The British vacuum company will invest in the University of Michigan spin-off called Sakti3, which has developed next generation solid-state technology that can store twice as much energy as traditional rechargeable batteries.
As part of the investment, Dyson has entered into a joint development agreement to commercialize Sakti3's solid-state battery technology. The new batteries promise to store twice as much energy as today's liquid-based lithium batteries, that are used in everything from smartphones and tablets to cars, robots, and renewable energy sources such as solar panels and wind turbines.
"Sakti3 has achieved leaps in performance, which current battery technology simply can't," said company founder James Dyson. "It's these fundamental technologies - batteries, motors - that allow machines to work properly."
Battery technology is one of the major limiting factors of portable or cordless electronic products today. While surrounding computer technologies have progressed at a staggering rate, batteries haven't kept up, leading to user frustration and limits on what can be done.
The lithium-ion technologies used in today's best batteries have barely progressed since their introduction in 1991 by Sony. There has been improvement in longevity and charging times, but not a great deal in terms of the amount of energy that batteries store.
Mobile electronics have been forced to choose: either be heavier and thicker, or else suffer from poor battery life, which is one of the reasons products like the iPhone rarely last longer than a day on a single charge.
Most batteries rely on a liquid mixture of reactive compounds, which store energy from the mains and release it when required through chemical reactions within the cell in the form of electricity.
Sakti3's solid-state technology uses solid lithium electrodes instead of a liquid mix of chemicals, which doubles the amount of energy that can be stored within a battery.
The eight-year-old company claims its solid-state batteries can store over 1,000 watt hours per liter, which is almost double the best traditional lithium-ion batteries available today with an energy density of up to 620 watts per hour per litre. That increased energy density could effectively double the battery life of mobile electronics, extend the range of electric vehicles and lead to thinner and lighter technology.
The batteries also promise to be cheaper to manufacture, longer lasting and be more environmentally friendly than current lithium-ion batteries. Solid-state batteries also remove some of the safety issues around the explosive nature of liquid batteries.
The investment from Dyson guarantees that the new battery technology will appear first in Dyson products, including new versions of its cordless machines and robotic vacuum cleaners. But the applications for the technology go far beyond cleaning products.
Additional investors in Sakti3 include Khosla Ventures, General Motors and others.
"Image credits: Martin Abegglen/flickr, content by The Guardian"
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