Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteries
Abstract A rechargeable lithium–oxygen battery (LOB) operates via the electrochemical formation and decomposition of solid-state Li2O2 on the cathode. The rational design of the cathode nanoarchitectures is thus required to realize high-energy-density and long-cycling LOBs. Here, we propose a cathod...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2021-06-01
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| Series: | Nano Convergence |
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| Online Access: | https://doi.org/10.1186/s40580-021-00268-5 |
| _version_ | 1818644394693099520 |
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| author | Yeongsu Kim Jonghyeok Yun Hyun-Seop Shin Kyu-Nam Jung Jong-Won Lee |
| author_facet | Yeongsu Kim Jonghyeok Yun Hyun-Seop Shin Kyu-Nam Jung Jong-Won Lee |
| author_sort | Yeongsu Kim |
| collection | DOAJ |
| description | Abstract A rechargeable lithium–oxygen battery (LOB) operates via the electrochemical formation and decomposition of solid-state Li2O2 on the cathode. The rational design of the cathode nanoarchitectures is thus required to realize high-energy-density and long-cycling LOBs. Here, we propose a cathode nanoarchitecture for LOBs, which is composed of mesoporous carbon (MPC) integrated with carbon nanotubes (CNTs). The proposed design has the advantages of the two components. MPC provides sufficient active sites for the electrochemical reactions and free space for Li2O2 storage, while CNT forests serve as conductive pathways for electron and offer additional reaction sites. Results show that the synergistic architecture of MPC and CNTs leads to improvements in the capacity (~ 18,400 mAh g− 1), rate capability, and cyclability (~ 200 cycles) of the CNT-integrated MPC cathode in comparison with MPC. |
| first_indexed | 2024-12-17T00:14:09Z |
| format | Article |
| id | doaj.art-01b191cd2e7b40df94946fa30d2db407 |
| institution | Directory Open Access Journal |
| issn | 2196-5404 |
| language | English |
| last_indexed | 2024-12-17T00:14:09Z |
| publishDate | 2021-06-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nano Convergence |
| spelling | doaj.art-01b191cd2e7b40df94946fa30d2db4072022-12-21T22:10:44ZengSpringerOpenNano Convergence2196-54042021-06-01811810.1186/s40580-021-00268-5Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteriesYeongsu Kim0Jonghyeok Yun1Hyun-Seop Shin2Kyu-Nam Jung3Jong-Won Lee4Department of Materials Science and Engineering, Chosun UniversityDepartment of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST)New and Renewable Energy Institute, Korea Institute of Energy ResearchNew and Renewable Energy Institute, Korea Institute of Energy ResearchDepartment of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST)Abstract A rechargeable lithium–oxygen battery (LOB) operates via the electrochemical formation and decomposition of solid-state Li2O2 on the cathode. The rational design of the cathode nanoarchitectures is thus required to realize high-energy-density and long-cycling LOBs. Here, we propose a cathode nanoarchitecture for LOBs, which is composed of mesoporous carbon (MPC) integrated with carbon nanotubes (CNTs). The proposed design has the advantages of the two components. MPC provides sufficient active sites for the electrochemical reactions and free space for Li2O2 storage, while CNT forests serve as conductive pathways for electron and offer additional reaction sites. Results show that the synergistic architecture of MPC and CNTs leads to improvements in the capacity (~ 18,400 mAh g− 1), rate capability, and cyclability (~ 200 cycles) of the CNT-integrated MPC cathode in comparison with MPC.https://doi.org/10.1186/s40580-021-00268-5Lithium–oxygen batteryMesoporous carbonCarbon nanotubeElectrochemistry |
| spellingShingle | Yeongsu Kim Jonghyeok Yun Hyun-Seop Shin Kyu-Nam Jung Jong-Won Lee Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteries Nano Convergence Lithium–oxygen battery Mesoporous carbon Carbon nanotube Electrochemistry |
| title | Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteries |
| title_full | Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteries |
| title_fullStr | Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteries |
| title_full_unstemmed | Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteries |
| title_short | Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteries |
| title_sort | synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium oxygen batteries |
| topic | Lithium–oxygen battery Mesoporous carbon Carbon nanotube Electrochemistry |
| url | https://doi.org/10.1186/s40580-021-00268-5 |
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