Researchers at TU Wien (Vienna) have developed a groundbreaking oxygen-ion battery, which boasts exceptional durability, eliminates the need for rare elements, and solves the problem of fire hazards. Lithium-ion batteries, while commonplace in today's world - powering everything from electric veh
Researchers at TU Wien have developed a groundbreaking oxygen-ion battery, which boasts exceptional durability, eliminates the need for rare elements, and solves the problem of fire hazards.
Moreover, the fabrication of oxygen-ion batteries doesn’t require scarce elements and involves non-combustible materials. The innovative battery concept has already led to a patent application, filed in collaboration with partners in Spain. These oxygen-ion batteries could provide an outstanding solution for large-scale energy storage systems, such as those required to hold electrical energy from renewable sources.
“In this respect, the use of ceramic materials is a great advantage because they can be adapted very well,” says Tobias Huber. “You can replace certain elements that are difficult to obtain with others relatively easily.” The prototype of the battery still uses lanthanum – an element that is not exactly rare but not completely common either. But even lanthanum is to be replaced by something cheaper, and research into this is already underway.
The new battery concept is not intended for smartphones or electric cars, because the oxygen-ion battery only achieves about a third of the energy density that one is used to from lithium-ion batteries and runs at temperatures between 200 and 400 °C. The technology is, however, extremely interesting for storing energy.
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