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Title: Negative electrodes for lithium cells and batteries

Patent ·
OSTI ID:1175239
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A negative electrode is disclosed for a non-aqueous electrochemical cell. The electrode has an intermetallic compound as its basic structural unit with the formula M.sub.2 M' in which M and M' are selected from two or more metal elements including Si, and the M.sub.2 M' structure is a Cu.sub.2 Sb-type structure. Preferably M is Cu, Mn and/or Li, and M' is Sb. Also disclosed is a non-aqueous electrochemical cell having a negative electrode of the type described, an electrolyte and a positive electrode. A plurality of cells may be arranged to form a battery.

Research Organization:
Univ. of Chicago, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-31-109-ENG-38
Assignee:
University Of Chicago
Patent Number(s):
6,855,460
Application Number:
10/068,230
OSTI ID:
1175239
Country of Publication:
United States
Language:
English

References (8)

Phase transitions in lithiated Cu2Sb anodes for lithium batteries: an in situ X-ray diffraction study journal July 2001
Active/Inactive Nanocomposites as Anodes for Li-Ion Batteries journal January 1999
Li[sub x]Cu[sub 6]Sn[sub 5] (0<x<13): An Intermetallic Insertion Electrode for Rechargeable Lithium Batteries journal January 1999
Tern�re Phosphide und Arsenide des Lithiums mit Eisen, Kobalt oder Chrom im Cu2Sb-Typ journal August 1968
Tin-Based Amorphous Oxide: A High-Capacity Lithium-Ion-Storage Material journal May 1997
Electrochemistry and in-situ X-ray diffraction of InSb in lithium batteries journal August 2000
Structural considerations of intermetallic electrodes for lithium batteries journal January 2003
Intermetallic Insertion Electrodes with a Zinc Blende-Type Structure for Li Batteries: A Study of Li[sub x]InSb (0≤x≤3) journal January 1999

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