Energy & Green Tech

Small change could enable big improvement in batteries

An electric car with a long range, a cell phone that you only need to charge once a week. Not only are we using more and more batteries, but we also want them to be compact, able to store a lot of energy and to charge quickly. ...

Energy & Green Tech

New batteries could share a unique bond with milk and kitchen foil

Since the discovery of electricity, inventors have struggled with how to store it. Batteries emerged relatively quickly as the most common way to preserve energy chemically, but from portability to rechargeability, it has ...

Energy & Green Tech

Engineering next generation solar powered batteries

Secondary batteries, such as lithium ion batteries, need to be recharged once the stored energy is used up. In a bid to decrease our dependence on fossil fuels, scientists have been exploring sustainable ways to recharge ...

Energy & Green Tech

Prize-winning technology for large-scale energy storage

Safe, cheap and sustainable technology for energy storage has been developed at the Laboratory of Organic Electronics, Linköping University. It is based on two major breakthroughs: the manufacture of wood-based electrodes ...

Energy & Green Tech

Environmentally friendly manufacture of battery electrodes

Conventional processes for manufacturing battery electrodes involve mostly toxic solvents and require a lot of space and energy. This is not the case with DRYtraec—a new dry-coating process developed by the Fraunhofer Institute ...

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Electrode

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte or a vacuum). The word was coined by the scientist Michael Faraday from the Greek words elektron (meaning amber, from which the word electricity is derived) and hodos, a way.

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