Impact of Electrolyte Concentration on Surface Properties and Electrochemical Performance of Aluminum Anodes in Aluminum‐Ion Batteries
Abstract Aluminum metal is a promising material for aluminum‐ion battery (AIB) anodes due to its sustainable cycle life. However, retaining the stability of aluminum anodes remains a challenge, particularly due to complex interfacial reactions with ionic liquid electrolytes. This study examines the...
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-08-01
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| Series: | Advanced Materials Interfaces |
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| Online Access: | https://doi.org/10.1002/admi.202500289 |
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| author | Nattha Chaiyapo Yujeong Jeong Sujeera Plueksachard Pornjira Phuenhinlad Panya Thanwisai Jeffrey Nash Wanwisa Limphirat Jayaraman Theerthagiri Myong Yong Choi Nonglak Meethong |
| author_facet | Nattha Chaiyapo Yujeong Jeong Sujeera Plueksachard Pornjira Phuenhinlad Panya Thanwisai Jeffrey Nash Wanwisa Limphirat Jayaraman Theerthagiri Myong Yong Choi Nonglak Meethong |
| author_sort | Nattha Chaiyapo |
| collection | DOAJ |
| description | Abstract Aluminum metal is a promising material for aluminum‐ion battery (AIB) anodes due to its sustainable cycle life. However, retaining the stability of aluminum anodes remains a challenge, particularly due to complex interfacial reactions with ionic liquid electrolytes. This study examines the behavior of aluminum foil anodes in varying molar ratios of AlCl3:EMIC ionic liquid electrolytes. Study results reveal that the electrolytes cause damage to the native oxide layer of aluminum foils, leading to their transformation into amorphous aluminum oxide. This is confirmed using Al K‐edge X‐ray absorption spectroscopy (XAS) and X‐ray photoelectron spectroscopy (XPS). In contrast, basic electrolytes promote the deposition of an oxidized layer incorporating anions, which increases interfacial resistance with dendrite formation. These findings highlight the critical role of electrolyte composition in determining surface reactions and stability. This work provides novel insights into the interfacial mechanisms governing aluminum anodes and serves as a guideline for designing stable, non‐aqueous AIB systems. |
| format | Article |
| id | doaj-art-1245c5ae8eae4c1b83f8bfdcfaa95985 |
| institution | DOAJ |
| issn | 2196-7350 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Advanced Materials Interfaces |
| spelling | doaj-art-1245c5ae8eae4c1b83f8bfdcfaa959852025-08-20T02:55:05ZengWiley-VCHAdvanced Materials Interfaces2196-73502025-08-011215n/an/a10.1002/admi.202500289Impact of Electrolyte Concentration on Surface Properties and Electrochemical Performance of Aluminum Anodes in Aluminum‐Ion BatteriesNattha Chaiyapo0Yujeong Jeong1Sujeera Plueksachard2Pornjira Phuenhinlad3Panya Thanwisai4Jeffrey Nash5Wanwisa Limphirat6Jayaraman Theerthagiri7Myong Yong Choi8Nonglak Meethong9Department of Physics Faculty of Science Khon Kaen University Khon Kaen 40002 ThailandCore‐Facility Center for Photochemistry & Nanomaterials Department of Chemistry (BK21 FOUR) Research Institute of Natural Sciences Gyeongsang National University Jinju 52828 Republic of KoreaDepartment of Physics Faculty of Science Khon Kaen University Khon Kaen 40002 ThailandInstitute of Nanomaterials Research and Innovation for Energy (IN‐RIE) Faculty of Science Khon Kaen University Khon Kaen 40002 ThailandDepartment of Mechanical and Materials Engineering Worcester Polytechnic Institute Worcester MA 01609 USAInstitute of Nanomaterials Research and Innovation for Energy (IN‐RIE) Faculty of Science Khon Kaen University Khon Kaen 40002 ThailandSynchrotron Light Research Institute (Public Organization) Nakhon Ratchasima 30000 ThailandCore‐Facility Center for Photochemistry & Nanomaterials Department of Chemistry (BK21 FOUR) Research Institute of Natural Sciences Gyeongsang National University Jinju 52828 Republic of KoreaCore‐Facility Center for Photochemistry & Nanomaterials Department of Chemistry (BK21 FOUR) Research Institute of Natural Sciences Gyeongsang National University Jinju 52828 Republic of KoreaDepartment of Physics Faculty of Science Khon Kaen University Khon Kaen 40002 ThailandAbstract Aluminum metal is a promising material for aluminum‐ion battery (AIB) anodes due to its sustainable cycle life. However, retaining the stability of aluminum anodes remains a challenge, particularly due to complex interfacial reactions with ionic liquid electrolytes. This study examines the behavior of aluminum foil anodes in varying molar ratios of AlCl3:EMIC ionic liquid electrolytes. Study results reveal that the electrolytes cause damage to the native oxide layer of aluminum foils, leading to their transformation into amorphous aluminum oxide. This is confirmed using Al K‐edge X‐ray absorption spectroscopy (XAS) and X‐ray photoelectron spectroscopy (XPS). In contrast, basic electrolytes promote the deposition of an oxidized layer incorporating anions, which increases interfacial resistance with dendrite formation. These findings highlight the critical role of electrolyte composition in determining surface reactions and stability. This work provides novel insights into the interfacial mechanisms governing aluminum anodes and serves as a guideline for designing stable, non‐aqueous AIB systems.https://doi.org/10.1002/admi.202500289aluminum‐ion batteriesaluminum metalanode materialsionic liquid electrolytesolid electrolyte interface |
| spellingShingle | Nattha Chaiyapo Yujeong Jeong Sujeera Plueksachard Pornjira Phuenhinlad Panya Thanwisai Jeffrey Nash Wanwisa Limphirat Jayaraman Theerthagiri Myong Yong Choi Nonglak Meethong Impact of Electrolyte Concentration on Surface Properties and Electrochemical Performance of Aluminum Anodes in Aluminum‐Ion Batteries Advanced Materials Interfaces aluminum‐ion batteries aluminum metal anode materials ionic liquid electrolyte solid electrolyte interface |
| title | Impact of Electrolyte Concentration on Surface Properties and Electrochemical Performance of Aluminum Anodes in Aluminum‐Ion Batteries |
| title_full | Impact of Electrolyte Concentration on Surface Properties and Electrochemical Performance of Aluminum Anodes in Aluminum‐Ion Batteries |
| title_fullStr | Impact of Electrolyte Concentration on Surface Properties and Electrochemical Performance of Aluminum Anodes in Aluminum‐Ion Batteries |
| title_full_unstemmed | Impact of Electrolyte Concentration on Surface Properties and Electrochemical Performance of Aluminum Anodes in Aluminum‐Ion Batteries |
| title_short | Impact of Electrolyte Concentration on Surface Properties and Electrochemical Performance of Aluminum Anodes in Aluminum‐Ion Batteries |
| title_sort | impact of electrolyte concentration on surface properties and electrochemical performance of aluminum anodes in aluminum ion batteries |
| topic | aluminum‐ion batteries aluminum metal anode materials ionic liquid electrolyte solid electrolyte interface |
| url | https://doi.org/10.1002/admi.202500289 |
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