An alkali storage battery using power generation elements composed of a positive electrode comprising nickel (Ni) oxide as main materials, a negative electrode, a separator and an alkali aqueous solution, wherein materials of said positive electrodes are s...

A secondary battery can prevent microscopic short circuit due to shedding of active material from an electrode and secure electric connection between the electrode and an electrode terminal. According to an example of means for preventing shedding of activ...

The present invention provides batteries with low cost, excellent in high rate discharge characteristics (high power characteristics) and high reliability. For example, the present invention provides Ni/MH batteries with low cost, excellent in high rate di...