Supercapacitor

Green Impact Scientists convert cigarette butts into new material for fast, durable energy storage

Study turns cigarette butts into porous biochar electrodes with high capacitance and 95% retention after 10,000 cycles.

Green Impact High-efficiency smart energy device stores solar power for use after dark

Discoveries Cement-based supercapacitor can power your house all day long

Discoveries MIT scientists create revolutionary energy-storing cement

Discoveries Low-cost battery-like device absorbs CO2 emissions while it charges