7. Cathode chit chat. NMC what?

Battery 1 Minute
My guest, Rajesh Mekkat discusses commercial cathodes for lithium ion batteries

Scanning electron micrograph of a NCM622 cathode cross section

Cathodes are positive electrodes in batteries and are responsible for the high voltage. In this podcast I discuss with Rajesh Mekkat the intricacies of commercial lithium ion cathodes preferred by electric automakers such as NCM, LMO and lithium rich cathodes. Rajesh has been a cathode research engineer for Renault-Nissan in various leadership positions for close to 10 years. Recently, he continues his cathode work in China, at the largest SUV OEM in the country: Great Wall Motor. You can view his LinkedIn profile here. Many safety and energy density features are governed by the cathode.

Today’s guest and cathode specialist: Rajesh Mekkat

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.

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