An unsintered positive electrode for an alkaline accumulator, comprising: - a current-conducting metal support with a thickness less than or equal to 150 microns and - a paste comprising an electrochemically active material based on nickel hydroxide and a ...

Nonfritted electrode comprising a two-dimensional conductive support covered with a layer comprising an electrochemically active material and a binder which is a mixture of a styrene-acrylate copolymer and a cellulosic compound. An independent claim is als...

Active electrochemical material, consists of monophase particles of hydroxide with alpha crystallographic structure containing mainly nickel. Apparent volume mass of hydroxide ≥ 1.75 g/cm. By preference nickel hydroxide contains at least one syncrystalli...

The present invention relates to a non-sintered electrode comprising a two-dimensional metallic conductive support and a paste comprising an electrochemically active material containing nickel hydroxide and a binder which is a mixture of an elastomer const...

The nickel electrode for alkaline secondary battery according to the present invention is obtained by applying a paste containing active material particles comprising nickel hydroxide to a conductive substrate and drying the paste on the conductive substra...

Nickel hydroxide particles serving as active material particles contain cobalt having a valence of 3 through 3.2 as a solid-solution element. The charge acceptance is thus improved.

A positive electrode active material for an alkaline storage battery comprising a nickel based multi-metals oxide characterized by the ability to reversibly cycle between beta-nickel hydroxide and gamma-nickel oxihydroxide crystalline phases during electro...

An active material for a positive electrode of an alkaline storage battery comprising particles containing nickel hydroxide and provided with pores, and a conductive material filled in the pores. The conductive material includes a cobalt compound and at le...

The positive electrode active material powder of this invention includes beta -nickel hydroxide particles containing aluminum in a ratio of 0.5 through 9 atom% based on the total amount of nickel and aluminum and having a half-width of a peak in a plane (1...