CATALYST, HYDROGENATION OF HYDROGEN CARBONATE, HYDROGEN STORAGE SYSTEM

Title:

CATALYST, HYDROGENATION OF HYDROGEN CARBONATE, HYDROGEN STORAGE SYSTEM

Document Type and Number:

WIPO Patent Application WO/2015/040440

Kind Code:

A3

Abstract:

The invention relates to a catalyst according to the formula lrCI(cod)(NHC)] + nP (n = 2, 3 or 4), or [lr(cod)(NHC)(P)] + nP (n = 1, 2 or 3), which is suitable to decompose formates in an aqueous reaction system, and for the production of hydrogen gas or hydrogenation of carbonates, wherein Ir means irydium; CI means chlorine; cod means 1,5-cyclooctadiene; NHC means N-heterocyclic carbene, preferably 1-R-3-methylimidasolium chloride, wherein R means C 1-5 alkyl es P means 1,3,5-triaza-7-phosphaadamantane (pta), monosulphonated triphenilphosphine (mtppms), trisulphonated triphenylphosphine (mtppts), or four times sulphonated diphenylphosphynopropane (dpppts). Furthermore, the invention relates to a process for the preparation of the catalyst accoring to the invention. Further, the invention relates to a process for the decomposition of formate in aqueous reaction system, and for the production of hydrogen gas free of COx, still further, a process for the hydrogenation of hydrogen carbonate in an aqueous reaction system, as well as the production of the respective formate. Further, the invention relates to a process for the decomposition of formate accoring to the invention, and the hydrogenation of the carbonate generated in the same reaction system. The invention relates to a hydrogen storage system based on the process according to the invention, preferably battery or fuel cell, and the use thereof.

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Inventors:

GYŐRVÁRINÉ HORVÁTH, HENRIETTA (HU)
PAPP GÁBOR (HU)
JOÓ FERENC (HU)
KATHÓ ÁGNES (HU)

Application Number:

PCT/HU2014/000083

Publication Date:

May 14, 2015

Filing Date:

September 17, 2014

Export Citation:

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Assignee:

DEBRECENI EGYETEM (HU)

International Classes:

B01J23/46; B01J19/14; B01J27/185; B01J27/24; B01J31/18; C01B3/04; C01B3/26; F17C11/00

Domestic Patent References:

WO2007037722A1

2007-04-05

Foreign References:

US8133464B2	2012-03-13
US5728839A	1998-03-17
US5874638A	1999-02-23

Other References: