Power generation unit, battery stack and assembly method of tubular solid oxide fuel cell
A solid oxide, power generation unit technology, applied in solid electrolyte fuel cells, fuel cell grouping, fuel cells, etc., can solve the problems of difficult preparation of ceramic connectors and high cost, and achieve easy power size, strong fault tolerance, and easy maintenance. Effect
Active Publication Date: 2016-04-20
DONGFANG TURBINE CO LTD +1
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Problems solved by technology
However, the preparation of ceramic connectors is difficult and the problem of high cost is difficult to solve
Method used
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Embodiment 1
[0056] Such as Figure 3-5 As shown, it is a tubular SOFC cell stack composed of 48 single cells 5, taking this as an example to describe the structure and assembly method of the present invention in detail.
[0057] Assembly of SOFC power generation unit:
[0058] 1) Prepare the anode collector foam nickel;
[0059] 2) Prepare the anode air intake copper pipe and air outlet stainless steel pipe;
[0060] 3) Anode assembly and current collection: inject the anode current collection slurry into the tube of the single cell 5, fully wet the tube wall and pour it out;
[0061] 4) Wrap the nickel foam on the anode intake copper pipe. Note that the opening where the copper pipe penetrates into the battery tube must be wrapped with foam nickel to prevent the slurry from entering the copper pipe and blocking it. While smearing the slurry on the nickel foam, insert the anode intake copper tube into the tube of the single cell 5 until the end of the anode intake copper tube touches t...
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The invention provides a power generating unit of a tubular solid oxide fuel cell, a cell stack and an assembling method of the power generating unit. The power generating unit comprises a single cell, an alloy substrate, a fuel gas inlet pipe and a burning tail gas outlet pipe, wherein the alloy substrate is provided with a cavity body penetrating through two ends of the alloy substrate, one end of the cavity body is used for the bottom of the single cell to insert, the other end of the cavity body is provided with two independent sockets respectively corresponding to the fuel gas inlet pipe and the burning tail gas outlet pipe; two ends of the cavity body of the alloy substrate are respectively provided with an air-tight seal device. The cell stack consists of a plurality of power generating modules in series connection, each power generating module consists of a plurality of power generating units which are connected with one another, the power generating units are arranged in a dot matrix form, all power generating units in the same row are serially connected with one another, and the power generating units in every two adjacent rows are connected with one another in parallel. The single cell is an independent power generating unit, fuel tail gas is nonflammable and reusable, no precious metal conducting wire is used, and the cost is low. The cell stack is simple in structure, strong in stability, strong in fault-tolerant capacity and easy to maintain.
Description
technical field [0001] The invention relates to the field of fuel cell applications, in particular to a structural design, sealing, connection method and assembly method of a tubular solid oxide fuel cell power generation unit and a cell stack. Background technique [0002] Fuel cell is a new type of energy technology, which is characterized by high efficiency, cleanliness, safety and reliability. In addition to the common advantages of general fuel cells, solid oxide fuel cells (SOFCs) are more efficient and have fuel universality. Its all-solid-state, modular design also allows it to meet a variety of application needs from small portable power supplies to large power generation equipment. Since the operating voltage of SOFC single cells is only about 1V, in practical applications, the single cells need to be assembled into electric stacks to increase the output voltage and output power. Due to the surface characteristics of the curved surface, the current collection of ...
Claims
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IPC IPC(8): H01M8/10H01M8/24H01M8/04H01M8/04089H01M8/1007H01M8/2404H01M8/241H01M8/2457
CPCY02E60/50
Inventor 王焱王绍荣禹争光邵乐郑谦梁君林亮
Owner DONGFANG TURBINE CO LTD