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Title: Electrochemical cell

An electrochemical cell having an alkali metal negative electrode such as sodium and a positive electrode including Ni or transition metals, separated by a .beta." alumina electrolyte and NaAlCl.sub.4 or other compatible material. Various concentrations of a bromine, iodine and/or sulfur containing additive and pore formers are disclosed, which enhance cell capacity and power. The pore formers may be the ammonium salts of carbonic acid or a weak organic acid or oxamide or methylcellulose.
Inventors:
 [1];  [2];  [1]
  1. (Downers Grove, IL)
  2. (Naperville, IL)
Issue Date:
OSTI Identifier:
869462
Assignee:
University of Chicago (Chicago, IL) ANL
Patent Number(s):
US 5340668
Contract Number:
W-31109-ENG-38
Research Org:
Argonne National Laboratory (ANL), Argonne, IL
Country of Publication:
United States
Language:
English
Subject:
electrochemical; cell; alkali; metal; negative; electrode; sodium; positive; including; transition; metals; separated; beta; alumina; electrolyte; naalcl; compatible; material; various; concentrations; bromine; iodine; sulfur; containing; additive; pore; formers; disclosed; enhance; capacity; power; ammonium; salts; carbonic; acid; weak; organic; oxamide; methylcellulose; sulfur containing; transition metals; positive electrode; negative electrode; alkali metal; electrochemical cell; transition metal; electrode including; organic acid; ammonium salts; ammonium salt; compatible material; /429/