Business

IMF urges El Salvador against using bitcoin as official currency

The International Monetary Fund on Monday warned El Salvador against using bitcoin as official tender given the risks associated with the cryptocurrency, a day after the country announced plans for the world's first "Bitcoin ...

Energy & Green Tech

Hybrid membrane doubles the lifetime of rechargeable batteries

The energy density of traditional lithium-ion batteries is approaching a saturation point that cannot meet the demands of the future—for example in electric vehicles. Lithium metal batteries can provide double the energy ...

Energy & Green Tech

Batteries that can be assembled in ambient air

The honor of the 2020 Nobel Prize in Chemistry went to those who developed lithium-ion rechargeable batteries. These batteries have become an essential energy source for electronic devices ranging from small IT devices to ...

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