Claims
- 1. A prismatic sealed alkaline storage battery with a nickel hydroxide electrode, comprising:
- a nickel hydroxide active material containing from 12 to 20% by weight of cobalt based on the sum of nickel and cobalt; and
- a substrate for holding said active material, said substrate having a porosity of from 86 to 98%.
- 2. A prismatic sealed alkaline storage battery as claimed in claim 1, wherein said substrate is a sintered plaque of carbonyl nickel powder.
- 3. A prismatic sealed alkaline storage battery as claimed in claim 1, wherein said nickel hydroxide active material is spherical particles and said substrate is a metallic foamed plaque or a metallic fibrous plaque.
- 4. A prismatic sealed alkaline storage battery as claimed in claim 1, further comprising an electrolyte of a mixed solution of sodium hydroxide and potassium hydroxide.
- 5. A prismatic sealed alkaline storage battery as claimed in claim 1, further comprising a plastic case.
- 6. A prismatic sealed alkaline storage battery as claimed in claim 1, further comprising a negative electrode of one of cadmium, zinc, and hydrogen-absorbed alloy.
- 7. A prismatic sealed alkaline storage battery as claimed in claim 1, further comprising a safety valve operating at a pressure of not more than 4 kg/cm.sup.2.
- 8. A prismatic sealed alkaline storage battery as claimed in claim 1, wherein said nickel hydroxide electrode has a residual porosity of from 30 to 40%.
- 9. A prismatic sealed alkaline storage battery as claimed in claim 1, wherein said nickel hydroxide electrode has a thickness of from 1 to 4 mm.
- 10. A prismatic sealed alkaline storage battery as claimed in claim 5, wherein said plastic case has a monoblock structure.
- 11. A prismatic sealed alkaline storage battery as claimed in claim 10, wherein said monoblock structure comprises monoblock modules arranged as battery packs.
- 12. A prismatic sealed alkaline storage battery as claimed in claim 1, wherein said nickel hydroxide active material contains from 16 to 20% by weight of cobalt based on the sum of nickel and cobalt.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3-135927 |
May 1991 |
JPX |
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Parent Case Info
This is a Continuation of application Ser. No. 07/880,558 filed May 8, 1992.
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Continuations (1)
|
Number |
Date |
Country |
Parent |
880558 |
May 1992 |
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