Claims
- 1. A battery comprising a cell tablet and a pair of current collector plates disposed respectively on the upper face and lower face of said cell tablet; said cell tablet having a positive-electrode powder composition, a solid electrolyte powder composition, and a negative-electrode powder composition in this order, and further having an electron-conductive means in the inside or on the surface of at least one of said positive-electrode powder composition and said negative-electrode powder composition, wherein said cell tablet is formed into a four- or five-layered tablet by the application of pressure, thereby reducing the internal resistance of said battery; wherein said positive-electrode powder composition comprises a positive active material, an electroconductive material, a binding agent, and a solid electrolyte; said negative-electrode powder composition comprises a negative active material, an electroconductive material, a binding agent, and a solid electrolyte; and said solid electrolyte powder composition comprises a solid electrolyte; wherein said positive active material is manganese dioxide or nickel oxide; said negative active material is selected from the group consisting of TiNi, TiNiB.sub.0.01, TiNiMm.sub.0.01, LaNi.sub.5, and TiFe; said electroconductive material is acetylene black; said binding agent is present in said positive-electrode powder composition and said negative-electrode powder composition in an amount of 3 to 20% by weight; and said solid electrolyte comprises an acid hydrate selected from the group consisting of SnO.sub.2.3H.sub.2 O and Sb.sub.2 O.sub.5.nH.sub.2 O (n=3 to 6), in an amount of 10 to 60% by weight; wherein said electron-conductive means is selected from the group consisting of metals, metal alloys, metal-coated materials, electroconductive polymers, and electroconductive ceramics.
- 2. A battery comprising a cell tablet and a pair of current collector plates disposed respectively on the upper face and lower face of said cell tablet, said cell tablet having:
- a positive-electrode powder composition comprising:
- a positive active material selected from the group consisting of manganese dioxide, nickel oxide, tungsten trioxide, lead dioxide, and molybdenum trioxide;
- an electroconductive material selected from the group consisting of acetylene black, plumbago, graphite, carbon black, and nickel powder, said electroconductive material being present in an amount of 3 to 20% by weight based on the total weight of said positive-electrode powder composition;
- a binding agent selected from the group consisting of carboxymethylcellulose, polytetrafluoroethylene, salts of carboxymethylcellulose, poly vinyl alcohol, polyethylene, agar, and methylcellulose, said binding agent being present in an amount of 3 to 20% by weight based on the total weight of said positive-electrode powder composition; and
- a solid electrolyte selected from the group consisting of SnO.sub.2.3H.sub.2 O and Sb.sub.2 O.sub.5.nH.sub.2 O (n=3 to 6), said solid electrolyte being present in an amount of 10 to 60% by weight based on the total weight of said positive-electrode powder composition;
- a negative-electrode powder composition comprising:
- a negative active material selected from the group consisting of TiNi, TiNiB.sub.0.01, TiNiMm.sub.0.01, LaNi.sub.5, and TiFe;
- an electroconductive material selected from the group consisting of acetylene black, plumbago, graphite, carbon black, and nickel powder, said electroconductive material being present in an amount of 3 to 20% by weight based on the total weight of said negative-electrode powder composition;
- a binding agent selected from the group consisting of carboxymethylcellulose, polytetrafluoroethylene, salts of carboxymethylcellulose, polyvinyl alcohol, polyethylene, agar, and methylcellulose, said binding agent being present in an amount of 3 to 20% by weight based on the total weight of said positive-electrode powder composition; and a solid electrolyte selected from the group consisting of SnO.sub.2.3H.sub.2 O and Sb.sub.2 O.sub.5.nH.sub.2 O (n=3 to 6), said solid electrolyte being present in an amount of 10 to 60% by weight based on the total weight of said negative-electrode powder composition;
- a solid electrolyte powder composition positioned between said positive-electrode powder composition and said negative-electrode powder composition, comprising a solid electrolyte selected from the group consisting of SnO.sub.2.3H.sub.2 O and Sb.sub.2 O.sub.5.nH.sub.2 O (n=3 to 6); and
- an electron-conductive means positioned in the inside or on the surface of at least one of said positive-electrode powder composition and said negative-electrode powder composition, said electron-conductive means being selected from the group consisting of metals, metal alloys, metal-coated materials, electroconductive polymers, and electroconductive ceramics,
- wherein said cell tablet is formed into a four- or five-layered tablet by the application of pressure, thereby reducing the internal resistance of said battery.
- 3. A battery according to claim 2, wherein said solid electrolyte powder composition further comprises a binding agent selected from the group consisting of carboxymethylcellulose, polytetrafluoroethylene, salts of carboxymethylcellulose, polyvinyl alcohol, polyethylene, agar, and methylcellulose, said binding agent being present in a proportion of not more than 20 parts by weight per 100 parts by weight of said electrolyte-supporting material.
- 4. A battery according to claim 3, wherein said positive active material is manganese dioxide or nickel dioxide; said negative active material is TiNiMm.sub.0.01 ; said electroconductive material is acetylene black; said binding agent contained in the positive-electrode powder composition and the negative-electrode powder composition is carboxymethylcellulose or polytetrafluoroethylene; said solid electrolyte contained in the positive-electrode powder composition, the negative-electrode powder composition, and the solid electrolyte powder composition, is SnO.sub.2.3H.sub.2 O or Sb.sub.2 O.sub.5.nH.sub.2 O (n=3 to 6); said binding agent contained in the solid electrolyte powder composition is carboxymethylcellulose; and said electron-conductive means is a nickel net.
Priority Claims (1)
Number |
Date |
Country |
Kind |
62-225977 |
Sep 1987 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 07/242,613 filed on Sept. 9, 1988, now abandoned.
US Referenced Citations (9)
Foreign Referenced Citations (2)
Number |
Date |
Country |
1546611 |
Sep 1976 |
GBX |
1546613 |
Sep 1976 |
GBX |
Continuations (1)
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Number |
Date |
Country |
Parent |
242613 |
Sep 1988 |
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