Electronic Products & Technology

Firms partner on fully printed rechargeable batteries for flexible printed sensors

InnovationLab to use metal-free materials from Evonik for printed solid-state batteries that can be integrated with printed sensors

March 24, 2021  EP&T Magazine

InnovationLab, players in printed electronics ‘from lab to fab,’ announced a partnership with Evonik, providers of speciality chemicals, which will enable the first fully printed, flexible, rechargeable, solid-state, batteries for integration in printed sensor systems. Combining the benefits of TAeTTOOz, printable battery materials from Evonik, and InnovationLab’s field-proven capability for high-speed printed electronics, the two companies are opening new application areas to ultra-thin printed batteries that are more flexible, safer and more environmentally friendly than traditional metal-based batteries.

“Through our partnership with Evonik, we can now produce the first fully printable rechargeable battery using our volume-production printing process,” said Dr. Christoph Kaiser, head of Tech-2-Market department, InnovationLab. “This offers huge advantages to customers. Because the Evonik material isn’t charged during the production process, you can power up the battery after printing – which means you can produce them in standard production facilities instead of a specialized environment, saving considerable costs. We’ve also pioneered the easiest way to build up a rechargeable battery that’s not comprised of contaminants, making it the greenest of all battery platforms. It’s both easy to produce these new light and thin batteries, and it’s easy to dispose of them.”

Source: Evonik Creavis GmbH

“Unlike traditional batteries, TAeTTOOz is a brand-new material technology that uses patented redox polymers instead of metal or metal compounds,” said Dr. Michael Korell, head of New Growth Area Energy Storage at Creavis, the strategic innovation unit of Evonik. “That unique attribute delivers a host of benefits: Free from liquid electrolytes, batteries made with TAeTTOOz cannot leak. Our set of materials allow you to print ultra-thin, metal-free, all solid-state batteries on flexible substrates. Our collaboration with InnovationLab shows the benefits of this approach—enabling high-speed production of safer, rechargeable batteries in the conformal shapes that fit naturally with fitness wearables, medical diagnostics, and smart labels for food packaging, supply-chain logistics, and other applications.”

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