摘要:
The present invention discloses the use of a metal nanoparticle which comprises at least one semiconductor attached to it, wherein the at least one semiconductor is an atomic quantum cluster (AQC) consisting of between 2 and 55 zero-valent transition metal atoms, as photocatalysts in photocatalytic processes and applications thereof.
摘要:
Embodiments of the present disclosure provide for polynuclear manganese cluster compounds, methods of making, methods of use, method of producing hydrogen and oxygen from water, and the like.
摘要:
Procedimiento de obtención de oxígeno por oxidación de agua que comprende someter dicha agua a la acción de un agente oxidante en presencia de un compuesto de fórmula (I) o (Γ), o un diastereoisómero del mismo o una mezcla de dichos diastereoisómeros; o un homodímero de los compuestos de fórmula (I) o (Γ), un diastereoisómero del mismo, o una mezcla de dichos diastereoisómeros. (I) (I') donde R i a R 11 son radicales que toman distintos valores.
摘要:
To provide a sulfur trioxide decomposition catalyst, in particular, a sulfur trioxide decomposition catalyst capable of lowering the temperature required when producing hydrogen by an S-I cycle process. A sulfur trioxide decomposition catalyst comprising a composite oxide of tungsten, vanadium and at least one metal selected from the group consisting of transition metal and rare earth elements is provided. Also, a sulfur dioxide production process comprising decomposing sulfur trioxide into sulfur dioxide and oxygen by using the sulfur trioxide decomposition catalyst above, is provided. Furthermore, a hydrogen production process, wherein the reaction of decomposing sulfur trioxide into sulfur dioxide and oxygen by an S-I cycle process is performed by the above-described sulfur dioxide production process, is provided.
摘要:
A steam generation system delivers heats water and carbon dioxide at high temperatures in the presence of one or more plasma arc torches and converts the materials into hydrogen and carbon monoxide. The converted gas is delivered to a heat recovery steam generator ("HRSG") to produce steam, which may be used to power a steam turbine. Depending on the amount of steam and/or power desired, the system may use a control system to vary the flow, temperature and pressure of the gas delivered to the HRSG. The control system may do this by bringing additional torches on-line or off-line in the processing chamber, by adding unheated gas directly from a supply source, shunting the gas from the HRSG, and varying the flow of water delivered to the HRSG.
摘要:
The present invention generally relates to nanostructures and compositions comprising nanostructures, methods of making and using the nanostructures, and related systems. In some embodiments, a nanostructure comprises a first region and a second region, wherein a first photocatalytic reaction (e.g., an oxidation reaction) can be carried out at the first region and a second photocatalytic reaction (e.g., a reduction reaction) can be carried out at the second region. In some cases, the first photocatalytic reaction is the formation of oxygen gas from water and the second photocatalytic reaction is the formation of hydrogen gas from water. In some embodiments, a nanostructure comprises at least one semiconductor material, and, in some cases, at least one catalytic material and/or at least one photosensitizing agent.
摘要:
A gas, comprising deuterium gas (D2), hydrogen gas (H2), or a gas of their isotope (HD), singly or in combination, is dissolved into a metal comprising an alloy of palladium with boron, carbon, oxygen, or any combination thereof. The temperature is about 400°C to about 1065°C, and the gas pressure is about 0.1 atmospheres to about 1000 atmospheres. The metal consists of a single phase. An electric field, magnetic field, or ultrasonic excitation is applied to the metal.
摘要:
Provided are a photocatalyst having higher activity for hydrogen production through water splitting and a photoelectrode comprising the photocatalyst. The photocatalyst for water splitting of the present invention comprises a Ga selenide, an Ag-Ga selenide, or both thereof.