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  2. Thermophotovoltaic energy conversion - Wikipedia

    en.wikipedia.org/wiki/Thermophotovoltaic_energy...

    Instead, semiconductors that have tuneable bandgaps are needed. It is also difficult to produce solar-like thermal output; an oxyacetylene torch is about 3400 K (~3126 °C), and more common commercial heat sources like coal and natural gas burn at much lower temperatures around 900 °C to about 1300 °C. This further limits the suitable materials.

  3. List of energy abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_abbreviations

    CERTS—Consortium for Electric Reliability Technology Solutions sponsored by the United States Department of Energy and California Energy Commission (US) CfD—Contract for difference; CFS—cubic feet per second; CFTC—Commodity Futures Trading Commission; CGR—Charge Gas Recirculation, Compact Gas Ramp (like FGSU) CH 4 —Methane

  4. Solar fuel - Wikipedia

    en.wikipedia.org/wiki/Solar_fuel

    The currently best performing electrochemical cell is the gas diffusion electrode (GED) flow cell. In which the CO 2 reacts on Ag nanoparticles to produce CO. Solar to CO efficiencies of up to 19% have been reached, with minimal loss in activity after 20h. [29] CO can also be produced without a catalyst using microwave plasma driven ...

  5. Thermoelectric generator - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_generator

    Although solar photovoltaic systems are also implemented in remote sites, Solar PV may not be a suitable solution where solar radiation is low, i.e. areas at higher latitudes with snow or no sunshine, areas with much cloud or tree canopy cover, dusty deserts, forests, etc. Thermoelectric generators are commonly used on gas pipelines, for ...

  6. Hybrid power - Wikipedia

    en.wikipedia.org/wiki/Hybrid_power

    It was designed to cover between 80-100% of the island's power and was set to be operational in 2012. [21] However, these expectations were not realized in practice, probably due to inadequate reservoir volume and persistent problems with grid stability. [22] 100% renewable energy systems require an over-capacity of wind or solar power. [23]

  7. Liquefied petroleum gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_petroleum_gas

    LPG is composed mainly of propane and butane, while natural gas is composed of the lighter methane and ethane. LPG, vaporised and at atmospheric pressure, has a higher calorific value (46 MJ/m 3 equivalent to 12.8 kWh/m 3 ) than natural gas (methane) (38 MJ/m 3 equivalent to 10.6 kWh/m 3 ), which means that LPG cannot simply be substituted for ...

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