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Short description
Empa is an interdisciplinary research and services institution for material sciences and technology development within the ETH Domain. Empas research and development activities are oriented to meeting the requirements of industry and the needs of our society, and link together applications-oriented research and the practical implementation of new ideas, science and industry, and science and society.
New record for flexible thin-film solar cells
Flexible solar cell with unprecedented efficiency: The Empa Laboratory for Thin Films and Photovoltaics, headed by Ayodhya N. Tiwari, has broken its own record. The researchers improved the efficiency of energy conversion in CIGS solar cells on flexible polymer substrate to 20.8%. This is 0 ... more
Can you cool with waste heat? Sure. A Swiss research project involving Empa, which ended in November, demonstrated this in an impressive way. Now a large-scale EU project is starting: industrial cooling – thanks to the Spanish sun. Every now and so often heating something up is unavoidable ... more
Recycling carbon dioxide from the ocean
Paper, tin cans, glass - the world recycles as much as possible. So why not declare the greenhouse gas carbon dioxide (CO2) a recycling product as well? Liquid fuels based on carbon will continue to play an important role in the future - despite international efforts to reduce them. So it s ... more
A water-based, rechargeable battery
First step to produce a cheap aquous electrolyte for powerful rechargeable batteries: Seven grams of sodium FSI (precise name: sodium bis(fluorosulfonyl)imide) and one gram of water produce a clear saline solution with an electrochemical stability of up to 2.6 volts – twice as much as other ... more
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