KR20230092051A - Drone using fuel cells - Google Patents

Abstract

The present invention drone body; A plurality of drive motors provided to rotate each of the propellers in the drone body; a fuel cell providing power necessary for driving the driving motor; a hydrogen supply unit supplying hydrogen necessary for driving the fuel cell; and an oxygen supplier supplying oxygen necessary for driving the fuel cell.
According to the present invention, the flight time can be extended due to the use of a fuel cell, which can help achieve the purpose of flight, and can be used for various purposes, and the power generation efficiency of a fuel cell can be improved By increasing the height, it is possible to fly and use for a longer period of time compared to drones using conventional fuel cells, and to prevent corrosion due to water-carbon reaction in the water electrolysis reaction to which high overvoltage is applied. The effect of making durability excellent have

Description

Drone using fuel cells

The present invention relates to a drone, and more particularly, to a drone using a fuel cell capable of enabling a longer flight and utilization by increasing the power generation efficiency of a fuel cell and converting the use of a fuel cell to water electrolysis. it's about

In general, drones are remotely controlled through a wireless communication method, developed for military purposes, and used for simple shooting practice. For example, drones are deployed to various disasters or accident areas, jungles, remote areas, or volcanic areas that are not easily accessible to people, and are used to grasp the situation on the site, rescue lives, or obtain broadcasting images, and are used by delivery companies to transport goods. It is operated for commercial purposes or applied to security and control services instead of surveillance cameras.

Recently, according to the generalization of drones, individuals also purchase drones for the purpose of hobbies. A general configuration of such a drone is composed of a plurality of fans that output lift, a battery that supplies power to the fans, and a controller. The fan is composed of a motor generating rotational force by power supplied from a battery and a propeller fixed to a drive shaft of the motor. One of the most important things in the operation of these drones is whether or not they can be operated for a long time. Most drones currently on the market do not have long flight times. This is because a lot of power is consumed to drive multiple propellers.

In order to improve this, a drone using a fuel cell has been developed and used. As a prior art related to this, a "hydrogen fuel cell drone" in Korean Patent Registration No. 10-2287434 has been proposed, which produces electricity by receiving hydrogen. A drone body in which a fuel cell stack is disposed; a plurality of wing parts generating lift for flight by receiving electricity from the fuel cell stack; and a plurality of frame-combined hydrogen containers storing hydrogen therein and supplying the hydrogen to the fuel cell stack, wherein the frame-combined hydrogen containers are radially protruded at predetermined intervals along the outer circumference of the drone body, , One end is connected to the drone body and the other end is connected to the wing, and the frame combined hydrogen container includes one or more unit containers; a body manifold coupled to one end of the unit container and mounted on the drone body; and a manifold for wing parts coupled to the other end of the unit container and mounted on the wing parts.

However, in this prior art, the arrangement structure of the fuel cell stack is not efficient, so stable installation, maintenance, and management of the fuel cell stack are inconvenient, and there is a need to increase the efficiency of the fuel cell stack, but no improvement measures have been proposed. has

In order to solve the problems of the prior art as described above, the present invention helps to achieve the purpose of flight by extending the flight time due to the use of a fuel cell, thereby enabling it to be used for various purposes, By increasing the power generation efficiency of the fuel cell, it is possible to fly and use for a longer period of time compared to drones using conventional fuel cells, and to prevent corrosion due to water-carbon reaction in water electrolysis reaction to which high overvoltage is applied. , the purpose is to have excellent durability.

Other objects of the present invention will be easily understood through the description of the following embodiments.

In order to achieve the above object, according to one aspect of the present invention, the drone body; A plurality of drive motors provided to rotate each of the propellers in the drone body; a fuel cell providing power necessary for driving the driving motor; a hydrogen supply unit supplying hydrogen necessary for driving the fuel cell; and an oxygen supplier supplying oxygen necessary for driving the fuel cell, wherein the fuel cell includes: a first end plate having a first hydrogen injection hole and a first oxygen injection hole; A second hydrogen injection hole and a second oxygen injection hole are provided in close contact with the rear side of the first end plate, a first electrode for connection is provided, and connected to the first hydrogen injection hole and the first oxygen injection hole, respectively. a hydrogen electrode current collector plate formed; a hydrogen dispersing unit provided on the first end plate and the hydrogen electrode collector plate and distributing hydrogen injected through the first oxygen injection hole to the hydrogen electrode collector plate; A first gas diffusion layer is provided in close contact with the rear side of the hydrogen electrode collector plate and is exposed in front and rear so that hydrogen is dispersed and contacted by the hydrogen dispersion unit, and is provided in each of the second hydrogen injection hole and the second oxygen injection hole. a first gasket in which a third hydrogen injection hole and a third oxygen injection hole connected thereto are formed; A fourth gasket closely adhered to the rear side of the first gasket, permeating positive ions, having a hydrogen electrode catalyst on the front side and an oxygen electrode catalyst on the rear side, and connected to the third hydrogen injection hole and the third oxygen injection hole, respectively. a membrane electrode assembly in which a hydrogen injection hole and a fourth oxygen injection hole are formed; A fifth hydrogen injection hole and a fifth oxygen injection hole connected to the fourth hydrogen injection hole and the fourth oxygen injection hole, respectively, having a second gas diffusion layer closely adhered to the rear side of the membrane electrode assembly and exposed in the front and rear directions. a second gasket formed thereon; Closely adhered to the rear side of the second gasket, a second electrode for connection is provided, and a sixth hydrogen injection hole and a sixth oxygen injection hole connected to the fifth hydrogen injection hole and the fifth oxygen injection hole, respectively, are formed. Oxygen electrode collector plate; a second end plate attached to a rear side of the oxygen electrode collector plate and having a seventh hydrogen injection hole and a seventh oxygen injection hole connected to the sixth hydrogen injection hole and the sixth oxygen injection hole, respectively; and an oxygen dispersing unit provided on the second end plate and the oxygen electrode collector plate and dispersing oxygen injected through the sixth oxygen injection hole into the second gas diffusion layer, wherein the fuel cell includes: It can also be used for a water electrolysis reaction to generate hydrogen and oxygen by injecting water through the first or seventh oxygen injection hole and supplying power through the first and second electrodes, A drone using a fuel cell is provided.

In the fuel cell, at least the hydrogen electrode collector plate, the first gasket, the membrane electrode assembly, the second gasket, the oxygen electrode collector plate, and the second end plate are continuously rearward of the second end plate. It is provided to be repeated one or more times. When the first gasket is in contact with the rear side of the second end plate, the hydrogen dispersion unit may be provided in the second end plate and the first gasket in contact with each other.

The hydrogen dispersing unit may include a first dispersion path formed to be open to the front and rear sides of the hydrogen electrode collector plate and connected to the second hydrogen injection hole to provide a path for dispersing hydrogen in the hydrogen electrode collector plate; and first dispersion grooves formed on the rear surface of the first end plate to coincide with the first dispersion path, wherein the oxygen dispersion part is formed with a plurality of holes open to the front and rear sides of the oxygen electrode collector plate. 2 dispersal pathways; and second distribution grooves connected to the seventh oxygen injection hole on the front surface of the second end plate and having a plurality of protrusions corresponding to the holes formed therein so as to inject oxygen into the second distribution path. can do.

The oxygen cathode catalyst uses a titanium powder carrier to facilitate water discharge and oxygen bubble discharge, and the titanium powder carrier includes platinum, iridium, ruthenium, platinum-iridium alloy, and platinum-ruthenium alloy corresponding to catalyst materials. At least one of them may be supported.

In the drone body, a pair of supports are provided to be spaced apart from each other for installation on the ground on the lower side, and the fuel cell loading part on which the fuel cell is loaded is located between the supports and is horizontally fitted into the horizontal part of each of the supports. It is fixed by being fitted by a part, and each of the hydrogen supply sub-mounting parts installed on each of the supports is fixed by being fitted into the vertical and horizontal parts of the support by vertical fitting parts and horizontal fitting parts, respectively, and the oxygen supply part is fixed. , a blower part and a suction part located on both sides of the fuel cell and mounted in the fuel cell loading part, wherein the blower part blows air to the fuel cell, and the suction part blows air with water from the fuel cell. can be inhaled to expel

According to the drone using the fuel cell according to the present invention, the flight time can be extended due to the use of the fuel cell, so that it can help achieve the purpose of flight, and can be used for various purposes. In addition, by increasing the power generation efficiency of the fuel cell, it is possible to fly and use for a longer time compared to conventional drones using fuel cells, and to prevent corrosion due to water-carbon reaction in water electrolysis reaction to which high overvoltage is applied. By enabling it, it has the effect of making it excellent in durability.

1 is a perspective view illustrating a drone using a fuel cell according to an embodiment of the present invention.
2 is a perspective view of a drone using a fuel cell according to an embodiment of the present invention from another direction.
3 is a perspective view illustrating an exploded view of a fuel cell of a drone using a fuel cell according to an embodiment of the present invention.
4 is a perspective view of a fuel cell of a drone using a fuel cell according to an embodiment of the present invention disassembled and shown from another direction.
5 illustrates a reaction in a water electrolysis mode and a reaction in a fuel cell mode for a fuel cell of a drone using a fuel cell according to an embodiment of the present invention.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, and should be understood in such a way as to include all changes, equivalents, or substitutes included in the technical spirit and scope of the present invention, and may be modified in various other forms. However, the scope of the present invention is not limited to the following examples.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, the same reference numerals will be assigned to the same or corresponding components regardless of reference numerals, and redundant descriptions thereof will be omitted.

1 is a perspective view showing a drone using a fuel cell according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a drone using a fuel cell according to an embodiment of the present invention from another direction.

1 and 2, a drone 10 using a fuel cell according to an embodiment of the present invention includes a drone body 100, a drive motor 200, a fuel cell 300, a hydrogen supply unit 400, and It may include oxygen supply units 510 and 520.

The drone main body 100 may have a branching portion 110 branching into a plurality of branches from the center, and a drive motor (not shown) is accommodated in each branching portion 110, so that each branching portion 110 propellers 200 ) can be installed to enable rotation. The drone main body 100 includes a sensor unit such as a speed sensor and an acceleration sensor for acquiring information such as speed, acceleration, and posture necessary for autonomous flight or maintaining an autonomous posture, GPS for calculating location information, and wireless communication with an external controller. A wireless communication unit for performing communication, and a control unit for controlling each driving motor (not shown) according to an operation signal of the controller may be provided.

The drone body 100 may be provided so that each of the pair of supports 120 is spaced apart from each other for installation on the ground on the lower side, and is located between the supports 120 to load the fuel cell 300 The part 130 can be fixed by being inserted into each horizontal part of the support 120 by the horizontal fitting part 131, and each of the hydrogen supply sub-loading parts 140 installed on each of the supports 120 is connected to the support 120. ) Can be fixed by being fitted into the vertical portion and the horizontal portion of the vertical fitting portion 141 and the horizontal fitting portion 142, respectively. Here, the horizontal fitting parts 131 and 142 and the fitting part 141 are made of a material having a restoring force against bending, so that they can be configured to exhibit a fixing force by the restoring force after fitting, and for more firm fixation, additional methods such as bolting By this, it may be detachably fixed to the support 120.

The drive motor 200 is provided to rotate each of the propellers 200 on the drone body 100. As in the present embodiment, the drive motor 200 can be accommodated perpendicularly to the inside of each branching part 110, and the upper side from the branching part 110 By fixing each of the propellers 200 to the rotational shaft protruding into, by the rotation of the propeller 200, it is possible to generate the propulsive force required for flight and direction change.

The fuel cell 300 provides power necessary for driving the driving motor 200, which will be described later with reference to the drawings.

The hydrogen supplier 400 supplies hydrogen as a fuel required for driving the fuel cell 300 . The hydrogen supplier 400 may be made of, for example, a hydrogen storage alloy, but is not necessarily limited thereto, and may be configured to store hydrogen in various ways.

The oxygen supply units 510 and 520 supply oxygen necessary for driving the fuel cell. To this end, for example, the blowers 510 located on both sides of the fuel cell 300 and mounted in the fuel cell loading unit 130, respectively. ) and a suction part 520, the blowing part 510 blows air to the fuel cell 300, and the suction part 520 discharges air together with water from the fuel cell 510. can be inhaled. The blowing unit 510 and the suction unit 520 may inject and discharge air into and out of the fuel cell by using pipes in which the blowing force and the suction force are respectively concentrated.

1 to 4 , the fuel cell 300 includes, for example, a first end plate 310, a hydrogen electrode collector plate 320, a hydrogen dispersion unit 331 and 332, a first gasket 340, It may include a membrane electrode assembly 350, a second gasket 360, an oxygen electrode collector plate 370, a second end plate 380, and oxygen dispersion units 391 and 392.

The first end plate 310 may be provided with a first hydrogen injection hole 311 and a first oxygen injection hole 312, respectively. Here, the first hydrogen injection hole 311 may be configured to receive hydrogen whose flow rate is controlled by the flow control unit 410 from the hydrogen supply unit 400 through a hydrogen supply tube (not shown). Here, a flow control valve controlled by a controller (not shown) may be used as the flow control unit 410 . In order to maintain strength and reduce weight, the first end plate 310 may be made of acrylic material, light metal similar thereto, or various synthetic resin materials.

The hydrogen electrode collector plate 320 is in close contact with the rear side of the first end plate 310, a first electrode 323 for connection may be provided, and a first hydrogen injection hole 311 and a first oxygen injection hole A second hydrogen injection hole 321 and a second oxygen injection hole 322 connected to each of 312 may be formed. The hydrogen electrode collector plate 320 may be a metal plate having properties similar thereto, including a copper plate, for electrical conductivity. Here, the rear side may refer to a rear side toward the rear end when the fuel cell 300 is divided into a front end and a rear end based on the direction in which each component is arranged, and may be applied to all embodiments below. In addition, close contact may mean tightness, and for this purpose, as in the present embodiment, it may be configured to be tightly fixed to each other using a plurality of bolts and nuts along the edge, but is not limited thereto, and is not limited thereto, and is not limited to each other using a bracket or the like. It may be configured to maintain close contact with the liver.

The hydrogen dispersion units 331 and 332 may be provided on the first end plate 310 and the hydrogen electrode collector plate 320, and hydrogen injected through the first oxygen injection hole 312 is supplied to the hydrogen electrode collector plate 320. to be dispersed The hydrogen dispersing unit 330 may be formed to be open to the front and rear sides of the hydrogen electrode collector plate 320, as in the present embodiment, and is connected to the second hydrogen injection hole 321 to form the hydrogen electrode collector plate 320. ), a first dispersion path 331 providing a path for dispersing hydrogen, and a first dispersion groove 332 formed to coincide with the first dispersion path 331 on the rear surface of the first end plate 310 can include The first dispersion path 331 and the first dispersion groove 332 may have a zigzag shape as in the present embodiment, but are not necessarily limited thereto, and may have various paths suitable for spraying.

The first gasket 340 may be adhered to the rear side of the hydrogen electrode collector plate 320, and a first gas diffusion layer; ) may be provided, and a third hydrogen injection hole 342 and a third oxygen injection hole 343 connected to the second hydrogen injection hole 321 and the second oxygen injection hole 322 may be formed. . For example, as in the present embodiment, the edge of the first gasket 340 except for the first gas diffusion layer 341 may be made of a sealable material such as silicon or rubber, and the first gas diffusion laser 341 may Of course, it may be made of various materials having electron transmission or conductivity, including carbon paper.

The membrane electrode assembly 350 adheres to the rear side of the first gasket 340, transmits positive ions, has a hydrogen electrode catalyst 351 on the front side and an oxygen electrode catalyst 352 on the rear side, and has a third hydrogen injection A fourth hydrogen injection hole 353 and a fourth oxygen injection hole 354 connected to the hole 342 and the third oxygen injection hole 343 may be formed. As described above, each of the front and rear surfaces may refer to a front facing surface and a rear facing surface based on a direction in which each component of the fuel cell 300 is arranged. Here, the hydrogen electrode catalyst 351 is an electrode material of the catalyst and may be formed by coating platinum (Pt) particles on carbon black.

The oxygen electrode catalyst 352 may use a titanium powder carrier to facilitate water discharge and oxygen bubble discharge. The titanium powder carrier may be platinum, iridium, ruthenium, platinum-iridium alloy, or platinum-ruthenium alloy corresponding to catalyst materials. At least one of them may be supported. The oxygen electrode catalyst 352 may be physically mixed and supported with the titanium powder carrier, and may be manufactured such that all carbon materials are excluded during the catalyst slurry preparation process using the Nafion ionomer binder (Nafion sol). The catalytic material may be nano or micro sized, and the titanium powder carrier may be 5 to 200 times the size of the catalytic material. When physically mixed with the titanium powder carrier to form a catalyst layer, the amount of the catalyst material supported on the titanium powder carrier is 01 to 1 mg/cm ² , and 50 to 99% by weight based on the total weight of the titanium powder carrier. can be

The second gasket 360 may be in close contact with the rear side of the membrane electrode assembly 350, may have a second gas diffusion layer 361 exposed in front and rear, and may have a fourth hydrogen injection hole 353 and a fourth oxygen injection layer. A fifth hydrogen injection hole 362 and a fifth oxygen injection hole 363 connected to each of the holes 354 may be formed. For example, as in the present embodiment, the edge of the second gasket 360, except for the second gas diffusion layer 361, may be made of a sealable material such as silicon or rubber, and the second gas diffusion laser 361 may Of course, it may be made of various materials having electron transmission or conductivity, including carbon paper.

The oxygen electrode collector plate 370 may be in close contact with the rear side of the second gasket 360, a second electrode 373 for connection may be provided, and a fifth hydrogen injection hole 362 and a fifth oxygen injection hole ( 363) a sixth hydrogen injection hole 371 and a sixth oxygen injection hole 372 connected thereto may be formed. For the oxygen electrode collector plate 370, for example, a copper plate or a metal plate having properties similar thereto may be used for electrical conductivity.

The second end plate 380 may be in close contact with the rear side of the oxygen electrode collector plate 370, and the seventh hydrogen injection hole 381 connected to the sixth hydrogen injection hole 371 and the sixth oxygen injection hole 372, respectively. And a seventh oxygen injection hole 382 may be formed. In addition, the second end plate 380 may be made of acrylic material, light metal similar thereto, or various synthetic resin materials in order to maintain strength and reduce weight.

The oxygen dispersion units 391 and 392 may be provided on the second end plate 380 and the oxygen electrode collector plate 370, and oxygen injected through the sixth oxygen injection hole 371 is supplied to the second gas diffusion layer 361. can be distributed. The oxygen dispersing units 391 and 392 include, for example, the second dispersing path 391 formed with a plurality of holes so as to be open to the front and rear sides of the oxygen electrode collector plate 370, as in the present embodiment, and the front surface of the second end plate 380. It is connected to the seventh oxygen injection hole 382 and includes a second distribution groove 392 in which a plurality of projections 393 corresponding to each hole are formed on the inside so as to spray oxygen into the second distribution path 391. can do. Here, the second dispersion path 391 is formed such that holes having different diameters or widths are two-dimensionally arranged, so that oxygen can be dispersed toward the second gas diffusion layer 361 . A plurality of protrusions 393 are formed inside the second dispersion groove 392 to guide oxygen through the seventh oxygen injection hole 382 to be dispersed toward the hole side of the second injection path 391 .

The fuel cell 300 may be composed of a plurality of cells by arranging a plurality of the above components, and FIGS. 3 and 4 exemplarily show that the fuel cell 300 is composed of two cells for better understanding. When the fuel cell 300 is composed of a plurality of cells, an end plate interposed in the middle, for example, the second end plate 380 serves to connect the cells to each other. To this end, the second end plate 380 ), the hydrogen electrode collector plate 320, the first gasket 340, the membrane electrode assembly 350, the second gasket 360, the oxygen electrode collector plate 370, and the second end plate 380 are placed on the rear side of the It may be provided to repeat at least one or more consecutively, but when the first gasket 340 is in contact with the rear side of the second end plate 380, prior to the second end plate 380 and the first gasket 340 in contact with each other The described hydrogen dispersion units 331 and 332 may be provided.

The fuel cell 300 is separated from the drone body 100, injects water through the first or seventh oxygen injection holes 312 and 382, and supplies power through the first and second electrodes 323 and 373. , For a water electrolysis reaction to generate hydrogen and oxygen so that hydrogen is discharged through the first or seventh hydrogen injection holes 311 and 381 and oxygen is discharged through the first or seventh oxygen injection holes 312 and 382 It can also be used as .

According to the drone using the fuel cell according to the present invention, the fuel cell 330 is injected with hydrogen by the hydrogen supply unit 400 through the hydrogen injection holes 311 and 381 at both ends, and one of the oxygen injection holes ( When the blower 510 injects air through 312, DC power generated through the first and second electrodes 323 and 373 by the action of the membrane electrode assembly 350 is provided, and the oxygen injection hole at the other end ( 382), so that water is discharged together with air by suction of the suction part 520. Meanwhile, the cells of the fuel cell 300 may be connected in series to provide generated DC power to a driving motor for rotational driving of the propeller 200 .

Referring to FIG. 5 , a reaction in the water electrolysis mode and a reaction in the fuel cell mode by the fuel cell 300 provided in the drone 10 using the fuel cell according to the present invention are shown. This corresponds to Formulas 1 and 2 below.

[Formula 1]

Ely : 2H ₂ O + electricity -> 2H ₂ +O ₂

[Formula 2]

FC : 2H ₂ + O ₂ -> 2H ₂ O + electricity

As in Formula 1, in the water electrolysis mode, DC power and water are supplied, and oxygen gas and hydrogen gas are generated. And, as in Chemical Formula 2, in the fuel cell mode, the supplied fuel becomes hydrogen gas and oxygen gas, and DC power and water are generated at that time.

As described above, the present invention can help achieve the purpose of flight by extending the flight time due to the use of the fuel cell, and thus can be used for various purposes.

In addition, the present invention can increase the power generation efficiency of the fuel cell, so that it can fly and use for a longer time than conventional drones using fuel cells.

In addition, the present invention has excellent durability by preventing corrosion due to a water-carbon reaction in a water electrolysis reaction in which a high overvoltage is applied.

As described above, the present invention has been described with reference to the accompanying drawings, but various modifications and variations can be made without departing from the technical spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, and should be defined by not only the claims to be described later, but also those equivalent to these claims.

100: drone body 110: branching part
120: support 130: fuel cell loading part
131: horizontal fitting part 140: hydrogen supply non-loading part
141: vertical fitting part 142: horizontal fitting part
200: propeller 300: fuel cell
310: first end plate 311: first hydrogen injection hole
312: first oxygen injection hole 320: hydrogen electrode collector plate
321: second hydrogen injection hole 322: second oxygen injection hole
323: first electrode 331,332: hydrogen dispersion unit
331: first dispersion path 332: first dispersion groove
340: first gasket 341: first gas diffusion layer
342: third hydrogen injection hole 343: third oxygen injection hole
350: membrane electrode assembly 351: hydrogen electrode catalyst
352: oxygen electrode catalyst 353: fourth hydrogen injection hole
354: 4th oxygen injection hole 360: 2nd gasket
361: second gas diffusion layer 362: fifth hydrogen injection hole
363: fifth oxygen injection hole 370: oxygen electrode collector plate
371: 6th hydrogen injection hole 372: 6th oxygen injection hole
373: second electrode 380: second end plate
381: 7th hydrogen injection hole 382: 7th oxygen injection hole
391,392: oxygen dispersing unit 391: second dispersing path
392: second dispersion groove 393: protrusion
400: hydrogen supply unit 410: flow control unit
510,520: oxygen supply unit

Claims (5)

drone body;
A plurality of drive motors provided to rotate each of the propellers in the drone body;
a fuel cell providing power necessary for driving the driving motor;
a hydrogen supply unit supplying hydrogen necessary for driving the fuel cell; and
An oxygen supply unit supplying oxygen necessary for driving the fuel cell;
The fuel cell,
a first end plate having a first hydrogen injection hole and a first oxygen injection hole, respectively;
A second hydrogen injection hole and a second oxygen injection hole are provided in close contact with the rear side of the first end plate, a first electrode for connection is provided, and connected to the first hydrogen injection hole and the first oxygen injection hole, respectively. a hydrogen electrode current collector plate formed;
a hydrogen dispersing unit provided on the first end plate and the hydrogen electrode collector plate and distributing hydrogen injected through the first oxygen injection hole to the hydrogen electrode collector plate;
A first gas diffusion layer is provided in close contact with the rear side of the hydrogen electrode collector plate and is exposed in front and rear so that hydrogen is dispersed and contacted by the hydrogen dispersion unit, and is provided in each of the second hydrogen injection hole and the second oxygen injection hole. a first gasket in which a third hydrogen injection hole and a third oxygen injection hole connected thereto are formed;
A fourth gasket closely adhered to the rear side of the first gasket, permeating positive ions, having a hydrogen electrode catalyst on the front side and an oxygen electrode catalyst on the rear side, and connected to the third hydrogen injection hole and the third oxygen injection hole, respectively. a membrane electrode assembly in which a hydrogen injection hole and a fourth oxygen injection hole are formed;
A fifth hydrogen injection hole and a fifth oxygen injection hole connected to the fourth hydrogen injection hole and the fourth oxygen injection hole, respectively, having a second gas diffusion layer closely adhered to the rear side of the membrane electrode assembly and exposed in the front and rear directions. a second gasket formed thereon;
Closely adhered to the rear side of the second gasket, a second electrode for connection is provided, and a sixth hydrogen injection hole and a sixth oxygen injection hole connected to the fifth hydrogen injection hole and the fifth oxygen injection hole, respectively, are formed. Oxygen electrode collector plate;
a second end plate attached to a rear side of the oxygen electrode collector plate and having a seventh hydrogen injection hole and a seventh oxygen injection hole connected to the sixth hydrogen injection hole and the sixth oxygen injection hole, respectively; and
An oxygen dispersion unit provided on the second end plate and the oxygen electrode collector plate to disperse oxygen injected through the sixth oxygen injection hole into the second gas diffusion layer;
The fuel cell,
It can also be used for a water electrolysis reaction to generate hydrogen and oxygen by injecting water through the first or seventh oxygen injection hole and supplying power through the first and second electrodes, Drones using fuel cells. The method of claim 1,
The fuel cell,
At least one of the hydrogen electrode collector plate, the first gasket, the membrane electrode assembly, the second gasket, the oxygen electrode collector plate, and the second end plate is provided to be continuously repeated on the rear side of the second end plate. However, when the first gasket is in contact with the rear side of the second end plate, the hydrogen dispersion unit is provided on the second end plate and the first gasket that are in contact with each other. According to claim 1 or claim 2,
The hydrogen dispersion unit,
a first dispersion path formed to be open to the front and rear sides of the hydrogen electrode collector plate and connected to the second hydrogen injection hole to provide a path for dispersing hydrogen in the hydrogen electrode collector plate; and
A first distribution groove formed on the rear surface of the first end plate to coincide with the first distribution path;
The oxygen dispersion unit,
a second dispersion path formed with a plurality of holes so as to be open to the front and rear sides of the oxygen electrode collector plate; and
a second distribution groove connected to the seventh oxygen injection hole on the front surface of the second end plate and having a plurality of protrusions corresponding to the holes formed therein so as to inject oxygen into the second distribution path;
Including, a drone using a fuel cell. According to claim 1 or claim 2,
The oxygen electrode catalyst,
A titanium powder carrier is used to facilitate water discharge and oxygen bubble discharge,
The titanium powder carrier,
A drone using a fuel cell that supports at least one of platinum, iridium, ruthenium, platinum-iridium alloy, and platinum-ruthenium alloy corresponding to a catalytic material. According to claim 1 or claim 2,
The drone body,
A pair of supports are provided to be spaced apart from each other for installation on the lower side, and a fuel cell loading part in which the fuel cell is loaded is located between the supports and is inserted into the horizontal portion of each support by a horizontal fitting part. It is fixed by being fixed, and each of the hydrogen supply unit mounting parts installed on each of the supports is fixed by being fitted into the vertical and horizontal parts of the support by vertical fitting parts and horizontal fitting parts, respectively,
The oxygen supply unit,
A blowing part and a suction part located on both sides of the fuel cell and mounted in the fuel cell mounting part, the blowing part blowing air to the fuel cell, and the suction part supplying air together with water from the fuel cell. A drone that uses a fuel cell that draws in to exhale.

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