Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur Batteries
One of the critical issues hindering the commercialization of lithium–sulfur (Li–S) batteries is the dissolution and migration of soluble polysulfides in electrolyte, which is called the ‘shuttle effect’. To address this issue, previous studies have focused on separators featuring specific chemical...
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| Format: | Article |
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MDPI AG
2021-10-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/11/10/2689 |
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| author | UnJin Ryu Won Ho Choi Panpan Dong Jeeyoung Shin Min-Kyu Song Kyung Min Choi |
| author_facet | UnJin Ryu Won Ho Choi Panpan Dong Jeeyoung Shin Min-Kyu Song Kyung Min Choi |
| author_sort | UnJin Ryu |
| collection | DOAJ |
| description | One of the critical issues hindering the commercialization of lithium–sulfur (Li–S) batteries is the dissolution and migration of soluble polysulfides in electrolyte, which is called the ‘shuttle effect’. To address this issue, previous studies have focused on separators featuring specific chemical affinities or physical confinement by porous coating materials. However, there have been no studies on the complex effects of the simultaneous presence of the internal and interparticle spaces of porous materials in Li–S batteries. In this report, the stable Zr-based metal–organic frameworks (MOFs), UiO-66, have been used as a separator coating material to provide interparticle space via size-controlled MOF particles and thermodynamic internal space via amine functionality. The abundant interparticle space promoted mass transport, resulting in enhanced cycling performance. However, when amine functionalized UiO-66 was employed as the separator coating material, the initial specific capacity and capacity retention of Li–S batteries were superior to those materials based on the interparticle effect. Therefore, it is concluded that the thermodynamic interaction inside internal space is more important for preventing polysulfide migration than spatial condensation of the interparticle space. |
| first_indexed | 2024-03-10T06:19:36Z |
| format | Article |
| id | doaj.art-db901fda66fd4b02a1033beae4bb0ec6 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-10T06:19:36Z |
| publishDate | 2021-10-01 |
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| series | Nanomaterials |
| spelling | doaj.art-db901fda66fd4b02a1033beae4bb0ec62023-11-22T19:25:08ZengMDPI AGNanomaterials2079-49912021-10-011110268910.3390/nano11102689Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur BatteriesUnJin Ryu0Won Ho Choi1Panpan Dong2Jeeyoung Shin3Min-Kyu Song4Kyung Min Choi5Industry Collaboration Center, Sookmyung Women’s University, Cheongpa-ro 47-gil 100, Yongsan-gu, Seoul 04310, KoreaInstitute of Advanced Materials and Systems, Sookmyung Women’s University, Cheongpa-ro 47-gil 100, Yongsan-gu, Seoul 04310, KoreaSchool of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USAInstitute of Advanced Materials and Systems, Sookmyung Women’s University, Cheongpa-ro 47-gil 100, Yongsan-gu, Seoul 04310, KoreaSchool of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USAIndustry Collaboration Center, Sookmyung Women’s University, Cheongpa-ro 47-gil 100, Yongsan-gu, Seoul 04310, KoreaOne of the critical issues hindering the commercialization of lithium–sulfur (Li–S) batteries is the dissolution and migration of soluble polysulfides in electrolyte, which is called the ‘shuttle effect’. To address this issue, previous studies have focused on separators featuring specific chemical affinities or physical confinement by porous coating materials. However, there have been no studies on the complex effects of the simultaneous presence of the internal and interparticle spaces of porous materials in Li–S batteries. In this report, the stable Zr-based metal–organic frameworks (MOFs), UiO-66, have been used as a separator coating material to provide interparticle space via size-controlled MOF particles and thermodynamic internal space via amine functionality. The abundant interparticle space promoted mass transport, resulting in enhanced cycling performance. However, when amine functionalized UiO-66 was employed as the separator coating material, the initial specific capacity and capacity retention of Li–S batteries were superior to those materials based on the interparticle effect. Therefore, it is concluded that the thermodynamic interaction inside internal space is more important for preventing polysulfide migration than spatial condensation of the interparticle space.https://www.mdpi.com/2079-4991/11/10/2689lithium–sulfur batterymetal–organic frameworksseparator coatinginternal spaceinterparticle space |
| spellingShingle | UnJin Ryu Won Ho Choi Panpan Dong Jeeyoung Shin Min-Kyu Song Kyung Min Choi Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur Batteries Nanomaterials lithium–sulfur battery metal–organic frameworks separator coating internal space interparticle space |
| title | Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur Batteries |
| title_full | Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur Batteries |
| title_fullStr | Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur Batteries |
| title_full_unstemmed | Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur Batteries |
| title_short | Comparing Internal and Interparticle Space Effects of Metal–Organic Frameworks on Polysulfide Migration in Lithium–Sulfur Batteries |
| title_sort | comparing internal and interparticle space effects of metal organic frameworks on polysulfide migration in lithium sulfur batteries |
| topic | lithium–sulfur battery metal–organic frameworks separator coating internal space interparticle space |
| url | https://www.mdpi.com/2079-4991/11/10/2689 |
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