Magnetic Properties of Li3V2(PO4)3/Li3PO4 Composite

被引：5
|
作者：
Gavrilova, Tatiana [1 ]
Khantimerov, Sergey [1 ]
Cherosov, Mikhail [2 ]
Batulin, Ruslan [2 ]
Lyadov, Nickolay [1 ]
Yatsyk, Ivan [1 ]
Deeva, Yulia [3 ]
Turkin, Denis [3 ]
Chupakhina, Tatiana [3 ]
Suleimanov, Nail [1 ,4 ]
机构：
[1] RAS, Zavoisky Phys Tech Inst, FRC Kazan Sci Ctr, Sibirsky Tract 10-7, Kazan 420029, Russia
[2] Kazan Fed Univ, Inst Phys, Kremlyovskaya Str 18, Kazan 420008, Russia
[3] Inst Solid State Chem UB RAS, Pervomaiskaya Str 91, Ekaterinburg 620990, Russia
[4] Kazan State Power Engn Univ, Inst Elect Power Engn & Elect, Krasnoselskaya Str 51, Kazan 420066, Russia
来源：
MAGNETOCHEMISTRY | 2021年 / 7卷 / 05期
基金：
俄罗斯科学基金会;
关键词：
Li3V2(PO4)(3); composite; cathode material; magnetization; electron spin resonance; CARBON-COATED LI3V2(PO4)(3); LITHIUM-ION BATTERIES; CATHODE MATERIALS; OXIDATION-STATE; DOUBLE EXCHANGE; VANADIUM; PERFORMANCE; LI3PO4; PHASE;
D O I：
10.3390/magnetochemistry7050064
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Here, we present the investigation of the magnetic properties of Li3V2(PO4)(3)/Li3PO4 composites, which can be potentially used as a cathode material in lithium-ion batteries. Li3V2(PO4)(3)/Li3PO4 was synthesized by the thermal hydrolysis method and has a granular mesoporous structure. Magnetic properties of the composite were investigated using magnetometry and electron spin resonance methods. Based on magnetization measurements, the simultaneous existence of the paramagnetic phase with antiferromagnetic interactions between spins of V3+ ions and magnetically correlated regions was suggested. Most probably, magnetically correlated regions were formed due to anti-site defects and the presence of V4+ ions that was directly confirmed by electron spin resonance measurements.
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页数：9
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