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Materials for energy

Materials for energy

Improved battery capacity? Sounds like my cup of tea

07 Jan 2017 Peter Griffin 
Researchers make a battery anode from waste tea leaves. Credit: hot-drink-web-636725480-iStock_StefanieDegner
Researchers make a battery anode from waste tea leaves. Credit: iStock/StefanieDegner
There are some strange uses for a spent tea bag after it’s made your cuppa, but work published in

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Peter Griffin is a PhD student contributor to Physics World. Peter is studying nanotechnology at the University of Cambridge. Find out more about our student contributor networks
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