by Léa PERNELLE Freiberg, Germany (AFP) Researcher Anna Vanderbruggen peers into a vat of dark bubbling liquid, the result of a process she has developed to recover graphite from old lithium-ion batteries. Although graphite represents up to a quarter of the weight of the batteries, no one has yet come up with a viable plan to recycle it, according to Vanderbruggen. The 29-year-old researcher is still fine-tuning her method but has already received an award […]