Lithium intercalation and deintercalation into lithium-iron phosphates doped with cobalt

被引：9

作者：

Novikova, Svetlana A. ^{[1
]}

Yaroslavtsev, Sergei A. ^{[2
]}

Rusakov, Vyacheslav S. ^{[2
]}

Kulova, Tatyana L. ^{[3
]}

Skundin, Alexander M. ^{[3
]}

Yaroslavtsev, Andrei B. ^{[1
,4
]}

机构：

[1] Russian Acad Sci, NS Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia

[2] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119991, Russia

[3] Russian Acad Sci, AN Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia

[4] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia

来源：

MENDELEEV COMMUNICATIONS | 2013年 / 23卷 / 05期

关键词：

LIFEPO4; BATTERIES;

D O I：

10.1016/j.mencom.2013.09.003

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The study of processes occurring during the charge and discharge of a lithium ion battery with a cathode based on LiFePO4 doped with cobalt ions and coated with a thin layer of carbon by means of X-ray diffraction analysis, electrochemical tests and Mossbauer spectroscopy demonstrated that as a result of Co2+ incorporation into the LiFePO4/C cathode material, the charge/discharge rate of the battery increased; cobalt ions are orderly distributed in the structure of the cathode material, both in charged and discharged state, in such a way that the nearest environment of iron contains no more than one cobalt ion.

引用

页码：251 / 252

页数：2

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