PPG receives DOE funding to study coatings applications in automotive lithium-ion batteries
PPG (NYSE:PPG) today announced it has received funding from the U.S. Department of Energy (DOE) for research into the use of two versatile, high-output processes in the production of lithium-ion (Li-ion) battery electrodes. The three-year, $2.2 million project - one of 13 selected through a DOE initiative focused on addressing engineering challenges for advanced battery materials and devices - will be conducted in collaboration with Oak Ridge National Laboratory in Tennessee.
The goal of the PPG project, titled "High-Energy and High-Power NMP-Free Designer Electrodes with Ultra-Thick Architectures Processed by Multilayer Slot-Die Coating and Electrophoretic Deposition," is to achieve step-change improvements in production efficiency of Li-ion batteries used in automotive and commercial vehicle applications. Multilayer slot die coating and electrophoretic deposition (EPD) are highly scalable methods for applying uniform films onto a variety of substrates. PPG was the first company to commercialize cathodic EPD, an industry standard for protecting vehicle panels and components from corrosion.
As an additional benefit, the proposed processes would eliminate the use of the solvent N-Methyl-2-pyrrolidone (NMP) in producing the conductive-carbon slurry that forms cathodes for Li-ion batteries. According to a recent U.S. EPA draft risk evauation, NMP poses an "unreasonable risk" to workers in certain conditions.
"This funding recognizes PPG's contributions to innovative battery manufacturing processes and our potential to commercialize disruptive technologies that can help accelerate the adoption of electric vehicles," said Peter Votruba-Drzal, PPG director, global research and product development, automotive, industrial, and mobility.
The project is being funded through a 50/50 cost share between PPG and DOE's Office of Energy Efficiency and Renewable Energy. The DOE funding is part of the department's Energy Storage Grand Challenge to create and sustain global leadership in energy storage utilization and exports.
PPG is helping vehicle, battery and component manufacturers accelerate the development of tomorrow's automotive energy storage solutions. The company's broad-based materials expertise covers virtually every area of Li-ion battery design and construction, helping customers boost energy density, extend service life, improve safety, increase manufacturing throughput, and reduce cost per kilowatt hour.
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At PPG (NYSE:PPG), we work every day to develop and deliver the paints, coatings and materials that our customers have trusted for more than 135 years. Through dedication and creativity, we solve our customers' biggest challenges, collaborating closely to find the right path forward. With headquarters in Pittsburgh, we operate and innovate in more than 70 countries and reported net sales of $15.1 billion in 2019. We serve customers in construction, consumer products, industrial and transportation markets and aftermarkets. To learn more, visit www.ppg.com.
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