In 1991, Sony brought the first rechargeable lithium-ion battery to market. The unique chemistry proved a game-changer in energy storage. Today everything from EVs to smartphones depends on it, with demand skyrocketing.  But lithium is rare, most of it comes from unstable markets outside Europe, and its extraction can cause extensive pollution. We need more lithium to enable the green transition and yet, currently, its use is unsustainable — both environmentally and economically. We’re stuck in a paradox. Munich-based startup Tozero believes that battery recycling offers a way out. Recycling batteries is far from a new concept, but the German startup…

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