About 14 results
https://drivepatents.com/patents/1067345 · 24 May 2006
A device which transfers energy charged in an arbitrary cell among cells (71) from said cell to the input/output terminals of a unit energy storage device (91), comprises a transformer (T1) having a plurality of coils comprising primary (77) switching circ...
https://drivepatents.com/patents/1078095 · 4 May 2005
A power circuit includes a linear voltage control block 5 for stepping down a charged voltage of a power assist capacitor to a predetermined voltage value within an operating voltage range of a load when an output voltage of a power supply in the form of a...
https://drivepatents.com/patents/1081060 · 5 Jan 2005
The present invention relates to an electrode for an electrochemical cell which comprises a cathode containing a proton-conducting compound as an electrode active material, an anode containing a proton-conducting compound as an electrode active material an...
https://drivepatents.com/patents/1082381 · 17 Nov 2004
The present invention provides for an electrochemical cell stack formed of a plurality of electrochemical cell units each comprising a sheet separator; a pair of cathodic and anodic sheet electrodes impregnated with an electrolytic solution and disposed fa...
https://drivepatents.com/patents/1082809 · 27 Oct 2004
This invention relates to an electrochemical cell comprising a cathode containing a proton-conducting compound as an electrode active material, an anode containing a proton-conducting compound as an electrode active material and an aqueous electrolytic sol...
https://drivepatents.com/patents/1082976 · 20 Oct 2004
The invention provides for a unit cell for a fuel cell including a membrane electrode assembly (3) comprising an electrolyte membrane and a pair of electrodes (2) sandwiching the electrolyte membrane (1) on its sides and with conductive wires (5) forcedly ...
https://drivepatents.com/patents/1084981 · 11 Aug 2004
A power circuit is provided which is capable of lengthening use time of a battery (59) in a portable communication terminal of a TDMA (Time Division Multiple Access) or TDD (Time Division Duplex) type portable communication devices, and of making them comp...
https://drivepatents.com/patents/1088517 · 31 Mar 2004
The present invention provides for gaskets in a storage element such as a battery or an electric double-layer capacitor of a multiple-layer construction composed of a plurality of layers having holes of different inside dimensions wherein the upper-layer g...
https://drivepatents.com/patents/1089685 · 11 Feb 2004
This invention provides an electrode for an electrochemical cell in which an active material in an electrode material is a proton-conducting compound, wherein the electrode material comprises a nitrogen-containing heterocyclic compound or a polymer having ...
https://drivepatents.com/patents/1091446 · 3 Dec 2003
In a hybrid power supply system which includes an electric double layer capacitor (10) having a pair of capacitor terminals (11 and 12), an energy storage (70a), and first and second bidirectional DC/DC converters (30a and 30b), the above-mentioned pair of...