Articles with "polysulfide conversion" as a keyword



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Unlocking Activity Origins of High‐Entropy Spinel Oxides: Tailoring Octahedral Coordination Chemistry for Accelerated Polysulfide Conversion

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202511616

Abstract: High‐entropy transition metal oxides with a spinel structure exhibit excellent catalytic activity for the redox reactions of sulfur species in lithium‐sulfur batteries (LSBs). However, the underlying origin of their catalytic activity—driven by geometric configuration and… read more here.

Keywords: spectroscopy; chemistry; polysulfide conversion; high entropy ... See more keywords

P‐Doped NiTe2 with Te‐Vacancies in Lithium–Sulfur Batteries Prevents Shuttling and Promotes Polysulfide Conversion

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202106370

Abstract: Lithium–sulfur (Li–S) batteries have been hindered by the shuttle effect and sluggish polysulfide conversion kinetics. Here, a P‐doped nickel tellurium electrocatalyst with Te‐vacancies (P⊂NiTe2−x) anchored on maize‐straw carbon (MSC) nanosheets, served as a functional layer… read more here.

Keywords: msc nite2; lithium sulfur; conversion; polysulfide conversion ... See more keywords

Regulating Polysulfide Conversion Kinetics Using Tungsten Diboride as Additive For High-Performance Li-S Battery.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202203222

Abstract: The practical application of Li-S batteries is severely limited due to low sulfur utilization, sluggish sulfur redox kinetics, intermediate polysulfide dissolution/shuttling, and subsequent anode degradation. A smart cathode with efficient electrocatalyst and a protected anode… read more here.

Keywords: regulating polysulfide; sulfur; tungsten diboride; polysulfide conversion ... See more keywords

Enhanced Polysulfide Conversion and Shuttle Suppression in Lithium-Sulfur Batteries via Fe-Phytate Modified Sulfur Cathode.

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Published in 2025 at "Small"

DOI: 10.1002/smll.202411744

Abstract: The practical application of lithium-sulfur (Li-S) batteries is severely impeded by poor cycling performance arising from sluggish redox kinetics and the shuttle effect of polysulfides. In this work, novel transition metal phytates are pioneered to… read more here.

Keywords: lithium sulfur; phytate modified; polysulfide conversion; sulfur batteries ... See more keywords

Enabling rapid polysulfide conversion kinetics by using functionalized carbon nanosheets as metal-free electrocatalysts in durable lithium-sulfur batteries

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.123840

Abstract: Abstract Propelling polysulfide conversion and regulating the precipitation of lithium sulfides by introducing electrocatalysts has been proven as an effective strategy to enhance the durability of the lithium-sulfur (Li-S) batteries. Herein, the two-dimensional N-doped carbon… read more here.

Keywords: polysulfide conversion; carbon nanosheets; carbon; lithium ... See more keywords

Adaptively Reforming Natural Enzyme to Activate Catalytic Microenvironment for Polysulfide Conversion in Lithium-Sulfur Batteries.

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Published in 2023 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c18976

Abstract: Catalyzing polysulfide conversion is a promising way toward accelerating complex and sluggish sulfur redox reactions (SRRs) in lithium-sulfur batteries. Reasonable alteration of an enzyme provides a new means to expand the natural enzyme universe to… read more here.

Keywords: natural enzyme; lithium sulfur; conversion; polysulfide conversion ... See more keywords

t2 occupancy as a descriptor for polysulfide conversion on spinel oxides

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Published in 2025 at "Nature Communications"

DOI: 10.1038/s41467-025-63903-3

Abstract: Transition metal oxides with partially filled d orbitals serve as effective polysulfide conversion catalysts in lithium-sulfur batteries. Nonetheless, a predictive descriptor to elucidate their structure-activity relationship is still lacking. To fill this gap, here we… read more here.

Keywords: polysulfide conversion; conversion; occupancy; descriptor ... See more keywords

Identification of linear scaling relationships in polysulfide conversion on α-In2Se3 supported single-atom catalysts

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Published in 2023 at "Physical Chemistry Chemical Physics"

DOI: 10.1039/d3cp00371j

Abstract: Developing highly active single-atom catalysts (SACs) for suppressing the shuttle effect and enhancing kinetics of polysulfide conversion is regarded as an important approach to improve the performance of Li-S batteries.... read more here.

Keywords: single atom; polysulfide conversion; atom catalysts; identification linear ... See more keywords

Dual functional coordination interactions enable fast polysulfide conversion and robust interphase for high-loading lithium-sulfur batteries.

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Published in 2025 at "Materials horizons"

DOI: 10.1039/d4mh01504e

Abstract: The stable operation of high-capacity lithium-sulfur batteries (LSBs) has been hampered by slow conversion kinetics of lithium polysulfides (LiPSs) and instability of the lithium metal anodes. Herein, 6-(dibutylamino)-1,3,5-triazine-2,4-thiol (DTD) is introduced as a functional additive… read more here.

Keywords: lithium; polysulfide conversion; sulfur; lithium sulfur ... See more keywords