Spectroscopy — Conductive metal-organic frameworks promoting polysulfides transformation in lithium-sulfur batteries

Measurement evidence

Spectroscopy

Conductive metal-organic frameworks promoting polysulfides transformation in lithium-sulfur batteries · Wang S., Huang F., Zhang Z. et al. · Journal of Energy Chemistry · 2021 · 336-343

2 measurement groups · 6 results

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

static Li2S6 polysulfide adsorption visual test

Ni-HHTP particles · Powder

10 mg MOF particles in vials; 13 uL 0.5 M Li2S6 catholyte plus 2 mL DME; static adsorption for 6 h.

Geometry: 3 mL glass vial
Context: pristine Ni-HHTP compared with Ni-BTC control
Measurement source: p003-p004 / article pp338-339 · 2.6 Polysulfides adsorption test; Results and discussion · Fig. 3c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni-BTC visual polysulfide adsorption outcome	polysulfides solution remains brown yellow after 6 h	—	—	Qualitative Qualitative	p004 / article p339 · Results and discussion · Fig. 3c
Ni-HHTP visual polysulfide adsorption outcomeMarked as a best value within this paper	decolours polysulfides solution after 6 h	—	—	Qualitative Qualitative	p004 / article p339 · Results and discussion · Fig. 3c

UV-vis absorption spectroscopy after static adsorption

UV-visible and optical absorption spectroscopy

Ni-HHTP particles · Powder

UV-vis spectra of polysulfide solution after 6 h adsorption with Ni-HHTP or Ni-BTC.

Context: pristine Ni-HHTP compared with Ni-BTC control
Measurement source: p004 / article p339 · Results and discussion · Fig. 3d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Li2S6 strong UV-vis absorption range	350-500 nm	—	—	Text Range	p004 / article p339 · Results and discussion · Fig. 3d
Li2S6 weak UV-vis absorption feature	~610 nm	610 nm	—	Text Approximate	p004 / article p339 · Results and discussion · Fig. 3d
UV-vis polysulfide peaks after Ni-BTC adsorption	polysulfide peaks remain with Ni-BTC	—	—	Qualitative Qualitative	p004 / article p339 · Results and discussion · Fig. 3d
UV-vis polysulfide peaks after Ni-HHTP adsorptionMarked as a best value within this paper	polysulfide peaks disappear after adsorption by Ni-HHTP	—	—	Qualitative Qualitative	p004 / article p339 · Results and discussion · Fig. 3d