Stress-enhanced lithiation in MAX compounds for battery applications

Jiajie Zhu, Alexander Chroneos, Lei Wang, Feng Rao, Udo Schwingenschlögl*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Li-ion batteries are well-established energy storage systems. Upon lithiation conventional group IVA compound anodes undergo large volume expansion and thus suffer from stress-induced performance degradation. Instead of the emerging MXene anodes fabricated by an expensive and difficult-to-control etching technique, we study the feasibility of utilizing the parent MAX compounds. We reveal that M2AC (M = Ti, V and A = Si, S) compounds repel lithiation at ambient conditions, while structural stress turns out to support lithiation, in contrast to group IVA compounds. For V2SC the Li diffusion barrier is found to be lower than reported for group IVA compound anodes, reflecting potential to achieve fast charge/discharge.

Original languageEnglish (US)
Pages (from-to)192-195
Number of pages4
JournalApplied Materials Today
StatePublished - Dec 2017


  • Energy storage
  • Li-ion battery
  • MXene

ASJC Scopus subject areas

  • General Materials Science


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