20 May '16, 7pm

Unusual Alloy Brings Magnesium-ion Batteries Closer

Unusual Alloy Brings Magnesium-ion Batteries Closer

At the beginning of 2014 when a Boeing Dreamliner aircraft caught fire due to the lithium in the rechargeable batteries igniting , we were all reminded that Li-ion batteries have some fundamental safety issues. One alternative, the magnesium-ion battery , doesn’t present the same safety risks. However, it has been a real struggle to create electrodes for magnesium batteries that don’t fail quickly. Now researchers at the Department of Energy’s Pacific Northwest National Laboratory (PNNL) are looking at an alloy made from tin and antimony that may hold the secret to making the magnesium-ion battery a more viable alternative. This tin/antimony alloy has been identified as an attractive material for the electrodes of magnesium-ion batteries with a theoretical capacity of 768 milliamperes per hour per gram. In research described in the journal Advanced Materials , the PNNL res...

Full article: http://spectrum.ieee.org/nanoclast/semiconductors/materia...

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