JP2009176463A - Performance evaluation device of fuel cell - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a performance evaluation device of a fuel cell capable of evaluating an object for evaluation with high precision and high efficiency. <P>SOLUTION: A plurality of current-collecting parts 2 each equipped with a pair of collectors 6 pinching an object for the evaluation of a fuel cell are aligned in a direction of pinching the object, and weighted points 3 are interposed between adjacent collectors 2, so that the adjacent collectors 2 transmit the weighting via the weighted parts 3. Then, at least one of the paired collectors 2 is made to movable in a direction crossing the alignment direction. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a performance evaluation device for a polymer electrolyte fuel cell.

  A general polymer electrolyte fuel cell includes a module (also referred to as a cell stack) in which a plurality of single cells are connected in series. A single cell is generally composed of a solid polymer membrane (electrolyte), a catalyst layer (anode) laminated on one side of the solid polymer membrane, and a catalyst layer (cathode) laminated on the other side of the solid electrolyte membrane. And a membrane-electrode assembly (MEA) are sandwiched between a pair of separators. In general, a diffusion layer is laminated between the MEA and the separator. The diffusion layer is a layer for supplying the reaction gas while diffusing into the catalyst layer. Since the electrode is configured in cooperation with the catalyst layer, the diffusion layer may be regarded as a part of the electrode. The separator has a gas flow path for supplying a fuel gas such as hydrogen to the anode and a gas flow path for supplying an oxidizing gas such as air to the cathode, and also provides an electron flow path between adjacent cells. It is composed.

  Various devices for evaluating the performance of this type of polymer electrolyte fuel cell have been proposed (see, for example, Patent Documents 1 and 2).

  The fuel cell performance evaluation apparatus introduced in Patent Documents 1 and 2 is MEA or MEGA (laminated body of MEA and diffusion layer) placed under the same load and temperature conditions as in use, and the same reaction gas as in use. To evaluate the performance of the MEA, the flow path performance of the separator, and the like.

  In this fuel cell performance evaluation apparatus, an MEA or MEGA (hereinafter referred to as a fuel cell evaluation target product) is sandwiched between a pair of current collectors. The current collector corresponds to a separator in the fuel cell. Therefore, in order to evaluate the performance of the fuel cell with high accuracy, the current collector and the product to be evaluated need to be in close contact with each other.

  In Patent Document 2, instead of directly attaching the output wiring to the current collector, the current collector shaft connected to the current collector has a function as an output terminal, thereby suppressing the inclination of the current collector. A technique is disclosed in which an electric body and an evaluation target product are uniformly adhered (that is, the uneven contact between the current collector and the evaluation target product is suppressed).

By the way, in the fuel cell performance evaluation apparatus introduced in Patent Documents 1 and 2, one evaluation target product can be evaluated, but a plurality of evaluation target products cannot be evaluated simultaneously. Therefore, this type of fuel cell performance evaluation apparatus has a problem that it is difficult to improve the evaluation efficiency. In addition, in this type of fuel cell performance evaluation apparatus, it is difficult to evaluate the performance of a plurality of evaluation target products under the same conditions.
JP 2003-203667 A JP 2006-294463 A

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a fuel cell performance evaluation apparatus capable of evaluating an evaluation target product with high accuracy and efficiency.

  In the fuel cell performance evaluation apparatus of the present invention that solves the above-described problem, a current collector array in which a plurality of current collectors having a pair of current collectors sandwiching an evaluation target product of a fuel cell are arranged in the direction of sandwiching the evaluation target product And a pressure means for compressing the current collecting column part while being arranged in both ends of the current collecting column part and moving the current collecting part in the arrangement direction thereof, respectively interposed between adjacent current collecting parts, A pair of current collectors having a weighting point portion that moves in the arrangement direction when the pressurizing means compresses the current collecting row portion and transmits the load applied by the pressurizing means to the adjacent current collecting portions. At least one of these is characterized by being movable in a direction crossing the arrangement direction.

  The fuel cell performance evaluation apparatus of the present invention preferably includes any of the following (1) to (3). More preferably, a plurality of (1) to (3) are provided.

  (1) The current collector has a fixing means for fixing a relative position of the pair of current collectors.

  (2) The reference side current collector that is one of the current collectors that make a pair is movable only in the arrangement direction, and the side current collector that is the other of the current collectors that make a pair It is movable in the arrangement direction and the direction crossing the arrangement direction.

  (3) The weight point portion supports at least one of the current collectors adjacent to the weight point portion so as to be movable in a direction crossing the arrangement direction.

  The fuel cell performance evaluation apparatus of the present invention has a plurality of current collectors. Each current collector has a pair of current collectors that sandwich the product to be evaluated. A plurality of current collectors are arranged in the direction in which the evaluation target product is sandwiched. According to the fuel cell performance evaluation apparatus of the present invention, it is possible to simultaneously evaluate a plurality of evaluation target products by sandwiching different evaluation target products between the current collectors. For this reason, the evaluation efficiency of the evaluation target product is improved.

  In addition, by arranging a plurality of current collectors in the direction of sandwiching the evaluation target product (that is, arranging the current collectors in series), by transmitting the load applied by the pressurizing means to the adjacent current collectors, The same load is applied to each current collector. Therefore, according to the fuel cell performance evaluation apparatus of the present invention, a plurality of evaluation target products can be evaluated under the same conditions.

  By the way, when many evaluation object goods are evaluated simultaneously, the number of current collection parts increases. In this case, since the weight of the current collecting column part becomes large, the member supporting the current collecting column part may be bent. Then, it becomes difficult to arrange a plurality of current collectors linearly, and there is a possibility that the current collectors that make a pair are misaligned and the current collectors and the evaluation target product are biased. Further, when the number of current collecting units increases, the length of the current collecting column unit becomes longer. This also makes it difficult to linearly arrange a plurality of current collectors, and makes it difficult to linearly transmit the load applied by the pressurizing means between adjacent current collectors. In this case, there is a possibility that the current collector and the evaluation target product are unevenly contacted and it is difficult to apply a load of the same magnitude to each evaluation target product.

  The fuel cell performance evaluation apparatus of the present invention has a plurality of weighting points in addition to a plurality of current collectors. Each weight point is interposed between adjacent current collectors, and transmits a load applied by the pressurizing means (hereinafter simply referred to as a load) to adjacent current collectors. In other words, the current collectors adjacent to each other transmit the load via the weighted point. For example, when adjacent current collectors contact each other and transmit a load, other adjacent current collectors may be affected by the inclination of the current collector. However, according to the fuel cell performance evaluation apparatus of the present invention, the current collectors adjacent to each other transmit the load via the weighted point, so that the influence of the inclination of the current collector is affected by the other current collectors adjacent to each other. It becomes difficult to receive. For this reason, the uneven contact between the current collector and the evaluation target product can be suppressed.

  In addition, since at least one of the paired current collectors can be displaced in a direction crossing the arrangement direction, the current collectors forming a pair are misaligned with each other without the plurality of current collection units being linearly arranged. Even in this case, the opposing surfaces of the pair of current collectors can be made parallel. For this reason, the uneven contact between the current collector and the evaluation target product can be suppressed. Therefore, according to the fuel cell performance evaluation apparatus of the present invention, the uneven contact between the current collector and the evaluation target product can be suppressed with high reliability.

  The fuel cell performance evaluation apparatus of the present invention having the above (1) fixes the relative positions of the current collectors that make a pair by fixing means, so that the opposing surfaces of the current collectors that make a pair (hereinafter referred to as opposed) A pair of current collectors can be fixed in a state where the surfaces are called parallel. Therefore, the uneven contact between the current collector and the product to be evaluated can be suppressed with higher reliability.

  The fuel cell performance evaluation apparatus of the present invention comprising the above (2) suppresses movement of one of the paired current collectors (reference side current collector) in a direction other than the arrangement direction, and forms a pair of current collectors. By moving only the other side of the current collector (the side current collector) in a direction other than the arrangement direction, the opposing surfaces of the reference side current collector and the side current collector can be arranged in parallel to each other, and each evaluation The target product can be easily assembled to each current collector. For this reason, according to the fuel cell performance evaluation apparatus including the above (2), it is possible to evaluate the evaluation target product with high accuracy and further efficiency.

  The fuel cell performance evaluation apparatus according to the present invention having the above (3) can simplify the shape of the fuel cell performance evaluation apparatus because the weight point portion supports the current collector adjacent to itself. For this reason, the manufacturing cost of the fuel cell performance evaluation apparatus can be reduced.

  The fuel cell performance evaluation apparatus of the present invention may evaluate the performance of MEGA or the performance of MEA. For example, if the diffusion layer is attached to the evaluation target product side of the current collector, the performance of the MEA can be evaluated. In this case, the diffusion layer may be integrated with the current collector or may be removable from the current collector. The fuel cell performance evaluation apparatus of the present invention may simultaneously evaluate the same type of evaluation target product, or may simultaneously evaluate different types of evaluation target products. The current collector may be integrated with the current collector or may be removable from the current collector.

  The gas supply means for supplying the reaction gas to the evaluation target product, the output wiring for taking out the output voltage of the evaluation target product, the heating means for heating the evaluation target product to a predetermined temperature, etc. may be integrated in the current collector. However, it may be separate from the current collector. Similarly to the fuel cell performance evaluation apparatus introduced in Patent Document 2, a current collecting shaft may be provided in the current collecting section, and the gas supply means, output wiring, heating means, and the like may be integrated with the current collecting shaft.

  The current collector and current collector have the same configuration as the current collector and current collector in a general fuel cell performance evaluation apparatus (for example, the fuel cell performance evaluation apparatus introduced in Patent Documents 1 and 2). do it.

  The weighted point portion may be movable only in the arrangement direction, or may be movable in a direction crossing the arrangement direction and the arrangement direction. Further, the weighting point portion may be separate from the current collecting portion or may be integrated. If the weighted point part supports a part of the adjacent current collecting part (that is, the part including the current collector on the side adjacent to the weighted point part in the current collecting part), the shape of the fuel cell performance evaluation device can be changed. It can be simplified. If the weighting point is separate from the current collector, it is difficult to transmit the inclination of the current collector between adjacent current collectors. In order to more reliably suppress the transmission of the inclination of the current collector between adjacent current collectors, it is preferable that the cross section of the weighted point in the direction orthogonal to the arrangement direction is smaller than the facing surface.

  The weighted point portion may make point contact or surface contact with the current collecting portion adjacent to itself. When the weighted point part makes point contact with the current collector part, it is difficult to transmit the inclination of the current collector part to other adjacent current collector parts. it can.

  Hereinafter, the fuel cell performance evaluation apparatus of the present invention will be described with specific examples.

Example 1
The fuel cell performance evaluation apparatus of Example 1 includes the above (1) to (2). The fuel cell performance evaluation apparatus of Example 1 evaluates MEGA. 1 to 3 are side views schematically showing a fuel cell performance evaluation apparatus of Example 1. FIG. Hereinafter, the terms “upper”, “lower”, “front”, and “rear” refer to the upper, lower, front, and rear shown in FIG.

  The fuel cell performance evaluation apparatus 1 according to the first embodiment includes three current collectors 2, two weighting points 3, a pressurizing unit 4, and a guide unit 5.

  The guide means 5 is made of a metal rail extending in the front-rear direction. The pressurizing unit 4 includes a fixed-side pressurizing unit 41 fixed to the front end of the guide unit 5 and a driving-side pressurizing unit 42 fixed to the rear end of the guide unit 5. The fixed-side pressurizing unit 41 has a pressure receiving unit 410 that faces a front contact end 201 of the first current collector 21 described later. The rear surface of the pressure receiving portion 410 has a curved shape that bulges to the rear side. The driving-side pressurizing unit 42 has a pressurizing unit 420 that faces a rear contact end portion 200 of a third current collecting unit 23 described later. The front surface of the pressurizing unit 420 has a curved surface that bulges to the front side. The pressure unit 420 is movable in the front-rear direction.

  The three current collectors 2 (first current collector 21, second current collector 22, and third current collector 23) are the first current collector 21, the second current collector 22, and the third current collector 23. They are arranged from front to back. In the fuel cell performance evaluation apparatus 1 according to the first embodiment, the first current collector 21, the second current collector 22, and the third current collector 23 constitute a current collector column. The first current collector 21, the second current collector 22, and the third current collector 23 have the same shape.

  Each current collector 2 has a pair of current collectors 6 and a support member 7. The pair of current collectors 6 (the first current collector 61 and the second current collector 62) correspond to a pair of separators in the fuel cell. The first current collector 61 and the second current collector 62 are made of carbon. The first current collector 61 is disposed in front of the second current collector 62. The first current collector 61 is in contact with the anode side surface of the evaluation target product (MEGA) (not shown), and the second current collector 62 is in contact with the cathode side surface of the MEGA (not shown). The first current collector 61 has a gas flow path (not shown) for fuel gas. A gas flow path (not shown) for oxidizing gas is formed in the second current collector 62.

  The support member 7 has a pair of electrode support portions (first electrode support portion 71, second electrode support portion 72) and a pair of leg portions (first leg portion 73, second leg portion 74). The first electrode support portion 71 supports the first current collector 61, and the second electrode support portion 72 supports the second current collector 62. Further, the first electrode support portion 71 and the second electrode support portion 72 have screw holes (not shown). A fixing means 80 made of a bolt is attached to the screw hole. The first electrode support part 71 and the second electrode support part 72 can be fixed by the fixing means 80.

  The first electrode support portion 71 includes first supply means (not shown) for supplying fuel gas to the first current collector 61, output wiring (not shown) electrically connected to the first current collector 61, first It has a heating means (not shown) for heating the current collector 61. The second electrode support 72 includes second supply means (not shown) for supplying the oxidizing gas to the second current collector 62, output wiring (not shown) electrically connected to the second current collector 62, second It has a heating means (not shown) for heating the current collector 62.

  The first leg 73 and the second leg 74 are slidably attached to the guide means 5. The first electrode support portion 71 is fixed to the first leg portion 73. The upper end of the second leg 74 is spherical. The second electrode support portion 72 is provided with a hole having a shape corresponding to the upper end of the second leg portion 74, and the upper end of the second leg portion 74 is inserted into this hole portion. For this reason, the second electrode support portion 72 can swing around the upper end of the second leg portion 74. In other words, the second electrode support portion 72 is held floating with respect to the guide means 5. Hereinafter, a member in which the first electrode support portion 71 and the first leg portion 73 are integrated is referred to as a first split body 7a, and a member in which the second electrode support portion 72 and the second leg portion 74 are integrated is a second member. This is called the split 7b.

  The first weight point 31 that is one of the two weight points 3 is disposed between the first current collector 21 and the second current collector 22. The second weighting point portion 32, which is the other of the two weighting point portions 3, is disposed between the second current collecting portion 22 and the third current collecting portion 23. The first weighted point portion 31 and the second weighted point portion 32 have the same shape.

  Each weighted point portion 3 has a third leg portion 33 and a weighted main body portion 34. The third leg 33 is slidably attached to the guide means 5. The upper end of the third leg portion 33 has an axial shape extending in the vertical direction. The weighted body 34 has two weighted ends (a first weighted end 341 and a second weighted end 342). The first weighted end 341 is disposed on the front side, and the second weighted end 342 is disposed on the rear side. The front surface of the first weighted end 341 has a curved shape that bulges to the front side. The rear surface of the second weighted end 342 has a curved shape that bulges to the rear side. The weight main body 34 is provided with a hole having a shape corresponding to the upper end of the third leg 33, and the upper end of the third leg 33 is inserted into the hole. For this reason, the weighted main body 34 can swing around the upper end of the third leg 33.

  Hereinafter, the operation of the fuel cell performance evaluation apparatus 1 of Example 1 will be described.

  First, the 1st division body 7a and the 2nd division body 7b of each current collection part 2 are slid with respect to a slide rail part, and the 1st division body 7a and the 2nd division body 7b are spaced apart in the front-back direction. Then, the MEGA is sandwiched between the first current collector 61 and the second current collector 62 in each current collector 2. Then, the first electrode support portion 71 and the second electrode support portion 72 are fixed by the fixing means 80. At this time, the relative position between the first current collector 61 and the second current collector 62 is fixed. And the drive side pressurization part 42 is moved ahead, and the rear end part (rear contact end part 200) of the 3rd current collection part 23 is pressed ahead by the pressurization part 420. The third current collector 23 pressed by the pressure unit 420 slides forward, and presses the second weighted end 342 of the second weighted point 32 at the front end (front contact end 201). The second weight point 32 pressed by the third current collector 23 slides forward and presses the rear contact end 200 of the second current collector 22 with the first weight end 341. The second current collector 22 pressed by the second weight point 32 slides forward and presses the second weight end 342 of the first weight point 31 at the front contact end 201. The first weighted point portion 31 pressed by the second current collecting portion 22 slides forward and presses the rear contact end portion 200 of the first current collecting portion 21 by the first weighted end portion 341. The first current collector 21 pressed by the first load point 31 slides forward and comes into contact with the pressure receiving part 410 at the front contact end 201. For this reason, each current collector 2 and each weighted point 3 are compressed while moving in the arrangement direction (front-rear direction). Since each first load end portion 341, second load end portion 342, rear contact end portion 200 and front contact end portion 201 are arranged substantially coaxially, the load applied by the pressurizing means 4 corresponds to each. Is transmitted to the current collectors 2 adjacent to each other via the weighted point part 3 that performs the above. For this reason, a load of the same magnitude is applied to each current collector 2. For this reason, according to the fuel cell performance evaluation apparatus 1 of the first embodiment, the performance of a plurality of MEGAs can be simultaneously evaluated under the same conditions.

  By the way, as shown in FIG. 2, when the guide means 5 bends, the current collectors 2 are arranged in a direction corresponding to the bending of the guide means 5 (the direction of arrow A in FIG. 2). In the case illustrated in FIG. 2, the first current collector 7 a and the second current body 7 b of the second current collector 22 are inclined in a direction crossing each other, and the first current collector 61 and the second current collector 61 of the second current collector 22 are The two current collectors 62 are inclined in a direction crossing each other. Therefore, when the MEGA is sandwiched between the first current collector 61 and the second current collector 62 of the second current collector 22 in this state, the first current collector 61 and the second current collector 62 are It hits MEGA.

  However, in the fuel cell performance evaluation apparatus 1 according to the first embodiment, the second electrode support portion 72 of the second split body 7 b can swing with respect to the second leg portion 74. For this reason, as shown in FIG. 3, the first current collector 61 and the second current collector 62 are arranged in parallel by swinging the second electrode support portion 72 with respect to the second leg portion 74. Can do. The MEGA is sandwiched between the first current collector 61 and the second current collector 62 in a state where the first current collector 61 and the second current collector 62 are parallel to each other, and are fixed by the fixing means 80. Thus, it is possible to suppress the uneven contact between the first current collector 61 and the MEGA and the uneven contact between the second current collector 62 and the MEGA. For this reason, according to the fuel cell performance evaluation apparatus 1 of Example 1, the performance of MEGA can be evaluated with high accuracy. Note that the second current collector 62 in the fuel cell performance evaluation apparatus 1 of Example 1 corresponds to the side current collector in the present invention, and the first current collector 61 serves as the reference side current collector in the present invention. Equivalent to.

  Moreover, the current collecting parts 2 adjacent to each other transmit a load via the weighted point part 3 and do not contact directly. For this reason, the inclination of the current collector 2 is not transmitted to the adjacent current collector 2. Also with this, in the fuel cell performance evaluation apparatus 1 of Example 1, the uneven contact between the first current collector 61 and MEGA and the second current collector portion 62 and MEGA are reliably suppressed. it can.

  In addition, the weighted main body 34 of each weight point 3 is swingable with respect to the third leg 33, so that the inclination of each current collector 2 and the second leg 74 of the second electrode support 72 are the same. Even when the front contact end portion 201 and the rear contact end portion 200 are misaligned due to rocking or the like, the first weighted end portion 341 and the second weighted end portion 342 are respectively associated with the corresponding front contact end portion 201 or It contacts the rear contact end portion 200. Also with this, in the fuel cell performance evaluation apparatus 1 of Example 1, the uneven contact between the first current collector 61 and the MEGA and the uneven contact between the second current collector 62 and the MEGA can be suppressed with high reliability. .

(Example 2)
The fuel cell performance evaluation apparatus of Example 2 includes the above (1) to (3). The fuel cell performance evaluation apparatus of Example 3 performs the performance evaluation of the fuel cell of Example 1 except that the first weight point supports the first electrode support part and the second electrode support part that are adjacent to each other. Same as the device. A side view schematically showing the fuel cell performance evaluation apparatus of Example 2 is shown in FIG.

  The fuel cell performance evaluation apparatus 1 of the second embodiment has two weighting point portions 3 (a first weighting point portion 31 and a second weighting point portion 32). The first weighted point portion 31 and the second weighted point portion 32 have the same shape. Each weighted point portion 3 has a third leg portion 33 and a weighted main body portion 34. The third leg 33 is slidably attached to the guide means 5. The upper end of the third leg portion 33 has an axial shape extending in the vertical direction. The weighted main body 34 has a hole having a shape corresponding to the upper end of the third leg 33. The upper end of the third leg portion 33 is inserted into this hole, and the weighted main body portion 34 can swing around the upper end of the third leg portion 33. Further, the weighted main body 34 has a hole having a shape corresponding to a rear contact end portion 200 of a second electrode support portion 72 described later. The rear contact end portion 200 of the second electrode support portion 72 is inserted into the hole portion.

  The first current collector 21, the second current collector 22 and the third current collector 23 in the fuel cell performance evaluation apparatus 1 of the second embodiment are the same as those of the fuel cell performance evaluation apparatus 1 of the first embodiment. It has an electrode support 71 and a second electrode support 72. The first electrode support portion 71 of the first current collector 21 is fixed to the same first leg portion 73 as the fuel cell performance evaluation device 1 of the first embodiment. The first leg 73 is slidably attached to the guide means 5. The rear end portion (rear contact end portion 200) of the second electrode support portion 72 of the first current collector 21 has a spherical shape. The rear contact end portion 200 is inserted into the hole of the first weight point 31. Therefore, the second electrode support portion 72 of the first current collector 21 can swing around the rear contact end portion 200.

  The first electrode support portion 71 of the second current collector 22 is fixed to the weighted main body portion 34 of the first weighted point portion 31. The rear end portion (rear contact end portion 200) of the second electrode support portion 72 of the second current collector 22 is similar to the rear contact end portion 200 of the first current collector 21. The weighted main body 34 is supported so as to be swingable. The first electrode support portion 71 of the third current collector 23 is fixed to the weighted main body portion 34 of the second weighted point portion 32. The second electrode support 72 of the third current collector 23 is connected to the second leg 74 in the same manner as the second electrode support 72 of the third current collector 23 in the fuel cell performance evaluation apparatus 1 of the first embodiment. It is supported so that it can swing.

  In the fuel cell performance evaluation apparatus 1 of Example 2, the second electrode support 72 and the second current collector 62 of the first current collector 21, the first electrode support 71 of the second current collector 22, and The first current collector 61 is supported by the first weight point 31. In addition, the second electrode support part 72 and the second current collector 62 of the second current collector part 22 and the first electrode support part 71 and the first current collector 61 of the third current collector part 23 are the second additive. It is supported by the emphasis portion 32. For this reason, the fuel cell performance evaluation apparatus 1 of Example 2 has a simple shape and can be manufactured at low cost. Moreover, since it is a simple shape, it is excellent in handleability.

  The second current collector 72 and the second current collector 62 of the first current collector 21, the second electrode support 72 and the second current collector 62 of the second current collector 22, and the third current collector 23. Each of the second electrode support 72 and the second current collector 62 can swing. For this reason, even when the 1st current collection part 21, the 2nd current collection part 22, and the 3rd current collection part 23 are not arranged on a straight line, each 1st current collection which makes each 2nd current collector 62 a pair, respectively. It can be arranged in a direction parallel to the body 61. Therefore, also in the fuel cell performance evaluation apparatus 1 of Example 2, it is possible to suppress the uneven contact between the first current collector 61 and the MEGA and the second current collector 62 and the MEGA. For this reason, the fuel cell performance evaluation apparatus 1 of Example 2 can also evaluate the performance of MEGA with high accuracy.

1 is a side view schematically showing a fuel cell performance evaluation apparatus of Example 1. FIG. 1 is a side view schematically showing a fuel cell performance evaluation apparatus of Example 1. FIG. 1 is a side view schematically showing a fuel cell performance evaluation apparatus of Example 1. FIG. FIG. 5 is a side view schematically showing a fuel cell performance evaluation apparatus of Example 2.

Explanation of symbols

1: Fuel cell performance evaluation device 2, 21, 22, 23: Current collectors 3, 31, 32: Weighted points 4: Pressurizing means 6, 61, 62: Current collector 80: Fixing means

Claims (4)

A current collector array portion in which a plurality of current collectors having a pair of current collectors sandwiching an evaluation target product of the fuel cell are arranged in a direction of sandwiching the evaluation target product;
Pressurizing means disposed at both ends of the current collecting column portion and compressing the current collecting row portion while moving the current collecting portion in the arrangement direction;
The current collectors are interposed between the current collectors adjacent to each other, and the pressurizing means moves in the arrangement direction when compressing the current collector array, and the load applied by the pressurizing means is adjacent to the current collectors. A weighted point that is transmitted to the electric part,
A fuel cell performance evaluation apparatus, wherein at least one of the pair of current collectors is movable in a direction crossing the arrangement direction.   2. The fuel cell performance evaluation apparatus according to claim 1, wherein the current collector includes a fixing unit that fixes a relative position of the pair of current collectors. A reference-side current collector that is one of the current collectors that make a pair is movable only in the arrangement direction,
The performance evaluation of the fuel cell according to claim 1 or 2, wherein a side current collector that is the other of the pair of current collectors is movable in the arrangement direction and a direction crossing the arrangement direction. apparatus.   The weighted point portion supports at least one of the current collectors adjacent to the weighted point portion so as to be movable in a direction crossing the arrangement direction. The fuel cell performance evaluation apparatus according to claim 1.

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