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Enabling high and durable lithium storage of Si anode through surface N-doped carbon coating and interface chemical bonding.

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Title: Enabling high and durable lithium storage of Si anode through surface N-doped carbon coating and interface chemical bonding.
Authors: Hu, Jinlong1 (AUTHOR), Li, Runxin1 (AUTHOR), Li, Chao2 (AUTHOR), Wu, Shuisheng1 (AUTHOR), Lan, Donghui1 (AUTHOR) donghuilan@hnu.edu.cn, Yi, Bing1 (AUTHOR), Tian, Qinghua1,2 (AUTHOR) 09tqinghua@163.com, Yi, Ziqi1,3 (AUTHOR) 34240003@sues.edu.cn
Source: Journal of Alloys & Compounds. Oct2025, Vol. 1042, pN.PAG-N.PAG. 1p.
Subjects: Lithium-ion batteries, Anodes, Electrochemical analysis, Carbon films, Durability, Solid-solid interfaces, Stability (Mechanics)
Abstract: Si is regarded as a promising anode material for lithium-ion batteries (LIBs). However, it usually suffers from poor conductivity, big volume fluctuation and unstable solid electrolyte interface (SEI), and hence its practical use in LIBs is limited severely. Herein, this work demonstrates an original design for simultaneous construction of the ultrathin melamine-derived N-doped carbon (NC) coating on the surface of irregular Si nanoparticles (Si NPs) and the chemical bonding (Si-C and Si-N bonds) at the interface between Si NPs and NC through a facile ball milling and subsequent calcination process, which endow this Si/C composite (BM-Si NPs@NC) with improved kinetics, robust structural stability and a LiF-rich SEI layer. Consequently, BM-Si NPs@NC shows superb electrochemical performance in terms of high capacity and ultralong lifespan, with 1008.2 and 836.0 mAh g−1 at 400 and 1000 mA g−1 after 640 and 1260 cycles, respectively. Finally, these findings can offer valuable references for developing advanced Si/C anodes of LIBs through simple and feasible routes. [Display omitted] • Surface N-doped carbon coating and interface chemical bonding were introduced to Si anode. • The as-fabricated Si/C anode had improved electrochemical kinetics and structural stability. • The as-obtained Si/C anode demonstrated excellent lithium storage, such as high capacity and long life. • The findings offered valuable references for developing advanced low-cost Si/C anode. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Alloys & Compounds 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: 188597857
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Enabling high and durable lithium storage of Si anode through surface N-doped carbon coating and interface chemical bonding.
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  Data: <searchLink fieldCode="AR" term="%22Hu%2C+Jinlong%22">Hu, Jinlong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Runxin%22">Li, Runxin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Chao%22">Li, Chao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Shuisheng%22">Wu, Shuisheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lan%2C+Donghui%22">Lan, Donghui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> donghuilan@hnu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yi%2C+Bing%22">Yi, Bing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tian%2C+Qinghua%22">Tian, Qinghua</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> 09tqinghua@163.com</i><br /><searchLink fieldCode="AR" term="%22Yi%2C+Ziqi%22">Yi, Ziqi</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> 34240003@sues.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Alloys+%26+Compounds%22">Journal of Alloys & Compounds</searchLink>. Oct2025, Vol. 1042, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Anodes%22">Anodes</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemical+analysis%22">Electrochemical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+films%22">Carbon films</searchLink><br /><searchLink fieldCode="DE" term="%22Durability%22">Durability</searchLink><br /><searchLink fieldCode="DE" term="%22Solid-solid+interfaces%22">Solid-solid interfaces</searchLink><br /><searchLink fieldCode="DE" term="%22Stability+%28Mechanics%29%22">Stability (Mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Si is regarded as a promising anode material for lithium-ion batteries (LIBs). However, it usually suffers from poor conductivity, big volume fluctuation and unstable solid electrolyte interface (SEI), and hence its practical use in LIBs is limited severely. Herein, this work demonstrates an original design for simultaneous construction of the ultrathin melamine-derived N-doped carbon (NC) coating on the surface of irregular Si nanoparticles (Si NPs) and the chemical bonding (Si-C and Si-N bonds) at the interface between Si NPs and NC through a facile ball milling and subsequent calcination process, which endow this Si/C composite (BM-Si NPs@NC) with improved kinetics, robust structural stability and a LiF-rich SEI layer. Consequently, BM-Si NPs@NC shows superb electrochemical performance in terms of high capacity and ultralong lifespan, with 1008.2 and 836.0 mAh g−1 at 400 and 1000 mA g−1 after 640 and 1260 cycles, respectively. Finally, these findings can offer valuable references for developing advanced Si/C anodes of LIBs through simple and feasible routes. [Display omitted] • Surface N-doped carbon coating and interface chemical bonding were introduced to Si anode. • The as-fabricated Si/C anode had improved electrochemical kinetics and structural stability. • The as-obtained Si/C anode demonstrated excellent lithium storage, such as high capacity and long life. • The findings offered valuable references for developing advanced low-cost Si/C anode. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Alloys & Compounds 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jallcom.2025.184000
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Lithium-ion batteries
        Type: general
      – SubjectFull: Anodes
        Type: general
      – SubjectFull: Electrochemical analysis
        Type: general
      – SubjectFull: Carbon films
        Type: general
      – SubjectFull: Durability
        Type: general
      – SubjectFull: Solid-solid interfaces
        Type: general
      – SubjectFull: Stability (Mechanics)
        Type: general
    Titles:
      – TitleFull: Enabling high and durable lithium storage of Si anode through surface N-doped carbon coating and interface chemical bonding.
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          Name:
            NameFull: Hu, Jinlong
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            NameFull: Li, Runxin
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            NameFull: Li, Chao
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            NameFull: Wu, Shuisheng
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            NameFull: Lan, Donghui
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            NameFull: Yi, Bing
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            NameFull: Yi, Ziqi
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            – D: 15
              M: 10
              Text: Oct2025
              Type: published
              Y: 2025
          Identifiers:
            – Type: issn-print
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              Value: 1042
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            – TitleFull: Journal of Alloys & Compounds
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