Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. Cross sectional SEM image of garnet SSE.
  • fig. S2. Cross section of Al-coated garnet SSE pellet.
  • fig. S3. Magnified SEM image of Al-coated garnet SSE.
  • fig. S4. Cross section of garnet-Li metal.
  • fig. S5. Cross section of the interface between Li metal and Al-coated garnet SSE.
  • fig. S6. Digital image and XRD of the lithiated Al-coated garnet SSE.
  • fig. S7. Preparation of Li | Al–garnet SSE–Al | Li.
  • fig. S8. Symmetric cell setup for charge and discharge tests.
  • fig. S9. Digital image of the symmetric cells assembled into 2032 coin cells.
  • fig. S10. Cross-sectional SEM images of the cycled Li | Al-coated garnet SSE interface.
  • fig. S11. Electrochemical performance of the hybrid solid-state Li-S battery: Cycling stability of the cell and coulombic efficiency of the cell.
  • fig. S12. SEM image of the garnet SSE in cycled Li-S cell.
  • fig. S13. XRD profile of the garnet after cycling in Li-S cell.
  • table S1. The phase equilibria and decomposition energies of the garnet SSE and Li-Al alloy interfaces.

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