Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. A schematic of the electrochemical cell.
  • Fig. S2. XRD patterns of FeS electrolyzed at −1.0 V versus SHE for different durations.
  • Fig. S3. XRD patterns of metal sulfides before and after the 7-day electrolysis.
  • Fig. S4. Total charges build up during the electrolysis.
  • Fig. S5. Calibration curves for organic acids by the LC-electric conductivity detector system.
  • Fig. S6. Calibration curves for NO3 and NO2 by the LC-electric conductivity detector system.
  • Fig. S7. Calibration curves for amino acids and ammonia by the LC-fluorescence detector system.
  • Fig. S8. Calibration curves for H2, CO, CH4, and C2H6 by the GC-BID detector system.
  • Fig. S9. Nonenzymatic reactions in the presence of pure H2 gas, FeCl2, FeS, FeS_PERM, and Fe0 and those examined in the absence of reductant.
  • Fig. S10. Analytical results of fumarate (5 mM, 1.5 ml) incubated with the FeS_PERM (100 mg) at 80°C for 2 days.
  • Fig. S11. Reductive amination of four keto acids promoted by the FeS_PERM in one serum bottle.
  • Fig. S12. XRD patterns of CuS electrolyzed at −0.8 and −1.0 V (versus SHE) for short durations.
  • Fig. S13. XRD patterns of pure Fe0 used in the present study.
  • Fig. S14. GC chromatograms of the gas headspaces of serum bottles measured after the reduction experiments of organic/inorganic compounds.
  • Table S1. Summary of the reduction experiments of organic/inorganic compounds.
  • Table S2. Amounts of H2, CO, CH4, and C2H6 in the serum bottles (30 ml) after the reduction experiments of organic/inorganic compounds.
  • Table S3. Thermodynamic data for sulfide minerals.

Download PDF

Files in this Data Supplement: