高镍无钴正极材料具有低毒性、低成本、高比能的特点,是目前锂离子电池正极材料的研究热点之一。介绍了高镍无钴正极材料制备方法及其改性研究进展,指出通过优化制备工艺可以提高正极材料的结构稳定性;利用体相掺杂和表面包覆改性可以改善材料的电化学性能。未来应注重高镍无钴正极材料失效机理和复合改性机理的研究,解决其结构不稳定和倍率性能差等问题。
High nickel cobalt-free cathode material has the characteristics of low toxicity,low cost and high specific energy,and is one of the research hotspots of cathode materials for lithium-ion batteries.In this paper,the latest research progress in the preparation and modification of high nickel cobalt-free cathode materials was reviewed,pointing out that optimizing the preparation process could improve the structural stability of cathode electrode materials.The use of bulk phase doping and surface modification could enhance the electrochemical performance of materials.In the future,attention should be paid to the research on the mechanism of failure and composite modification of high nickel cobalt-free cathode materials to solve the problems of structural instability and poor rate performance.
[1] Chu B,Guo Y J,Shi J L,et al.Cobalt in high-energy-density layered cathode materials for lithium ion batteries[J].Journal of Power Sources,2022,544(10):231873.
[2] Muralidharan N,Essehli R,Hermann R P,et al.Lithium iron aluminum nickelate,LiNixFeyAlzO2-new sustainable cathodes for next-generation cobalt-free Li-ion batteries[J].Advanced Materials,2020,32(34):2002960.
[3] Muralidharan N,Essehli R,Hermann R P,et al.LiNixFeyAlzO2,a new cobalt-free layered cathode material for advanced Li-ion batteries[J].Journal of Power Sources,2020,471(9):228389.
[4] Xia Y,Zhou L,Wang K,et al.Economical cobalt-free single-crystal LiNi0.6Mn0.4O2 cathodes for high-performance lithium-ion batteries[J].Journal of Solid State Electrochemistry,2023,27(1):1363-1372.
[5] Yu L,Zhao H,Sun J,et al.Insights into micromorphological effects of cation disordering on Co-free layered oxide cathodes[J].Advanced Functional Materials,2022,32(40):2204931.
[6] Ni J,Tan Y,Xu K,et al.Cobalt-free nickel-rich layered LiNi0.9Al0.1-xZrxO2 cathode for high energy density and stable lithium-ion batteries[J].Journal of the Taiwan Institute of Chemical Engineers,2022,136:104421.
[7] Xi Y K,Wang M J,Xu L,et al.A new Co-free Ni-rich LiNi0.8Fe0.1Mn0.1O2 cathode for low-cost Li-ion batteries[J].ACS Applied Materials & Interfaces,2021,13(48):57341-57349.
[8] Xi R,Zhang J,Lan Z,et al.High-nickel and cobalt-free layered LiNi0.90Mn0.06Al0.04O2 cathode for lithium-ion batteries[J].Ceramics International,2022,48(24):36690-36696.
[9] Dai P,Kong X,Yang H,et al.Single-crystal Ni-rich layered LiNi0.9Mn0.1O2 enables superior performance of Co-free cathodes for lithium-ion batteries[J].ACS Sustainable Chemistry & Engineering,2022,10(14):4381-4390
[10] Liu J,Yuan Y,Zheng J,et al.Understanding the synthesis kinetics of single-crystal Co-free Ni-rich cathodes[J].Angewandte Chemie International Edition,2023,62(20):202302547.
[11] Fan X,Ou X,Zhao W,et al.In situ inorganic conductive network formation in high-voltage single-crystal Ni-rich cathodes[J].Nature Communications,2021,12(1):5320.
[12] 吴锋,李晴,陈来,等.高镍正极材料中钴元素的替代方案及其合成工艺优化[J].物理化学学报,2022,38(5):66-75.
[13] Essehli R,Parejiya A,Muralidharan N,et al.Hydrothermal synthesis of Co-free NMA cathodes for high performance Li-ion batteries[J].Journal of Power Sources,2022,545(10):231938.
[14] 郭孝东,徐春柳,向伟,等.富镍三元正极材料的改性研究进展[J].工程科学与技术,2020,52(1):9-17.
[15] Yi M,Dolocan A,Manthiram A.Stabilizing the interphase in cobalt-free,ultrahigh-nickel cathodes for lithium-ion batteries[J].Advanced Functional Materials,2023,33(14):2213164.
[16] Lv Y,Huang S F,Lu S R,et al.Engineering of cobalt-free Ni-rich cathode material by dual-element modification to enable 4.5 V-class high-energy-density lithium-ion batteries[J].Chemical Engineering Journal,2023,455:140652.
[17] Zhang Y,Zhao Y,Hu W,et al.Microstructure and surface engineering through indium modification on Ni-rich layered cathode materials for enhanced electrochemical performance of lithium-ion batteries[J].Journal of Alloys and Compounds,2023,934:167862.
[18] Kang C Y,Oh S,Shim T Y,et al.Boosting electrochemical performance of Ni-rich layered cathode via Li2SnO3 surface coating and Sn4+ gradient doping based dual modification for lithium-ion batteries[J].Electronic Materials Letters,2023,19(2):374-383.
[19] Tan X,Peng W,Wang M,et al.Al,Zr dual-doped cobalt-free nickel-rich cathode materials for lithium-ion batteries[J].Progress in Natural Science:Materials International,2023,33(1):108-155.
[20] Wang X,Zhang B,Xiao Z,et al.Enhanced rate capability and mitigated capacity decay of ultrahigh-nickel cobalt-free LiNi0.9Mn0.1O2 cathode at high-voltage by selective tungsten substitution[J].Chinese Chemical Letters,2022,34(7):107772.
[21] Shen L,Du F,Zhou Q,et al.Cobalt-free nickel-rich cathode materials based on Al/Mg co-doping of LiNiO2 for lithium ion battery[J].Journal of Colloid and Interface Science,2023,638:281-290.
[22] Cui Z,Xie Q,Manthiram A.A cobalt- and manganese-free high-nickel layered oxide cathode for long-life,safer lithium-ion batteries[J].Advanced Energy Materials,2021,11(41):202102421.
[23] Yang H,Gao R M,Zhang X D,et al.Building a self-adaptive protective layer on Ni-rich layered cathodes to enhance the cycle stability of lithium-ion batteries[J].Advanced Materials,2022,34(38):2204835.
[24] Gao R M,Yang H,Wang C Y,et al.Fatigue-resistant interfacial layer for safe lithium metal batteries[J].Angewandte Chemie International Edition,2021,60(48):25508-25513.
[25] Nam G,Hwang J,Kang D,et al.Mechanical densification synthesis of single-crystalline Ni-rich cathode for high-energy lithium-ion batteries[J].Journal of Energy Chemistry,2023,79(4):562-568.
基金资助
广东省科技计划项目(2017B010119002);佛山市科技计划项目(1920001001421)
PDF
