Batteries, Volume 10, Issue 7 (July 2024) – 43 articles
Cover Story (view full-size image):
Cathode formulation, which describes the amount of cathode active material, conductive additives, and binder within a cathode compound, is decisive for the performance metrics of lithium-ion battery cells. The direct measurement of electronic resistance can be an enabler for more time- and cost-efficient cathode formulation improvements. Within this work, we correlate the electronic resistance with the electrochemical performance of cathodes. Two different high-nickel NCM cathode materials and numerous conductive additives are used to validate the findings. A detailed look into the resistance reduction potential of carbon black and single-walled carbon nanotubes and their mixtures is made. Furthermore, an impact estimation of cathode formulation changes on battery cell key performance factors, such as energy density and cost, is shown. View this paper
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