Tuning the Solid Electrolyte Interphase for Selective Li- and Na-Ion Storage in Hard Carbon

Fernando A. Soto, Pengfei Yan, Mark H. Engelhard, Asma Marzouk, Chongmin Wang, Guiliang Xu, Zonghai Chen, Khalil Amine, Jun Liu, Vincent L. Sprenkle, Fedwa El-Mellouhi, Perla B. Balbuena, Xiaolin Li

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Solid-electrolyte interphase (SEI) films with controllable properties are highly desirable for improving battery performance. In this paper, a combined experimental and theoretical approach is used to study SEI films formed on hard carbon in Li- and Na-ion batteries. It is shown that a stable SEI layer can be designed by precycling an electrode in a desired Li- or Na-based electrolyte, and that ionic transport can be kinetically controlled. Selective Li- and Na-based SEI membranes are produced using Li- or Na-based electrolytes, respectively. The Na-based SEI allows easy transport of Li ions, while the Li-based SEI shuts off Na-ion transport. Na-ion storage can be manipulated by tuning the SEI layer with film-forming electrolyte additives, or by preforming an SEI layer on the electrode surface. The Na specific capacity can be controlled to < 25 mAh g-1; ≈ 1/10 of the normal capacity (250 mAh g-1). Unusual selective/preferential transport of Li ions is demonstrated by preforming an SEI layer on the electrode surface and corroborated with a mixed electrolyte. This work may provide new guidance for preparing good ion-selective conductors using electrochemical approaches.

Original languageEnglish
JournalAdvanced Materials
DOIs
Publication statusAccepted/In press - 2017

Fingerprint

Solid electrolytes
Carbon
Tuning
Ions
Electrolytes
Preforming
Electrodes
Membranes

Keywords

  • Li-ion batteries
  • Na-ion batteries
  • Selective ion transfer
  • Solid-electrolyte interphase

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Soto, F. A., Yan, P., Engelhard, M. H., Marzouk, A., Wang, C., Xu, G., ... Li, X. (Accepted/In press). Tuning the Solid Electrolyte Interphase for Selective Li- and Na-Ion Storage in Hard Carbon. Advanced Materials. https://doi.org/10.1002/adma.201606860

Tuning the Solid Electrolyte Interphase for Selective Li- and Na-Ion Storage in Hard Carbon. / Soto, Fernando A.; Yan, Pengfei; Engelhard, Mark H.; Marzouk, Asma; Wang, Chongmin; Xu, Guiliang; Chen, Zonghai; Amine, Khalil; Liu, Jun; Sprenkle, Vincent L.; El-Mellouhi, Fedwa; Balbuena, Perla B.; Li, Xiaolin.

In: Advanced Materials, 2017.

Research output: Contribution to journalArticle

Soto, FA, Yan, P, Engelhard, MH, Marzouk, A, Wang, C, Xu, G, Chen, Z, Amine, K, Liu, J, Sprenkle, VL, El-Mellouhi, F, Balbuena, PB & Li, X 2017, 'Tuning the Solid Electrolyte Interphase for Selective Li- and Na-Ion Storage in Hard Carbon', Advanced Materials. https://doi.org/10.1002/adma.201606860
Soto, Fernando A. ; Yan, Pengfei ; Engelhard, Mark H. ; Marzouk, Asma ; Wang, Chongmin ; Xu, Guiliang ; Chen, Zonghai ; Amine, Khalil ; Liu, Jun ; Sprenkle, Vincent L. ; El-Mellouhi, Fedwa ; Balbuena, Perla B. ; Li, Xiaolin. / Tuning the Solid Electrolyte Interphase for Selective Li- and Na-Ion Storage in Hard Carbon. In: Advanced Materials. 2017.
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