Entries

Order by: [ Title ] [ Date ] [ Views ]

Electrochemical Recycling Electronic Constituents of Value (eRECOV) offers a game-changing solution to growing challenges of electronic waste. The economical and environmentally sound process eliminates the need for traditional recycling methods such as smelting and cyanide leaching. The chemistry in eRECOV is continuously regenerated, and its solution is reusable. These efficiencies add up to a process that saves money, uses less energy and greatly reduces the waste stream.

The unique process incorporates an electrochemical cell to efficiently dissolve metals from devices, leading to more complete recovery of recyclable materials. In addition to precious metals (gold, silver, palladium), eRECOV efficiently reclaims copper, tin, zinc, lead, nickel and rare earth elements.

The Environmental Protection Agency estimates that the United States generates nearly ...

Problem
Neurodegenerative dementia is a disease that progressively deteriorates brain functionality. One of the most common symptoms of dementia is memory loss. In addition, patients usually lose the ability to solve problems or control their emotions and present changes in personality and normal behavior. Covid19 exposed the failure of our care provider systems for this vulnerable population. Over time, people with dementia are unable to properly perform the basic activities of daily living such as maintaining personal hygiene or food. One type of dementia is the Alzheimer disease. Estimates pointed that in 2006 there would be 26.6 million people worldwide with Alzheimer’s disease, and this figure will be three times bigger by 2050. On that date Alzheimer will affect ...

Design for a radial bearing where the load the bearing supports is actually suspended from its components rather than supported by them. As such, the design is intended for light load application where it's important that the bearing generate no or minimum amplitude vibrations due to unevenly sized rolling elements owing to manufacturing tolerances. Additionally, any axial loads should be supported by an altogether separate axial bearing, which this bearing design should always be employed in tandem with, for those applications where any axial forces are expected.

The bearing's inner track (the green ring in the renders) is the innermost component of the bearing and also has the smallest internal diameter. It is the only part of the bearing which ...

Currently all commercial continuously variable transmissions (CVT’s) in the automotive industry function on a friction drive principle. This friction drive interface exists between two hardened smooth steel surfaces separated by a traction fluid film. Traction fluid has the unique property in that it solidifies under high pressure, typically between 1 to 4 GPa, and then provides a traction coefficient of friction that varies from about 0.05 to 0.1. A number of factors determine the friction coefficient as well as the efficiency of the friction drive and as a result current commercial CVT’s do not feature high mechanical efficiencies, with a typical average mechanical efficiency of about 85%. Traction drive technology is a very well matured technology and has been ...

Novel low cost / electrically conductive / Li-ion corrosion resistant nitrogen atoms doped ultrananocrystalline diamond (N-UNCD) coating provides excellent chemically robust encapsulation of commercial natural graphite (NG)/copper (Cu) anodes and new textured Si-based anodes, currently under development for Li-ion batteries (LIB), providing a solution to the problem of LIBs’ anode materials degradation due to chemical corrosion induced by Li ions.

The N-UNCD encapsulating coating allows for good conductivity of both electrons and Li-ions while exhibiting outstanding chemical and electro-chemical inertness to Li ions-induced corrosion (see Fig. 1 enclosed), eliminating de Li-induced chemical corrosion of graphite powder in current commercial graphite/copper composite anodes (see Fig. 1), which result in degradation of the capacity energy after undesirable relatively short numbers of ...

As the core of a modular, optionally-manned, single-stage-to-orbit, reusable, trans-atmospheric spaceplane; this combined-cycle engine which operates on JP-7 jet fuel, and either air or LOX; functions as an Expansion-Cycle Turbojet for takeoffs and landings (for noise reasons). Then transitions through Pulse-Detonation Turbojet, Pulse-Detonation Ramjet, Supersonic-Combustion Ramjet, and Pulse-Detonation Rocket as it accelerates into earth orbit. Thus, fulfilling the promise of the X-30 National Aerospace Plane, and an economically viable Space Transportation System feasible.

The engine uses expansion-cycle turbo-machinery (ala. REX-I&III) to drive the fuel and hydraulic pumps, generator, and selectively the axial-compressor or oxidizer pump. This is driven utilizing catalytic-regenerative-cooling of the combustion chambers, which endothermically cracks the JP-7 fuel down into Ethelene and Ethane; as done in the ...

The AxOPOC Engine is a hybridization of the EcoMotors’ EM-Series Opposing Piston Opposing Cylinder engine, and a sinusoidal-cam wobble-plate engine (aka. Revolver-cam/Dynacam engine). In this case, the inner two pistons share a common wobble-plate which is π-radians (180) out of phase with the end capping wobble-plates (and thicker than its counter-parts to deal with the greater forces acting upon it), which each accommodate a single piston, and needing guide-rods to maintain proper contact with the cam-plate. As with all sinusoidal-cam wobble-plates, the pistons are connected by a twin-roller assembly that rides on the rim of the cam, transferring the mechanical energy. This greatly reduces the mechanical complexity of linkages, and friction (by approximately 40%) due to eliminating side-forces on ...

This idea describes a system for someone to shop for clothing from home while getting as close to an in-store experience as possible. The advantages of physically being in a clothing store are that you can see and feel the products and try them on to see if they fit and look good.

The customer would install an app and then calibrate the camera on their smartphone by taking pictures of a standard sized item, such as a dollar bill, from a variety of distances and poses. The software would go through appropriate transforms to calculate effective focal length and lens distortion, storing those corrections on the phone.

The customer would then establish a payment method through a variety of online ...

A January 2016 report from the World Economic Forum projected plastics production, which was 311 million tons in 2014, will double by 2034. Production of ethylene, the basic building block for these materials, represents the single most energy-consuming process in the chemical industry.

LoTempLene has the potential to modernize these industrial processes and scale back their energy consumption. The process could reduce emissions from ethylene production up to 98 percent when driven by energy from carbon-free sources such as solar, wind, or hydropower.

By capturing hydrogen and putting it to use in fuel cells, LoTempLene offers a net gain in process energy. There is no industrial process that consumes energy more voraciously than petrochemical manufacturing. Since the early 20th ...

Catastrophic failure concerns of Li-ion batteries including excessive heating, fires and explosions create anxiety in battery consumer markets, especially as larger and more powerful Li-ion battery architecture hits the marketplace.

The main cause of failure is the internal short-circuit, which causes thermal runaway and ignition of the battery flammable materials.

Available methods to detect expected battery failure are not precise, costly, and time-consuming requiring days, weeks or even months. Internal shorts significantly increase normal cell leakage (self-discharge) which can be used as a metric for short detection and catastrophic failure prediction.

INL’s Battery Health Sentry is a simple and accurate technique for rapidly detecting internal shorts via fast measurement of self-discharge current in lithium-ion batteries.

The method involves connecting ...

Page 3 of 21