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Photovoltaics: Difference between revisions
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Photovoltaics (PV) are any '''solar panels''' that produce electricity. | Photovoltaics (PV) are any '''solar panels''' that produce electricity. | ||
<!-- I bolded "solar panels" instead of "photovoltaics", because plenty of new readers have never heard the word "photovoltaics" before. [[Solar panels]] redirects here. --> | |||
<!--: {{minor|''Not to be confused with [[solar thermal panels]] (non-electric) which just heat air or water in the sun.''}}--> | <!--: {{minor|''Not to be confused with [[solar thermal panels]] (non-electric) which just heat air or water in the sun.''}}--> | ||
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*** [[sodium-sulfur batteries]] | *** [[sodium-sulfur batteries]] | ||
*** [[sodium-ion batteries]] | *** [[sodium-ion batteries]] | ||
*** {{light| | *** {{light|These battery types (above) are not on the market yet. Innovations are needed.}} | ||
* ''Some'' excess summer daytime energy may be worth storing by producing [[hydrogen gas]] (which could be burned in the winter for [[heating]]). | * ''Some'' excess summer daytime energy may be worth storing by producing [[hydrogen gas]] (which could be burned in the winter for [[heating]]). | ||
* To reduce the need for energy storage, it would help if people were to charge their [[electric vehicles]] mostly during the day, and if factories were to run only during the day (and maybe even temporarily shut down in the winter). <sup>[new economics needed]</sup> | * To reduce the need for energy storage, it would help if people were to charge their [[electric vehicles]] mostly during the day, and if factories were to run only during the day (and maybe even temporarily shut down in the winter). <sup>[new economics needed]</sup> | ||