Supercapacitors based on carbon foams
Patent
·
OSTI ID:5335015
A high energy density capacitor incorporating a variety of carbon foam electrodes is described. The foams, derived from the pyrolysis of resorcinol-formaldehyde and related polymers, are high density (0.1 g/cc-1.0 g/cc) electrically conductive and have high surface areas (400 m[sup 2]/g-1000 m[sup 2]/g). Capacitances on the order of several tens of farad per gram of electrode are achieved. 9 figures.
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- PTO; EDB-94-056195
- Patent Number(s):
- US 5260855; A
- Application Number:
- PPN: US 7-822438
- OSTI ID:
- 5335015
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
360606 -- Other Materials-- Physical Properties-- (1992-)
42 ENGINEERING
426000* -- Engineering-- Components
Electron Devices & Circuits-- (1990-)
CAPACITORS
DESIGN
DIELECTRIC MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
EQUIPMENT
FABRICATION
MATERIALS
PHYSICAL PROPERTIES
360601 -- Other Materials-- Preparation & Manufacture
360606 -- Other Materials-- Physical Properties-- (1992-)
42 ENGINEERING
426000* -- Engineering-- Components
Electron Devices & Circuits-- (1990-)
CAPACITORS
DESIGN
DIELECTRIC MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
EQUIPMENT
FABRICATION
MATERIALS
PHYSICAL PROPERTIES