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2 557 549

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(51)

IPC

H01M6/18(2006-01-01)

H01M10/56(2010-01-01)

H01M10/58(2010-01-01)

C30B11/00(2006-01-01)

(21) (22)

Application

2014102112/04, 2014-01-23

(24)

Start date

2014-01-23

(22)

Actual filing date

2014-01-23

(45)

Published

2015-07-27

(72)

Inventor

Sorokin Nikolaj IvanovichSobolev Boris PavlovichKarimov Denis Nurimanovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Kristallografii Im. A.V. Shubnikova Rossijskoj Akademii Nauk, Ran)

FLUORINE-CONDUCTING SOLID ELECTROLITE RMF WITH TYSONITE STRUCTURE AND METHOD OF OBTAINING THEREOF Russian patent published in 2015 - IPC H01M6/18 H01M10/56 H01M10/58 C30B11/00

Abstract RU 2557549 C1

FIELD: chemistry.

SUBSTANCE: invention relates to fluorine-conducting solid electrolyte R_1-yM_yF_3-y with tysonite structure, containing fluorides of rare earth and alkali earth metals. Electrolyte is characterised by the fact that it has monocrystalline form and contains trifluoride RF₃(R=La, Ce, Pr, Nd) and difluoride MF₂(M=Ca, Sr, Ba), taken with the following ratio: RF₃ 95-97 mol % and MF₂ 3-5 mol %, which provides achievement of value of fluorine-ionic conductivity to σ~5×10^-4 Ohm^-1cm^-1 at 20°C. Invention also relates to method of electrolyte obtaining.

EFFECT: claimed electrolyte does not possess porosity, does not have reduced conductivity, characteristic of fine crystalline powders, and has optimised composition.

2 cl, 6 ex, 1 dwg

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RU 2 557 549 C1

Authors

Sorokin Nikolaj Ivanovich

Sobolev Boris Pavlovich

Karimov Denis Nurimanovich

Dates

2015-07-27—Published

2014-01-23—Filed