Full metadata record
DC Field | Value | Language |
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dc.contributor.author | 장광석 | - |
dc.date.accessioned | 2023-05-18T00:47:42Z | - |
dc.date.available | 2023-05-18T00:47:42Z | - |
dc.date.issued | 2021-07 | - |
dc.identifier.citation | CARBON ENERGY, v. 3, NO. 3, Page. 410.0-423.0 | - |
dc.identifier.issn | 2637-9368;2637-9368 | - |
dc.identifier.uri | https://onlinelibrary.wiley.com/doi/10.1002/cey2.116 | en_US |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/180733 | - |
dc.description.abstract | The development of sulfur cathodes with high areal capacity and high energy density is crucial for the practical application of lithium-sulfur batteries (LSBs). LSBs can be built by employing (ultra) high-loading sulfur cathodes, which have rarely been realized due to massive passivation and shuttling. Herein, microspheres of a carbon-carbon nitride composite (C@CN) with large mesopores are fabricated via molecular cooperative assembly. Using the C@CN-based electrodes, the effects of the large mesopores and N-functional groups on the electrochemical behavior of sulfur in LSB cells are thoroughly investigated under ultrahigh sulfur-loading conditions (>15 mgS cm(-2)). Furthermore, for high-energy-density LSBs, the C@CN powders are pelletized into a thick free-standing electrode (thickness: 500 mu m; diameter: 11 mm) via a simple briquette process; here, the total amount of energy stored by the LSB cells is 39 mWh, corresponding to a volumetric energy density of 440 Wh L-1 with an areal capacity of 24.9 and 17.5 mAh cm(-2) at 0.47 and 4.7 mA cm(-2), respectively (at 24 mgS cm(-2)). These results have significantly surpassed most recent records due to the synergy among the large mesopores, (poly)sulfide-philic surfaces, and thick electrodes. The developed strategy with its potential for scale-up successfully fills the gap between laboratory-scale cells and practical cells without sacrificing the high areal capacity and high energy density, providing a solid foundation for the development of practical LSBs. | - |
dc.description.sponsorship | R&D Convergence Program of NST (National Research Council of Science & Technology) of the Republic of Korea [CAP15-02-KBSI]; National Research Foundation of Korea (NRF) grant - Korean Government (MSIT) [2019R1C1C1007745]; National Research Foundation of Korea (NRF) grant - Korean Government (Ministry of Science, ICT & Future Planning) [2019R1A4A2001527] | - |
dc.language | en | - |
dc.publisher | WILEY | - |
dc.subject | briquette process | - |
dc.subject | carbon nitride | - |
dc.subject | free-standing electrode | - |
dc.subject | high energy density | - |
dc.subject | lithium-sulfur batteries | - |
dc.subject | mesopores | - |
dc.title | Thick free-standing electrode based on carbon-carbon nitride microspheres with large mesopores for high-energy-density lithium-sulfur batteries | - |
dc.type | Article | - |
dc.relation.no | 3 | - |
dc.relation.volume | 3 | - |
dc.identifier.doi | 10.1002/cey2.116 | - |
dc.relation.page | 410.0-423.0 | - |
dc.relation.journal | CARBON ENERGY | - |
dc.contributor.googleauthor | Lee, Tae-Gyu | - |
dc.contributor.googleauthor | Kim, Heejin | - |
dc.contributor.googleauthor | Park, Jae-Woo | - |
dc.contributor.googleauthor | Hwang, Hyun Jin | - |
dc.contributor.googleauthor | Hwang, Hyeonseok | - |
dc.contributor.googleauthor | Jang, Kwang-Suk | - |
dc.contributor.googleauthor | Kim, Hae Jin | - |
dc.contributor.googleauthor | Huh, Yun Suk | - |
dc.contributor.googleauthor | Kang, Hui-Ju | - |
dc.contributor.googleauthor | Im, Won Bin | - |
dc.contributor.googleauthor | Jun, Young-Si | - |
dc.sector.campus | E | - |
dc.sector.daehak | 과학기술융합대학 | - |
dc.sector.department | 화학분자공학과 | - |
dc.identifier.pid | kjang | - |
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