 21, 2014,CIBF2014 Shenzhen,Project Type,Customer,Experiments Months Goal,CM1CM3EM1EM3,WildcatWildcatWildcatWildcat,3,0004,0005,0001,000,6863,HighenergyphosphateHighcapacitycathode5V electrolyte additivesNewe-lyte additive platform,Electrolyte Development Cell maker,3,000,4,Hightempstability,Cathode Development,Material supplier,6,000,8,Improve energyandcycle life,11,Battery Research Examples The following examples will demonstrate how high throughput technologyhas accelerated meaningful discoveries Case studies include both customer and Wildcat internal projects,Wildcats high throughput is 10X faster thanconventional methods!,June 21, 2014,CIBF2014 Shenzhen,Strategy for Improvement: LiCoPO4,12,LiTMPO4dopants,+ synth.cond.,+ coatings,-, anti-site mixing stability capacity conductivity,- controlsize/shape- defects- capacity,- e-lyte oxid.- conductivity,June 21, 2014,CIBF2014 Shenzhen,- conductivityRational experimental design is critical for high throughput,Voltage (V),Energy (Wh/kg),Capacity (mAh/g),0,20,40,60,80,100 120 140 160 180,0,1,2,3,54,13,CM1,LiFePO4,Cathode/Li,Current: 15 mA/gVoltage: 2V to 4.95,25 deg. C,CM1 versus LiFePO4,Screening Discovery,3000 materials screened to,develop a new phosphateWildcat is seeking a license for CM1,Sample ID#,June 21, 2014,CIBF2014 Shenzhen,0,2,4,6,8Week,10,12,14,500,550,650600,700,LiFePO4,CM1: A LiCoPO4-based cathodeA phosphate cathode with 690 Wh/kg,14,2.5-4.95V4000 materials screened to develop new oxide cathodes,Development of New Cathode: CM3CM3: Li2-xMn1.5-aNi0.5-bMcMdO4-e,June 21, 2014,CIBF2014 Shenzhen,Screening DiscoveryCathodeLi, 30C1M LiPF6, EC:EMC,CM3 versus Lr-NMCLr-NMCCM3,15,MetricCapacity (mAh/g)Grav. Energy (Wh/kg)Vol. Energy (Wh/L)Rate (% at 1C)Cycle Life (to 80%)Voltage Fade (mV/cy),Lr-NMC274100044708030011,CM3265972435072800,June 21, 2014,CIBF2014 Shenzhen,Wildcat is looking for partners to bring CM3 to market,CM3: SummaryA novel, spinel-based oxide cathode with capacity 250mAh/g, low irreversible capacity, and no voltage fadeCM3 versus Lr-NMC,Efficiency (%),Capacity Retention (%),3+EM1.3V,4.45,Development of Electrolyte Additive: EM1,16,LMNO/G530 C140 mA/g (1C)34.85 V,Cell ID (#),June 21, 2014,CIBF2014 Shenzhen,CycleEM1 family additives help different high voltage cathodes,0,6050,70,1009080,+EM1Control+EM1.3,Control400 500,NMC/C,30 C150 mA/g (1C)1:2 EC:EMC, 1M LiPF6100 200 300,5000 formulations screened todevelop EM1 additives,Screening Discovery,17,Development of Electrolyte Additive: EM3 Conventional SEI Forming Additives Polymerizable molecules,June 21, 2014,CIBF2014 Shenzhen,A,B,Non-uniformly distributed, incomplete surface coverage Idea: Module additives,Uniform filmdeposition,Electrode adhesionchemically stable film etc.,EM3: a new technology for electrolyte additives,18,June 21, 2014,CIBF2014 Shenzhen,3 - 4.4V1C (CV/10)50 oC,Control,NMC/C3-4.45V, 25 oC1C (CV to C/20),Baseline,Baseline,NMC(333)/C3.0-4.45V,1C (CV, C/20)30 oC+EM3LCO/C,Control,Wildcat is interested in a jointdevelopment partner for EM3,Development of Electrolyte Additive: EM3Screening Discovery,EM3 additives help both high voltage and high temperature,Capacity Retention (%),19,0,50,100,150,200,250,60,100,Collaboration Discoveries: Electrolyte Optimization Customer: Large cell maker Goal: To develop electrolyte formulation with improved high temperaturecycle life for prototype cell 4 month development program (3000 experiments)Baseline,Combination,AdditiveSolvent80,Baseline,Best CombinationBest Additive,Best SolventBaseline40,4.35V, 45 oC,Cycle (#)High temperature cycle life increased to from 35 to over 400 cycles!,4.35V, 45 oC,June 21, 2014,CIBF2014 Shenzhen,Capacity Retention (%),20,0,100,200,300,400,500,40,8060,Collaboration Discoveries: Cathode Development Customer: Multi-national material supplier Goal: To develop a cathode with improved energy density and hightemperature cycle life vs. customer current best 8 month development program (6000 experiments)100,Baseline,After Wildcat,StoichiometryCoatingDoping,Baseline,HighTemperatureCycling,Cycle (#)Improved energy 25% and HT cycle life from 50 to 400 cycles!,June 21, 2014,CIBF2014 Shenzhen,Summary Wildcat has a uniqueinworld