Compost Power? Your Old Coffee Grounds Could Soon Be Used in Next-Gen Batteries

Coffee grounds have been found to be a potential solution for lithium-sulfur batteries, as they can be used as electrodes in next-gen batteries. The Australian Research Council’s Microrecycling Research Hub discovered the new use for coffee grounds, which can be made into porous carbon via pyrolysis. This process, which involves high temperatures heating up coffee grounds without oxygen, results in different pore sizes that are better at trapping chemicals. The carbon produced by coffee grounds made the lithium-sulfur batteries more stable and increased their performance. This could make next-gen batteries a highly in-demand product, as grounds are cheap and readily available.

Australian researchers have also been exploring the world of coffee, with recent findings from the University of New South Wales on making cold-brew coffee in just three minutes and a better cup of coffee by adding water to beans before grinding them. These findings could help improve coffee brews and use by-products to make other items even better. The battery value chain is typically diverse, and using waste produced at scale for battery components can address both environmental and sustainability concerns.

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