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Porous-carbon supported and fluorine-doped lamellar SnO2-ZnO composite as anode for high-rate and long-cycle lithium-ion batteries.

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Title: Porous-carbon supported and fluorine-doped lamellar SnO2-ZnO composite as anode for high-rate and long-cycle lithium-ion batteries.
Authors: Ma, Dandan1,2 (AUTHOR), Jiang, Chaokui1,2,3 (AUTHOR), Feng, Zuyong1,2 (AUTHOR) fengzuyong@foxmail.com, Xiong, Deping1,2 (AUTHOR), He, Miao1,2,4 (AUTHOR) herofate666@126.com
Source: Ceramics International. Apr2026:Part A, Vol. 52 Issue 9, p11867-11878. 12p.
Subjects: Lithium-ion batteries, Negative electrode, Composite materials, Fluorine compounds, Carbon-based materials
Abstract: Tin dioxide (SnO 2) has attracted considerable interest as a promising anode material for lithium-ion batteries (LIBs) due to its high theoretical specific capacity. However, the practical utilization of SnO 2 faces certain inherent limitations such as poor inherent electrical conductivity and substantial volume expansion during lithiation. To resolve these challenges, we developed a NaCl-template-assisted synthetic strategy to fabricate a three-dimensional (3D) porous lamellar SnO 2 -ZnO@C-F (SZCF) composite. The hierarchically porous architecture of the SZCF composite effectively increases the specific surface area, thereby facilitating rapid Li+ and electron transport. SnO 2 and ZnO nanoparticles are uniformly encapsulated within carbon nanosheets, which not only alleviates volume expansion of SnO 2 but also forms an efficient conductive network, reducing Li+ and electron diffusion resistance. Fluorine doping introduces additional electrochemically active sites, thereby enhancing charge storage capability. Consequently, the 3D porous lamellar SnO 2 -ZnO@C-F composite as anode for LIBs delivers an excellent capacity (963.6 mAh g−1 at 0.2 A g−1 after 200 cycles) and long-term cycling performance (750.2 mAh g−1 at 1.0 A g−1 after 2000 cycles). In addition, it has also outstanding rate capability, reaching a capacity of 507.3 mAh g−1 even at a high current density of 5 A g−1. These findings clearly demonstrate the great potential of the 3D porous lamellar SnO 2 -ZnO@C-F composite as an outstanding anode material for next-generation lithium-ion batteries. [Display omitted] [ABSTRACT FROM AUTHOR]
Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 192510449
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Porous-carbon supported and fluorine-doped lamellar SnO2-ZnO composite as anode for high-rate and long-cycle lithium-ion batteries.
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  Data: <searchLink fieldCode="AR" term="%22Ma%2C+Dandan%22">Ma, Dandan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiang%2C+Chaokui%22">Jiang, Chaokui</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Feng%2C+Zuyong%22">Feng, Zuyong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> fengzuyong@foxmail.com</i><br /><searchLink fieldCode="AR" term="%22Xiong%2C+Deping%22">Xiong, Deping</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22He%2C+Miao%22">He, Miao</searchLink><relatesTo>1,2,4</relatesTo> (AUTHOR)<i> herofate666@126.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Ceramics+International%22">Ceramics International</searchLink>. Apr2026:Part A, Vol. 52 Issue 9, p11867-11878. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Negative+electrode%22">Negative electrode</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+materials%22">Composite materials</searchLink><br /><searchLink fieldCode="DE" term="%22Fluorine+compounds%22">Fluorine compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon-based+materials%22">Carbon-based materials</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Tin dioxide (SnO 2) has attracted considerable interest as a promising anode material for lithium-ion batteries (LIBs) due to its high theoretical specific capacity. However, the practical utilization of SnO 2 faces certain inherent limitations such as poor inherent electrical conductivity and substantial volume expansion during lithiation. To resolve these challenges, we developed a NaCl-template-assisted synthetic strategy to fabricate a three-dimensional (3D) porous lamellar SnO 2 -ZnO@C-F (SZCF) composite. The hierarchically porous architecture of the SZCF composite effectively increases the specific surface area, thereby facilitating rapid Li+ and electron transport. SnO 2 and ZnO nanoparticles are uniformly encapsulated within carbon nanosheets, which not only alleviates volume expansion of SnO 2 but also forms an efficient conductive network, reducing Li+ and electron diffusion resistance. Fluorine doping introduces additional electrochemically active sites, thereby enhancing charge storage capability. Consequently, the 3D porous lamellar SnO 2 -ZnO@C-F composite as anode for LIBs delivers an excellent capacity (963.6 mAh g−1 at 0.2 A g−1 after 200 cycles) and long-term cycling performance (750.2 mAh g−1 at 1.0 A g−1 after 2000 cycles). In addition, it has also outstanding rate capability, reaching a capacity of 507.3 mAh g−1 even at a high current density of 5 A g−1. These findings clearly demonstrate the great potential of the 3D porous lamellar SnO 2 -ZnO@C-F composite as an outstanding anode material for next-generation lithium-ion batteries. [Display omitted] [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.ceramint.2026.01.344
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      – Code: eng
        Text: English
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        PageCount: 12
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      – SubjectFull: Negative electrode
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      – SubjectFull: Composite materials
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      – SubjectFull: Fluorine compounds
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      – SubjectFull: Carbon-based materials
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      – TitleFull: Porous-carbon supported and fluorine-doped lamellar SnO2-ZnO composite as anode for high-rate and long-cycle lithium-ion batteries.
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            NameFull: Ma, Dandan
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            NameFull: Jiang, Chaokui
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            NameFull: Feng, Zuyong
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            NameFull: Xiong, Deping
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            NameFull: He, Miao
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              M: 04
              Text: Apr2026:Part A
              Type: published
              Y: 2026
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