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| Number | Title | Issue Date |
| 7867640 | Alpha voltaic batteries and methods thereof An alpha voltaic battery includes at least one layer of a semiconductor material comprising at least one p/n junction, at least one absorption and conversion layer on the at least one layer of semiconductor layer, and at least one alpha particle emitter. The absorpt... | 01/11/2011 |
| 7867639 | Alpha voltaic batteries and methods thereof An alpha voltaic battery includes at least one layer of a semiconductor material comprising at least one p/n junction, at least one absorption and conversion layer on the at least one layer of semiconductor layer, and at least one alpha particle emitter. The absorpt... | 01/11/2011 |
| 7816044 | Fuel cell using a hydrogen generation system A system is described for storing and generating hydrogen and, in particular, a system for storing and generating hydrogen for use in an H2/O2 fuel cell. The hydrogen storage system uses beta particles from a beta particle emitting material to ... | 10/19/2010 |
| 7781111 | Hydrogen storage and generation system A system for storing and generating hydrogen generally and, in particular, a system for storing and generating hydrogen for use in an H2/O2 fuel cell. The hydrogen storage system uses the beta particles from a beta particle emitting material to... | 08/24/2010 |
| 7718283 | Alpha voltaic batteries and methods thereof An alpha voltaic battery includes at least one layer of a semiconductor material comprising at least one p/n junction, at least one absorption and conversion layer on the at least one layer of semiconductor layer, and at least one alpha particle emitter. The absorpt... | 05/18/2010 |
| 7438789 | Decomposition cell A decomposition cell having a first metal plate with a first layer of dielectric and a second metal plate with a second layer of dielectric wherein each layer of dielectric is sprayed onto the metal plates in molten form using a thermal plasma spray process. The pla... | 10/21/2008 |
| 6949865 | Apparatus and method for generating electrical current from the nuclear decay process of a radioactive material An apparatus and method for generating electrical power from the decay process of a radioactive material is disclosed, wherein a volume of radioactive material and a junction region are enclosed in a cell. The junction region is formed by appropriate construction of... | 09/27/2005 |
| 6774531 | Apparatus and method for generating electrical current from the nuclear decay process of a radioactive material An apparatus and method for generating electrical power from the decay process of a radioactive material is disclosed, wherein a volume of radioactive material and a junction region are enclosed in a cell. The junction region is formed by appropriate construction of... | 08/10/2004 |
| 6753469 | Very high efficiency, miniaturized, long-lived alpha particle power source using diamond devices for extreme space environments A power source converts α-particle energy into electricity by coulomb collision in doped diamond films. Alpha particle decay from curium-244 creates electron-hole pairs by freeing electrons and holes inside the crystal lattice in N- and P-doped diamond films. Ohmic... | 06/22/2004 |
| 6238812 | Isotopic semiconductor batteries A semiconducter battery that utilizes radioactive decay processes to produce electrical power by direct electrical current generation from these decay products. These batteries have extremely long half-lives. Each decay can produce on the order of 1,500,0... | 05/29/2001 |
| 6118204 | Layered metal foil semiconductor power device The present invention is a power cell for directly converting ionizing radiation into electrical energy. The invented isotopic electric converter provides an electrical power source that includes an electronegative material layered in a semiconductor, to ... | 09/12/2000 |
| 5721462 | Nuclear battery A nuclear battery for supplying low level electrical energy for a relatively long period of time. The battery includes a low-energy beta emitter and phosphor dispersed sufficient proximate the beta emitter to capture the low energy betas before decay. A p... | 02/24/1998 |
| 5642014 | Self-powered device The invention provides a self-powered device having at least one substrate, at least one radioactive power source formed over the substrate, and integrated circuits formed over the substrate. The radioactive power source includes a first active layer of a... | 06/24/1997 |
| 5616928 | Protecting personnel and the environment from radioactive emissions by controlling such emissions and safely disposing of their energy An apparatus for protecting personnel and the environment from harmful emissions of radiation from a source thereof includes a plurality of shielding parts so located as to be in the path of the radioactive emissions and to absorb them so that an electric... | 04/01/1997 |
| 5492570 | Hybrid thermal electric generator The apparatus is a combined Alkali Metal Thermal to Electric Converter (AMTEC) and a thermionic energy converter which are mated by the use of a common heat transfer device which can be a heat pipe, pumped fluid or a simple heat conduction path. By adjust... | 02/20/1996 |
| 5459366 | Gamma radiation field intensity meter A gamma radiation intensity meter measures dose rate of a radiation field. The gamma radiation intensity meter includes a tritium battery emitting beta rays generating a current which is essentially constant. Dose rate is correlated to an amount of moveme... | 10/17/1995 |
| 5280213 | Electric power cell energized by particle and electromagnetic radiation A power cell which converts ionizing radiation into electrical energy. The power cell includes a multi-layer composite source element which includes a charged particle emitter layer, first and second source dielectric layers, a source collector layer and ... | 01/18/1994 |
| 5235232 | Adjustable-output electrical energy source using light-emitting polymer A long-life, electrical energy source having an adjustable output is comprised of a light emitting phosphor activated by a radioisotope and coupled to a plurality of photovoltalic cells that have their outputs electrically connected together. The output p... | 08/10/1993 |
| 5111099 | Apparatus and method for converting radioactive energy into electrical energy There is provided an apparatus and method for converting radioactive energy into electrical energy, with the apparatus including an outer radioactive protective shell and a radioactive fuel source located within that shell. In a preferred embodiment, thre... | 05/05/1992 |
| 5089054 | Flat plate alkali metal thermoelectric converter module A flat plate alkali metal thermoelectric converter module having a plurality of generally flat plate cells grouped in stacks that are electrically connected in series within the stack, the cells being disposed to minimize the heat energy radiated to a con... | 02/18/1992 |
| 5087533 | Contact potential difference cell An electrical energy generating device which utilizes the potential difference between two dissimilar materials having different work functions and the ionizing properties of radioactive decay products is provided. A current generating cell includes a pai... | 02/11/1992 |
| 4967112 | Electrical power cell energized by high frequency electromagnetic radiation A power cell for generating useful electrical power from high frequency electromagnetic radiation comprising a spiral-wound, multi-layer film forming a cylindrical body with a central opening for receiving the radiation source. The film has in succession ... | 10/30/1990 |
| 4617244 | Additive for electrolyte of lead-acid batteries A new type of additive to be added to the electrolyte of lead-acid storage batteries to improve their operation, such as chargeability and startability, comprising a mixture of an iron chelate and a magnesium salt or chelate.... | 10/14/1986 |
| 4594297 | Fuel cell using novel electrolyte membrane Apparatus and method for producing electricity from a fuel gas containing hydrogen and/or compounds capable of dissociating into hydrogen ions using a solid electrolyte concentration cell and a catalyst. A novel solid electrolyte membrane is used which co... | 06/10/1986 |
| 4414090 | Separator membranes for redox-type electrochemical cells This disclosure is directed to improved redox type electrochemical cells, preferably those of the iron (+3)/iron (+2) electrolyte variety, incorporating polymeric, ion-exchange separator membranes produced by radiation grafting techniques.... | 11/08/1983 |
| 4178524 | Radioisotope photoelectric generator This disclosure is directed to a radioisotope photoelectric generator for producing electrical energy. The construction of the generator is similar to that of a well-known storage battery. The generator is composed of alternate layers of high-Z, (high ato... | 12/11/1979 |
| 4160927 | Ferroelectric ceramic devices An electrical battery comprised of a substrate of a radioactively ionized, electrically polarized, polycrystalline ferroelectric ceramic material, which is disposed between a pair of conductive electrodes. The radioactive ionization produces non-equilibri... | 07/10/1979 |
| 4097654 | Thermal shunt for radioisotope thermoelectric generator-chemical battery hybrid configuration A thermal shunt is provided to recover the rejected heat from a radioisot thermoelectric generator utilized in a hybrid configuration with a chemical battery to maintain the chemical battery at a temperature above the environmental ambient temperature.... | 06/27/1978 |
| 4093783 | Novel formulations M2 UO2 F2 and their use in electrochemical cells The present invention is directed to compositions of matter having the formula M2 UO2 F2 where each M is any alkali metal ion or mixtures thereof. The present invention is also directed to electrochemical cells having anod... | 06/06/1978 |
| 4054724 | Isotope heated deferred action thermal batteries 1. A deferred action battery comprising: A thermal battery comprising a plurality of cells having a metallic positive electrode and a metallic negative electrode spaced by a normally inactive electrolyte that becomes electrically active when heated and a ... | 10/18/1977 |
| 3990911 | Solid electrolyte galvanic cell Disclosed is a method of increasing ionic conductivity of solid electrolytes, such as salts, metal oxides and the like, and an electrochemical galvanic cell utilizing a solid, anhydrous electrolyte which includes a radioactive source for increasing conduc... | 11/09/1976 |
| 3971671 | Radioelectrochemical energy converter The energy converter utilizes the products of radiolysis of an aqueous solution of an oxidation-reduction pair and comprises a leak-tight jacket initially filled with a pure gas which is identical with the gas evolved as a result of radiolysis. A porous e... | 07/27/1976 |
