New calcium-ion battery design delivers high performance without lithium
Scientists at HKUST have unveiled a major leap forward in calcium-ion battery technology, potentially opening the door to safer, more sustainable energy storage for everything from renewable power grids to electric vehicles. By designing a novel quasi-solid-state electrolyte made from redox-active covalent organic frameworks, the team solved long-standing issues that have held calcium batteries back—namely poor ion transport and limited stability.
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-state electrolytes (QSSEs), the team developed a new type of CIB designed to improve both performance and sustainability. The technology could support applications ranging from renewable energy storage systems to electric vehicles. The work appears in Advanced Science under the title "High-Performance Quasi-Solid-State Calcium-Ion Batteries from Redox-Active Covalent Organic Framework Electrolytes." As countries expand renewable energy production, the need for dependable and efficient battery storage continues to grow. Lithium-ion batteries (LIBs) currently dominate the market, but concerns remain about limited lithium resources and the practical limits of their energy density. These constraints have intensified the search for alternative battery chemistries that can meet long-term global energy demands.
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-state electrolytes (QSSEs), the team developed a new type of CIB designed to improve both performance and sustainability. The technology could support applications ranging from renewable energy storage systems to electric vehicles. The work appears in Advanced Science under the title "High-Performance Quasi-Solid-State Calcium-Ion Batteries from Redox-Active Covalent Organic Framework Electrolytes." As countries expand renewable energy production, the need for dependable and efficient battery storage continues to grow. Lithium-ion batteries (LIBs) currently dominate the market, but concerns remain about limited lithium resources and the practical limits of their energy density. These constraints have intensified the search for alternative battery chemistries that can meet long-term global energy demands.
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