A valve-regulated lead-acid battery is provided including separators comprising glass microfibres, plastic microfibres or a mixture of both, characterised in that the separators consist substantially of the cited glass microfibres, plastic microfibres or a...

A process of manufacturing valve-regulated lead-acid batteries, comprising pasting lead alloy grids with a paste comprising lead oxide, sulphuric acid and water, thereby forming plates which when recently pasted are wet, characterised in that said process ...

An electric accumulator battery, comprising a recipient which is closed by means of a lid composed of a lower lid and an upper lid joined together, delimiting an intermediate chamber. The lower lid has filling holes (15), in which closing stoppers with a g...

An electric accumulator battery, constituted of a series of independent modules, each of which comprises a recipient with a lid subdivided into cells in which positive and negative helically wound electrodes and an intermediate separator are housed. The re...

Electric accumulator battery, which comprises a receptacle (1) with cover, of a size which fits in the compartment traditionally reserved for this purpose in a motor vehicle. This receptacle is subdivided internally into a series of cells (2) that are dist...

Alkaline secondary battery having an improved positive nickel electrode, and its activation process, of the Ni/MH, Ni/Cd, Ni/Zn or Ni/Fe type, comprising an improved positive nickel pasted electrode, a negative electrode, an alkaline electrode, a separator...