WiTricity Company Update May 23, 2014
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WiTricity
Company Update
May 23, 2014
Power Cords & Disposable Batteries
Copyright 2014 WiTricity Corporation - Confidential and Proprietary 2October 21, 2014
Total Cost of OwnershipDisposable vs. Rechargeable Battery
Copyright 2014 WiTricity Corporation - Confidential and Proprietary 3October 21, 2014
$0.75/kwh
$260/kwh
$2 per battery2,850mah at 1.2V
Grid Electricity cost = $0.17/kwh
$1 per battery2,600ma @ 1.5V
WiTricity is Wireless Electricity
Copyright 2014 WiTricity Corporation - Confidential and Proprietary 4October 21, 2014
Safe Efficient Works Over Distance
Technology BenefitsSupports multiple devices with differing coil sizes and power requirements
Source
CaptureDevices
Flexible orientation between the source and capture device(s)
Capture DeviceSource
Source mounted under surface
CaptureDevice
Powers through surfaces including wood, granite, plastics, glass, and more
Extended wireless range with WiTricity Resonant Repeaters
Source Capture Device
Resonant Repeaters
How It Works
Safe and Efficient Energy Transfer Over Distance and Through Materials
Resonance
Stored energy oscillatesbetween two modes
Magnetic Resonator
Stored energy oscillates between magnetic (B) and electric fields (E)
Coupled Resonators
Efficient and selectiveenergy transfer can be achieved between high Qmagnetic resonators
Resonators with High Quality factor enable efficient energy transfer over distance
Optimum efficiency is only a function of the figure‐of‐merit U
2
221 1
U
U
Coupling and Quality factor are important parameters
1 21 2
U k Q Q
Efficient Energy Transfer Over Distance
7Copyright 2014 WiTricity Corporation
Application: Consumer Electronics
Wireless Chargingof Mobile Devices(through surfaces)
Wireless RechargeableBatteries (charge in the device)
Wireless Charging ofLaptops & Peripherals(multiple devices)
Application: Automotive
Wireless Charging of EVs and HEVs
Application: Medical
Implantable Devices: LVADs & CRMs, Opthmalic & CochlearSurgical & Handheld Devices, Mobile Equipment Carts
Application: Defense
Wireless Chargingfor Soldier
Electronics to Extend Battery Life
Wireless Chargingof Military MobileRobots in the Battlefield
Wireless Chargingof UUVs
Market Landscape
Copyright 2014 WiTricity Corporation - Confidential and Proprietary 12October 21, 2014
PositionalFreedom
PositionalDependence
Low Efficiency
High Efficiency
Standards Landscape
Copyright 2014 WiTricity Corporation - Confidential and Proprietary 13October 21, 2014
High PowerLow Power
Inductive
Highly Resonant
Working with Wireless Electricity
• Take advantage of existing reference designs
• Reduce your time-to-market through technology transfer
• Accelerate development with Software tools that simulate the application environment
• Leverage custom development services & support
WiTricity – The foundational technology for highly resonant wireless power transfer
14Copyright 2014 WiTricity Corporation
“Any Sufficiently Advanced Technology is Indistinguishable from
Magic”
Arthur C. Clarke, 1961The Third Law
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