Sunlight and water can be harnessed toproduce hydrogen,a solar fuel,with the use of special solar cells called photoelectochemical (PEC) cells and photovoltaic (PV) electrolysis reactors. The technology stores the sun鈥檚 energy in the form of chemical bonds,then turns it into electricity through a hydrogen fuel cell.
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Can the Sun be used to generate electricity?
An MIT team has developed a novel system for capturing and storing the sun鈥檚 heat so it can be used to generate electricity whenever it鈥檚 needed. The new system is simple, durable, and inexpensive. Mirrors mounted on a hillside reflect sunlight directly into a large tank of molten salt, which absorbs the heat throughout its depth.
How does solar energy work?
How Does Solar Work? Solar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun. Solar radiation can be captured and turned into useful forms of energy, such as heat and electricity, using a variety of technologies.
What is the source of energy in the Sun?
In the core of the sun, hydrogen atoms fuse to create helium atoms. This process releases massive amounts of energy. The energy created by nuclear fusion in the sun鈥檚 core is carried by photons, light particles, into the radiative zone of the sun.
How much energy does sunlight produce?
Sunlight contains a surprisingly large amount of energy. On average, even after passing through hundreds of kilometers of air on a clear day, solar radiation reaches Earth with enough energy in a single square meter to run a mid-size desktop computer鈥攊f all the sunlight could be captured and converted to electricity.