The first high voltage cathodes were proposed by John Goodenough in the form of LCO (lithium cobalt oxide) and they were quickly adopted as commercial materials. In an effort to lower costs (cobalt is expensive), analogous LNO (lithium nickel oxide) cathodes have recently been commercialized as doped NCM (nickel, cobalt, manganese) and NCA (nickel, cobalt, aluminum) cathodes. Modern NCM/NCA contain only 5% cobalt and cobalt free derivatives may soon become a reality. Learn how and why in this podcast.
23. Cobalt free cathodes: Jeff Dahn (now with Tesla) suggests they are possible and stable
Published by Claudiu “Bobby” Bucur
Claudiu B. Bucur obtained his Ph.D. in 2008 from Florida State University under the mentorship of distinguished Leo Mandelkern Professor of Polymer Science, Joseph B. Schlenoff. He studied the manner in which polyelectrolyte multilayers assemble, and how doping them with ions changes their mechanical and thermodynamic properties. In 2010 he completed his postdoctoral studies at the USDA Agricultural Research Service Labs, where he investigated corrosion inhibition via biomembranes. Dr. Bucur then joined the Post Lithium Ion Research Group at the Toyota Research Institute of North America, where he focused on metallic anodes such as magnesium, lithium, sodium, and their electrolytes as well as high capacity conversion cathodes such as the sulfur cathode. He expanded upon his experience with polymers, corrosion, and interfaces and was able to advance many areas in the battery field. Currently, Dr. Bucur is Chief Engineer for new battery and solid electrolyte projects at Great Wall Motor, the largest SUV manufacturer in China. He is fascinated by energy storage and dreams of creating the ultimate battery. View all posts by Claudiu “Bobby” Bucur