11 results about "Artificial photosynthesis" patented technology

There is provided an artificial photosynthesis energy device, the device comprising: an artificial photosynthesis fuel generator, incorporating: an inlet for receiving at least one of a feed material and at least one byproduct, a reactor which uses light energy from a light source to convert the at least one of the feed material and the at least one byproduct to a fuel, and an outlet which feeds the fuel to a power generator which generates electricity and produces the at least one byproduct from the fuel; the power generator, incorporating: an inlet fluidly connected to the outlet of the artificial photosynthesis fuel generator, and an outlet, wherein the device further comprises: a recycler which directs at least a portion of the at least one byproduct from the outlet of the power generator to the inlet of the artificial photosynthesis fuel generator.

A system (100) for modeling and optimizing artificial photosynthesis for the development of materials and devices for converting solar energy into fuel energy, comprising: • a quantum multiscale modeling module (110) configured to simulate the electronic and catalytic properties of photoactive materials; • a photoelectrode design module (120) configured to design and optimize photoanodes and photocathodes for photoelectrochemical reactions; • a module (130) for the fabrication of nanostructured material architectures designed for improved light absorption and catalytic performance; • a hybrid organic-inorganic interface module (140) configured to optimize charge transfer between organic molecules and inorganic semiconductor materials; • an AI optimization engine (150) configured to analyze simulation data and identify optimal material configurations; and • a simulation module (160) for converting solar energy into fuels, configured to simulate the operation of artificial photosynthesis systems for hydrogen production or carbon dioxide reduction.

This invention discloses a plant mutant that simultaneously enhances a plant's adaptability to high temperatures and high light, and its applications. It belongs to the field of plant genetic engineering technology. The plant mutant is a single-base mutation of ICMT5, specifically AT5G59500. The amino acid sequence of the ICMT5 protein is shown in SEQ ID NO.1. This invention obtains... icmt5 The mutant identified the chloroplast location of the ICMT5 protein and revealed its role in enhancing plant photosynthetic capacity and adaptability to high temperature and high light. This invention not only provides a new perspective for analyzing the chloroplast response to environmental stress and offers a new theoretical reference for future artificial photosynthesis simulation, but also has important application value for the breeding and improvement of stress-resistant crop varieties.

This invention provides an artificial photosynthesis reaction device and system for enhancing catalytic performance. The reaction device includes a pretreatment unit, a mixing and transport unit, a photocatalytic regeneration unit, and a separation unit. The pretreatment unit activates received carbon dioxide under supercritical conditions. The mixing and transport unit mixes various gaseous raw materials in a predetermined ratio and transports them to the photocatalytic regeneration unit. The photocatalytic regeneration unit preheats and activates the photocatalyst, enabling the chemical reaction to occur. The separation unit separates the reacted mixture and returns the unreacted mixture to the photocatalytic regeneration unit. According to this invention, industrial processing can reduce the chemical inertness of carbon dioxide, lower reaction energy consumption, and simultaneously improve catalytic reaction efficiency and overall chemical conversion rate.

The photocatalyst comprises a support substrate having a flat surface, a metal oxide layer made of a metal oxide material and attached to the flat surface, and a carbon nitride layer made of polymeric carbon nitride that reacts to visible light and is fixed to the flat surface via the metal oxide layer. The carbon nitride layer is firmly fixed to the support substrate, and artificial photosynthesis can be performed by immersing it in a liquid.

The utility model provides an artificial photosynthesis multi-reactor integrated system. The system comprises a pretreatment unit, a mixing unit, a catalyst regeneration reactor unit and a separation and purification unit, the pretreatment unit is used for pretreating reaction raw materials to obtain mixed gas; the mixing unit is used for further uniformly mixing the mixed gas into raw material gas with uniform proportion; the catalyst regeneration reactor unit is used for receiving the raw material gas and reacting to obtain a mixture; and the separation and purification unit is used for separating the mixture, sending the unreacted raw material gas back to the catalyst regeneration reactor unit and purifying the target product. According to the technical scheme provided by the utility model, raw material supply change and market demand fluctuation can be adapted, various raw materials are used for preparing methanol, and accurate regulation and control on the raw material gas proportion are realized by matching with an optimized process flow and an equipment structure; the flexibility and resource utilization rate of the production process are enhanced while the reaction efficiency and the product purity are improved.

This invention provides an ionization-coupled artificial photosynthesis reaction apparatus and system. The reaction apparatus includes: a feed control unit, an ionization treatment unit, a catalytic regeneration reactor unit, an ionization feedback unit, and a product separation unit. The feed control unit delivers a predetermined proportion of reactants to the ionization treatment unit; the ionization treatment unit ionizes the reactants; the ionization feedback unit separates the ionized reactants and sends the ionized reactants into the catalytic regeneration reactor unit; the catalytic regeneration reactor unit is used for the chemical reaction of the ionized reactants to obtain a mixture of the target product and the ionized reactants, which is then sent to the product separation unit; the product separation unit separates the mixture to obtain the target product. The technical solution of this invention reduces reaction condition requirements and improves the utilization efficiency of reactants and catalysts.

The utility model provides a cyclic regeneration artificial photosynthesis reaction device and a reaction system, the device comprises a light source, a first regenerator, a reactor, a material return pipe and a lifting pipe, the light source is used for providing photocatalytic light driving force; the first regenerator is of a cavity structure, and a discharge port is formed in the lower part of the first regenerator and is used for collecting an inactivated catalyst discharge device; the lifting pipe is arranged at the upper part of the first regenerator and is used for communicating the first regenerator with the reactor; the reactor is of a cavity structure, a material sinking pipe is arranged at the lower part of the reactor, and the reactor is connected to the material return pipe through the material sinking pipe; and the return pipe is used for communicating the reactor with the lower part of the first regenerator and transmitting the deactivated catalyst collected by the reactor to the first regenerator. According to the technical scheme provided by the utility model, the catalyst loss can be reduced while the reaction conversion rate is improved.

The invention relates to a preparation method of a Ga-coated Cu3-DHzOMe-COF material and a method for synthesizing urea through photocatalysis of CO2 and N2 reaction by using the Ga-coated Cu3-DHzOMe-COF material. The invention provides a novel Ga (at) Cu3-DHzOMe-COF material, and aims to solve the problem that the yield is low when an existing covalent organic framework is used for photocatalytic urea synthesis. The method comprises the following steps: 1, preparing a Cu3-DHzOMe-COF material; and 2, preparation of the Ga (at) Cu3-DHzOMe-COF material. The preparation process is simple and effective, the reagent consumption is low, the yield is high, and the metal-loaded photocatalyst provided by the invention can effectively improve the urea photosynthesis efficiency. Experiments prove that the Ga-coated Cu3-DHzOMe-COF material has excellent performance of photocatalytic synthesis of urea, and the urea yield can reach 51 [mu] g.g <-1 >. H <-1 > under the irradiation of visible light.

The invention discloses a bionic photocatalytic liposome system for carbon dioxide reduction and hydrogen evolution, and belongs to the technical field of artificial photosynthesis and catalytic materials. The system comprises a long-chain alkyl modified ruthenium complex photosensitizer, a long-chain alkyl modified tetrabipyridine cobalt catalyst and liposome vesicles formed by self-assembly of phospholipid. The photosensitizer and the catalyst are embedded into the vesicle membrane through a hydrophobic chain, and spatial ordered arrangement is realized in a water phase. Under the irradiation of visible light, the system takes sodium ascorbate as an electron donor and can efficiently catalyze carbon dioxide to be reduced into carbon monoxide; under the argon atmosphere, proton reduction hydrogen evolution can be efficiently catalyzed. The system simulates the space separation and electron directional transfer functions of a membrane system in natural photosynthesis, effectively improves the charge separation efficiency, and provides a new way for constructing an integrated artificial photosynthesis platform.

The present invention provides an oxygen-evolving catalyst that can achieve high catalytic activity, or furthermore, high durability, under alkaline conditions, and a method for producing the same. [Solution] The oxygen evolution catalyst is a boride containing at least boron and having an icosahedral boron cluster made up of 12 boron atoms. x Al y B 14+z (A = alkali metal or alkaline earth metal, 0 ≤ x ≤ 1.0, 0.7 ≤ y ≤ 1.0, -1.0 ≤ z ≤ 1.0) or A x B 29+y (0≦x<2.0, -1.0≦y≦1.0). This oxygen-evolving catalyst contains at least alkali metal or alkaline earth metal cations and boron, and is obtained by removing at least some of the cations from a boride having an icosahedral boron cluster consisting of 12 boron atoms. Alkali metals include Na, Li, K, etc., and alkaline earth metals include Mg, Be, Ca, etc.