Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries
The growing use of EVs and society's energy needs require safe, affordable, durable, and eco-friendly high-energy lithium-ion batteries (LIBs). To this end, we synthesized and investigated the removal of Co from Al-doped Ni-rich cathode materials, specifically LiNi0.9Co0.1Al0.0O2 (NCA-0), LiNi0...
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| Format: | Article |
| Language: | English |
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Elsevier Ltd
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| Online Access: | http://umpir.ump.edu.my/id/eprint/45047/ http://umpir.ump.edu.my/id/eprint/45047/1/Systematic%20study%20of%20Co-free%20LiNi0.9Mn0.07Al0.03O2%20Ni-rich%20cathode.pdf |
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| author | Seenivasan, Manojkumar Yang, Chunchen Wu, She–Huang Chang, Jeng Kuei Jose, Rajan |
| author_facet | Seenivasan, Manojkumar Yang, Chunchen Wu, She–Huang Chang, Jeng Kuei Jose, Rajan |
| author_sort | Seenivasan, Manojkumar |
| building | UMP Institutional Repository |
| collection | Online Access |
| description | The growing use of EVs and society's energy needs require safe, affordable, durable, and eco-friendly high-energy lithium-ion batteries (LIBs). To this end, we synthesized and investigated the removal of Co from Al-doped Ni-rich cathode materials, specifically LiNi0.9Co0.1Al0.0O2 (NCA-0), LiNi0.9Mn0.1Al0.0O2 (NMA-0), LiNi0.9Mn0.07Al0.03O2 (NMA-3), intending to enhance LIB performance and reduce the reliance on cobalt, a costly and scarce resource. Our study primarily focuses on how the removal of Co affects the material characteristics of Ni-rich cathode material and further introduces aluminum into the cathode composition to study its impacts on electrochemical properties and overall performance. Among the synthesized samples, we discovered that the NMA-3 sample, modified with 3 mol% of Al, exhibited superior battery performance, demonstrating the effectiveness of aluminum in promoting cathode stability. Furthermore, the Al-modified cathode showed promising cycle life under normal and high-temperature conditions. Our NMA-3 demonstrated remarkable capacity retention of ∼ 88 % at 25 °C and ∼ 81 % at 45 °C after 200 cycles at 1C, within a voltage range of 2.8–4.3 V, closely matching the performances of conventional NCM and NCA cathodes. Without cobalt, the cathodes exhibited increased cation disorder leading to inferior rate capabilities at high C-rates. In-situ transmission XRD analysis revealed that the introduction of Al has reduced the phase change and provided much-needed stability to the overall structure of the Co-free NMA-3. Altogether, the findings suggest that our aluminum-modified NMA-3 sample offers a promising approach to developing Co-free, Ni-rich cathodes, effectively paving the way toward sustainable, high-energy–density LIBs. |
| first_indexed | 2025-11-15T03:57:37Z |
| format | Article |
| id | ump-45047 |
| institution | Universiti Malaysia Pahang |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T03:57:37Z |
| publisher | Elsevier Ltd |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | ump-450472025-07-09T07:21:20Z http://umpir.ump.edu.my/id/eprint/45047/ Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries Seenivasan, Manojkumar Yang, Chunchen Wu, She–Huang Chang, Jeng Kuei Jose, Rajan QC Physics TK Electrical engineering. Electronics Nuclear engineering TP Chemical technology The growing use of EVs and society's energy needs require safe, affordable, durable, and eco-friendly high-energy lithium-ion batteries (LIBs). To this end, we synthesized and investigated the removal of Co from Al-doped Ni-rich cathode materials, specifically LiNi0.9Co0.1Al0.0O2 (NCA-0), LiNi0.9Mn0.1Al0.0O2 (NMA-0), LiNi0.9Mn0.07Al0.03O2 (NMA-3), intending to enhance LIB performance and reduce the reliance on cobalt, a costly and scarce resource. Our study primarily focuses on how the removal of Co affects the material characteristics of Ni-rich cathode material and further introduces aluminum into the cathode composition to study its impacts on electrochemical properties and overall performance. Among the synthesized samples, we discovered that the NMA-3 sample, modified with 3 mol% of Al, exhibited superior battery performance, demonstrating the effectiveness of aluminum in promoting cathode stability. Furthermore, the Al-modified cathode showed promising cycle life under normal and high-temperature conditions. Our NMA-3 demonstrated remarkable capacity retention of ∼ 88 % at 25 °C and ∼ 81 % at 45 °C after 200 cycles at 1C, within a voltage range of 2.8–4.3 V, closely matching the performances of conventional NCM and NCA cathodes. Without cobalt, the cathodes exhibited increased cation disorder leading to inferior rate capabilities at high C-rates. In-situ transmission XRD analysis revealed that the introduction of Al has reduced the phase change and provided much-needed stability to the overall structure of the Co-free NMA-3. Altogether, the findings suggest that our aluminum-modified NMA-3 sample offers a promising approach to developing Co-free, Ni-rich cathodes, effectively paving the way toward sustainable, high-energy–density LIBs. Elsevier Ltd Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/45047/1/Systematic%20study%20of%20Co-free%20LiNi0.9Mn0.07Al0.03O2%20Ni-rich%20cathode.pdf Seenivasan, Manojkumar and Yang, Chunchen and Wu, She–Huang and Chang, Jeng Kuei and Jose, Rajan Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries. Journal of Colloid and Interface Science, 661. pp. 1070-1081. ISSN 0021-9797. (Published) https://doi.org/10.1016/j.jcis.2024.02.040 https://doi.org/10.1016/j.jcis.2024.02.040 |
| spellingShingle | QC Physics TK Electrical engineering. Electronics Nuclear engineering TP Chemical technology Seenivasan, Manojkumar Yang, Chunchen Wu, She–Huang Chang, Jeng Kuei Jose, Rajan Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries |
| title | Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries |
| title_full | Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries |
| title_fullStr | Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries |
| title_full_unstemmed | Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries |
| title_short | Systematic study of Co-free LiNi0.9Mn0.07Al0.03O2 Ni-rich cathode materials to realize high-energy density Li-ion batteries |
| title_sort | systematic study of co-free lini0.9mn0.07al0.03o2 ni-rich cathode materials to realize high-energy density li-ion batteries |
| topic | QC Physics TK Electrical engineering. Electronics Nuclear engineering TP Chemical technology |
| url | http://umpir.ump.edu.my/id/eprint/45047/ http://umpir.ump.edu.my/id/eprint/45047/ http://umpir.ump.edu.my/id/eprint/45047/ http://umpir.ump.edu.my/id/eprint/45047/1/Systematic%20study%20of%20Co-free%20LiNi0.9Mn0.07Al0.03O2%20Ni-rich%20cathode.pdf |