A material in crab shells has been used to brew booze, dress wounds, and store energy.
But our batteries aren’t perfect. Even if they’ll one day underpin a world that’s sustainable, today they’re made from materials that aren’t. They rely on heavy metals or non-organic polymers that might take hundreds of years to degrade. That’s why battery disposal is such a tricky task.
Batteries themselves, full of environmentally unfriendly materials, aren’t the greenest. They’re rarely sustainably made, either, reliant on. Even if batteries can last thousands of discharges and recharges, thousands more get binned every day. You can sculpt things from chitosan gel, too. Because chitosan is biodegradable and non-toxic, it’s especially good for making things that must go into the human body. It’s entirely possible that hospitals of the future might use specialized 3D printers to carve chitosan into tissues and organs for transplants.. Largely experimental today, these rechargeable batteries could one day form the backbone of an energy storage system.
France Dernières Nouvelles, France Actualités
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