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Shows enhanced energy storage in supercapacitors using activated carbon from wastewater sludge, suggesting sustainable recycling methods.
Activated carbon derived from wastewater sludge by single-step carbonisation via H 3 PO 4 activation used in a supercapacitor exhibits good energy storage and stability, owing to the nature of the sludge, the activation process, and the electrolyte.
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Bello et al. (2026) studied this question.
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