Chen H., Xiao Y., Chen C. et al. · ACS Applied Materials and Interfaces · 2019 · 11459-11465
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.
The Ni3(HITP)2-modified separator improves Li-S electrochemical performance relative to PP, including lower Rct, lower polarisation, better rate capacity and higher long-cycle capacity.
Caveat: Some PP long-cycle comparison capacity is visually estimated from Fig. 5a; exact PP endpoint is not reported in text.
main p.4, article p.11462 · Results and Discussion · Fig. 4; Fig. 5; Table S2 · Linked to 8 structured results
The Ni3(HITP)2 coating provides micropores, hydrophilic/polar sites and conductivity to contact, trap and adsorb polysulfides while improving electrochemical kinetics.
Caveat: This paper does not directly report a new electrical conductivity measurement for Ni3(HITP)2; conductivity is invoked as an intrinsic property and cited to prior work.
main p.1, article p.11459 · Abstract · Linked to 6 structured results
Ni3(HITP)2 retains its crystalline structure after filtration onto PP, after polysulfide adsorption and after battery cycling.
Caveat: The claim is based on XRD pattern agreement, not full structural refinement.
main p.3, article p.11461 · Results and Discussion · Fig. 1a; Fig. S4; Fig. S7 · Linked to 3 structured results
The separator decoration is made by a simple filtration method that the authors describe as rapid and scalable.
Caveat: Scalability is asserted by the authors; no scale-up dataset is reported.
main p.2, article p.11460 · Introduction · Scheme 1 · Linked to 1 structured result
Ni3(HITP)2 anchors polysulfides through physical confinement and chemical interaction, as indicated by slowed permeation, colour-loss adsorption, sulfur mapping, FTIR and XPS peaks.
Caveat: Interaction assignments are spectroscopic and qualitative; adsorption capacity is not quantified.
main p.3, article p.11461 · Results and Discussion · Fig. 2; Fig. 3; Fig. S4-S8 · Linked to 7 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Ni3(HITP)2Browse family: Ni₃(HITP)₂ / Ni–HITP | Ni3(HITP)2Ni2+ nodes · HITP = 2,3,6,7,10,11-hexaiminotriphenylene; prepared from HATP.6HCl | 2D · PristineConductive two-dimensional layered MOF with hexagonal pores and one-dimensional channels. | main p.2, article p.11460 · Introduction/Experimental Section · Scheme 1; Fig. S1 |
| Ni3(HITP)2-modified polypropylene separatorBrowse family: Ni₃(HITP)₂ / Ni–HITP | Ni3(HITP)2/PVDF on PPNi2+ nodes in the Ni3(HITP)2 layer · HITP in Ni3(HITP)2 | 2D · CompositeComposite separator consisting of a Ni3(HITP)2-containing coating filtered onto a polypropylene separator. | main p.2, article p.11460 · Preparation of the Ni3(HITP)2-Modified Separator · Scheme 1 |
| Polypropylene separator | PP | unknown · UnknownCommercial polypropylene separator control. | main p.3, article p.11461 · Results and Discussion · Fig. 2 |
| Sulfur/Super P/PVDF cathode | S/Super P/PVDF | unknown · CompositeComposite sulfur cathode used in CR2025 Li-S cells. | main p.2, article p.11460 · Preparation of the Cathode |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| CR2025 Li-S cell with Ni3(HITP)2-modified separatorresearch_0778__mat__ni3_hitp2_pp_separator | Unknown · Target Sample · Composite | CR2025 coin cell assembled in an argon-filled glovebox with Li metal anode, sulfur cathode and Ni3(HITP)2-modified separator. | main p.2, article p.11460 · Electrochemical Measurements |
| CR2025 Li-S cell with PP separatorresearch_0778__mat__pp_separator_material | Unknown · Pristine Control · Composite | CR2025 coin cell assembled with Li metal anode, sulfur cathode and unmodified PP separator. | main p.4, article p.11462 · Results and Discussion · Fig. 5 |
| Ni3(HITP)2 powder after Li2S6 adsorptionresearch_0778__mat__ni3_hitp2 | Powder · Target Sample · Guest Loaded | Ni3(HITP)2 powder contacted with 0.3 mM Li2S6 solution for adsorption testing. | SI p.S-5 · Supporting Information · Fig. S4 |
| Ni3(HITP)2 after Li-S cell cycling/dischargeresearch_0778__mat__ni3_hitp2 | Powder · Target Sample · Guest Loaded | Ni3(HITP)2 recovered after battery cycling or discharging for SEM mapping, XRD, FTIR and XPS. | main p.3, article p.11461 · Results and Discussion · Fig. S6-S8; Fig. 3 |
| Ni3(HITP)2-modified separatorresearch_0778__mat__ni3_hitp2_pp_separator | Thin Film · Target Sample · Composite | Ni3(HITP)2/PVDF/NMP dispersion ultrasonicated, filtered onto PP, then vacuum dried at 60 deg C for 24 h.polypropylene separator · 8 um Ni3(HITP)2 layer; Ni3(HITP)2 loading approximately 0.33 mg cm-2 | main p.2, article p.11460 · Preparation of the Ni3(HITP)2-Modified Separator · Fig. 1c,d; Fig. 2b |
| As-synthesised Ni3(HITP)2 powderresearch_0778__mat__ni3_hitp2 | Powder · Pristine Control · Pristine Framework | Black powder washed with deionised water three times and dried overnight in a room-temperature vacuum oven. | main p.2, article p.11460 · Synthesis of Ni3(HITP)2 |
| Unmodified PP separatorresearch_0778__mat__pp_separator_material | Thin Film · Pristine Control · Pristine Framework | Commercial PP separator used without MOF modification. | main p.3, article p.11461 · Results and Discussion · Fig. 2a,c,e |
| Sulfur cathoderesearch_0778__mat__sulfur_cathode_composite | Electrode · Composite Sample · Composite | S/Super P/PVDF slurry coated onto Al foil and dried at 60 deg C for 12 h.aluminium foil · 12.7 mm diameter circular electrodes | main p.2, article p.11460 · Preparation of the Cathode |