No future without scarce metals

It is not just in laptop computers, mobile telephones and LED screens that scarce metals are to be found but also in solar cells, batteries for mobile technologies and many other similar applications. The rising demand for these metals increases the risk of a bottleneck in supplies. Empa researchers and representatives from industry explained at the Technology Briefing why scarce metals are essential for many key technologies and how an impending scarcity might be avoided. Read more