Iodine-Doped Carbon Nitride with Enhanced Electron Delocalization as Metal-Free Sulfur Hosts for Stable Lithium-Sulfur Batteries.

Xu Yan, Ruxin Liao, Kaifu Lin, Shiman Fan, Ren He, Chaoqi Zhang, Hongbing Zhan

Abstract read

In one paragraph

Article in Nanomaterials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Xu YanCollege of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China.

Ruxin LiaoCollege of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China.

Kaifu LinCollege of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China.ORCID 0009-0002-3670-773X

Shiman FanCollege of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China.

Ren HeCatalonia Institute for Energy Research-IREC, Sant Adria de Besos, 08930 Barcelona, Spain.ORCID 0000-0003-3712-5539

Chaoqi ZhangCollege of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China.ORCID 0000-0002-0357-235X

Hongbing ZhanCollege of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China.

Funding

Fuzhou University Qishan Scholar Overseas Project Fund XRC-23121Natural Science Foundation of Fujian Province 2024J08139

6 · The paper itself

Abstract

Suppressing the polysulfide shuttle effect and accelerating the sulfur redox kinetics remain pivotal challenges for advancing the practical viability of lithium-sulfur batteries (LSBs). In this study, an iodine-doped carbon nitride (I-CN) material was synthesized via a one-step annealing strategy and employed as a metal-free sulfur cathode host. Compared to its pristine counterpart, I-CN exhibits a substantially increased specific surface area, which facilitates the homogeneous dispersion of sulfur species. More importantly, the incorporation of iodine atoms disrupts the equilibrium of the electron cloud distribution within the CN framework, leading to enhanced electron delocalization. This electronic modulation not only significantly improves the charge transport properties of carbon nitride but also strengthens the adsorption of lithium polysulfides (LiPS) and promotes Li

Indexed as

carbon nitrideelectron delocalizationlithium-sulfur battery

Identifiers

PMID41823746

DOI10.3390/nano16050291

PMCPMC12986240

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