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2 706 006

(13)

(51)

IPC

C25B1/14(2006-01-01)

B82Y40/00(2011-01-01)

C01G41/00(2006-01-01)

C30B30/02(2006-01-01)

(21) (22)

Application

2019111133, 2019-04-15

(24)

Start date

2019-04-15

(22)

Actual filing date

2019-04-15

(45)

Published

2019-11-13

(72)

Inventor

Vakarin Sergej ViktorovichSemerikova Olga LeonidovnaKosov Aleksandr ValerevichPankratov Aleksandr AlekseevichPlaksin Sergej VladimirovichZajkov Yurij Pavlovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Institut Vysokotemperaturnoj Elektrokhimii Uralskogo Otdeleniya Rossijskoj Akademii Nauk

ELECTROCHEMICAL METHOD OF FORMING OXIDE TUNGSTEN BRONZE CRYSTALS FROM NANOWHISKERS (VERSIONS) Russian patent published in 2019 - IPC C25B1/14 B82Y40/00 C01G41/00 C30B30/02

Abstract RU 2706006 C1

FIELD: technological processes.

SUBSTANCE: invention relates to versions of an electrochemical method of forming crystals of tungsten oxide bronze from nanowhiskers. One of the versions involves electrolysis of a poly-tungsten melt using a platinum anode, in which electrodeposition is carried out at 700 °C in pulse potentiostatic mode from melt containing 25 mol% K₂WO₄, 25 mol% Na₂WO₄ and 50 mol% WO₃, with a single rectangular-shaped voltage pulse of -855 mV and duration of 1 s, wherein the copper cathode used is copper foil.

EFFECT: high-temperature electrochemical method enables to form crystals of tungsten oxide bronze from nanowhiskers, which have length to diameter ratio >1,000.

6 cl, 6 dwg

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RU 2 706 006 C1

Authors

Vakarin Sergej Viktorovich

Semerikova Olga Leonidovna

Kosov Aleksandr Valerevich

Pankratov Aleksandr Alekseevich

Plaksin Sergej Vladimirovich

Zajkov Yurij Pavlovich

Dates

2019-11-13—Published

2019-04-15—Filed