The present invention relates to a monomeric polypeptide including a single subunit comprising the active site of a [NiFe]-hydrogenase-like protein, said monomeric polypeptide having hydrogenase activity.
C12N 9/02 - Oxydoréductases (1.), p. ex. luciférase
C12N 15/63 - Introduction de matériel génétique étranger utilisant des vecteursVecteurs Utilisation d'hôtes pour ceux-ciRégulation de l'expression
C12P 3/00 - Préparation d'éléments ou de composés inorganiques à l'exception du dioxyde de carbone
C12Q 1/00 - Procédés de mesure ou de test faisant intervenir des enzymes, des acides nucléiques ou des micro-organismesCompositions à cet effetProcédés pour préparer ces compositions
2.
MONOMER POLYPEPTIDE HAVING HYDROGENASE ACTIVITY, IN PARTICULAR RECOMBINANT MONOMER POLYPEPTIDE HAVING HYDROGENASE ACTIVITY
The invention relates to a monomer polypeptide comprising a single subunit comprising the active site of a [NiFe]- hydrogenase protein, said monomer polypeptide having hydrogenase activity.
The invention relates to a monomer polypeptide comprising a single subunit comprising the active site of a [NiFe]-hydrogenase protein, said monomer polypeptide having hydrogenase activity.
said device being characterised in that said means for proton reduction is a proton exchange interface with a front side facing said means of electron capture, and a back side, with only said back side of said proton exchange interface bearing at least one catalyst and/or at least one catalytic system.
B01J 19/12 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaireAppareils à cet usage utilisant des radiations électromagnétiques
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C01B 3/04 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par décomposition de composés inorganiques, p. ex. de l'ammoniac
C25B 9/19 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
C25B 11/00 - ÉlectrodesLeur fabrication non prévue ailleurs
This invention concerns a device for dissociating an aqueous phase to generate hydrogen gas, said device comprising: a first zone comprising said aqueous phase, a means of electron capture, a means for reducing protons, and an energy source, said device being characterized in that said means for proton reduction is a proton exchange interface with a front side facing said means of electron capture, and a back side, with only said back side of said proton exchange interface bearing at least one catalyst and/or at least one catalytic system.
C25B 1/10 - Production électrolytique de composés inorganiques ou de non-métaux d'hydrogène ou d'oxygène par électrolyse de l'eau dans des cellules à diaphragme
C25B 9/10 - Cellules comportant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes comprenant une membrane d'échange d'ions dans ou sur laquelle est incrusté du matériau pour électrode
G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes
6.
PHOTOCATALYTIC DEVICE FOR THE PRODUCTION OF HYDROGEN GAS
Photocatalytic device to dissociate an aqueous phase to product hydrogen gas, said device being set up in such a way that at least one photocatalytic system in contact with said aqueous phase can be irradiated by a light source to producethrough an oxidation reaction in said aqueous phaseoxygen gas, electrons and protons at a means of electron capture, said device comprising: - a first zone comprising said aqueous phase, and - a means for reducing said protons set up to carry out a reduction reaction on said protons by said electrons in order to generate hydrogen gas. said device being characterised in that said means for proton reduction is a proton exchange interface with a front side facing said means of electron capture, and a back side, with only said back side of said proton exchange interface bearing at least one catalyst and/or at least one catalytic system.
B01J 14/00 - Procédés chimiques généraux faisant réagir des liquides avec des liquidesAppareillage spécialement adapté à cet effet
B01J 19/12 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaireAppareils à cet usage utilisant des radiations électromagnétiques
This invention concems a device for dissociating an aqueous phase to generate hydrogen gas, said device comprising:- a first zone comprising said aqueous phase,- a means of electron capture,- a means for reducing protons, and- an energy source,said device being characterised in that said means for proton reduction is a proton exchange interface with a front side facing said means of electron capture, and a back side, with only said back side of said proton exchange interface bearing at least one catalyst and/or at least one catalytic system.
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
C25B 13/04 - DiaphragmesÉléments d'espacement caractérisés par le matériau
The invention relates to an aqueous-phase (2)-dissociation device (1) for producing gaseous hydrogen, said device comprising: a first zone containing the aqueous phase, an electron capture means, a proton reduction means, and an energy source (7).
C25B 1/10 - Production électrolytique de composés inorganiques ou de non-métaux d'hydrogène ou d'oxygène par électrolyse de l'eau dans des cellules à diaphragme
C25B 9/10 - Cellules comportant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes comprenant une membrane d'échange d'ions dans ou sur laquelle est incrusté du matériau pour électrode
9.
PHOTOCATALYTIC DEVICE FOR THE PRODUCTION OF GASEOUS HYDROGEN
The invention relates to a photocatalytic aqueous-phase-dissociation device for producing gaseous hydrogen, said device being arranged such that at least one photocatalytic system that is in contact with the aqueous phase can be irradiated by a light source in order to produce gaseous oxygen, electrons and protons by means of a reaction involving the oxidation of the aqueous phase at an electron capture means. The device comprises: a first zone containing the aqueous phase; and a proton reduction means arranged to perform a reaction involving the reduction of the protons with the electrons so as to produce gaseous hydrogen, said proton reduction means being a proton exchange interface having a front face oriented towards the electron capture means and a back face, in which only the back face of the proton exchange interface comprises at least one catalyst and/or at least one catalytic system.
B01J 14/00 - Procédés chimiques généraux faisant réagir des liquides avec des liquidesAppareillage spécialement adapté à cet effet
B01J 19/12 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaireAppareils à cet usage utilisant des radiations électromagnétiques
C01B 3/04 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par décomposition de composés inorganiques, p. ex. de l'ammoniac
C25B 1/00 - Production électrolytique de composés inorganiques ou de non-métaux
10.
Method for dissociating water using photosystem II (PSII)
The invention relates to a method for dissociating an aqueous solution which includes electrochemical oxidation of the aqueous solution in the presence of pulsed light, said pulsed light being generated from a first source of light energy with a predetermined pulse frequency value, using an enzyme composition based on a first enzyme complex PSII, isolated from a second enzyme complex PSI, with production of oxygen, free electrons and free protons in the aqueous solution, characterised in that said light energy has a variable energy value over time, said method also including a step of modulating said predetermined pulse frequency value of said pulsed light.
The invention relates to a method for dissociating an aqueous solution which includes electrochemical oxidation of the aqueous solution in the presence of pulsed light, said pulsed light being generated from a first source of light energy with a predetermined pulse frequency value, using an enzyme composition based on a first enzyme complex PSII, isolated from a second enzyme complex PSI, with production of oxygen, free electrons and free protons in the aqueous solution, characterised in that said light energy has a variable energy value over time, said method also including a step of modulating said predetermined pulse frequency value of said pulsed light.