Sakuu Prints New Dry Lithium-Ion Battery Cell
The company used its Kavian platform to produce a lithium-ion cell with a carbon fiber veil in Silicon Valley.
Updated on Oct. 21, 2026 in Electric Vehicles
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Sakuu has successfully produced a 0.5-ampere-hour lithium-ion battery cell using its proprietary dry-printing Kavian manufacturing platform. The test cell features a dry anode and cathode integrated with carbon fiber to enhance structural integrity and conductivity.
Why it matters
This development addresses the need for intimate contact between battery layers by using carbon fiber to reinforce thin polymer films. The technology aims to overcome manufacturing challenges associated with maintaining low contact resistance in high-performance cells.
The test cell features a 100% dry-printed electrode design and demonstrated low contact resistance during testing. Carbon fiber was embedded within the anode and cathode to provide structural support for the polymeric current collectors.
The players
Sakuu
Sakuu is a battery technology developer that specializes in additive manufacturing and dry-printing processes for energy storage.
The details
Engineers at Sakuu's Silicon Valley facility integrated carbon fiber into the current collectors to prevent wrinkling and ensure the stability of the thin polymer materials. The process relies on the Kavian platform to print components that require significant structural integrity to function effectively.
Timeline
October 21, 2026: The company confirmed the production and successful testing of the new battery cell.
Roadmap
This achievement represents a transition toward dry-printing methods that aim to eliminate solvent use in high-volume battery manufacturing. It positions Sakuu against traditional lithium-ion producers by prioritizing specialized, additive manufacturing techniques over legacy wet-coating processes.
Future applications of this technology target the high energy requirements of AI data centers, which may eventually improve the efficiency and reliability of large-scale infrastructure power systems. As development continues, the integration of these processes could influence the cost and production speed of future battery-powered devices.
The takeaway
Sakuu's integration of carbon fiber into current collectors provides a technical solution to maintaining structural integrity in advanced battery films. By focusing on dry-printing, the company continues to explore alternatives to conventional manufacturing that may support future high-density energy needs.
Further reading
For more on the latest advancements in energy storage, visit the Electric Vehicles section.
Source note: This article includes information reported by Compositesworld.
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