30 Sep '16, 1pm

Look inside a battery while it charges: New York University scientist have used MRI scanning to view inside b...

Look inside a battery while it charges: New York University scientist have used MRI scanning to view inside b...

“One challenge we wanted to solve was to make the measurements 3D and sufficiently fast, so that they could be done during the battery-charging cycle,” Said Professor Alexej Jerschow. “This was made possible by using intrinsic amplification processes, which allow one to measure small features within the cell to diagnose common battery failure mechanisms. We believe these methods could become important techniques for the development of better batteries.” The team was looking for ‘dendrites’ – growths inside than can short-out electrodes. This is not the first time MRI has been used for dendrite hunting, “however, such procedures have resulted in lower sensitivity and limited resolution, making it difficult to see dendrites in 3D and to precisely understand the conditions under which they accumulate”, said the University. Instead, they imaged the electrolyte, which became di...

Full article: http://www.electronicsweekly.com/news/research-news/look-...

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