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• A new concept for low-cost batteries
  

  As the world builds out ever larger installations of wind and solar power systems, the need is growing fast for economical, large-scale backup systems to provide power when the sun is down and the air is calm. Today’s lithium-ion batteries are still too expensive for most such applications, and othe more

• Thermoelectrics: from heat to electricity
  

  Researchers at TU Wien have developed a new concept to convert thermal energy into electrical energy more efficiently. Energy losses can thus be minimised. A lot of heat gets lost during the conversion of energy. Estimates even put it at more than 70%. However, in thermoelectric materials, such as t more

• Record-breaking and readily available – aluminium complex with very strong fluorescence discovered
  

  Chemists at the University of Jena, Germany have set a new record, having discovered a fluorescent aluminium complex with the highest quantum yield known to date. For virtually every photon absorbed by the substance, a photon is emitted. This could be of benefit in applications such as LED technolog more

Infographics Aluminium

The Chemistry of Fireworks

The obvious place to start is the bangs of fireworks when they explode into bursts of colour. These can be produced simply by compacted gunpowder, which if suitably confined can give a decent result. However, it’s more common for the ignition of a specific explosive mixture to be utilised. This mixt more

Aluminium Chlorohydrate

The second in the ‘Everyday Compounds’ series looks at a chemical that the majority of us probably have sitting somewhere in our home. Aluminium chlorohydrate is the active ingredient in many antiperspirants, so how does it work – and why does a casual google search for it bring up a plethora of lin more

Testing for Cations

A previous post looked at the colours of transition metals, and the origin of their colours – this graphic, on the other hand, looks at how transition metals (and some non-transition metals) can be identified by the precipitates they form with sodium hydroxide and ammonia solutions. I’m going to kee more