JPS595573A - Fuel supply method for liquid fuel battery - Google Patents

Abstract

PURPOSE:To eliminate the need for a cylinder and reduce the weight and volume and then uniformly supply liquid fuel to the fuel chamber of each unit battery by providing a fuel pump and a pressure regulating while being linked directly with the laminated battery of a liquid static type liquid battery and an electromagnetic opening and closing valve at the reverse side. CONSTITUTION:An electromagnetic opening and closing valve 3' exhausts cracked gas generated by the self-decomposition of fuel in a fuel supply path provided in a laminated battery 4. When the fuel in the laminated battery 4 is consumed, an electromagnetic opening and closing valve 3 is opened and at the same time the electromagnetic opening and closing valve 3' is opened and then the cracked gas in the fuel supply path is removed. Then, when the electromagnetic opening and closing valve 3' is closed, the liquid fuel is supplied to the fuel chamber of each unit battery that constitutes the laminated battery 4. The voltage of the laminated battery is restored to the normal value, but when the fuel concentration in the fuel chamber is restored up to the preset value, the electromagnetic opening and closing valve 3 is closed and the supply of the liquid fuel is stopped. That is, since the pressurized gas for fuel supply is not required, any high pressure cylinder is not required.

Description

[Detailed Description of the Invention] The present invention provides a mixed solution of fuel and electrolyte (hereinafter referred to as "anolyte").
) into the fuel chamber, the electrolyte into the electrolyte chamber,
The present invention relates to a method of supplying fuel to a fuel cell using a static liquid that supplies only fuel to a fuel chamber.

Liquid stationary liquid reactor fuel cells do not have a system for circulating anolite like conventional liquid fuel cells, so it is not possible to supply fuel into the cell by mixing it with anolite, and only liquid fuel can be added to the academic room. A pressure supply method is used. FIG. 1 is a system diagram showing a conventional liquid fuel supply method employed in the operation of a static liquid fuel cell.

The fuel stored in the fuel tank 1 is pressurized by inert gas 2, and the electromagnetic on-off valve 3 is opened and closed.
Fuel is then supplied to the stacked battery 4. Air (oxygen) required for reaction 1 is supplied to the stacked type/lh4 by an air blower 51.

This conventional method requires a cylinder if the storage pressure of the tank for storing the inert gas λ is high, so it has the disadvantage of an increase in weight and volume when a static liquid fuel cell is put into practical use. Ta.

The present invention directly connects a combustion engine, a combustion engine, and an electromagnetic opening/closing valve to a stacked battery of a stationary liquid battery in the above-mentioned order, and further includes a combustion bypass valve and a pressure regulating valve. This method overcomes the drawbacks of the conventional method by providing an electromagnetic shut-off valve on the side opposite to the fuel Lf U': supply of the stacked battery.

FIG. 2 is a system diagram showing a method of supplying liquid to one liquid stationary type battery according to the present invention.

Liquid (?, 1) is stored in the fuel tank 11, and when the electromagnetic on-off valve 3 is closed, it is pressurized by the liquid pump 6 and the pressure regulating valve 71. This is for discharging decomposed gas generated by self-decomposition of fuel in the mf1 supply passage provided in mf1.
Connected. Now, the furnace in the laminated voltage 124) 4
When the liquid is completely exhausted, the electromagnetic on-off valve 3 is opened, and at the same time, the electromagnetic on-off valve 3' is opened to remove the decomposed scum in the liquid supply passage. Then, when the electromagnetic on-off valve 3' is closed, the liquid F L+ is supplied to the furnace fl chamber of each unit battery constituting the stacked battery 4. When the voltage of the stacked battery returns to a certain value or the fuel concentration in the fuel chamber returns to a predetermined value, the electromagnetic on-off valve 3 closes and the supply of fluid to the IJ is stopped. can reduce weight and volume,
It also has the advantage of being able to uniformly supply liquid fuel to the vjFl chamber of each unit cell, so stable battery output can be obtained, making it a viable option for practical application. cormorant

[Brief explanation of the drawing]

Figure 1 is a system diagram showing the method of supplying liquid fuel used in a conventional liquid stationary liquid smoker. Systematic diagram 6-1 (Fly'11'7/force, 2 is unbalanced?f sacrifice4''2.3.
3' is N release on/off valve, 4 is "; layer T song, 5I empty tab [
... 7.6 is tpJ STUDIO/-", 7 is II force adjustment valve holder n person P1 Kobe Electric Co., Ltd.

Claims (1)

[Claims] A unit 11 having a fuel electrode and an oxidizer electrode sandwiching an electrolyte chamber, a fuel chamber on the side opposite to the electrolyte chamber of the furnace electrode, and an oxidizer chamber on the side opposite to the electrolyte chamber of the oxidizer electrode. A liquid fuel cell 1 is provided that supplies only fuel to each fuel chamber through a porous body to a cell or a stacked battery in which a plurality of these unit cells are stacked,
A fuel supply device consisting of a fuel pump, a bypass of the fuel pump, a pressure regulating valve provided on the bypass, and a fuel tank is provided on the fuel inlet side of the unit cell or stacked battery, and a fuel outlet of the unit cell or stacked battery is provided. A fuel supply method for a liquid fuel cell, characterized in that an electromagnetic or electric on-off valve for discharging decomposed gas is provided on the side to supply fuel under pressure.