TOKYO -- Researchers at the University of Tokyo have developed a prototype cobalt-free lithium-ion battery that can store around 60% more energy than alternatives of the same size.
Science
Japanese scientists make better lithium-ion battery without cobalt
Prototype offers potential to replace expensive, polluting material
Researchers have developed a new lithium-ion battery prototype that does not use expensive and environmentally harmful cobalt. (Image courtesy of University of Tokyo)
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