| 摘要 |
An alkaline primary battery includes a positive electrode containing at least nickel oxyhydroxide as a positive electrode active material, a negative electrode containing zinc or a zinc alloy as a negative electrode active material, a separator arranged between the positive electrode and the negative electrode, and an alkaline electrolyte. The nickel oxyhydroxide contains at least manganese and calcium as elements forming solid solution or eutectic crystal with the nickel oxyhydroxide.
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