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Title: Method for making carbon super capacitor electrode materials

Abstract

A method for making near-net-shape, monolithic carbon electrodes for energy storage devices. The method includes the controlled pyrolysis and activation of a pressed shape of methyl cellulose powder with pyrolysis being carried out in two stages; pre-oxidation, preferably in air at a temperature between 200.degree.-250.degree. C., followed by carbonization under an inert atmosphere. An activation step to adjust the surface area of the carbon shape to a value desirable for the application being considered, including heating the carbon shape in an oxidizing atmosphere to a temperature of at least 300.degree. C., follows carbonization.

Inventors:
 [1];  [2];  [3]
  1. (Dayton, OH)
  2. (Albuquerque, NM)
  3. (Dexter, MI)
Issue Date:
Research Org.:
Sandia National Laboratories (SNL-CA), Livermore, CA
Sponsoring Org.:
USDOE
OSTI Identifier:
871681
Patent Number(s):
5776384
Application Number:
08/511,384
Assignee:
Sandia Corporation (Livermore, CA) ALO
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; carbon; super; capacitor; electrode; materials; near-net-shape; monolithic; electrodes; energy; storage; devices; controlled; pyrolysis; activation; pressed; shape; methyl; cellulose; powder; carried; stages; pre-oxidation; preferably; air; temperature; 200; degree; -250; followed; carbonization; inert; atmosphere; step; adjust; surface; value; desirable; application; considered; including; heating; oxidizing; 300; follows; carbon electrode; storage device; energy storage; electrode material; inert atmosphere; storage devices; electrode materials; oxidizing atmosphere; carbon electrodes; super capacitor; monolithic carbon; activation step; ethyl cellulose; including heat; methyl cellulose; /264/

Citation Formats

Firsich, David W., Ingersoll, David, and Delnick, Frank M. Method for making carbon super capacitor electrode materials. United States: N. p., 1998. Web.
Firsich, David W., Ingersoll, David, & Delnick, Frank M. Method for making carbon super capacitor electrode materials. United States.
Firsich, David W., Ingersoll, David, and Delnick, Frank M. Thu . "Method for making carbon super capacitor electrode materials". United States. https://www.osti.gov/servlets/purl/871681.
@article{osti_871681,
title = {Method for making carbon super capacitor electrode materials},
author = {Firsich, David W. and Ingersoll, David and Delnick, Frank M.},
abstractNote = {A method for making near-net-shape, monolithic carbon electrodes for energy storage devices. The method includes the controlled pyrolysis and activation of a pressed shape of methyl cellulose powder with pyrolysis being carried out in two stages; pre-oxidation, preferably in air at a temperature between 200.degree.-250.degree. C., followed by carbonization under an inert atmosphere. An activation step to adjust the surface area of the carbon shape to a value desirable for the application being considered, including heating the carbon shape in an oxidizing atmosphere to a temperature of at least 300.degree. C., follows carbonization.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {1}
}

Patent:

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