Researchers have supercharged calcium-ion batteries with a new electrolyte that allows ions to move faster and last longer. The advance could pave the way for abundant, lithium-free batteries powering renewable energy and electric vehicles. Credit: Shutterstock Scientists at The Hong Kong University of Science and Technology (HKUST) have reported a major advance in calcium-ion battery (CIB) research that could reshape how energy is stored and used in daily life. By incorporating quasi-solid-