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Sakuu produces 100 dry-printed carbon fiber battery cell on Kavian manufacturing platform

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Sakuu produces 100 dry-printed carbon fiber battery cell on Kavian manufacturing platform

Sakuu, a provider of commercial-scale equipment and technologies to the battery and supercapacitor manufacturing industries, has printed a 100% dry anode and dry cathode metal-free battery cell using carbon composite and polymeric current collector (PCC) technology on its Kavian manufacturing platform. This fully functional metal-free cell delivers the safety benefits of PCC architecture and the structural integrity of carbon fiber while remaining flexible and extremely lightweight, the company says.

“The ability to manufacture safer batteries at scale is essential to meeting surging demand across industries, yet battery manufacturing technology has been stuck in a rut for 30 years,” said Arwed Niestroj, President and COO of Sakuu. “Our dry-printed carbon fiber PCC test cell demonstrates how to produce innovative batteries that can safely power—and also conform to and strengthen—new structural designs in transportation and energy storage systems.”

Sakuu’s carbon fiber test cell is a fully functional lithium-ion 0.5 Ahr battery cell. The company says it’s immune to thermal runaway, and is made with lightweight, inexpensive and globally readily available materials.

Dry-processed PCC cells possess several advantages over the standard wet-processed lithium-ion battery cells, Sakuu explains. “A PCC cell is a series-connected battery, not parallel-connected. PCC cells are still made layer by layer, but each layer is individually sealed and connected directly, one on top of the other. The layers use a thin conductive polymer film and current flows vertically up through a stack of sealed layers, moving from one layer to the next over the entire surface of contact.



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