Articles with "modified separator" as a keyword



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TiO2 microbox/carbon nanotube composite-modified separator for high-performance lithium-sulfur batteries

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Published in 2020 at "Journal of Solid State Electrochemistry"

DOI: 10.1007/s10008-020-04870-1

Abstract: Mesoporous hollow TiO2 microboxes are synthesized by a two-step solvothermal method via CaTiO3 intermediate. Composite consisting of TiO2 microboxes and carbon nanotubes (CNT) is applied as a coating layer on conventional polymer separator for lithium-sulfur… read more here.

Keywords: tio2; modified separator; separator; sulfur batteries ... See more keywords

Alleviating the shuttle effect via bifunctional MnFe2O4/AB modified separator for high performance lithium sulfur battery

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Published in 2020 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2020.136704

Abstract: Abstract Lithium sulfur battery has been regarded as a promising candidate for the next generation advanced energy storage system with the merits of remarkably high energy density, low cost and natural abundance of elemental sulfur.… read more here.

Keywords: modified separator; shuttle effect; mnfe2o4; battery ... See more keywords

Plastic waste residue-derived boron and nitrogen co-doped porous hybrid carbon for a modified separator of a lithium sulfur battery

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Published in 2021 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2021.138243

Abstract: Abstract The continuous consumption of plastic has caused plastic waste accumulation and negative impacts on the environment. In response to this issue, plastic waste recycling through a pyrolysis process to produce liquid oils has been… read more here.

Keywords: modified separator; waste; boron nitrogen; plastic waste ... See more keywords

Oxygen vacancy-rich MnO nanoflakes/N-doped carbon nanotubes modified separator enabling chemisorption and catalytic conversion of polysulfides for Li-S batteries.

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Published in 2021 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2021.12.004

Abstract: A modified separator for improving the electrochemical performance in Li-S batteries is fabricated by functional composites coating, comprised of MnO nanoflakes with rich oxygen vacancies and N doped carbon nanotubes (MnO-OVs/NCNTs). On the one hand,… read more here.

Keywords: doped carbon; separator; carbon nanotubes; mno ... See more keywords

Enormous-sulfur-content cathode and excellent electrochemical performance of Li-S battery accouched by surface engineering of Ni-doped WS2@rGO nanohybrid as a modified separator.

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Published in 2021 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2021.12.035

Abstract: The poor conductivity of sulfur, the lithium polysulfide's shuttle effect, and the lithium dendrite problem still impede the practical application of lithium-sulfur (Li-S) batteries. In this work, the ultrathin nickel-doped tungsten sulfide anchored on reduced… read more here.

Keywords: separator; ws2 rgo; sulfur; modified separator ... See more keywords

Efficient Polysulfide Redox Enabled by Lattice-Distorted Ni3Fe Intermetallic Electrocatalyst Modified Separator for Lithium-Sulfur Battery.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c02942

Abstract: Exploring efficient electrocatalysts for lithium-sulfur (Li-S) batteries is of great significance for the sulfur/polysulfide/sulfide multiphase conversion. Herein, we report nickel-iron intermetallic (Ni3Fe) as a novel electrocatalyst to trigger the highly efficient polysulfide-involving interfacial reactions. The… read more here.

Keywords: phase; modified separator; lithium sulfur; polysulfide redox ... See more keywords

Enhanced Sulfur Redox and Polysulfide Regulation via Porous VN-Modified Separator for Li-S Batteries.

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Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.8b22014

Abstract: Lithium-sulfur (Li-S) batteries have now emerged as the next-generation rechargeable energy storage system because of the high energy density and theoretical capacity. However, the notorious "lithium polysulfide (LiPS) shuttle" and sluggish kinetics in sulfur redox… read more here.

Keywords: enhanced sulfur; modified separator; porous modified; sulfur redox ... See more keywords

Conductive MOF-Modified Separator for Mitigating the Shuttle Effect of Lithium-Sulfur Battery through a Filtration Method.

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Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.8b22564

Abstract: Although there are plenty of merits for lithium-sulfur (Li-S) batteries, their undesired shuttle effect and insulated nature are hindering the practical applications. Here, a conductive metal-organic framework (MOF)-modified separator has been designed and fabricated through… read more here.

Keywords: shuttle effect; mof modified; modified separator; lithium sulfur ... See more keywords

A novel modified PI Separator with enhanced Dendrite-Suppressed and Puncture Prevention and Better size stability for Room Temperature Sodium-Sulfur Batteries

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Published in 2025 at "New Journal of Chemistry"

DOI: 10.1039/d4nj04589k

Abstract: Commercial battery separators (Celgard) have poor wettability, poor heat resistance, and low needle punching strength, and the growth of sodium dendrites can easily pierce the separators, seriously threatening the life... read more here.

Keywords: dendrite suppressed; enhanced dendrite; sodium; modified separator ... See more keywords

Functional modified separator with high-entropy material for high performance Zn-I2 batteries

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Published in 2025 at "Inorganic Chemistry Frontiers"

DOI: 10.1039/d4qi03244f

Abstract: The problems of soluble polyiodide shuttling and slow redox kinetics result in irrational cycling stability and restrict the further development of Zn-I2 batteries. In this paper, self-supporting layers containing high-entropy... read more here.

Keywords: entropy material; functional modified; separator high; modified separator ... See more keywords