fact-checkedproofread Chemists create carbon materials for energy storage device from brewery waste type='text/javascript'> googletag. "This type of waste could be an interesting option for producing materials for supercapacitors if certain factors can be further optimized, such as the cost or the chemical composition of the raw material," adds Balducci. "This type of waste could be an interesting option for producing materials for supercapacitors if certain factors can be further optimized, such as the cost or the chemical composition of the raw material," adds Balducci