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high efficiency concentrator status

Advanced high-efficiency concentrator tandem solar cells. November 1991; DOI: ... Efficiency verws concentration ratio data for a high-efficiency InP/GalnAs monolithic tandem cell. The modeled

  • us5727108a -high efficiencycompound parabolic

    us5727108a -high efficiencycompound parabolic

    A compound parabolic concentrator which can be used as an optical connector or in a like management system or simply as a concentrator or even as a spotlight, has a hollow body formed with an input aperture and an output aperture and a wall connecting the input aperture with the output aperture and diverting from the smaller of the cross sectional areas to the larger cross sectional areas of

  • new materials forhigh efficiencyoxygenconcentrators

    new materials forhigh efficiencyoxygenconcentrators

    Mar 26, 2020 · New technologies reach higher efficiencies through selective gas separation. Oxygen concentrators are used to treat acute and chronic pulmonary conditions such as asthma, pneumonia and COPD (chronic obstructive pulmonary disease). These devices concentrate ambient air …

  • high-efficiency organic solar concentratorsfor

    high-efficiency organic solar concentratorsfor

    Jul 11, 2008 · We report single- and tandem-waveguide organic solar concentrators with quantum efficiencies exceeding 50% and projected power conversion efficiencies as high …

  • current status of concentrator photovoltaic(cpv

    current status of concentrator photovoltaic(cpv

    Today's concentrator systems are the most efficient of any photovoltaic approach because high efficiency cells can be used. Cell research progress continues at an impressive rate and concentrator cells currently hold record efficiencies in silicon, GaAs, and multijunction technologies

  • multi-effect evaporators andconcentrators

    multi-effect evaporators andconcentrators

    ANDRITZ evaporators and concentrators, with their lamella heating surfaces, are adept at processing the spent cooking liquors or mill effluents using the minimum amount of energy while maximizing product dry solids, plant availability, and condensate quality. The …

  • us20100186818a1- holographicsolar concentrator- google

    us20100186818a1- holographicsolar concentrator- google

    The concentrator preferably uses Bragg chirp gratings, having high diffraction efficiency leading to high conversion efficiency of light power. The concentrator is preferably a thin film

  • high-concentration systems (hcpv) - fraunhofer ise

    high-concentration systems (hcpv) - fraunhofer ise

    We develop high concentration photovoltaic systems that allow III-V multi-junction solar cells to be used for terrestrial applications. To do so, we analyze and assess optical components that concentrate sunlight by a factor of 300-1000 before it is turned into electrical energy in III-V multi-junction solar cells

  • high efficiency photovoltaic roof tiles withstatic

    high efficiency photovoltaic roof tiles withstatic

    The use of static concentrators provides a level of concentration sufficient for significant cost reductions, without any of the problems of high concentration systems. There is no need for expensive tracking, most of the diffuse light is collected and passive cooling can be used for the cells

  • high-efficiency concentratorsilicon solar cells - nasa/ads

    high-efficiency concentratorsilicon solar cells - nasa/ads

    New designs for simplified backside-contact solar cells were advanced from a status of near-nonfunctionality to demonstrated 21 to 22 percent for one-sun cells in sizes up to 37.5 cm(sup 2). An efficiency of 26 percent was achieved for similar 0.64-cm(sup 2) concentrator cells at 150 suns

  • current status of concentrator photovoltaic(cpv

    current status of concentrator photovoltaic(cpv

    Much progress has been made in concentrator technology. Today's concentrator systems are the most efficient of any photovoltaic approach because high efficiency cells can be used. Cell research progress continues at an impressive rate and concentrator cells currently hold record efficiencies in silicon, GaAs, and multijunction technologies

  • high-efficiency concentrator- fote machinery(ftm)

    high-efficiency concentrator- fote machinery(ftm)

    After that, decreasing the subsidence distance between particles and improving its efficiency. At the same processing capacity, the diameter of the high-efficiency concentrator is two thirds or one second times as long as the common concentrator's. The floor space that high-efficiency concentrator occupies is one-ninth or one-fourth times as big as the common ones

  • high-efficiency concentratorsilicon solar cells - nasa/ads

    high-efficiency concentratorsilicon solar cells - nasa/ads

    New designs for simplified backside-contact solar cells were advanced from a status of near-nonfunctionality to demonstrated 21 to 22 percent for one-sun cells in sizes up to 37.5 cm(sup 2). An efficiency of 26 percent was achieved for similar 0.64-cm(sup 2) concentrator cells at 150 suns

  • ultra-high-efficiencyluminescent solarconcentratorusing

    ultra-high-efficiencyluminescent solarconcentratorusing

    Jun 13, 2020 · For different quantum yields ranging from 0.4 to 1, we have obtained theoretically super high optical efficiency of 11–31%. The optimization results show a 67.8% enhancement in optical flux gain leading to 3.72-times more concentrated photon flux …

  • figure 5 from development ofhigh efficiencywafer bonded

    figure 5 from development ofhigh efficiencywafer bonded

    The next generation of multi-junction concentrator solar cells will have to reach higher efficiencies than today's devices. At the same time these solar cells must be reliable in the field, be manufacturable with good yield and at sufficiently low cost. Inevitably the request of higher efficiency requires four or even more junction devices

  • (pdf)status of parabolic dish solar concentrators

    (pdf)status of parabolic dish solar concentrators

    That is why this type of concentrator is not preferred in a small residential house.Parabolic Dish Solar Concentrators have shown high conversion efficiencies and high operating temperatures, of the order of 750 o C, at annual efficiency of 23% and 29% peak,.They are still in research stage, with only a few prototypes tested world-wide

  • high-efficiency concentrator-ftm machinery

    high-efficiency concentrator-ftm machinery

    High-Efficiency Concentrator The concentrator is a continuous working concentrated and clarified multi-function equipment, mainly used for the concentration and clarification of concentrate and tailings slurry in wet beneficiation and coal preparation

  • high efficiency concentrator-ore dressing machine - henan

    high efficiency concentrator-ore dressing machine - henan

    High efficiency concentrator is not just a sedimentation machine, but a new type of dehydration machine combining with the filtration property of the slurry layer. The main working feature of this machine is to add a certain amount of flocculant in the slurry to be concentrated to make the ore particles in the slurry form flocs to accelerate the sedimentation, thus improving the concentration efficiency

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