12 results about "Tubular solid oxide fuel cell" patented technology

The application discloses a porous tubular methanol solid oxide fuel cell with a closed end, which is a tubular solid oxide fuel cell (SOFC) cell stack, and a plurality of tubular SOFC single cells are contained in the tubular SOFC cell stack; the bottom end of the inner tube of the tubular SOFC single cell is open, the top end is closed, the inner tube wall is provided with a plurality of closed sections and a plurality of open sections, and the plurality of closed sections and the plurality of open sections are arranged alternately in sequence along the moving direction of fuel in the inner tube. The inner tube structure of the tubular SOFC single cell can effectively improve the uniformity of the distribution of methanol on the anode surface of the solid oxide fuel cell, thereby effectively overcoming the serious problem of carbon deposition caused by the uneven distribution of methanol on the anode surface of the solid oxide fuel cell.

This invention belongs to the field of catalyst technology, specifically relating to a multi-metal-doped cerium oxide catalyst and its preparation and application. The catalyst comprises a γ-Al₂O₃ support and an active component supported thereon, wherein the chemical formula of the active component is Ni. a Fe b Ru c Co d Ce1 a b c d O 2‑δ Wherein, 0.05≤a≤0.1, 0.04≤b≤0.06, 0.04≤c≤0.06, 0≤d≤0.06, and a+b+c+d≤0.2. The catalyst is prepared by solution impregnation, by preparing a metal salt solution and impregnating it on a γ-Al2O3 support to obtain a sol with a complexing agent, which is then aged, dried, and calcined in stages. The catalyst is used in the steam reforming reaction of aviation kerosene (n-dodecane simulation), and can achieve 100% catalytic conversion at 700 °C, without deactivation after 100 h of continuous operation, exhibiting low-temperature activity and anti-carbon deposition performance; wherein Ni 0.05 Fe 0.05 Ru 0.05 Co 0.05 Ce 0.8 O 2‑δ When reformed gas drives a tubular solid oxide fuel cell, the power density reaches 830.90 mW / cm³. 2 It operates stably for 100 hours without significant degradation. The process of this invention is simple and cost-controllable, and it is applicable to the fields of hydrogen production from aviation kerosene reforming and SOFC coupled power generation.

The invention provides a transverse air inlet tubular solid oxide fuel cell stack. The stack comprises a housing; a plurality of tubular solid oxide fuel cells; the air inlet assembly is arranged outside the first side of the shell and is provided with a plurality of rows of air inlet holes which are formed in the axial direction parallel to the battery tubes of the plurality of tubular solid oxide fuel cells, and the plurality of rows of air inlet holes are communicated with the interior of the shell and are used for transversely feeding air into the battery tubes of the functional areas of the plurality of tubular solid oxide fuel cells; the air outlet assembly is arranged outside the second side of the shell, the air outlet assembly is provided with a plurality of rows of air outlet holes formed in the direction parallel to the axial direction of the battery tube, and the multiple rows of air outlet holes communicate with the interior of the shell and are used for discharging air which flows through the battery tube in the shell and is subjected to heat exchange and cooling with the battery tube. A transverse air inlet mode is adopted, heat convection between air and the battery tube is enhanced, air obtained by each single battery is uniformly distributed, the axial temperature gradient of the battery tube is small, and the pressure drop is low.

The application relates to a tubular solid oxide fuel cell power generation device based on a parallel connection mode, which comprises a fuel reforming bin, a fuel distribution bin and multiple groups of solid oxide fuel cells; the fuel reforming bin is provided with a fuel gas inlet hole and a fuel gas outlet hole; the fuel gas inlet hole is communicated with a fuel supply device through a fuel gas inlet pipe; the fuel gas outlet hole is also communicated with the fuel distribution bin through the fuel gas inlet pipe; the multiple groups of solid oxide fuel cells are arranged in parallel; the anode of the solid oxide fuel cell is connected through an anode connecting body, and the cathode is connected through a cathode connecting body; the anode connecting body and the cathode connecting body are both mounted on the fuel distribution bin; the fuel distribution bin is provided with a fuel gas inlet and a fuel gas outlet; the fuel gas inlet and the fuel gas outlet are respectively communicated with the anode and the cathode. The tubular solid oxide fuel cell power generation device has the advantages of simple structure, high stability and strong portability.

The present teachings relate to methods and systems for manufacturing tubular ceramic green bodies convertible to tubular solid oxide fuel cells.

Described herein are new solid oxide fuel cell interconnects and methods for making same that may comprise a novel bilayer construct on an anode substrate to provide a dense microstructure, low area specific resistance, and negligible oxygen permeability to form a bilayer ceramic interconnect that is a strong candidate for next-generation, durable, and low-cost tubular solid oxide fuel cells.

A testing device for tubular solid oxide fuel cells (SOFC) includes a housing within which the tubular SOFC is mounted. The housing includes suitable inlets and outlets to allow a fuel gas, such as hydrogen, and an oxidant, such as air or oxygen, to interact with the anode and cathode of the tubular SOFC. In addition, the housing is formed of suitable material for placement in a heating device, such as a tubular furnace or a miniature tubular heater. A temperature sensor and computing device may monitor the temperature of the tubular SOFC in order to control the operation of the tubular heating device. In addition, the device provides electrical current collectors for coupling to the anode and cathode of the SOFC, which may be removable and reusable.

Described herein are new solid oxide fuel cell interconnects and methods for making same that may comprise a novel bilayer construct on an anode substrate to provide a dense microstructure, low area specific resistance, and negligible oxygen permeability to form a bilayer ceramic interconnect that is a strong candidate for next-generation, durable, and low-cost tubular solid oxide fuel cells.

Provided in the present invention are a bamboo-joint tubular solid oxide fuel cell / electrolytic cell, a preparation method, and a battery / electrolytic cell stack and a preparation method. The bamboo-joint tubular solid oxide fuel cell / electrolytic cell comprises a ceramic support, a porous insulating layer on the surface of the ceramic support, and a cell assembly, wherein the cell assembly is formed by a first single cell and several other single cells distributed on the surface of the porous insulating layer in series in a fuel gas flowing direction; and a first insulating layer is provided between adjacent fuel electrodes in the cell assembly, a first connector and a second insulating layer are provided in sequence between adjacent electrolyte layers in a fuel flowing direction, and a third insulating layer is provided between adjacent air electrodes. The arrangement of the insulating layers can keep the single cells independent of one another, thereby improving the sealing performance of the single cells, and avoiding short circuits; and the first connector can longitudinally overlap with the fuel electrode and the air electrode of adjacent cell units, so as to vertically transmit the current from the fuel electrode of a cell unit to the air electrode of the adjacent cell unit by means of the connector, thus enabling the current between the cell units to be longitudinally transmitted by means of the connector, reducing the current transmission loss, and improving the battery performance.

The present teachings relate to modules and methods for making a tubular ceramic structure, which may be a tubular ceramic green body that can be transformed into a tubular solid oxide fuel cell.

The present invention relates to a method and system for producing tubular ceramic green bodies that can be converted into tubular solid oxide fuel cells.

The invention discloses a tubular solid oxide fuel cell power generation system. The system comprises a tubular solid oxide fuel cell stack, a pretreatment tube, a tail gas combustion part and a heat exchange system. The pretreatment pipe is arranged inside the cell stack, a transition layer (the firing temperature is 1000-1400 DEG C) and a catalyst layer (the firing temperature is 500-1100 DEG C, and active components are selected from at least two or more elements of Pt, Ru, Pd, Ni, Mo, Fe, Co and Cr) are arranged on a supporting pipe of the pretreatment pipe, and fuel reforming / partial oxidation and heat exchange can be carried out; a catalytic oxidation catalyst is arranged in the tail gas combustion part to realize complete combustion of tail gas; the heat exchange system adopts a multi-layer air flow channel design, so that tail gas waste heat fully preheats air. According to the system, through efficient thermal coupling of fuel treatment, electrochemical reaction, tail gas combustion and air preheating, system self-starting, uniform temperature control and energy recycling are achieved, and the power generation efficiency and the volume power density are greatly improved.