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Enhancing Battery Safety, Capacity/Energy Density: A Novel Method for Battery Cell Assembly

Dr. Anaba Anani, VP Battery Research & Development, BrightVolt

This presentation will discuss a novel method for manufacturing energy storage devices referred to as the Polymer Matrix Electrolyte (PME) approach, which enhances device safety and increases energy storage capability. The PME formulation combines the three battery components that make up the separator and electrolyte (polymer, salt, and solvent) and integrates them into a single phase in which the polymer forms the backbone of the matrix. In this formulation, combinations of the three components are explored and the region of the “single phase” solid solution with the highest ionic transference number is determined. This technology is currently being used to manufacture/commercialize ultra-thin and flexible primary batteries with cost effective manufacturing at scale for markets including, but not limited to, IoT (wearables, sensors. interactive media, etc.), medical and payment transaction cards, and being transitioned to the development of rechargeable battery products.  While the immediate focus is in the ultra-thin, flexible battery space, the method can also be applied towards manufacturing of batteries for communications and computing applications as well.  And further, the method lends itself well with the use of conventional battery manufacturing processing methods and equipment including the ability to use printing technology for components.

Anaba has distinguished himself in the storage/conversion energy industry in academia and private industry. He is recipient of Motorola’s Distinguished Innovation Award, Distinguished Achievement Award for Young Black Engineers, and ECS Young Author Award Nominations. He has also served as a Motorola SABA member and chaired the US Fuel Cell Council Portable Power Group. Anaba earned his Masters and Doctorate degrees in Materials Science & Engineering with a minor in Electrical Engineering from Stanford University. He has authored or co-authored over 30 refereed articles in peer reviewed journals and is inventor or co-inventor of over 35 utility patents and 4 trade secrets.

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