When you toss a coin, you put it into a higher-energy state until it falls back down again. It can then end up in one of two ...

Long-term tests further show that the presodiated hard carbon retains 93.6% of its capacity after 3,000 charge–discharge cycles. Microscopic and spectroscopic analyses confirm the formation of a thin, ...

A battery's positive end (cathode) and negative end (anode) are two vital components that largely define how well it can ...

As part of its Q4 2025 earnings report, E.W. Scripps has announced that it is exercising its option to re-acquire 23 ION-affiliated stations for about $54 million.

Japanese hardware brand Elecom has just launched what it claims is the world's first power bank to feature a sodium-ion battery inside. It promises significantly longer cycle life than traditional ...

Watch a subscriber-only event exploring one of MIT Technology Review's 10 Breakthrough Technologies of 2026—sodium-ion ...

The demand for lithium-ion batteries, used in phones, consumer appliances, laptops, EVs, and large energy storage systems, ...

Researchers reveal new mechanisms governing the storage and the movement of sodium ions in hard carbon nanopore anodes.