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Researchers at the University of Maryland have created hundreds of innovations that are available for licensing. Our Discovery Portfolio contains an exciting mix of vaccines, drug targets, therapeutics, devices and cutting edge techniques that promise to make a quantifiable impact on human health and the environment.
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Self-Powered, Switchable Solar Windows
Published Monday, June 20, 2016Background:Many optoelectronic devices, such as smart windows, have the ability to electrically control transparency of the window and the scattering of the transmitted light. The main drawbacks to current smart windows are that they are not able to generate power and often allow unwanted optical absorption. Alternatively, building...
Categories: Engineering, Materials, Power Electronics, Devices
Keyword(s): Solar Windows, Photovoltaic, Privacy window, Window, Solar cooling, Solar heating, Green energy
Docket: PS-2016-029
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Multiple-Electron Aqueous Battery
Published Sunday, February 21, 2016Background:Lithium-ion batteries power much of our digital and mobile lifestyle. However, their adoption in more strategically important applications such as vehicle-electrification and grid-storage has been slower, mainly due to the concerns raised over their safety, cost, and environmental impact, which mostly arise from the non-aqueous...
Categories: Power Electronics, Engineering, Chemical, Materials
Keyword(s): Lithium-ion, battery, Grid-storage, Energy storage, Electric Vehicles
Docket: PS-2015-136
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Atomic Layer Deposition for Metal Anode Passivation
Published Wednesday, November 11, 2015Background:Lithium metal is of great interest to the battery community: as the lightest and most electropositive alkali metal, Li has a low density, resulting in an extremely high specific capacity value of 3.86Ah/g and energy density of 11,701Wh/kg, making it the holy grail of battery anodes. Other light metals – Na, Mg, and Al – have...
Categories: Engineering, Power Electronics, Microelectronics
Keyword(s): Batteries, Lithium metal, Li-ion batteries, Energy storage, metal anode
Docket: PS-2014-155
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Multifunctional Energy Harvesting Skin
Published Tuesday, November 10, 2015Energy harvesting technologies currently enable wireless sensors to be operated without a battery but still require recharging or periodic replacement. Vibration is a widely available ambient energy source. Piezoelectric energy conversion from vibration is the most efficient approach known. A cantilever beam type generator is a popular device for...
Categories: Engineering, Power Electronics, Clean Technology
Keyword(s): 525
Docket: PS-2009-029
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Safe, Low-Cost, High-Energy-Density, Solid-State Li-ion Batteries
Published Tuesday, October 20, 2015BackgroundThe adoption of the lithium-ion batteries in the consumer electronics, electric vehicle, and aerospace industries has grown exponentially over the years. Despite this growth, a call for a safer and more efficient rechargeable battery solution is at hand since lithium-ion batteries’ dangerous pressurized flammable liquid...
Categories: Devices, Engineering, Microelectronics, Power Electronics
Keyword(s): Soild-state, Lithium-ion, battery, 525
Docket: PS-2013-033
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One-sided Binary Tree-Based Crossbar Switch Fabrics
Published Wednesday, September 16, 2015Background: One-sided crossbar fabric is well-suited to interconnecting active ports such as line cards in network routers and peripheral devices in computer systems where ports serve both as inputs and outputs. Its simple topology and straightforward routing makes it more attractive for network-on-chip and system-on-chip designs compared to...
Categories: Engineering, Power Electronics, Microelectronics, Devices
Keyword(s): 525
Docket: PS-2014-057
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Level-3 Integrated On-board Electric Vehicle Battery Charger
Published Wednesday, September 16, 2015Background:Two major types of plug-in electric vehicle battery chargers are: on-board chargers and off-board chargers. Onboard chargers provide flexibility of charging batteries using single-phase power outlets; however, they contribute to additional weight, volume and cost of the car. Due to their charging power limitations and slow charging...
Categories: Engineering, Power Electronics
Keyword(s): Electric vehicle, Charger, EV, Powertrain, integration charger,interleaved boost converter, off-board charger, onboard charger, permanent magnet synchronous machine, power factor correction
Docket: PS-2014-127
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Single Material All Solid-State Lithium-ion Battery
Published Wednesday, September 16, 2015Background:The current all-solid-state Li-ion batteries consist of three distinct components: an anode, an electrolyte, and a cathode. In addition, current collectors are also used to ensure electron transport through the electrodes and the external circuit. The anode, cathode, and electrolyte normally use three different materials due to the...
Categories: Devices, Engineering, Power Electronics, Microelectronics
Keyword(s): Solid-State, Lithium-ion, battery, Anode, Cathode, Energy storage
Docket: PS-2014-143
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Atomic Layer Deposition Modifications for All Solid State Metal Ion Batteries
Published Tuesday, May 19, 2015Background:Solid-state lithium batteries are considered to be the ultimate solution for an electric vehicle’s power supply which require safety, high energy density, and long a lifespan. Currently high ionic conductive solid state electrolytes and an interfacial contact are the two important issues for the practical use of Solid-state lithium...
Categories: Microelectronics, Engineering, Power Electronics
Keyword(s): batteries, Solid-state ion batteries, metal anode, atomic layer deposition (ALD)
Docket: PS-2015-002
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Photovoltaic Energy Conversion Using Surface Acoustic Waves in Piezoelectric Semiconductors
Published Thursday, January 13, 2011The field of photovoltaic energy conversion is rapidly becoming more diverse. Improvements have been made in many existing devices in the form of traditional photovoltaic panels, and new fabrication techniques and materials have permitted researchers to explore different approaches in an attempt to combine improved efficiency of photovoltaic...
Categories: Microelectronics, Power Electronics, Materials, Engineering, Devices
Keyword(s): photovoltaics, surface acoustic wave, energy conversion
Docket: PS-2009-039