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Finding cheap, abundant, safe and sustainable battery chemistries is even more critical against the backdrop of soaring prices and forecast shortages of lithium-ion battery materials
Now, researchers at Rensselaer Polytechnic Institute report progress in addressing this problem and unlocking the potential of high-performance calcium-ion batteries
However, the larger size and higher charge density of calcium ions impair diffusion kinetics and cycling stability relative to lithium
The researchers demonstrated that calcium ions can be rapidly inserted and extracted from the material, and these tunnels act as conduits for reversible and fast ion transport
"Calcium-ion batteries could replace lithium-ion technology as the battery chemistry of choice for powering our society in the not too distant future," said Koratkar.