Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. The optical images for the serpentine ribbon current collectors stretched to 50, 100, 150, and 200% before and after releasing the stretch.
  • fig. S2. Dimensions and optical images of the helical band spring and serpentine ribbon current collectors.
  • fig. S3. SEM images of the wire battery components.
  • fig. S4. SEM characterization of the thread-embedded silver electrode.
  • fig. S5. The schematic of the custom-made flexing apparatus.
  • fig. S6. Charge-discharge curves of the wire battery operated under continuous flexing conditions.
  • fig. S7. Electrochemical cycling performance of the wire battery that was periodically stopped and flexed 1500 times in between the electrochemical cycles.
  • fig. S8. A postmortem analysis of the wire battery.
  • fig. S9. Performance characteristics of the 4-cm-long wire battery designed for integration with the solar module.
  • fig. S10. Performance characteristics of the OPV module designed for integration with the wire battery.
  • fig. S11. Power-voltage characteristics of the OPV module designed for integration with the wire battery.
  • fig. S12. The schematic of the encapsulation of serpentine battery.
  • fig. S13. Current-voltage characteristic of the particular OPV module used to charge the wire battery under sunlight.
  • table S1. Performance parameters of single-OPV cells and four-cell modules under various lighting conditions.
  • Supplementary Methods

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