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New materials for sustainable, low-cost batteries

02-May-2018

A new conductor material and a new electrode material could pave the way for inexpensive batteries and therefore the large-scale storage of renewable energies. The energy transition depends on technologies that allow the inexpensive temporary storage of electricity from renewable sources. A ...

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A ski jacket that actively gets rid of sweat

Electro-osmotic textiles for athletes

31-Jan-2018

To keep the body warm and dry during winter sports, high-performance clothing is a must. The demands on these textiles are high, as a person sweats up to one liter per hour on his upper body alone when skiing. A new technology, co-developed by a team of Empa scientists, helps athletes sweating by ...

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A water-based, rechargeable battery

Inexpensive and stable

11-Jan-2018

Water could form the basis for future, particularly inexpensive rechargeable batteries. Empa researchers have succeeded in doubling the electrochemical stability of water with a special saline solution. This takes us one step closer to using the technology commercially. In the quest to find ...

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A thermometer for the oceans

Measurement of noble gases in Antarctic ice cores

08-Jan-2018

The average sea temperature is an essential parameter of the global climate – but it is very difficult to measure. At least until now, because an international team of researchers including Empa scientists have now developed a novel method using the concentration of noble gases in the eternal ...

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Batteries with better performance and improved safety

28-Nov-2017

Phones, laptops, electric cars - batteries are everywhere. And to meet the expectations of today's consumers, these batteries are increasin­gly lighter, more powerful and designed to last longer. Currently the core technology for these applications is lithium ion batteries. But the technology is ...

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New batteries with better performance and improved safety

24-Nov-2017

Phones, laptops, electric cars - batteries are everywhere. And to meet the expectations of today's consumers, these batteries are increasingly light, more powerful and designed to last longer. Currently the most important technology for these applications is the lithium-ion battery technology: ...

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The stacked colour sensor

True colours meet minimization

17-Nov-2017

Red-sensitive, blue-sensitive and green-sensitive colour sensors stacked on top of each other instead of being lined up in a mosaic pattern - this principle could allow image sensors with unprecedented resolution and sensitivity to light to be created. However, up to now, the reality hasn't quite ...

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Low-cost battery from waste graphite

13-Oct-2017

Lithium ion batteries are flammable and the price of the raw material is rising. Are there alternatives? Yes: Empa and ETH Zürich researchers have discovered promising approaches as to how we might produce batteries out waste graphite and scrap metal. Kostiantyn Kravchyk works in the group of ...

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Nanomaterial helps store solar energy: efficiently and inexpensively

Field trials show that new catalyst material for electrolysers is reliable

19-Jul-2017

Efficient storage technologies are necessary if solar and wind energy is to help satisfy increased energy demands. One important approach is storage in the form of hydrogen extracted from water using solar or wind energy. This process takes place in a so-called electrolyser. Thanks to a new ...

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Microplastics from the washing machine

Textiles made from synthetic fibers release microfibers

27-Jun-2017

The presence of microplastics in our wastewater can be attributed primarily to two factors. Firstly, many cosmetic products, such as toothpaste, creams, shower gels, and peelings, contain tiny pieces of plastic in order to achieve a mechanical cleaning effect. Secondly, microplastics are washed ...

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