Jan. 27, 2025 — Lithium-air batteries have the potential to outstrip conventional lithium-ion batteries by storing significantly more energy at the same weight. However, their high-performance ...

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'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Primary batteries are batteries that cannot be recharged once depleted. Primary batteries are made of electrochemical cells whose electrochemical reaction cannot be reversed. Primary batteries exist ...

Laboratory Technical Project Manager Gianmarco Chumbe has been part of the CNET Home team since 2018. He is in charge of developing and carrying out testing procedures for a wide variety of home ...

It's easy to replace your iPhone's battery and it can give your phone a brand new lease on life. Andrew is CNET's go-to guy for product coverage and lead photographer for Europe. When not testing ...

A thorough analysis of market, technological, and supply chain outcomes for sodium-ion batteries finds that significant advances are needed before commercialization. Legions of battery engineers ...

If you had asked me a few years ago what I considered to be the weakness of modern smartphones compared to older phones, I'd have said the battery. When you look at phones from before modern ...

We’ve made batteries out of all sorts of materials, from lithium, to nickel, to lead. But one startup featured at CES this week has produced a battery made of paper, believe it or not.

Put a set of our Best Buy AA disposable batteries in your most power-hungry devices and they'll last more than three hours longer than the worst. For AAA batteries, our Best Buys last an hour and a ...

Since we often rely on our mobile devices to shop, communicate, travel, and more, it's paramount to keep our phones' batteries charged. However, most of us can't stay tethered to a wall outlet.

This part of the story is about grid batteries, the second energy transition innovation—the first is liquefied natural gas (LNG). In 2016, grid-scale batteries started up in Australia to ...