Energy, Environmental, and Catalysis Applications
- Jingjing He
Jingjing He
School of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
More by Jingjing He
- Xi Chen
Xi Chen
School of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
More by Xi Chen
- Yang Wu
Yang Wu
School of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
More by Yang Wu
- Jiahao Sun
Jiahao Sun
School of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
More by Jiahao Sun
- Ruitao Wang
Ruitao Wang
School of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
More by Ruitao Wang
- Xiaogang Wen*
Xiaogang Wen
School of Materials Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
*Email:[emailprotected]
More by Xiaogang Wen
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
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https://pubs.acs.org/doi/10.1021/acsami.5c01577
Published April 24, 2025
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Abstract
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Nitrogen-doped porous carbon microtubes embedded with Ni/Zn catalytic sites (NiZn-NPCT) are constructed from palm threads and can be used as both a S cathodic host and a separator modifier for advanced lithium–sulfur batteries. NiZn-NPCT possesses unique interconnected porous tunnels and abundantly exposed active sites, which increase the affinity for lithium polysulfides (LiPSs) and thus inhibit the shuttle effect. The kinetic studies indicate that NiZn-NPCT can accelerate the redox transformation of sulfur species. The battery assembled with the NiZn-NPCT-modified separator achieves high initial discharge capacities of 1220 and 409.1 mAh g–1 at 0.1C and 5C, respectively, with good cycling stability (418.1 mAh g–1 after 500 cycles at 1C). In addition, with a higher sulfur/NiZn-NPCT mass ratio (9:1), the battery still exhibited high initial discharge capacities of 1234.4 (0.1C) and 551.3 mAh g–1 (5C). This study offers an effective strategy to utilize renewable biomass with a unique microstructure and realize high-performance Li–S batteries.
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
Click to copy citationCitation copied!
Published April 24, 2025
Publication History
Received
Accepted
Revised
Published
online
© 2025 American Chemical Society
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