The archive
Everything the archive has gained lately, newest first. Also as a feed for whatever you read feeds with.
patent · · added 2 months ago
A regulating circuit controls current flow from a photovoltaic power source (20) to a storage battery (38) to improve the conversion of solar energy to electric energy. Two transis...
patent · · added 2 months ago
A photovoltaic cell array involving rows and columns of tandem or stacked solar cell units composed of GaSa/GaSb associated with a radiation collector have produced measured energy...
patent · · added 2 months ago
Disclosed are integrity-enhanced thermoelectric devices and methods of their preparation. Such devices have the following characteristics: (1) there is, on average, no greater than...
patent · · added 2 months ago
A tandem solar cell device includes an upper solar cell, a lower solar cell, and an intervening buffer layer. A short wavelength region of the incident light is absorbed by the upp...
patent · · added 2 months ago
A method of continuously electrically interconnecting in series a plurality of smaller area photovoltaic cells from a continuous, elongated web of photovoltaic cell material which...
patent · · added 2 months ago
An advanced slatted reflector is provided to collect and concentrate solar energy. In its simplest form the module is a louvered sheet material platform that is mounted with a phot...
patent · · added 2 months ago
A solar cell generates an electrical voltage with contributions from both photovoltaic and thermoelectric effects, when a high thermal gradient is impressed across a semiconductor...
patent · · added 2 months ago
The heterojunction bipolar transistor has a structure of wide band-gap transistor and comprises a collector region having an N-type GaAs layer, a base region having a P-type german...
patent · · added 2 months ago
Increased specific powers are achieved for space solar cells by using 2-5 mil titanium foil as the substrate of a cell. Specific powers above the NASA goal of 300 watts/kg for (Cd,...
patent · · added 2 months ago
A photovoltaic cell incorporating a preformed, thin-film front contact current collector grid (14). The cell incorporates an electrically conductive substrate layer (11), a semicon...
patent · · added 2 months ago
Tandem solar cells combine the energy-absorbing efficiencies of 1.7 eV CdSe/ZnTe heterojunctions with 1.0 eV I-III-VI2/II-VI heterojunctions in mechanically-stacked or monolithic c...
patent · · added 2 months ago
A very thin insulator having a dipole structure such as a dielectric material having ferroelectric, pyroelectric and or thermodielectric properties, is used as the insulator insula...
patent · · added 2 months ago
The present invention is an apparatus of mechanically stacked photovoltaic cells having two cells. The bottom cell has a layer of GaSb having regions of different conductivity form...
patent · · added 2 months ago
The present invention is an apparatus of mechanically stacked photovoltaic cells having a bottom heat spreader and a top heat spreader, a bottom photovoltaic cell and a top photovo...
patent · · added 2 months ago
A combined solar converter which has a photovoltaic cell for converting the energy of solar radiation of a particular range of wavelengths to electricity and which has a thermal he...
patent · · added 2 months ago
The invention concerns a guidance, or tracking, arrangement which automatically adjusts the alignment of a radiation responsive system in accordance with the position of a movable...
patent · · added 2 months ago
Increased light output is achieved from a solar energy concentrator light piping device by rendering the top surface of the device concave, and/or forming the device into a close-p...
patent · · added 2 months ago
An apparatus for the conversion of light energy into electrical energy, byhich solar energy may be converted into electrical energy effectively and cheaply. The invention further r...
patent · · added 2 months ago
The elements of the solar panel are arranged generally in parallel planes that, starting from the top, include a transparent sheet, a plurality of converging lenses, a plurality of...
patent · · added 2 months ago
Machine transcription of the US3124936 patent scan, 4 pages.
patent · · added 2 months ago
Machine transcription of the US3152926 patent scan, 3 pages.
patent · · added 2 months ago
Thin epitaxial layers of Group III-V semiconductor materials are grown from solution with improved thickness reproducibility and surface smoothness by a method including the steps...
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