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Norsk Hydro acquires Arconic's extrusion plants in Brazil

11-Dec-2017

Hydro Extruded Solutions AS has agreed with Arconic to acquire its two extrusion plants in Brazil. The agreement will strengthen Hydro's downstream position in Brazil and create a solid platform for further growth. "We believe in the integrated business model and Brazil is the country where ...

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Cheap and safe electro-catalysts for fuel cells

11-Dec-2017

Scientists from the University of Surrey have produced non-metal electro-catalysts for fuel cells that could pave the way for production of low-cost, environmentally friendly energy generation. In a study the team from Surrey worked with colleagues from Queen Mary University of London to create ...

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Guanidinium stabilizes perovskite solar cells at 19 percent efficiency

11-Dec-2017

With the power-conversion efficiency of silicon solar cells plateauing around 25%, perovskites are now ideally placed to become the market's next generation of photovoltaics. In particular, organic-inorganic lead halide perovskites offer manufacturing versatility that can potentially translate ...

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Catalyzing carbon dioxide

08-Dec-2017

On any given day, more than 2 million pounds of carbon dioxide are pumped into the atmosphere from factories, emissions from cars and trucks and the burning of coal and natural gas to generate electricity. For many, it's a cause for environmental concern, but for Haotian Wang, it's the perfect ...

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Hybrid electrolyte enhances supercapacitance in vertical graphene nanosheets

08-Dec-2017

Supercapacitors can store more energy than and are preferable to batteries because they are able to charge faster, mainly due to the vertical graphene nanosheets (VGNs) that are larger and positioned closer together. VGNs are 3-D networks of carbon nanomaterial that grow in rows of vertical ...

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Physicists propose a new method for monitoring nuclear waste

Scenarios for using neutrino detectors in nuclear interim storage facilities

07-Dec-2017

New scientific findings suggest neutrino detectors may play an important role in ensuring better monitoring and safer storage of radioactive material in nuclear waste repository sites. Researchers at Johannes Gutenberg University Mainz (JGU) in Germany have made calculations to ascertain the ...

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Flipping the electron spin

Test procedure for developing quick-charging lithium-ion batteries

07-Dec-2017

When lithium-ion batteries are charged too quickly, metallic lithium gets deposited on the anodes. This reduces battery capacity and lifespan and can even destroy the batteries. Scientists at the Forschungszentrum Jülich and the Technical University of Munich (TUM) have now presented a process ...

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Prelithiation strategy enhances battery performance at low temperatures

06-Dec-2017

When it is cold in winter, cars tend to have starting problems. This is not much better with electric cars, which inevitably lose capacity of their rechargeable lithium-ion batteries at freezing temperatures. Now, Chinese scientists have offered a strategy to avoid plunging battery kinetics. In a ...

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Superior hydrogen catalyst just grows that way

06-Dec-2017

Replacing your everyday gas guzzler with a hydrogen fueled car could drastically reduce your carbon footprint. So why don't we all make the switch? One of reasons we don't is the expensive platinum catalyst required to operate hydrogen fuel cells efficiently. Research led by Sandia National ...

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Nature's toughest substances decoded

05-Dec-2017

How a material breaks may be the most important property to consider when designing layered composites that mimic those found in nature. A method by Rice University engineers decodes the interactions between materials and the structures they form and can help maximize their strength, toughness, ...

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