Fuel cell stack
A technology of fuel cell stacks and discharge holes, which is applied in the direction of fuel cells, fuel cell additives, power system fuel cells, etc., can solve the problem of not being able to fully suppress the temperature drop of a single cell, and achieve the effect of suppressing the temperature drop
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no. 1 example
[0027] figure 1 is an explanatory diagram of the fuel cell stack 100 according to the first embodiment. A fuel cell stack (hereinafter simply referred to as a stack) 100 includes a stack 110 , end members 120 and 130 , and a case 210 . The stacked body 110 is formed in the vertical direction, that is, figure 1 The single cells 112 are stacked in the Z direction as shown. The end members 120 are stacked on the end sides of the stack 110 in the stacking direction. The end members 120 are stacked on the end sides of the stack 110 in the stacking direction. The end member 130 is stacked on the other end side in the stacking direction of the stacked body 110 . The end member 120 includes: a terminal plate 140 stacked on the end side of the stacked body 110 in the stacking direction; an insulator 160 stacked on the terminal plate 140 opposite to the stacked body 110 and an end plate 180 stacked on the side of the insulator 160 opposite to the terminal plate 140 . The end membe...
no. 2 example
[0043] A fuel cell stack according to a second embodiment will be described. In addition, in the following embodiments, the same reference numerals denote the same components as in the above-described embodiments, and repeated descriptions are omitted. Figure 4A is a partial sectional view of the fuel cell stack according to the second embodiment. Figure 4B is a view showing a part of the end member 120 a of the fuel cell stack according to the second embodiment when viewed from the stacked body 110 .
[0044] The end member 120a in the second embodiment includes a terminal plate 140a, an insulator 160, and an end plate 180a. Unlike the end plate 180 in the first embodiment, the end plate 180a in the second embodiment does not include a constriction 184 . Furthermore, unlike the terminal board 140 in the first embodiment, the terminal board 140 a in the second embodiment is integrally formed with a constricted part 144 a in addition to the shield part 142 . The constricti...
no. 3 example
[0047] A fuel cell stack according to a third embodiment will be described. Figure 5A is a partial sectional view of the fuel cell stack according to the third embodiment. Figure 5B is a view showing a part of the end member 120 b of the fuel cell stack according to the third embodiment when viewed from the stacked body 110 .
[0048] The end member 120b in the third embodiment includes a terminal plate 140a, an insulator 160a, and an end plate 180a. Unlike the insulator 160 in the first and second embodiments, the insulator 160a in the third embodiment includes a cutout 162 formed in the vicinity of the inlet 181a of the end plate 180a. Such as Figure 5A and Figure 5B As shown in , the cut-out portion 162 is formed as a part cut on the upstream side of the discharge hole 119a at the opening edge of the inlet 181a. Figure 5B The dashed line in shows the cutout 162 . The cutout portion 162 is formed to enlarge the opening area of the inlet 181a. Such as Figure 5A...
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