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Quantum tornado in momentum space: Electrons form vortices in the quantum material tantalum arsenide (TaAs). Momentum space ...

Transition metal valence state, a key property steering heterogeneous catalysis, has remained underexplored for its role in tuning S cathode kinetics in Li–S batteries. This study reported that CuO ...

Lithium-ion batteries, used in consumer devices and electric vehicles, typically last hours or days between charges. However, with repeated use, they degrade and need to be charged more frequently.

Today, Honor unveiled its first “Ultra” watch. It is a sequel to – and a significant upgrade from – the Honor Watch 4 Pro from a couple of years ago. Unlike the current Honor Watch 5, this ...

SAN DIEGO, March 26, 2025 — Sometimes cell phones die sooner than expected or electric vehicles don’t have enough charge to reach their destination. The rechargeable lithium-ion (Li-ion) batteries in ...