Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O<sub<2</sub< Battery Cathode
In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer depositio...
Ausführliche Beschreibung
Autor*in: |
Ji Hyeon Lee [verfasserIn] Hyun Wook Jung [verfasserIn] In Soo Kim [verfasserIn] Min Park [verfasserIn] Hyung-Seok Kim [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Übergeordnetes Werk: |
In: Energies - MDPI AG, 2008, 14(2021), 14, p 4196 |
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Übergeordnetes Werk: |
volume:14 ; year:2021 ; number:14, p 4196 |
Links: |
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DOI / URN: |
10.3390/en14144196 |
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Katalog-ID: |
DOAJ084695498 |
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10.3390/en14144196 doi (DE-627)DOAJ084695498 (DE-599)DOAJ0d23878f4724433b8c9111faefa40b3f DE-627 ger DE-627 rakwb eng Ji Hyeon Lee verfasserin aut Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O<sub<2</sub< Battery Cathode 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H<sub<2</sub<SO<sub<4</sub<:HNO<sub<3</sub< = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnOCNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li<sub<2</sub<O<sub<2</sub<, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O<sub<2</sub< batteries. Li–O<sub<2</sub< battery air cathode CNT oxygen functional groups titration Technology T Hyun Wook Jung verfasserin aut In Soo Kim verfasserin aut Min Park verfasserin aut Hyung-Seok Kim verfasserin aut In Energies MDPI AG, 2008 14(2021), 14, p 4196 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:14 year:2021 number:14, p 4196 https://doi.org/10.3390/en14144196 kostenfrei https://doaj.org/article/0d23878f4724433b8c9111faefa40b3f kostenfrei https://www.mdpi.com/1996-1073/14/14/4196 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2021 14, p 4196 |
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10.3390/en14144196 doi (DE-627)DOAJ084695498 (DE-599)DOAJ0d23878f4724433b8c9111faefa40b3f DE-627 ger DE-627 rakwb eng Ji Hyeon Lee verfasserin aut Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O<sub<2</sub< Battery Cathode 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H<sub<2</sub<SO<sub<4</sub<:HNO<sub<3</sub< = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnOCNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li<sub<2</sub<O<sub<2</sub<, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O<sub<2</sub< batteries. Li–O<sub<2</sub< battery air cathode CNT oxygen functional groups titration Technology T Hyun Wook Jung verfasserin aut In Soo Kim verfasserin aut Min Park verfasserin aut Hyung-Seok Kim verfasserin aut In Energies MDPI AG, 2008 14(2021), 14, p 4196 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:14 year:2021 number:14, p 4196 https://doi.org/10.3390/en14144196 kostenfrei https://doaj.org/article/0d23878f4724433b8c9111faefa40b3f kostenfrei https://www.mdpi.com/1996-1073/14/14/4196 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2021 14, p 4196 |
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10.3390/en14144196 doi (DE-627)DOAJ084695498 (DE-599)DOAJ0d23878f4724433b8c9111faefa40b3f DE-627 ger DE-627 rakwb eng Ji Hyeon Lee verfasserin aut Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O<sub<2</sub< Battery Cathode 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H<sub<2</sub<SO<sub<4</sub<:HNO<sub<3</sub< = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnOCNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li<sub<2</sub<O<sub<2</sub<, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O<sub<2</sub< batteries. Li–O<sub<2</sub< battery air cathode CNT oxygen functional groups titration Technology T Hyun Wook Jung verfasserin aut In Soo Kim verfasserin aut Min Park verfasserin aut Hyung-Seok Kim verfasserin aut In Energies MDPI AG, 2008 14(2021), 14, p 4196 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:14 year:2021 number:14, p 4196 https://doi.org/10.3390/en14144196 kostenfrei https://doaj.org/article/0d23878f4724433b8c9111faefa40b3f kostenfrei https://www.mdpi.com/1996-1073/14/14/4196 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2021 14, p 4196 |
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10.3390/en14144196 doi (DE-627)DOAJ084695498 (DE-599)DOAJ0d23878f4724433b8c9111faefa40b3f DE-627 ger DE-627 rakwb eng Ji Hyeon Lee verfasserin aut Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O<sub<2</sub< Battery Cathode 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H<sub<2</sub<SO<sub<4</sub<:HNO<sub<3</sub< = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnOCNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li<sub<2</sub<O<sub<2</sub<, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O<sub<2</sub< batteries. Li–O<sub<2</sub< battery air cathode CNT oxygen functional groups titration Technology T Hyun Wook Jung verfasserin aut In Soo Kim verfasserin aut Min Park verfasserin aut Hyung-Seok Kim verfasserin aut In Energies MDPI AG, 2008 14(2021), 14, p 4196 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:14 year:2021 number:14, p 4196 https://doi.org/10.3390/en14144196 kostenfrei https://doaj.org/article/0d23878f4724433b8c9111faefa40b3f kostenfrei https://www.mdpi.com/1996-1073/14/14/4196 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2021 14, p 4196 |
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10.3390/en14144196 doi (DE-627)DOAJ084695498 (DE-599)DOAJ0d23878f4724433b8c9111faefa40b3f DE-627 ger DE-627 rakwb eng Ji Hyeon Lee verfasserin aut Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O<sub<2</sub< Battery Cathode 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H<sub<2</sub<SO<sub<4</sub<:HNO<sub<3</sub< = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnOCNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li<sub<2</sub<O<sub<2</sub<, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O<sub<2</sub< batteries. Li–O<sub<2</sub< battery air cathode CNT oxygen functional groups titration Technology T Hyun Wook Jung verfasserin aut In Soo Kim verfasserin aut Min Park verfasserin aut Hyung-Seok Kim verfasserin aut In Energies MDPI AG, 2008 14(2021), 14, p 4196 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:14 year:2021 number:14, p 4196 https://doi.org/10.3390/en14144196 kostenfrei https://doaj.org/article/0d23878f4724433b8c9111faefa40b3f kostenfrei https://www.mdpi.com/1996-1073/14/14/4196 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2021 14, p 4196 |
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Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O<sub<2</sub< Battery Cathode |
abstract |
In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H<sub<2</sub<SO<sub<4</sub<:HNO<sub<3</sub< = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnOCNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li<sub<2</sub<O<sub<2</sub<, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O<sub<2</sub< batteries. |
abstractGer |
In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H<sub<2</sub<SO<sub<4</sub<:HNO<sub<3</sub< = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnOCNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li<sub<2</sub<O<sub<2</sub<, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O<sub<2</sub< batteries. |
abstract_unstemmed |
In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O<sub<2</sub<) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O<sub<2</sub< battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H<sub<2</sub<SO<sub<4</sub<:HNO<sub<3</sub< = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnOCNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li<sub<2</sub<O<sub<2</sub<, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O<sub<2</sub< batteries. |
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