Spectroscopy — Conductive Metal-Organic Framework with Superior Redox Activity as a Stable High-Capacity Anode for High-Temperature K-Ion Batteries

Measurement evidence

Spectroscopy

Conductive Metal-Organic Framework with Superior Redox Activity as a Stable High-Capacity Anode for High-Temperature K-Ion Batteries · Yang M., Zeng X., Xie M. et al. · Journal of the American Chemical Society · 2024 · 6753-6762

3 measurement groups · 10 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

ex situ FTIR and XPS during potassiation/depotassiation

HAN-Cu-MOF KIB anode film · Electrode

60 degC; pristine, discharged to 0.01 V, charged to 3.0 V

Temperature
333
Geometry
KIB electrode
Context
HAN-Cu-MOF electrode
Measurement source
6759 · Results and Discussion · Figure 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FTIR C=N peak before potassiation1562 cm-1Text
Exact Reported
6759 · Results and Discussion · Figure 5b
FTIR C=O peak before potassiation1624 cm-1Text
Exact Reported
6759 · Results and Discussion · Figure 5b
repeat-unit redox electron count10.5-electron redox activity with K ionsText
Exact Reported
6759 · Results and Discussion · Figure 5f,g
ex situ Cu2+ Cu 2p3/2 binding energy934.8 eVText
Exact Reported
6759 · Results and Discussion · Figure 5e
ex situ Cu+ Cu 2p3/2 binding energy932.3 eVText
Exact Reported
6759 · Results and Discussion · Figure 5e
pristine N 1s C=N binding energy398.6 eVText
Exact Reported
6759 · Results and Discussion · Figure 5c
pristine O 1s C=O binding energy532.8 eVText
Exact Reported
6759 · Results and Discussion · Figure 5d

FTIR and XPS

bulk HAN-Cu-MOF powder · Powder

Coordination and elemental/valence state characterisation

Context
pristine framework powder compared with HAN-6OH
Measurement source
6756 · Results and Discussion · Figures S10-S11
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu2+ Cu 2p3/2 binding energy934.3 eVText
Exact Reported
6756 · Results and Discussion · Figure S11b
Cu+ Cu 2p3/2 binding energy932 eVText
Exact Reported
6756 · Results and Discussion · Figure S11b

UV-vis-NIR absorption and Tauc plot

bulk HAN-Cu-MOF powder · Powder

Optical band gap extracted from UV-vis-NIR spectrum

Context
pristine framework powder
Measurement source
6756 · Results and Discussion · Figure S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
optical band gap1.62 eVText
Exact Reported
6756 · Results and Discussion · Figure S12