Viologen redox flow batteries offer an alternative to vanadium
A technology has been developed to replace the active material in large-capacity ESS "redox flow batteries" with a more affordable substance.
Jul 2, 2024
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Energy & Green Tech
A technology has been developed to replace the active material in large-capacity ESS "redox flow batteries" with a more affordable substance.
Jul 2, 2024
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64
Energy & Green Tech
Whether sustainably produced hydrogen needs to be 100% green is currently under debate. Using the production of ammonia and artificial fertilizer as examples, researchers have calculated that "nearly sustainable" hydrogen ...
Jul 2, 2024
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Energy & Green Tech
Using electricity generated by offshore wind turbines as one pathway to split water to produce clean hydrogen may make economic sense, particularly along the U.S. Atlantic Coast and in the Gulf of Mexico, according to researchers ...
Jul 12, 2024
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Energy & Green Tech
On the weekend, an area 20km off the Illawarra coast south of Sydney became Australia's fourth offshore wind energy zone. It's the most controversial zone to date, with consultation attracting a record 14,211 submissions—of ...
Jun 23, 2024
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Energy & Green Tech
Peter Dutton has announced that under a Coalition government, seven nuclear power stations would be built around the country over the next 15 years.
Jun 21, 2024
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Energy & Green Tech
Green hydrogen holds many promises: it can serve as a "battery" for energy storage, it can be used in the chemical industry, and its only emission will be water vapor. But, unfortunately, green hydrogen is not yet widely ...
Jun 18, 2024
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Wind power is the conversion of wind energy into a useful form, such as electricity, using wind turbines. At the end of 2008, worldwide nameplate capacity of wind-powered generators was 121.2 gigawatts (GW). Wind power produces about 1.5% of worldwide electricity use, and is growing rapidly, having doubled in the three years between 2005 and 2008. Several countries have achieved relatively high levels of wind power penetration, such as 19% of stationary electricity production in Denmark, 11% in Spain and Portugal, and 7% in Germany and the Republic of Ireland in 2008. As of May 2009, eighty countries around the world are using wind power on a commercial basis.
Large-scale wind farms are connected to the electric power transmission network. Smaller turbines are used to provide electricity to isolated locations. Utility companies increasingly buy back surplus electricity produced by small domestic turbines. Wind energy as a power source is attractive as an alternative to fossil fuels, because it is plentiful, renewable, widely distributed, clean, and produces no greenhouse gas emissions; however, the construction of wind farms (as with other forms of power generation) is not universally welcomed due to their visual impact and other effects on the environment.
Wind power is non-dispatchable, meaning that for economic operation all of the available output must be taken when it is available, and other resources, such as hydropower, and standard load management techniques must be used to match supply with demand. The intermittency of wind seldom creates problems when using wind power to supply a low proportion of total demand. Where wind is to be used for a moderate fraction of demand, additional costs for compensation of intermittency are considered to be modest.
This text uses material from Wikipedia, licensed under CC BY-SA