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January 23, 2026Advanced Materials0 citations

Impact of Anode to Cathode Crossover in Lithium-Metal Batteries With High-Nickel Cathodes

Impact of Anode to Cathode Crossover in Lithium‐metal Batteries With High‐Nickel Cathodes

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Authors

ZGZezhou GuoADAndrei DolocanAMA. MANTHIRAM

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Overview

Investigates anode-to-cathode crossover degradation in lithium-metal batteries, suggesting implications for battery durability.

Key Points

  • The study aims to explore the effects of anode-to-cathode crossover in lithium-metal batteries, particularly focusing on degradation mechanisms.
  • Investigated anode-to-cathode crossover in pouch cells with high-concentration electrolyte.
  • Compared performance of NMC622, NMC811, and NMC90 cathodes paired with lithium-metal and graphite anodes.
  • Utilized galvanostatic electrochemical impedance spectroscopy (GEIS) to assess charge-transfer resistance.
  • Conducted surface characterization with X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS).
  • Lithium-metal batteries experienced faster capacity fade over long-term cycling at 45 °C.
  • Higher charge-transfer resistance was observed in cathodes cycled with lithium-metal anodes.
  • Significantly more electrolyte decomposition occurred on cathodes with lithium metal.
  • NMC90 exhibited the most significant interphase thickening due to greater susceptibility to crossover.

Cite This Study

Guo et al. (2026) studied this question.

synapsesocial.com/papers/69731022c8125b09b0d1fdffhttps://doi.org/10.1002/adma.202518490
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