Energy & Green Tech

A new approach leads to better sodium ion battery

Cheaper and far more abundant than lithium, sodium is increasingly appealing as a foundation for a next generation of high-voltage rechargeable batteries. Development of commercially viable sodium ion batteries lags significantly ...

Electronics & Semiconductors

Lithium-ion batteries that last longer in extreme cold

When temperatures fall below freezing, cellphones need to be recharged frequently, and electric cars have shorter driving ranges. This is because their lithium-ion batteries' anodes get sluggish, holding less charge and draining ...

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