Method of making a high performance ultracapacitor

Patent · Tue May 09 00:00:00 EDT 2000

OSTI ID:20050914

Farahmandi, C J; Dispennette, J M

A high performance double layer capacitor having an electric double layer formed in the interface between activated carbon and an electrolyte is disclosed. The high performance double layer capacitor includes a pair of aluminum impregnated carbon composite electrodes having an evenly distributed and continuous path of aluminum impregnated within an activated carbon fiber preform saturated with a high performance electrolytic solution. The high performance double layer capacitor is capable of delivering at least 5 Wh/kg of useful energy at power ratings of at least 600 W/kg.

• Sponsoring Organization: USDOE
• OSTI ID: 20050914
• Resource Relation: Other Information: PBD: 9 May 2000
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
CAPACITORS
PERFORMANCE
COMPOSITE MATERIALS
ELECTRODES
ELECTROLYTES
CARBON FIBERS
ACTIVATED CARBON
ALUMINIUM ALLOYS