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Title: Heteroatom incorporated coke for electrochemical cell electrode

This invention relates to an electrode for a coke/alkali metal electrochemical cell comprising: (a) calcined coke particles: (i) that contain at least 0.5 weight percent of nitrogen heteroatoms and at least 1.0 weight percent sulfur heteroatoms, and (ii) that have an average particle size from 2 microns to 40 microns with essentially no particles being greater than 50 microns. (b) a binder This invention also relates to a coke/alkali metal electrochemical cell comprising: (a) an electrode as described above, (b) a non-aqueous electrolytic solution comprising an organic aprotic solvent and an electrically conductive salt, and (c) a counterelectrode.
Inventors:
 [1];  [2]
  1. (Strongsville, OH)
  2. (Medina, OH)
Issue Date:
OSTI Identifier:
871003
Assignee:
UCAR Carbon Technology Corporation (Danbury, CT) CHO
Patent Number(s):
US 5639576
Contract Number:
FC02-91CE50336
Research Org:
United States Advanced Battery Consortium, Dearborn, MI (US)
Country of Publication:
United States
Language:
English
Subject:
heteroatom; incorporated; coke; electrochemical; cell; electrode; relates; alkali; metal; comprising; calcined; particles; contain; weight; percent; nitrogen; heteroatoms; sulfur; ii; average; particle; size; microns; 40; essentially; 50; binder; described; non-aqueous; electrolytic; solution; organic; aprotic; solvent; electrically; conductive; salt; counterelectrode; aprotic solvent; electrolytic solution; weight percent; alkali metal; electrochemical cell; electrically conductive; particle size; solution comprising; cell comprising; average particle; cell electrode; aqueous electrolytic; non-aqueous electrolytic; organic aprotic; conductive salt; calcined coke; /429/