Wyatt Tenhaeff, at the University of Rochester in New York State, has also made lignin-derived anodes in laboratory settings. Lignin is "really cool", he says, because it is a byproduct that could have many potential uses. In experiments, he and his colleagues found that they could use the lignin to make an anode with a self-supporting structure, which didn't require glue or a copper-based current collector – a common component in lithium ion batteries. Despite the fact that this could reduce the cost of lignin-derived carbon anodes, he is sceptical that they can compete commercially with graphite anodes.
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