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Calcium battery
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<p>Calcium (ion) batteries are <a href="/facts/Energy_storage/9GWtAPeb">energy storage</a> and delivery technologies (i.e., electro–chemical <a href="/facts/Energy_storage/9GWtAPeb">energy storage</a>) that employ <a href="/facts/Calcium/hf252CC0">calcium</a> ions (cations), Ca2+, as the active <a href="/facts/Charge_carrier/wpjjql4x">charge carrier</a>. Calcium (ion) batteries remain an active area of research, with studies and work persisting in the discovery and development of electrodes and electrolytes that enable stable, long-term battery operation. Calcium batteries are rapidly emerging as a recognized alternative to Li-ion technology due to their similar performance, significantly greater abundance, and lower cost. </p>