{"title":"高稳定锂离子电池高镍无钴阴极一次颗粒的控制","authors":"Yun-Jae Song, Hyo-Jin Ahn","doi":"10.1007/s11814-025-00447-8","DOIUrl":null,"url":null,"abstract":"<div><p>Lithium-ion batteries (LIBs) are bright energy-storage devices owing to their superior energy density and low memory effects. High-nickel cobalt-free Li[Ni<sub>0.9</sub>Mn<sub>0.1</sub>]O<sub>2</sub> (NM90) is a promising cathode material owing to its high energy density, low cost, and nontoxicity. However, high-Ni cathodes suffer from cation disordering and short lifecycle properties. Therefore, we fabricated well-aligned primary particles by controlling the concentration of chelating agents during co-precipitation. Appropriately aligned primary particles facilitated the transport of lithium ions, and the Mn ions in NM90 provided frameworks with highly stable structures. The fabricated NM90_4.8 M electrodes exhibited superior cathode performances, including a noticeable specific capacity of 149.9 mAh/g with an outstanding capacity retention of 87.4% after 100 cycles during a current density of 1C and a superior discharge specific capacity of 196.1 mAh/g at a current density of 0.2C. The NM90_4.8 M cathode can provide the next-generation active materials that afford long-life and ultrafast LIBs, which are discussed in terms of cost efficiency.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"42 8","pages":"1683 - 1692"},"PeriodicalIF":3.2000,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Controlling the Primary Particle of High-Nickel Cobalt-Free Cathodes for Highly Stable Lithium-Ion Batteries\",\"authors\":\"Yun-Jae Song, Hyo-Jin Ahn\",\"doi\":\"10.1007/s11814-025-00447-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Lithium-ion batteries (LIBs) are bright energy-storage devices owing to their superior energy density and low memory effects. High-nickel cobalt-free Li[Ni<sub>0.9</sub>Mn<sub>0.1</sub>]O<sub>2</sub> (NM90) is a promising cathode material owing to its high energy density, low cost, and nontoxicity. However, high-Ni cathodes suffer from cation disordering and short lifecycle properties. Therefore, we fabricated well-aligned primary particles by controlling the concentration of chelating agents during co-precipitation. Appropriately aligned primary particles facilitated the transport of lithium ions, and the Mn ions in NM90 provided frameworks with highly stable structures. The fabricated NM90_4.8 M electrodes exhibited superior cathode performances, including a noticeable specific capacity of 149.9 mAh/g with an outstanding capacity retention of 87.4% after 100 cycles during a current density of 1C and a superior discharge specific capacity of 196.1 mAh/g at a current density of 0.2C. The NM90_4.8 M cathode can provide the next-generation active materials that afford long-life and ultrafast LIBs, which are discussed in terms of cost efficiency.</p></div>\",\"PeriodicalId\":684,\"journal\":{\"name\":\"Korean Journal of Chemical Engineering\",\"volume\":\"42 8\",\"pages\":\"1683 - 1692\"},\"PeriodicalIF\":3.2000,\"publicationDate\":\"2025-04-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Korean Journal of Chemical Engineering\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11814-025-00447-8\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Korean Journal of Chemical Engineering","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s11814-025-00447-8","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Controlling the Primary Particle of High-Nickel Cobalt-Free Cathodes for Highly Stable Lithium-Ion Batteries
Lithium-ion batteries (LIBs) are bright energy-storage devices owing to their superior energy density and low memory effects. High-nickel cobalt-free Li[Ni0.9Mn0.1]O2 (NM90) is a promising cathode material owing to its high energy density, low cost, and nontoxicity. However, high-Ni cathodes suffer from cation disordering and short lifecycle properties. Therefore, we fabricated well-aligned primary particles by controlling the concentration of chelating agents during co-precipitation. Appropriately aligned primary particles facilitated the transport of lithium ions, and the Mn ions in NM90 provided frameworks with highly stable structures. The fabricated NM90_4.8 M electrodes exhibited superior cathode performances, including a noticeable specific capacity of 149.9 mAh/g with an outstanding capacity retention of 87.4% after 100 cycles during a current density of 1C and a superior discharge specific capacity of 196.1 mAh/g at a current density of 0.2C. The NM90_4.8 M cathode can provide the next-generation active materials that afford long-life and ultrafast LIBs, which are discussed in terms of cost efficiency.
期刊介绍:
The Korean Journal of Chemical Engineering provides a global forum for the dissemination of research in chemical engineering. The Journal publishes significant research results obtained in the Asia-Pacific region, and simultaneously introduces recent technical progress made in other areas of the world to this region. Submitted research papers must be of potential industrial significance and specifically concerned with chemical engineering. The editors will give preference to papers having a clearly stated practical scope and applicability in the areas of chemical engineering, and to those where new theoretical concepts are supported by new experimental details. The Journal also regularly publishes featured reviews on emerging and industrially important subjects of chemical engineering as well as selected papers presented at international conferences on the subjects.