About 26 results
https://drivepatents.com/patents/1010781 · 27 Jul 2011
The present invention provides an alkaline battery which has high reliability and high cost performance and does not cause an internal short circuit resulting from gel leakage even when the filling densities of the positive and negative electrodes are redu...
https://drivepatents.com/patents/1011919 · 15 Jun 2011
A primary battery for the production of electric energy provided with an aluminium or aluminium alloy electrode as negative electrode and a positive electrode containing hydrogen peroxide.
https://drivepatents.com/patents/1012902 · 18 May 2011
The present invention provides a mercury-free alkaline dry battery which is improved in discharge characteristic at low cost. The mercury-free alkaline dry battery includes: a positive electrode; a negative electrode; and a separator, wherein a negative el...
https://drivepatents.com/patents/1012900 · 18 May 2011
The present invention provides a mercury-free alkaline dry battery in which a utilization ratio of zinc as a negative electrode active material is increased to improve a discharge characteristic, the mercury-free alkaline dry battery including: a positive ...
https://drivepatents.com/patents/1013279 · 4 May 2011
A new cathode design having a first cathode active material of a relatively low energy density but of a relatively high rate capability contacted to one side of a current collector and a second cathode active material having a relatively high energy densit...
https://drivepatents.com/patents/1076961 · 15 Jun 2005
According to the invention, a high capacity alkali primary battery excellent in high rate characteristics is obtained using a positive electrode active substance, wherein the particles of the nickel oxyhydroxide base compound as the positive electrode acti...
https://drivepatents.com/patents/1079030 · 30 Mar 2005
The object of the invention is to provide an alkali primary battery being excellent in high rate discharge characteristics with less increase of the inner pressure by generating hydrogen in the overdischarge process. [0002] The invention provides a sealed ...
https://drivepatents.com/patents/1081635 · 15 Dec 2004
In a lithium primary cell comprising a positive electrode, a negative electrode and an electrolyte containing an aprotic organic solvent and a support salt, the discharge capacity and energy density of the cell are improved and the service life is prolonge...
https://drivepatents.com/patents/1084824 · 18 Aug 2004
A non-aqueous primary cell intended to increase the discharge capacity and lower the operating voltage while reducing the size and weight is provided. [0002] A non-aqueous primary cell contains a positive active material containing nickel oxyhydroxide as a...
https://drivepatents.com/patents/1085013 · 11 Aug 2004
An electrochemical cell contains an anode, a separator, and a cathode composed of manganese dioxide, and incorporating an inorganic crystalline additive of tungsten oxide, compounds of zirconium, titanium oxide with rutile structure, yttrium oxide, cerium ...