摘要：【中文】本发明提供一种木屑为基材的环保空心砖。所述木屑为基材的环保空心砖，包括：砖体；中心空腔，所述中心空腔开设与所述砖体的中间；V形支撑部，所述V形支撑部设置于所述中心空腔的内壁的顶部和底部之间；内层，所述内层设置于所述中心空腔的内部，所述内层上开设有圆孔；加强管，所述加强管设置于所述圆孔的内部，所述加强管的内部设置有管芯；两个所述密封层分别填充于所述中心空腔的内部且位于内层的两侧。本发明提供的木屑为基材的环保空心砖具有使砖体增强保温隔音的同时增加了砖体整体的强度，且通过设置涂层具有防水性延长砖体的使用寿命，同时砌墙时方便砖体间的对齐，使整体墙面更加的平整，并且增强墙体的整体的稳定性。 【EN】The invention provides an environment-friendly hollow brick with wood chips as base materials. The environment-friendly hollow brick with the wood chips as the base materials comprises: a brick body; the central cavity is arranged in the middle of the brick body; a V-shaped support disposed between the top and bottom of the inner wall of the central cavity; the inner layer is arranged inside the central cavity and provided with a round hole; the reinforcing pipe is arranged inside the round hole, and a pipe core is arranged inside the reinforcing pipe; the two sealing layers are respectively filled in the central cavity and positioned on two sides of the inner layer. The environment-friendly hollow brick with the wood chips as the base materials has the advantages that the overall strength of the brick body is improved while the heat preservation and sound insulation of the brick body are enhanced, the coating has waterproofness, the service life of the brick body is prolonged, meanwhile, the alignment among the brick bodies is convenient during wall building, the overall wall surface is smoother, and the overall stability of the wall body is enhanced.

摘要：【中文】本申请涉及一种燃料电池双极板。所述燃料电池双极板包括基板。所述基板包括第一表面。所述第一表面开设流道。所述流道用于输送反应气体。所述流道中反应气体的流量一定。沿着所述反应气体在所述流道的输送方向，所述流道的截面面积逐渐减小，所述反应气体流速逐渐增大，所述流道的排水速率逐渐增大。所述燃料电池双极板使得所述流道各位置的排水速率与液态水量相匹配，有效避免局部膜干和局部水淹。所述燃料电池双极板保证气体扩散层内不发生积水的同时质子交换膜不会过干，燃料电池内部极化损失降低，提高了燃料电池的性能。 【EN】The present application relates to a fuel cell bipolar plate. The fuel cell bipolar plate includes a substrate. The substrate includes a first surface. The first surface is provided with a flow passage. The flow channel is used for conveying reaction gas. The flow rate of the reaction gas in the flow channel is constant. Along the conveying direction of the reaction gas in the flow channel, the cross-sectional area of the flow channel is gradually reduced, the flow speed of the reaction gas is gradually increased, and the drainage rate of the flow channel is gradually increased. The fuel cell bipolar plate enables the drainage rate of each position of the flow channel to be matched with the liquid water quantity, and effectively avoids local membrane dryness and local flooding. The fuel cell bipolar plate ensures that the proton exchange membrane is not excessively dry while water is not accumulated in the gas diffusion layer, the polarization loss in the fuel cell is reduced, and the performance of the fuel cell is improved.

摘要：【中文】本申请涉及一种燃料电池堆、双极板及气体扩散层。燃料电池堆包括顺次排布的多个第一石墨双极板、多个第二石墨双极板和多个反应单元。第一石墨双极板包括空气流道、氢气流道和冷却流道。相邻的两个第一石墨双极板之间设置至少一个第二石墨双极板。第二石墨双极板包括空气流道和氢气流道。任意两个相邻的双极板之间设置一个反应单元。相邻的两个第一石墨双极板为中间的第二石墨双极板降温冷却。无冷却流道的双极板厚度比有冷却流道的双极板降低40％。第一石墨双极板不设置冷却流道。第一石墨双极板进一步减薄。单位体积内，燃料电池单片的数量增大，电能产量增加。燃料电池堆的功率密度增大，进而提高了燃料电池的性能。 【EN】The present application relates to a fuel cell stack, a bipolar plate and a gas diffusion layer. The fuel cell stack includes a plurality of first graphite bipolar plates, a plurality of second graphite bipolar plates, and a plurality of reaction units, which are arranged in order. The first graphite bipolar plate includes air flow channels, hydrogen flow channels, and cooling flow channels. At least one second graphite bipolar plate is arranged between two adjacent first graphite bipolar plates. The second graphite bipolar plate includes an air flow channel and a hydrogen flow channel. A reaction unit is arranged between any two adjacent bipolar plates. And the two adjacent first graphite bipolar plates cool the middle second graphite bipolar plate. The thickness of the bipolar plate without the cooling flow channels is reduced by 40 percent compared with the thickness of the bipolar plate with the cooling flow channels. The first graphite bipolar plate is not provided with cooling channels. The first graphite bipolar plate is further thinned. The number of fuel cell single sheets per unit volume is increased, and the electric power yield is increased. The power density of the fuel cell stack is increased, thereby improving the performance of the fuel cell.