Analysis of Long-Range Interaction in Lithium-Ion Battery Electrodes: Paper No. JEECS-16-1077

Kandler Smith, Aashutosh Mistry, Daniel Juarez-Robles, Malcolm IV, Partha Mukherjee

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The lithium-ion battery (LIB) electrode represents a complex porous composite, consisting of multiple phases including active material (AM), conductive additive, and polymeric binder. This study proposes a mesoscale model to probe the effects of the cathode composition, e.g., the ratio of active material, conductive additive, and binder content, on the electrochemical properties and performance. The results reveal a complex nonmonotonic behavior in the effective electrical conductivity as the amount of conductive additive is increased. Insufficient electronic conductivity of the electrode limits the cell operation to lower currents. Once sufficient electron conduction (i.e., percolation) is achieved, the rate performance can be a strong function of ion-blockage effect and pore phase transport resistance. Even for the same porosity, different arrangements of the solid phases may lead to notable difference in the cell performance, which highlights the need for accurate microstructural characterization and composite electrode preparation strategies.
Original languageAmerican English
Number of pages13
JournalJournal of Electrochemical Energy Conversion and Storage
Issue number3
StatePublished - 2016

NREL Publication Number

  • NREL/JA-5400-67396


  • conductivity limitation
  • electrode microstructure
  • influence on property/performance
  • ion blockage
  • lithium-ion battery
  • partial pore blockage


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