Multifunctional Energy Storage (MES) Composites - Stanford.pdf · Tangible Deliverables Technology...
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Multifunctional Energy Storage (MES) Composites Stanford University & Farasis Energy, Inc.
Transcript of Multifunctional Energy Storage (MES) Composites - Stanford.pdf · Tangible Deliverables Technology...
Multifunctional Energy Storage (MES) Composites
Stanford University & Farasis Energy, Inc.
TangibleDeliverables
TechnologyOverview
MESCompositesseamlesslyembedsli-ionba.erymaterialsintohigh-strengthcarbon-fibercomposites,togetherwithembeddedmicro-sensors:• Synergy–concurrentlycarrymechanicalloads,aswellas
provideelectricalenergy.• Configurable–customizabletoachievesystem-level
performanceop?miza?on.
ProjectSta@s@cs
Award Amount $2.71M
Award Timeline Nov.2013–Nov.2016
Project Loca;on Stanford University, CA
Year Deliverable
1 Realiza;on of Func;onal MES Composite cells
2 Mul;-cell mini-module 130Wh/kg;20Xs?ffer
3 Mul;-cell large-scale module: >150 Wh/kg
[email protected]@stanford.edu
Mul;func;onal BaXery Chassis Systems for Automo;ve Applica;ons
AdvantageandDifferen@a@on
EVSystemApplica@onwithSameCapacity
Weight
Suppor?ngStructures(50%)
PouchCells(50%)
EVBaHeryPack MESComposite
MESCells(60%)
Upto40%WeightSavings
Metric Threshold Pouch Cell MES
Specific Energy >150Wh/kg YES YES
Energy Density >230Wh/L YES YES
Specific S;ffness >8GPa/g/cm3 NO YES
Bending Rigidity >260Nm2/kg NO YES
Mul#fun#onalEnergyStorageComposites
Multifunctional Energy Storage Composites Stanford University & Farasis Energy, Inc.
Embedded Micro-sensors
Structural Chassis Beams
Curved Body
Panels
Stiffened Panels
Lithium-ion Battery
Carbon Fiber Composite
MES Composites
Multifunctional Energy Storage Composites Stanford University & Farasis Energy, Inc.
Mechanical/Electrochemical Test Results
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Underload,measure:• Capacity• DCImpedance
Nocapacitydegrada#on
RetainedNominal
Impedance
Noelectricaldegrada#onunder>1000Nbendingload
Scalability – Mul;-Cell Module
3S4P 240Wh Module
load carrying capacity > 6000lbs
18”
5”
3.25”
MES composite Cells
1 2 3 4
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Specifica@ons Values
Weight 1.8kg
Configura?on 3S4P(12cells)
EnergyCapacity 240Wh
Grav.EnergyDensity 130Wh/kg
Vol.EnergyDensity 250Wh/L(50Wh/L(withchannels))
State-of-Charge Temperature Distribution
Battery Health Battery Mechanics
Multifunctional Energy Storage Composites Stanford University & Farasis Energy, Inc.
Battery & Structural Health Monitoring System
Multifunctional Energy Storage Composites Stanford University & Farasis Energy, Inc.
Stretchable Sensor Network
T2M Activities:
MES Composites
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Scalable,reliableproduc?onmethods
Automo?veBa.eryStandardsandRequirements
Automo?veTes?ngStandards
• Adoptcer?fied,reliablestructural&ba.erymaterials• Developandstandardizearobustmanufacturingprocess
• Automo?veBa.eryStandardTes?ng–USABC,UN,IEC..
WayForward&Poten?alCollabora?ons
