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Researchers Tout 20-Year Lithium-Ion Battery
Researchers at Singapore's Nanyang Technology University have developed a lithium-ion battery for vehicles they say can reach 70% of full charge in two minutes, IEEE Spectrum reports.
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Researchers at Singapore's Nanyang Technology University have developed a lithium-ion battery for vehicles they say can reach 70% of full charge in two minutes, IEEE Spectrum reports.
The system can handle 20 years of deep discharges, more than 10 times that of today's lithium-ion batteries, according to the nine-member research team. They report on their work in the journal Advanced Materials.
The scientists say the key is an anode that replaces the usual graphite with nanotubes made of titanium dioxide. The nanotubes are formed by mixing titanium dioxide nanoparticles with sodium hydroxide, then stirring at a specific temperature.
The resulting material offers vastly improved power density by eliminating the additives normally used to bind electrodes to the anode. The formulation enables the battery to transfer electrons and ions faster, thus permitting dramatically faster charge times.
The reearchers say their technology has been licensed by a company that hopes to commercialize a next-generation fast-charge battery in two years.
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