Scientists build high-energy batteries using viruses

Scientists at the Massachusetts Institute of Technology (MIT) in the United States have figured out a way to use viruses to build ultrathin lithium-ion batteries that pack three times the normal energy level for their weight and size, they said this week.

By manipulating genes inside the viruses, the scientists coaxed them into coating themselves with cobalt oxide molecules and gold particles and then lining themselves up to form tiny wires that serve as the anode electrode in a battery.

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