SK On Cuts LFP Cathode Costs With Carbon Nanotube Powder
The South Korean battery maker developed a dry powder dispersion process to replace expensive paste in lithium iron phosphate cells, targeting commercial factory lines.
SPBy Seung-min Park, Korea correspondent, batteries and EVs··Updated October 18, 2026·3 min read
ShareLinkedInXWhatsAppEmailResearchers in lab coats work behind a glass partition near specialized processing equipment at an SK On battery research institute. (AI-generated image)
SK On said Oct. 18 it developed a carbon nanotube powder dispersion process that replaces costly liquid paste in lithium iron phosphate battery cathode manufacturing, reducing cell production overhead.
The innovation secured the top award at the company's internal research conference held at its Daejeon research institute. The gathering reviewed 300 technical projects across six battery engineering divisions, up 15% from last year.
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Korea correspondent, batteries and EVs — Seung-min Park covers Korean cell makers and the cathode and separator suppliers behind them, including their plants in North America and Europe.
