Clean energy tech needs to be designed for recycling, experts say
Abbott says manufacturers are just starting to wake up to the fact that recovering the critical materials inside clean energy technologies is important for shoring up long-term supplies — and that new design approaches are needed to facilitate that. “Really only in the last 18 months or so, that conversation has started to raise its head,” he says.
Abbott and Harper’s new paper lays out a number of potential paths toward a more recyclable clean tech sector. While solar manufactures are unlikely to eliminate adhesives any time soon, the authors suggest manufacturers could move toward adhesives and sealant materials that can be unstuck using chemicals, magnetic fields, or even a high-frequency sonic pulse.
Designs that use fewer adhesives could help improve EV battery recycling immensely. If batteries were easier to take apart down to the individual cells, Harper says it could make it easier to recover critical materials inside the cathode, including lithium, which is rarely recycled today.
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