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D r . J . D e v i n M a c K e n z i e
T H I N , F L E X I B L E , R E C H A R G E A B L E Z I N C B AT T E R I E S F O R P O R T A B L E E L E C T R O N I C S
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Todays Li and NiMH cells constrain design and functionality of portable electronics.
Conventional Zn battery are safe and inexpensive but have poor rechargeability.
ThinfilmLowcapacityLimited
flexibilityTooexpensive
LithiumpolymerToothick
LimitedflexibilitySafetyissues
Cylindrical(coin,AA)Fixedsizes/shapes
ToothickRigid
BATTERY PROBLEMS TO SOLVE
Proprietary 2
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Consumer
Electronics
$7B
Micropower
$80M
LARGE AND EXPANDING MARKETS
Proprietary 3
Ni-MH
Applications
$1.2B
Small portable
electronics
$600m
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Printed,solidstatebatteryUltra-thinandflexible Electrolyteenableszincrechargeability
Materialsareabundant,non-toxic,non-volatile
Lowfixedandvariablemanufacturingcosts
ZincPoly
Metal Oxide
Zinc
Current Collector
Current Collector
HIGH CONDUCTIVITY POLYMERELECTROLYTE
PROPRIETARY ZINC ION RECHARGEABLE BATTERY
Proprietary 4
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STABILE ZINC CHEMISTRY RECHARGEABILITY
Proprietary 5
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Lithium PolymerPouch
Imprint EnergyToday
Imprint EnergyProjected
FullRiverLiPoPowerstreamLiPo
IPSThinFilmLiPrologiumLiCeramic=
Thin Lithium
ZincPoly ENERGY DENSITY ADVANTAGE
Proprietary 6
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ENERGY DENSITY VS. THICKNESS
0
200
400
600
800
1000
1200
0.05 1 2 3 4 5 6789
EgDtyWh]
Battery Thickness [mm]
Baseline
CurrentR&D+Optimization
MaximuminThinPackage
UpperLimit
2013 - 2014
>2014
7
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Metric PerformanceArea 10cm2
Capacity 10-50mAh
PulseDischarge
>1C
CurrentPulses 10-20mA
Flexibility 12.5cmradiusThickness
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safefail
FLEX TESTING:
2000 CYCLES; 13MM BEND RADIUS
LithiumBatteries ZincPoly
Gasexpansion Liquidleakage Electricalfailure
Nophysicalchange >90%capacityretention
9
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PULSE DISCHARGING RESULTS
C-rate:1CPulseDischarge:1mA(1sec)RestCurrent:10A(9sec)
Cellpotentialresponse
10
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2.1ScreenPrintCathode
4.1ScreenPrintAnode
3.1ScreenPrintElectrolyte
5.1ScreenPrintCollector
1.1ScreenPrintCollector
5.2CollectorDrying
3.2ElectrolyteDrying
4.2AnodeDrying
2.2CathodeDrying
6.Packaging8.Singulate 7.InlineTest
1.2CollectorDrying
ProcessFinish
5.3In-LineMeasure
4.3In-LineMeasure
3.3In-LineMeasure
2.3In-LineMeasure
1.3In-LineMeasure
11
11
PRODUCTIONPROCESS
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DEVELOPMENT AND SCALE UP PLANS
expanding ip leadership
12
outsourcingmanufacturing
building supply chain
developing products
with customers
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WWW.IMPRINTENERGY.COM
1320HARBORBAYPARKWAYSUITE110ALAMEDA,CA94502
UNITEDSTATES
Energydense
Ultrathinandflexible
Rechargeable
Customizable
Earth-abundant
Safeandstable