Energy Storage Fundamentals

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What is an energy storage system?
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An energy storage system captures energy produced at one time for use at a later time. It helps balance supply and demand.
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Name three types of energy storage technologies.
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Lithium-ion batteries, pumped hydroelectric storage, and flywheels.
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How does pumped hydroelectric storage work?
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It stores energy by pumping water to a higher elevation during low demand and releasing it to generate electricity during peak demand.
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What are the advantages of lithium-ion batteries for energy storage?
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Lithium-ion batteries have high energy density, longer life span, and lower self-discharge rates compared to other batteries.
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Explain how thermal energy storage works.
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Thermal energy storage saves heat or cold for later use, often employing materials like water, molten salts, or phase-change materials.
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