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September 10, 2025Journal of The Electrochemical SocietyOpen Access

Improving and Understanding Lifetime of LFP/Graphite Pouch Cells with Higher Concentrations of Vinylene Carbonate in the Electrolyte

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Authors

SASaad AzamWBW. B. BlackHMHolden MacLennan

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Overview

This research examines enhanced cell lifetime metrics in LFP/graphite cells, highlighting vinylene carbonate and lithium salts.

Key Points

  • Higher concentrations of vinylene carbonate significantly improve cell lifetime and reduce electrolyte degradation pathways.
  • Post-mortem analyses revealed impacts on electrolyte composition, microstructure, and charge transfer resistance.
  • Incorporating lithium salts like LiPF6 can mitigate gas production in LiFSI-based LFP/graphite cells at elevated temperatures.
  • Diverse cell evaluations included multiple graphite types and surface area variations to determine performance metrics.

Cite This Study

Azam et al. (2025) studied this question.

synapsesocial.com/papers/68c19f9154b1d3bfb60dadc4https://doi.org/10.1149/1945-7111/adf09c
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