Solid polymer battery electrolyte and reactive metal-water batte

Details Solid polymer battery electrolyte and reactive metal-water batte Solid polymer battery electrolyte and reactive metal-water batte

1998-11-11

2000-11-14

Weiner, Laura

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to addition of liquid

429315, 429317, 4292316, 4292319, 42923195, H01M 634

Patent

active

061467871

ABSTRACT:
In one implementation, a reactive metal-water battery includes an anode comprising a metal in atomic or alloy form selected from the group consisting of periodic table Group 1A metals, periodic table Group 2A metals and mixtures thereof. The battery includes a cathode comprising water. Such also includes a solid polymer electrolyte comprising a polyphosphazene comprising ligands bonded with a phosphazene polymer backbone. The ligands comprise an aromatic ring containing hydrophobic portion and a metal ion carrier portion. The metal ion carrier portion is bonded at one location with the polymer backbone and at another location with the aromatic ring containing hydrophobic portion. The invention also contemplates such solid polymer electrolytes use in reactive metal/water batteries, and in any other battery.

REFERENCES:
patent: 4840856 (1989-06-01), Nakacho et al.
patent: 5414025 (1995-05-01), Allcock et al.
Allcock, Harry R. et al., "Synthesis and Characterization of Ionically Conducting Alkoxy Ether/Alkoxy Mixed-Substituent Poly(organophosphazenes) and Their Use as Solid Solvents for Ionic Conduction", Macromolecules, v. 29, #6, p. 1951-6, (1996).
Allcock, Harry R. et al., "Synthesis of Polyphosphazenes with Ethyleneoxy-Containing Side Groups: New Solid Electrolyte Materials", Macromolecules, vol. 29, No. 10, pp. 3384-389 (1996).
Allcock, Harry R. et al.,"Synthesis of Polyphosphazenes with Ethyleneoxy-Containing Side Groups: New Solid Electrolyte Materials", Macromolecules, vol. 29, No. 10, pp. 3384-389 (1996).
Selvaraj, I. Immanuel et al., "Synthesis and Ionic Conductivity Studies of New Water Insoluble Polyphosphazene Polymer Electrolytes", J. Electrochemical Society, vol. 142, No. 10, pp. 3434-37 (Oct. 1995).
Allcock, Harry R. et al., "An Ionically Cross-Linkable Polyphosphazene: Poly[bis(carboxylatophenoxy)phosphazene]and its Hydrogels and Membranes", and Its Hydrogels and Membranes, Macromolecules, vol. 22, pp. 75-79 (1989).
MacDonald, Digby D., Yearly Report For Contract No. 95F144700*000, 3-55, September 1996.
Schuster, Nicholas, "Lithium-Water Power Source for Low Power-Long Duration Undersea Applications", I.E.E.E, No. 90CH2863 pp. 118-123 (1990).

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