Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8043738 | Liquid action substance battery A liquid action substance battery having its external terminal welded after assembling the battery in which safety of the battery is enhanced by protecting an explosion-proof valve against being torn apart in the subsequent welding work of the external terminal even... | 10/25/2011 |
| 8012633 | Advanced metal-air battery having a ceramic membrane electrolyte A metal-air battery is disclosed in one embodiment of the invention as including a cathode to reduce oxygen molecules and an alkali-metal-containing anode to oxidize the alkali metal (e.g., Li, Na, and K) contained therein to produce alkali-metal ions. An aqueous ca... | 09/06/2011 |
| 7927731 | Redox flow cell A redox flow cell is presented that utilizes a porous membrane separating a first half cell and a second half cell. The porous membrane is chosen to have a figure of merit (FOM) is at least a minimum FOM. A method of providing a porous membrane for a flow cell can i... | 04/19/2011 |
| 7687193 | Electrochemical battery incorporating internal manifolds An electrochemical battery includes a plurality of cells, each cell including negative and positive compartments to contain electrolyte solution. A manifold includes an outer manifold plate coupled to an inner manifold plate to supply and return electrolyte solution... | 03/30/2010 |
| 7682728 | Electrochemical battery incorporating internal manifolds An electrochemical battery includes a plurality of cells, each cell including negative and positive compartments to contain electrolyte solution. A manifold includes an outer manifold plate coupled to an inner manifold plate to supply and return electrolyte solution... | 03/23/2010 |
| 7585586 | Battery A small current environmental-friendly battery includes a positive electrode substrate and a negative electrode substrate that are conductors of different potentials, in which the positive electrode substrate can activate or ionize water. A film is interposed betwee... | 09/08/2009 |
| 7572546 | Biofuel cell The present invention discloses a new type of biofuel cell, based on the microbial regeneration of the oxidant, ferric ions. The bio-fuel cell is based on the cathodic reduction of ferric to ferrous ions, coupled with the microbial regeneration of ferric ions by the... | 08/11/2009 |
| 7537859 | Redox flow battery A redox flow battery 1 has a stack of individual cells, shown diagrammatically as a single cell, with anolyte and catholyte compartments divided from each other by an ionically selective and conductive separator and having respective electrodes. The battery h... | 05/26/2009 |
| 7459233 | Anode and battery The invention provides an anode capable of relaxing stress due to expansion and shrinkage of an anode active material layer associated with charge and discharge, or an anode capable of reducing structural destruction of the anode active material layer and reactivity... | 12/02/2008 |
| 7378188 | Storage device and method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel An apparatus and method for sorption and desorption of molecular gas contained by storage sites of graphite nano-filaments randomly disposed in three-dimensional reticulated aerogel. ... | 05/27/2008 |
| 7353083 | Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators A power generation system includes a vanadium redox battery that interfaces with a control system to optimize performance and efficiency. The power generation system may include one or more wind turbine generators and one or more diesel fuel generators. The control ... | 04/01/2008 |
| 7344801 | High-voltage dual electrolyte electrochemical power sources An electrochemical device such as a battery and a fuel cell having two electrolytes between the anode and the cathode. The electrochemical device is preferably arranged with an alkaline electrolyte in contact with the anode and an acidic electrolyte in contact with ... | 03/18/2008 |
| 7311966 | Porous insulating film and its laminates A porous insulating film comprising a highly heat resistant resin film having a fine porous structure with a mean pore size of 0.01-5 μm in at least the center of the film, and a porosity of 15-80%. A laminate is prepared by forming a heat resistant adhesive layer ... | 12/25/2007 |
| 7303811 | Porous insulating film and its laminates A porous insulating film comprising a highly heat resistant resin film having a fine porous structure with a mean pore size of 0.01-5 μm in at least the center of the film, and a porosity of 15-80%. A laminate is prepared by forming a heat resistant adhesive layer ... | 12/04/2007 |
| 7279250 | Battery including aluminum components A primary lithium battery can include a current collector that includes aluminum, a cap that includes aluminum, or both. The aluminum battery components can have high mechanical strength and low electrical resistance. ... | 10/09/2007 |
| 7265456 | Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator A power generation system includes a wind turbine generator and a vanadium redox battery to compensate for fluctuations in wind power. The wind turbine generator provides DC power that may be used to charge the vanadium redox battery. Generated DC power may also be ... | 09/04/2007 |
| 7258821 | Nickel-rich quaternary metal oxide materials as cathodes for lithium-ion and lithium-ion polymer batteries Positive electrode-active materials for use in lithium-ion and lithium-ion polymer batteries contain quaternary composite oxides of manganese, nickel, cobalt and aluminum where one of the four is present at levels of over 70 mol percent. The composite oxides can be ... | 08/21/2007 |
| 7255960 | Bi-liquid phase replenishment electrolyte management system An electrochemical cell system and methods for controlling the system are provided that are operated to produce an amount of current based upon power draw. The cell utilizes a solution phase catholyte introduced into a cell containing a metallic anode and a catalyti... | 08/14/2007 |
| 7250386 | Quantum limit catalysts and hydrogen storage materials A quantum limit catalyst. The instant quantum limit catalyst is comprised of atomic aggregations whose dimensions correspond to the quantum limit. In the quantum limit, the atomic aggregations acquire structural configurations and electronic interactions not attaina... | 07/31/2007 |
| 7247409 | Alkaline storage battery and hydrogen storage alloy electrode used therefor The hydrogen storage alloy electrode comprises: a conductive core material; and an active material layer which contains a hydrogen storage alloy powder and is carried on said core material, and the alloy powder has any shape selected from the group consisting of sph... | 07/24/2007 |
| 7238448 | Cathode for air assisted battery A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO2 and at least about 2% by weight of a hydrophobic polymer; the MnO2 consists essentially of electrochemically synthesized MnO | 07/03/2007 |
| 7227275 | Method for retrofitting wind turbine farms A power generation system with a predetermined rating limit includes one or more wind turbine generators and a vanadium redox battery. The vanadium redox battery absorbs excess energy to ensure that the rating limit is not exceeded, provide system stability, and imp... | 06/05/2007 |
| 7223497 | Hydrogen storage alloy, process for producing hydrogen storage alloy, hydrogen storage alloy electrode, process for producing hydrogen storage alloy electrode, and battery Hydrogen storage alloy has: (1) a main composition expressed by the formula of Mm-(Ni—Al—Co—Mn—Mo); (2) a ratio of the number of atoms expressed by the formula of (Ni—Al—Co—Mn—Mo) is 5.7 | 05/29/2007 |
| 7214443 | Secondary battery with autolytic dendrites A battery (100) comprises a cell having a cathode compartment (120) that includes an element that is oxidized during charging of the battery (100), wherein the oxidized element forms a salt with an acid and thereby increases the H+ concentration... | 05/08/2007 |
| 7205065 | Gastight prismatic nickel-metal hydride cell A gastight nickel/metal hydride cell for the storage of electrochemical energy, having at least one positive nickel oxide electrode and at least one hydrogen-storing negative electrode, a hydrophilic separator being arranged between the positive and negative electro... | 04/17/2007 |
| 7199997 | Asymmetric electrochemical supercapacitor and method of manufacture thereof An asymmetric supercapacitor has a positive electrode having a current collector an active material selected from the group consisting of manganese dioxide, silver oxide, iron sulfide and mixtures thereof, a negative electrode having a carbonaceous active material c... | 04/03/2007 |
| 7198867 | Electrochemical generation, storage and reaction of hydrogen and oxygen An electrolytic apparatus for using catalyst-coated hollow microspheres to produce gases, store them, and to make them available for later use. The apparatus uses catalyst-coated hollow microspheres in reversible electrochemical processes and reactions, such as thos... | 04/03/2007 |
| 7195841 | System and a method of solid storage and dissolution of a catholyte for use in electrochemical cell A system and a method of storage and dissolution of solid catholyte are provided. The system and the method employ a solid medium having a controlled surface from which solid catholyte particles suspended within a matrix of encapsulating species are dissolved and hy... | 03/27/2007 |
| 7176157 | Anode structure An anode structure comprising a ruthenium catalyst is disclosed. The catalyst consists essentially of ruthenium deposited on a conducting support wherein the ruthenium is in metallic form or in a form that is readily reducible to the metallic form at temperatures of... | 02/13/2007 |
| 7160639 | Johnson reversible engine An reversible engine (10) is disclosed having a conduit system (11), a first electrochemical cells (12), and a second electrochemical cell (13). The conduit system (11) includes a first conduit (15) extending from the first ... | 01/09/2007 |
| 7132199 | Non-aqueous electrolyte and non-aqueous electrolyte secondary battery A non-aqueous electrolyte containing propylene carbonate and 1,3-propanesultone as additives can reduce the amount of a gas evolved during storage at a high temperature of a non-aqueous electrolyte secondary cell comprising the electrolyte, a non-aqueous electrolyte... | 11/07/2006 |
| 7128765 | Method for providing a one-piece header assembly for hermetic battery terminal feedthrough, fill and closure designs An electrochemical cell having plate electrodes housed inside mating “clam shell” casing components. is described. When mated together, the casing components are form fitting with respect to the internal battery structure so as to reduce the overall size of the ... | 10/31/2006 |
| 7118828 | Implantable battery The present invention discloses a device and method pertaining to battery construction. In the preferred embodiment, the shape and construction of the battery is designed to maximize energy density and efficiency, while minimizing volume and related restrictions. Fu... | 10/10/2006 |
| 7091149 | Electrode for fuel cell, method of manufacturing same, and fuel cell with such electrode A fuel cell provides a high output at a high current density. The fuel cell has an anode electrode and a cathode electrode comprising a gas diffusion layer, a water-repellent layer disposed on the gas diffusion layer and containing a carbon material and polytetraflu... | 08/15/2006 |
| 7087344 | Battery module A battery module includes a battery cell having a laminate overcoat, a pair of rubber sheets, a pair of pressure plates, and a pair of housing members from the internal to the external of the battery module. An intervention member including four poles is interposed ... | 08/08/2006 |
| 7081320 | High energy density secondary battery for repeated use A secondary battery exhibiting a long cycle life and comprising a negative pole activating material made of lithium or zinc is provided, the battery at least having a negative pole made of lithium or zinc serving as the negative pole activating material, an electrol... | 07/25/2006 |
| 7078123 | High energy density vanadium electrolyte solutions, methods of preparation thereof and all-vanadium redox cells and batteries containing high energy vanadium electrolyte solutions Disclosed is a method for preparing a high energy density (HED) electrolyte solution for use in an all-vanadium redox cell, a high energy density electrolyte solution, in particular an all-vanadium high energy density electrolyte solution, a redox cell, in particula... | 07/18/2006 |
| 7052793 | Composite solid polymer electrolyte membranes The present invention relates to composite solid polymer electrolyte membranes (SPEMs) which include a porous polymer substrate interpenetrated with an ion-conducting material. SPEMs of the present invention are useful in electrochemical applications, including fuel... | 05/30/2006 |
| 7052800 | Separator for nickel-metal hydride storage battery and nickel-metal hydride storage battery A separator for a nickel-metal hydride storage battery having a hydrogen-absorbing alloy as a negative electrode. The separator is a laminate of a substrate and a porous hydrophilic film. ... | 05/30/2006 |
| 7041402 | Fuel electrode for solid polymer electrolyte fuel cell, solid polymer electrolyte fuel cell and method for controlling solid polymer electrolyte fuel cell A solid polymer electrolyte fuel cell has a fuel electrode and an oxidant electrode, which face each other via a solid polymer electrolyte membrane. A metallic complex is added to the fuel electrode of the solid polymer electrolyte fuel cell. Since this metallic com... | 05/09/2006 |
