The invention relates to the field of water electrolysis hydrogen production, and discloses a bipolar plate, a PEM electrolytic bath, a PEM fuel cell and a new energy vehicle, the bipolar plate comprises a bipolar plate body, and the bipolar plate body is provided with a water inlet channel, a water outlet channel and a first reaction tank; the first reaction tank is formed on the anode side surface of the bipolar plate body and is sequentially divided into a water inlet distribution area, an anode reaction area and a water outlet confluence area along the length direction of the bipolar plate body, the water inlet channel is communicated with the water inlet distribution area, the water outlet channel is communicated with the water outlet confluence area, and the water inlet channel and the water outlet channel are staggered in the length direction of the bipolar plate body; the water inlet distribution area is provided with a shunting direct connection section which is aligned and communicated with the water inlet channel and a shunting dislocation section which is staggered with the water inlet channel in the length direction of the bipolar plate body, a first shunting flow channel is formed in the shunting direct connection section, a second shunting flow channel is formed in the shunting dislocation section, and the circulation resistance of the first shunting flow channel is greater than that of the second shunting flow channel. The bipolar plate provided by the invention has good electrolytic efficiency and performance.
本发明涉及电解水制氢领域,公开了一种双极板、PEM电解槽、PEM燃料电池以及新能源车辆,双极板包括双极板本体,双极板本体设有进水通道、出水通道以及第一反应槽,第一反应槽形成在双极板本体的阳极侧面并沿双极板本体的长度方向依次分为进水分配区、阳极反应区以及出水汇流区,进水通道连通进水分配区,出水通道连通出水汇流区,进水通道和出水通道在双极板本体的长度方向上错位布置;进水分配区具有与进水通道对位连通的分流直连段和与进水通道在双极板本体的长度方向上错位的分流错位段,分流直连段内形成有第一分流流道,分流错位段形成有第二分流流道,第一分流流道的流通阻力大于第二分流流道。本发明的双极板具有良好的电解效率和性能。
Bipolar plate, PEM electrolytic cell, PEM fuel cell and new energy vehicle
双极板、PEM电解槽、PEM燃料电池及新能源车辆
18.02.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS , Elektrolytische oder elektrophoretische Verfahren für die Herstellung von Verbindungen oder von nichtmetallischen Elementen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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