Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries
High-voltage spinel LiNi0.5Mn1.5O4 (LNMO) is a promising cathode material for next-generation lithium-ion batteries (LIBs), but its poor cycle performance has impeded its commercialization. In this study, we developed highly stable LNMO cathode materials having an octahedral morphology through a sol...
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| Format: | Article |
| Language: | English English |
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ACS Publications
2022
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| Online Access: | http://umpir.ump.edu.my/id/eprint/38067/1/2022--p16--ACS-SCE-Effect%20of%20Single-Walled%20Carbon%20Nanotube%20Sub-carbon%20Additives%20and%20GO%20for%205V%20LNMO.pdf http://umpir.ump.edu.my/id/eprint/38067/7/Effect%20of%20single-walled%20carbon%20nanotube%20sub-carbon%20additives%20and%20graphene%20oxide%20.pdf |
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| author | Tsai, Yi-De Shih, Jeng-Ywan Li, Ying-Jeng James Hung, Tai-Feng Hsu, Li-Fan Ramraj, Sayee Kannan Rajan, Jose Karuppiah, Chelladurai Yang, Chun-Chen |
| author_facet | Tsai, Yi-De Shih, Jeng-Ywan Li, Ying-Jeng James Hung, Tai-Feng Hsu, Li-Fan Ramraj, Sayee Kannan Rajan, Jose Karuppiah, Chelladurai Yang, Chun-Chen |
| author_sort | Tsai, Yi-De |
| collection | UMP |
| description | High-voltage spinel LiNi0.5Mn1.5O4 (LNMO) is a promising cathode material for next-generation lithium-ion batteries (LIBs), but its poor cycle performance has impeded its commercialization. In this study, we developed highly stable LNMO cathode materials having an octahedral morphology through a solid-state high-energy ball-mill–cum–spray-drying method. We also developed a novel strategy for modifying this cathode material with two kinds of carbon materials, thereby improving the electrochemical cycling performance. Introducing single-walled carbon nanotubes (SWCNTs) as a sub-carbon conductive additive during the slurry preparation process improved the conductivity of electrons between the particles of the cathode material. The LNMO electrode modified with the SWCNT sub-carbon additives exhibited an average Coulombic efficiency of 99.4% after 500 cycles at 1C, compared with 98.9% for the pristine LNMO-based electrode. Furthermore, we used a wet-chemical method to coat graphene oxide (GO) onto the post-sintered LNMO cathode material to act as a protective layer, preventing corrosion induced by HF in the electrolyte. The capacity retention of the GO-coated LNMO electrode after 500 cycles at 1C (91.8%) was higher than that of the pristine LNMO (52.5%). The corresponding dual-modification strategy, combining the SWCNTs and GO, provided LNMO cathode materials exhibiting superior rate performance and cyclability, with an average Coulombic efficiency of 99.3% and capacity retention of 92.9% after 500 cycles at 1C. Thus, the LNMO cathode materials prepared in this study possessed excellent electrochemical properties favoring their marketability, applicability, and competitiveness for application in high-voltage LIBs. |
| first_indexed | 2024-03-06T13:07:35Z |
| format | Article |
| id | UMPir38067 |
| institution | Universiti Malaysia Pahang |
| language | English English |
| last_indexed | 2024-03-06T13:07:35Z |
| publishDate | 2022 |
| publisher | ACS Publications |
| record_format | dspace |
| spelling | UMPir380672023-08-07T07:26:52Z http://umpir.ump.edu.my/id/eprint/38067/ Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries Tsai, Yi-De Shih, Jeng-Ywan Li, Ying-Jeng James Hung, Tai-Feng Hsu, Li-Fan Ramraj, Sayee Kannan Rajan, Jose Karuppiah, Chelladurai Yang, Chun-Chen QC Physics QD Chemistry TK Electrical engineering. Electronics Nuclear engineering High-voltage spinel LiNi0.5Mn1.5O4 (LNMO) is a promising cathode material for next-generation lithium-ion batteries (LIBs), but its poor cycle performance has impeded its commercialization. In this study, we developed highly stable LNMO cathode materials having an octahedral morphology through a solid-state high-energy ball-mill–cum–spray-drying method. We also developed a novel strategy for modifying this cathode material with two kinds of carbon materials, thereby improving the electrochemical cycling performance. Introducing single-walled carbon nanotubes (SWCNTs) as a sub-carbon conductive additive during the slurry preparation process improved the conductivity of electrons between the particles of the cathode material. The LNMO electrode modified with the SWCNT sub-carbon additives exhibited an average Coulombic efficiency of 99.4% after 500 cycles at 1C, compared with 98.9% for the pristine LNMO-based electrode. Furthermore, we used a wet-chemical method to coat graphene oxide (GO) onto the post-sintered LNMO cathode material to act as a protective layer, preventing corrosion induced by HF in the electrolyte. The capacity retention of the GO-coated LNMO electrode after 500 cycles at 1C (91.8%) was higher than that of the pristine LNMO (52.5%). The corresponding dual-modification strategy, combining the SWCNTs and GO, provided LNMO cathode materials exhibiting superior rate performance and cyclability, with an average Coulombic efficiency of 99.3% and capacity retention of 92.9% after 500 cycles at 1C. Thus, the LNMO cathode materials prepared in this study possessed excellent electrochemical properties favoring their marketability, applicability, and competitiveness for application in high-voltage LIBs. ACS Publications 2022-12-02 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/38067/1/2022--p16--ACS-SCE-Effect%20of%20Single-Walled%20Carbon%20Nanotube%20Sub-carbon%20Additives%20and%20GO%20for%205V%20LNMO.pdf pdf en http://umpir.ump.edu.my/id/eprint/38067/7/Effect%20of%20single-walled%20carbon%20nanotube%20sub-carbon%20additives%20and%20graphene%20oxide%20.pdf Tsai, Yi-De and Shih, Jeng-Ywan and Li, Ying-Jeng James and Hung, Tai-Feng and Hsu, Li-Fan and Ramraj, Sayee Kannan and Rajan, Jose and Karuppiah, Chelladurai and Yang, Chun-Chen and UNSPECIFIED (2022) Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries. ACS Sustainable Chemistry & Engineering, 10 (50). pp. 16709-16724. ISSN 2168-0485. (Published) https://doi.org/10.1021/acssuschemeng.2c04808 https://doi.org/10.1021/acssuschemeng.2c04808 |
| spellingShingle | QC Physics QD Chemistry TK Electrical engineering. Electronics Nuclear engineering Tsai, Yi-De Shih, Jeng-Ywan Li, Ying-Jeng James Hung, Tai-Feng Hsu, Li-Fan Ramraj, Sayee Kannan Rajan, Jose Karuppiah, Chelladurai Yang, Chun-Chen Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries |
| title | Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries |
| title_full | Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries |
| title_fullStr | Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries |
| title_full_unstemmed | Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries |
| title_short | Effect of single-walled carbon nanotube sub-carbon additives and graphene oxide coating for enhancing the 5 V LiNi0.5Mn1.5O4 cathode material performance in lithium-ion batteries |
| title_sort | effect of single walled carbon nanotube sub carbon additives and graphene oxide coating for enhancing the 5 v lini0 5mn1 5o4 cathode material performance in lithium ion batteries |
| topic | QC Physics QD Chemistry TK Electrical engineering. Electronics Nuclear engineering |
| url | http://umpir.ump.edu.my/id/eprint/38067/1/2022--p16--ACS-SCE-Effect%20of%20Single-Walled%20Carbon%20Nanotube%20Sub-carbon%20Additives%20and%20GO%20for%205V%20LNMO.pdf http://umpir.ump.edu.my/id/eprint/38067/7/Effect%20of%20single-walled%20carbon%20nanotube%20sub-carbon%20additives%20and%20graphene%20oxide%20.pdf |
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