Mahmud A.A., Alshatteri A.H., Alhasan H.S. et al. · Electrochimica Acta · 2024 · 144857
Open a family to keep every result attached to its sample, method and conditions.
Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.
Cu-doped Sr MOF functions as both a high-performing supercapacitor electrode and an alkaline OER electrocatalyst.
Caveat: Application electrodes include binders/current collectors; intrinsic framework conductivity is not directly measured.
12 · 4 Conclusions · Linked to 5 structured results
The authors suggest further studies using co-doped two metals in the Sr MOF cluster to improve electrochemical and electrocatalytic activity.
Caveat: This is an author-proposed future direction, not a measured result in this paper.
12 · 4 Conclusions
Cu2+ ions are doped into the Sr MOF structure without destroying the Sr MOF crystal structure.
Caveat: No CIF or refined dopant occupancy is supplied in the assigned documents.
5 · 3.1 Materials characterization · Fig. 2 · Linked to 4 structured results
Synergistic Cu2+ and Sr2+ effects in the MOF cluster are proposed to drive the lower OER overpotential and Tafel slope.
Caveat: Mechanism is inferred from comparative electrochemistry, XPS and surface-area data rather than operando spectroscopy.
10 · 3.3 Electrochemical OER Activity · Fig. 8 · Linked to 6 structured results
Higher BET surface area and larger mesopores in Cu-doped Sr MOF are linked to better ion penetration, capacity and rate capability.
Caveat: Correlation is supported by electrochemical trends but not isolated from other effects such as Cu redox chemistry and oxygen vacancies.
9 · 3.2 Electrochemical performance for supercapacitor application · Fig. 6c · Linked to 4 structured results
Cu doping improves electronic/charge-transfer behaviour of the Sr MOF electrode, lowering Rct and increasing K+ diffusion.
Caveat: Conductivity is inferred from EIS and electrochemical diffusion analysis; no direct four-probe electronic conductivity is reported.
10 · 3.2 Electrochemical performance for supercapacitor application · Fig. 6d-e · Linked to 4 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Cu-doped Sr MOF | Cu-doped Sr-BTC MOFSr2+ framework clusters partially substituted/doped with Cu2+; mixed Cu(I)/Cu(II) surface states observed by XPS · benzene-1,3,5-tricarboxylate (BTC) | unknown · PristineCu-doped Sr MOF retaining the Sr MOF crystal structure with shifted XRD peaks and defect-related intensity changes. | 5 · 3.1 Materials characterization · Fig. 2a |
| Cu-doped Sr MOF//AC asymmetric supercapacitor | Cu-doped Sr MOF positive electrode // activated carbon negative electrodeSr/Cu-containing MOF clusters in positive electrode · BTC in positive electrode MOF component | unknown · CompositeAsymmetric device using Cu-doped Sr MOF positive electrode, activated carbon negative electrode, glass microfiber separator and 3 M KOH. | 3 · 2.4 Electrochemical analysis |
| Cu-doped Sr MOF supercapacitor electrode composite | Cu-doped Sr MOF + carbon black + PVDF on Ni foamSr/Cu-containing MOF clusters in active component · BTC in Cu-doped Sr MOF component | unknown · CompositeComposite working electrode prepared from 85 wt.% Cu-doped Sr MOF, 10 wt.% carbon black and 5 wt.% PVDF. | 2 · 2.4 Electrochemical analysis |
| Undoped Sr MOF | Sr-BTC MOF; CCDC no. 1551141 reported for Sr MOF phaseSr2+ centres / Sr-containing metal clusters · benzene-1,3,5-tricarboxylate (BTC) | unknown · PristineMonoclinic Sr MOF assigned to space group P21/C using powder XRD and previously reported Sr MOF pattern. | 4 · 3.1 Materials characterization · Fig. 2a |
| Undoped Sr MOF supercapacitor electrode composite | Sr MOF + carbon black + PVDF on Ni foamSr2+ centres in Sr MOF component · BTC in Sr MOF component | unknown · CompositeComposite working electrode prepared from 85 wt.% Sr MOF, 10 wt.% carbon black and 5 wt.% PVDF. | 2 · 2.4 Electrochemical analysis |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| Cu-doped Sr MOF powderresearch_0304__mat__mat_cu_doped_sr_mof | Powder · Target Sample · Doped | as-synthesized hydrothermal powder, light blue solid, vacuum dried | 2 · 2.2 Synthesis of Cu-doped Sr MOFs |
| Cu-doped Sr MOF//AC ASC deviceresearch_0304__mat__mat_cu_sr_mof_ac_device | Electrode · Composite Sample · Composite | Asymmetric supercapacitor assembled in Ar-filled glovebox with glass microfiber filter separator pre-soaked in 3 M KOH | 3 · 2.4 Electrochemical analysis |
| Cu-doped Sr MOF OER glassy-carbon electroderesearch_0304__mat__mat_cu_doped_sr_mof | Electrode · Target Sample · Composite | 2 mg material dispersed in water/ethanol with 5 wt.% Nafion; 10 uL drop-cast on GCE; mass loading 1.56 mg cm-2glassy carbon electrode | 3 · 2.4 Electrochemical analysis |
| Cu-doped Sr MOF/Ni foam supercapacitor electroderesearch_0304__mat__mat_cu_sr_mof_sc_electrode | Electrode · Target Sample · Composite | 85 wt.% Cu-doped Sr MOF, 10 wt.% carbon black, 5 wt.% PVDF in NMP; pressed on 1 x 2 cm2 Ni foam and driedNi foam | 2 · 2.4 Electrochemical analysis |
| Undoped Sr MOF OER glassy-carbon electroderesearch_0304__mat__mat_sr_mof | Electrode · Pristine Control · Composite | 2 mg material dispersed in water/ethanol with 5 wt.% Nafion; 10 uL drop-cast on GCE; mass loading 1.57 mg cm-2glassy carbon electrode | 3 · 2.4 Electrochemical analysis |
| Undoped Sr MOF powderresearch_0304__mat__mat_sr_mof | Powder · Pristine Control · Pristine Framework | as-synthesized powder/control material | 3 · 3.1 Materials characterization · Fig. 1a-b |
| Undoped Sr MOF/Ni foam supercapacitor electroderesearch_0304__mat__mat_sr_mof_sc_electrode | Electrode · Pristine Control · Composite | 85 wt.% Sr MOF, 10 wt.% carbon black, 5 wt.% PVDF in NMP; pressed on 1 x 2 cm2 Ni foam and driedNi foam | 2 · 2.4 Electrochemical analysis |