Mouser offers inventory, pricing, & datasheets for Supercapacitors / Ultracapacitors. . High-performance supercapacitor electrode sheet with a thickness of 200-220um for optimal energy storage. Features a compaction density of 0. 51g/cm3 and an impressive A-carbon ratio of 96% for enhanced conductivity. Pricing (USD) Filter the results in the table by unit price based on your quantity. A tariff of 55 % may be applied if shipping to the United States. Electric double-layer capacitors (EDLC) are also known as supercapacitors, electrochemical double layer capacitors (EDLCs). . Supercapacitors, also known as ultracapacitors or electric double-layer capacitors (EDLCs), are advanced energy storage devices that bridge the gap between traditional capacitors and batteries.