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Mon03302015

Technology

Copper and ammonia key to new catalyst to clean vehicle emissions

The newest models of diesel engines emit very little of the greenhouse gas nitric oxide due to the use of the latest catalytic converters. A team of researchers at the Institute for Integrated Catalysis at the United States Department of Energy’s Pacific Northwest National Laboratory have completed a study on zeolite-based catalysts used in Europe. These zeolite-based catalysts blast away the pollu...

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Waste eating bacteria used to produce electricity

Researchers at Stanford University have invented a microbial battery that can generate electricity from sewage. The battery uses microbes that can produce electricity as they digest plant and animal waste as mini power plants. Yi Cui, a materials scientist, Craig Criddle, an environmental engineer, and Xing Xie, an interdisciplinary fellow, developed the microbial battery. The microbes used...

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U.S. D.O.E.’s Energy Systems Integration Facility looking into clean energy grid and fuel cell technologies

The United States Department of Energy has announced a new research center based at the National Renewable Energy Laboratory for the advancement and commercialization of advanced clean energy technologies. Energy Secretary Ernest Moniz visited N.R.E.L. on September 11 to dedicated the new Energy Systems Integration Facility, the first major research facility in the U.S. to focus on clean...

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Gadolinium nanowires used to create energy efficient UV light source

Researchers at Ohio State University are developing a new kind of light emitting diode that could lead to more portable and low-cost uses of the technology. Their patent-pending L.E.D. creates a more precise wavelength of ultraviolet light than today’s commercially available UV L.E.D.’s, is more compact, and runs at lower voltages then currently available technology. The technology could lend itself to...

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New connection technique improves stacked solar cells’ performance

Researchers from North Carolina State University have developed a technique that improves the connection between stacked solar cells thereby increasing their performance. Stacked solar cells, or solar cells that have been stacked on top of one another, currently has the highest conversion rate with 45 percent of the solar energy absorbed converted into electricity. But in order for the stacked solar...

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Tin telluride based material developed for thermoelectric devices

A new mix of non-toxic materials has been used by physicists at the University of Huston to recover waste heat and transform it to energy. The researchers use tin telluride and indium for waste heat recovery. They believe that devices using this material can transform the waste heat from sources such as vehicle tailpipes and industrial smokestacks into energy to boost productivity. It’s estimated...

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Biodegradable packaging and healthier baked goods from wine waste – O.S.U.

The wine industry is a tremendous business with around 4 million tons of grapes crushed into wine in the United States alone. It also creates a tremendous amount of waste in the form of wine pulp or pomace. Pomace consists of the stems, skins and seeds of wine grapes. This crushed pulp is usually hauled away for disposal at dumps or a small percentage is used as fertilizer or cow feed. Now, researchers at Oregon...

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Climate change mitigation measures now, too costly later – study

A research scientist from Finland finds that climate change mitigation measures must be accelerated as it may be too costly later, noting that its uncertainties are the reason to act now. Tommi Ekholm, a research scientist at VTT Technical Research Centre of Finland, modelled the costs of climate change mitigation measures in his recent doctoral dissertation. In his dissertation, he stated that curbing climate...

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Nanoparticle-based solar cells now use common elements

Researchers from the University of Alberta have designed a nanoparticle-based solar cell that can be easily manufactured and can be made inexpensively using common elements. Researcher Jillian Buriak, a chemistry professor and senior research officer of the National Institute for Nanotechnology, based on the University of Alberta campus, and her team has designed nanoparticles that absorb light and conduct...

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Membraneless flow battery developed by M.I.T. for better energy storage

A new, cheaper rechargeable flow battery has been developed by researchers from the Massachusetts Institute of Technology. The palm-sized prototype generates three times as much power per square centimeter, a power density that is an order of magnitude higher than that of many lithium-ion batteries and other commercial and experimental energy-storage systems. The device stores and releases energy based on...

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