Synthesis and electrochemical properties of a new compound, Na0.8Li0.1Ni0.31Mn0.62O2
Liu, Guoqiang1,2,3; Yu, Han1; Liang, Ji5; Zhang, Jingyi1; Wen, Lei4
Corresponding AuthorLiu, Guoqiang( ; Wen, Lei(
AbstractLayered manganese-based oxide is an important cathode material for sodium ion batteries and its performance strongly depends on the composition of the material. Here we synthesize a new compound Na0.8Li0.1Ni0.31Mn0.62O2 by a solid-state reaction method and investigate its electrochemical performance. The resultant material displays a high capacity of 138 mAh g(-1) in the voltage range of 2.0-4.4 V, with good capacity retention. It also displays an excellent rate capability, by delivering a high capacity of 94 mAh g(-1) at a high current density of 788.5 mA g(-1). The sodium ion diffusion coefficient of the Na0.8Li0.1Ni0.31Mn0.62O2 is calculated to be 5.8 x 10 x 12 cm(2) s(-1) by AC impedance testing, which is superior to the previously reported Al-doped P2-Na2/3Ni1/3Mn5/9Al1/9O2 compound. (C) 2019 Published by Elsevier B.V.
KeywordSodium ion batteries Cathode Na0.8Li0.1Ni0.31Mn0.62O2 Electrochemical properties
Funding OrganizationNational Natural Science Foundation of China
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[51574081]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000467235800036
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Document Type期刊论文
Corresponding AuthorLiu, Guoqiang; Wen, Lei
Affiliation1.Northeastern Univ, Sch Met, Shenyang 110819, Liaoning, Peoples R China
2.Nankai Univ, Coll Chem, Key Lab Adv Energy Mat Chem, Minist Educ, Tianjin 300071, Peoples R China
3.Northeastern Univ, Sch Met, Liaoning Key Lab Met Sensor Technol, Shenyang 110819, Liaoning, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
5.Univ Wollongong, Australian Inst Innovat Mat, Inst Superconducting & Elect Mat, Innovation Campus,Squires Way, North Wollongong, NSW 2500, Australia
Recommended Citation
GB/T 7714
Liu, Guoqiang,Yu, Han,Liang, Ji,et al. Synthesis and electrochemical properties of a new compound, Na0.8Li0.1Ni0.31Mn0.62O2[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,792:308-313.
APA Liu, Guoqiang,Yu, Han,Liang, Ji,Zhang, Jingyi,&Wen, Lei.(2019).Synthesis and electrochemical properties of a new compound, Na0.8Li0.1Ni0.31Mn0.62O2.JOURNAL OF ALLOYS AND COMPOUNDS,792,308-313.
MLA Liu, Guoqiang,et al."Synthesis and electrochemical properties of a new compound, Na0.8Li0.1Ni0.31Mn0.62O2".JOURNAL OF ALLOYS AND COMPOUNDS 792(2019):308-313.
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