Spectroscopy — Conductive metal–organic framework with redox metal center as cathode for high rate performance lithium ion battery

4 measurement groups · 6 results

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

Lithiated Cu3(HHTP)2 cathode · Electrode

De-lithiated and lithiated cathodes compared.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu LMM Auger peak before Li intercalation	Cu L3M4,5M4,5 peak at 918.1 eV assigned to Cu2+	—	—	Caption Exact Reported	5 · Supplementary figures and tables · Fig. S5
Cu LMM Auger peak after lithiation	distinctive LMM peak at 916.4 eV attributed to Cu+	—	—	Caption Exact Reported	5 · Supplementary figures and tables · Fig. S5

Delithiated Cu3(HHTP)2 cathode after 500 cycles · Electrode

Electrodes after 500 cycles at 1C and 20C, finished de-lithiated before analysis.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
residual Cu+ after de-lithiation	Cu+ signal remains after 500 cycles, stronger at 1C than 20C	—	—	Text Qualitative	6 · 3.5. Capacity decay mechanism · Fig. 7

Lithiated Cu3(HHTP)2 cathode · Electrode

Pristine and lithiated electrodes compared; XAS performed at Beijing Synchrotron Radiation Facility using fluorescence mode.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-Cu higher-shell EXAFS peak	no higher shell Cu-Cu peak at 2.5 Angstrom	0.25 nm	—	Text Exact Reported	6 · 3.5. Capacity decay mechanism · Fig. S9
XAS/XANES/EXAFS structural change after lithiation	no obvious difference in XANES and EXAFS region before and after lithiation	—	—	Text Qualitative	6 · 3.5. Capacity decay mechanism · Fig. S8

Lithiated Cu3(HHTP)2 cathode · Electrode

Pristine electrode and electrode after first lithiation compared.

Context: lithiated versus pristine electrode
Measurement source: 4 · 3.3. Lithium ion insertion-desertion discussion · Fig. 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu 2p3/2 binding energy shift on lithiation	from 934.6 to 932.1 eV	—	—	Text Exact Reported	5 · 3.3. Lithium ion insertion-desertion discussion · Fig. 4