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Data · dataset · 2026

Research data for Sn/Sn-chalcogenide@C anodes for LIBs

Listed in Teesside University Research Data Repository

This study investigates whether introducing metallic Sn/Sn-chalcogenide heterointerfaces within a yolk-shell carbon framework can improve lithium-ion storage kinetics and cycling stability.

Description

Sn@C and Sn/SnXy@C composites (X= S, Se, Te; y=1 or 2) were prepared by spray pyrolysis and subsequent thermal treatments. Structural and compositional properties were examined using electron microscopy, XRD, XPS, Raman spectroscopy, and elemental analysis.

Lithium-storage performance was evaluated through galvanostatic cycling, rate tests, CV, EIS, and GITT. Ex-situ XRD and XPS were used to examine phase and surface chemical state changes during lithiation/delithiation. Computational analyses investigated electronic structure, Li migration, and mechanical response.

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Full-cell measurements were conducted using prelithiated anodes paired with commercial LFP and NCM811 cathodes. The results reveal composition-dependent electrochemical behavior, with Sn/SnSe2@C showing the best overall performance among the investigated electrodes. The data can be used to examine relationships between composition, structure, reaction kinetics, and cycling performance.

Comparisons should account for current density, voltage range, cycle number, electrode state, and the mass basis used to normalize capacity.

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Catalogue records · 1

Topics

Inferred from text
Microscopy 75%
Provenance · 1 source records, 13 field assertions
SourceKeyLast seenRaw
Teesside University Research Data Repositoryoai:data.mendeley.com/3yx23yhf44.15 d agoJSON v1
FieldAssertionExtractorEvidence
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