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South Korean scientists develop first flexible Li-ion batteries

Being flexible is often an advantage and in the last year we have heard news of flexible solar cells, electronics and even displays. Now here is news about another important mobile computing component which has been improved with the addition of flexibility. South Korean scientists have “developed the world’s first imprintable and bendable lithium-ion battery”. News agency Yonhap reports that The South Korean Science Ministry said that the discovery would “help enhance the development of new flexible mobile devices, such as cellular phones.”

Ulsan National Institute of Science and Technology

The new Li-ion batteries have another important advantage beyond imprintability and flexibility in that they are more stable. This especially applies when in a hot environment, where batteries often can find themselves. The enhanced stability was explained by the Ministry of Education, Science and Technology, who partly funded the research “Conventional lithium-ion batteries that use liquefied electrolytes had problems with safety as the film that separates electrolytes may melt under heat, in which case the positive and negative may come in contact, causing an explosion,” it said. “Because the new battery uses flexible but solid materials, and not liquids, it can be expected to show a much higher level of stability than conventional rechargeable batteries.”

A report on ZDNet points out that the scientists were from the Ulsan National Institute of Science and Technology (UNIST) and several other institutes.
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