Double interface regulation: Toward highly stable lithium metal anode with high utilization
Abstract The undesirable Li dendrite growth and other knock‐on issues have significantly plagued the application of Li metal anodes (LMAs). Herein, we report that the synergistic regulation of double interfaces adjacent to the metallic Li anode can effectively prevent the dendritic Li growth, signif...
| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2022-07-01
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| Series: | InfoMat |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/inf2.12293 |
| _version_ | 1811224581623513088 |
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| author | Guanyao Wang Ming Zhu Ying Zhang Chan Song Xiaolong Zhu Zhongyi Huang Yuanjun Zhang Fangfang Yu Gang Xu Minghong Wu Hua‐Kun Liu Shi‐Xue Dou Chao Wu |
| author_facet | Guanyao Wang Ming Zhu Ying Zhang Chan Song Xiaolong Zhu Zhongyi Huang Yuanjun Zhang Fangfang Yu Gang Xu Minghong Wu Hua‐Kun Liu Shi‐Xue Dou Chao Wu |
| author_sort | Guanyao Wang |
| collection | DOAJ |
| description | Abstract The undesirable Li dendrite growth and other knock‐on issues have significantly plagued the application of Li metal anodes (LMAs). Herein, we report that the synergistic regulation of double interfaces adjacent to the metallic Li anode can effectively prevent the dendritic Li growth, significantly improving the cycling performance of LMAs under harsh conditions including high current density and high depth of discharge. Thorough comparison of electrolytes demonstrated that 1 M lithium bis(fluorosulfonyl)imide (LiFSI) in 1,2‐dimethoxyethane (DME) can yield a robust and lithiophobic LiF‐rich upper interface (solid electrolyte interphase). Besides, the Sb‐based buffer layer forms a lithiophilic lower interface on current collector. The synergy of the upper and lower interfacial engineering plays an important role for outstanding cyclability of LMAs. Consequently, the plating/stripping of Li can be stably repeated for 835 and 329 cycles with an average Coulombic efficiency (CE) above 99% at 1 and 3 mA h cm−2, respectively. Surprisingly, the Li||Li symmetric cell can even withstand the baptism of current density up to 20 mA cm−2. The excellent performance validates that the facile synergistic regulating of interfaces adjacent to the metallic Li anode provides an effective pathway to stabilize LMAs. |
| first_indexed | 2024-04-12T08:51:27Z |
| format | Article |
| id | doaj.art-38bb327d23844d728435251cd8f8296f |
| institution | Directory Open Access Journal |
| issn | 2567-3165 |
| language | English |
| last_indexed | 2024-04-12T08:51:27Z |
| publishDate | 2022-07-01 |
| publisher | Wiley |
| record_format | Article |
| series | InfoMat |
| spelling | doaj.art-38bb327d23844d728435251cd8f8296f2022-12-22T03:39:33ZengWileyInfoMat2567-31652022-07-0147n/an/a10.1002/inf2.12293Double interface regulation: Toward highly stable lithium metal anode with high utilizationGuanyao Wang0Ming Zhu1Ying Zhang2Chan Song3Xiaolong Zhu4Zhongyi Huang5Yuanjun Zhang6Fangfang Yu7Gang Xu8Minghong Wu9Hua‐Kun Liu10Shi‐Xue Dou11Chao Wu12School of Environmental and Chemical Engineering Shanghai University Shanghai ChinaInstitute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong Wollongong New South Wales AustraliaSchool of Environmental and Chemical Engineering Shanghai University Shanghai ChinaSchool of Chemistry and Molecular Engineering Nanjing Tech University Nanjing Jiangsu ChinaSchool of Environmental and Chemical Engineering Shanghai University Shanghai ChinaSchool of Environmental and Chemical Engineering Shanghai University Shanghai ChinaSchool of Environmental and Chemical Engineering Shanghai University Shanghai ChinaInstitute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong Wollongong New South Wales AustraliaKey Laboratory of Organic Compound Pollution Control Engineering (MOE) Shanghai University Shanghai ChinaKey Laboratory of Organic Compound Pollution Control Engineering (MOE) Shanghai University Shanghai ChinaInstitute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong Wollongong New South Wales AustraliaInstitute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong Wollongong New South Wales AustraliaSchool of Environmental and Chemical Engineering Shanghai University Shanghai ChinaAbstract The undesirable Li dendrite growth and other knock‐on issues have significantly plagued the application of Li metal anodes (LMAs). Herein, we report that the synergistic regulation of double interfaces adjacent to the metallic Li anode can effectively prevent the dendritic Li growth, significantly improving the cycling performance of LMAs under harsh conditions including high current density and high depth of discharge. Thorough comparison of electrolytes demonstrated that 1 M lithium bis(fluorosulfonyl)imide (LiFSI) in 1,2‐dimethoxyethane (DME) can yield a robust and lithiophobic LiF‐rich upper interface (solid electrolyte interphase). Besides, the Sb‐based buffer layer forms a lithiophilic lower interface on current collector. The synergy of the upper and lower interfacial engineering plays an important role for outstanding cyclability of LMAs. Consequently, the plating/stripping of Li can be stably repeated for 835 and 329 cycles with an average Coulombic efficiency (CE) above 99% at 1 and 3 mA h cm−2, respectively. Surprisingly, the Li||Li symmetric cell can even withstand the baptism of current density up to 20 mA cm−2. The excellent performance validates that the facile synergistic regulating of interfaces adjacent to the metallic Li anode provides an effective pathway to stabilize LMAs.https://doi.org/10.1002/inf2.12293dendrite suppressionelectrolyteslithium metal anodesnucleation buffer layersolid electrolyte interphase |
| spellingShingle | Guanyao Wang Ming Zhu Ying Zhang Chan Song Xiaolong Zhu Zhongyi Huang Yuanjun Zhang Fangfang Yu Gang Xu Minghong Wu Hua‐Kun Liu Shi‐Xue Dou Chao Wu Double interface regulation: Toward highly stable lithium metal anode with high utilization InfoMat dendrite suppression electrolytes lithium metal anodes nucleation buffer layer solid electrolyte interphase |
| title | Double interface regulation: Toward highly stable lithium metal anode with high utilization |
| title_full | Double interface regulation: Toward highly stable lithium metal anode with high utilization |
| title_fullStr | Double interface regulation: Toward highly stable lithium metal anode with high utilization |
| title_full_unstemmed | Double interface regulation: Toward highly stable lithium metal anode with high utilization |
| title_short | Double interface regulation: Toward highly stable lithium metal anode with high utilization |
| title_sort | double interface regulation toward highly stable lithium metal anode with high utilization |
| topic | dendrite suppression electrolytes lithium metal anodes nucleation buffer layer solid electrolyte interphase |
| url | https://doi.org/10.1002/inf2.12293 |
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