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Hierarchical Lithiophilic Structure Based on Liquid Metal Nanodroplet Enables High Coulombic Efficiency in Anode Free Lithium Metal Batteries.

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Title: Hierarchical Lithiophilic Structure Based on Liquid Metal Nanodroplet Enables High Coulombic Efficiency in Anode Free Lithium Metal Batteries.
Authors: Wang, Kaizhao1 (AUTHOR), Xiao, Fangfang1 (AUTHOR), Li, Junkai1 (AUTHOR), Wang, Haoran1 (AUTHOR), Wang, Yafei1 (AUTHOR), Wang, Jian1 (AUTHOR), Wang, Kaijun1 (AUTHOR), Sun, Zhaowei1 (AUTHOR), Yang, Shengan1 (AUTHOR), Wang, Xinyue1 (AUTHOR) xwang@kust.edu.cn, Hu, Jin1 (AUTHOR) hujin@kmust.edu.cn, Xiong, Shizhao1 (AUTHOR) shizhao.xiong@kust.edu.cn
Source: Advanced Energy Materials. 7/8/2026, Vol. 16 Issue 26, p1-14. 14p.
Subject Terms: *Lithium, *Electrode efficiency, *Gallium alloys, *Metal nanoparticles, *Lithium cells, *Energy storage, *Lithium-ion batteries
Abstract: Anode‐free lithium metal batteries offer a practical route to achieve ultra‐high energy density, yet their implementation is hindered by poor cycling stability and coulombic efficiency resulting from lithiophobic interfaces and nonuniform lithium deposition. To address these challenges, we design a lithium host material by incorporating gallium‐based liquid metal nanodroplets into a 3D porous carbon framework (CF@GaInSn@C). This architecture effectively accommodates electrode volume changes and enables highly stable lithium plating/stripping behavior. The liquid metal nanodroplets function as an atomic composite core, providing abundant lithiophilic sites with low diffusion barriers that promote uniform lithium nucleation and lateral mass transport. This mechanism facilitates dense and homogeneous lithium deposition across the internal pores of the CF@GaInSn@C host. As a result, it demonstrates exceptional reversibility in half cells with a lithium electrode, maintaining a coulombic efficiency of 99.83% over 1500 cycles at 2 mA cm−2 and 2 mAh cm−2. Furthermore, anode‐free full cells coupled with LiNi0.8Co0.1Mn0.1O2 cathodes deliver an average coulombic efficiency of 99.48% after 100 cycles at 0.5 C. This work demonstrates a promising structural design strategy based on liquid metal nanodroplets for regulating lithium deposition, highlighting their significant potential for application in high‐performance anode‐free lithium batteries. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 195289485
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Hierarchical Lithiophilic Structure Based on Liquid Metal Nanodroplet Enables High Coulombic Efficiency in Anode Free Lithium Metal Batteries.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Kaizhao%22">Wang, Kaizhao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xiao%2C+Fangfang%22">Xiao, Fangfang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Junkai%22">Li, Junkai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Haoran%22">Wang, Haoran</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Yafei%22">Wang, Yafei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jian%22">Wang, Jian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Kaijun%22">Wang, Kaijun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Zhaowei%22">Sun, Zhaowei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Shengan%22">Yang, Shengan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Xinyue%22">Wang, Xinyue</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xwang@kust.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Hu%2C+Jin%22">Hu, Jin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hujin@kmust.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xiong%2C+Shizhao%22">Xiong, Shizhao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> shizhao.xiong@kust.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Advanced+Energy+Materials%22">Advanced Energy Materials</searchLink>. 7/8/2026, Vol. 16 Issue 26, p1-14. 14p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Lithium%22">Lithium</searchLink><br />*<searchLink fieldCode="DE" term="%22Electrode+efficiency%22">Electrode efficiency</searchLink><br />*<searchLink fieldCode="DE" term="%22Gallium+alloys%22">Gallium alloys</searchLink><br />*<searchLink fieldCode="DE" term="%22Metal+nanoparticles%22">Metal nanoparticles</searchLink><br />*<searchLink fieldCode="DE" term="%22Lithium+cells%22">Lithium cells</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink><br />*<searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Anode‐free lithium metal batteries offer a practical route to achieve ultra‐high energy density, yet their implementation is hindered by poor cycling stability and coulombic efficiency resulting from lithiophobic interfaces and nonuniform lithium deposition. To address these challenges, we design a lithium host material by incorporating gallium‐based liquid metal nanodroplets into a 3D porous carbon framework (CF@GaInSn@C). This architecture effectively accommodates electrode volume changes and enables highly stable lithium plating/stripping behavior. The liquid metal nanodroplets function as an atomic composite core, providing abundant lithiophilic sites with low diffusion barriers that promote uniform lithium nucleation and lateral mass transport. This mechanism facilitates dense and homogeneous lithium deposition across the internal pores of the CF@GaInSn@C host. As a result, it demonstrates exceptional reversibility in half cells with a lithium electrode, maintaining a coulombic efficiency of 99.83% over 1500 cycles at 2 mA cm−2 and 2 mAh cm−2. Furthermore, anode‐free full cells coupled with LiNi0.8Co0.1Mn0.1O2 cathodes deliver an average coulombic efficiency of 99.48% after 100 cycles at 0.5 C. This work demonstrates a promising structural design strategy based on liquid metal nanodroplets for regulating lithium deposition, highlighting their significant potential for application in high‐performance anode‐free lithium batteries. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=195289485
RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1002/aenm.70964
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Lithium
        Type: general
      – SubjectFull: Electrode efficiency
        Type: general
      – SubjectFull: Gallium alloys
        Type: general
      – SubjectFull: Metal nanoparticles
        Type: general
      – SubjectFull: Lithium cells
        Type: general
      – SubjectFull: Energy storage
        Type: general
      – SubjectFull: Lithium-ion batteries
        Type: general
    Titles:
      – TitleFull: Hierarchical Lithiophilic Structure Based on Liquid Metal Nanodroplet Enables High Coulombic Efficiency in Anode Free Lithium Metal Batteries.
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            NameFull: Wang, Kaizhao
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            – D: 08
              M: 07
              Text: 7/8/2026
              Type: published
              Y: 2026
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            – TitleFull: Advanced Energy Materials
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