Manufacturing bipolar plate for fuel cell stack, involves coating base material of bipolar plate with coating material by plating process

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This invention describes a method for manufacturing a bipolar plate used in fuel cell stacks. The process involves coating the base material of the plate with a metallic or alloy coating using a plating technique. The coating materials can include various metals such as iron, nickel, copper, silver, gold, and their respective alloys, which improve the properties of the bipolar plate.

Use CasesContent extracted from patent full text and abstract with AI.

• Fuel cell vehicles, such as hydrogen-powered cars
• Stationary fuel cell systems for backup or off-grid power generation
• Portable fuel cell applications, including backup batteries and mobile chargers
• Industrial fuel cell stacks for large-scale energy generation

BenefitsContent extracted from patent full text and abstract with AI.

• Enhances corrosion resistance of the bipolar plates, increasing durability and lifespan
• Improves electrical conductivity, leading to more efficient energy transfer in the fuel cell
• Allows for the use of cost-effective base materials while adding performance-enhancing coatings
• Enables customized selection of coating materials to suit different fuel cell requirements and operating environments

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Patent Abstract

Bipolar plate (102) manufacturing involves coating a base material (120) of the bipolar plate with coating material by plating process. The coating material comprises iron, nickel, cobalt, manganese, silver, gold, copper, an iron alloy, nickel alloy, cobalt alloy, manganese alloy, silver alloy, gold alloy and copper alloy. An independent claim is also included for a bipolar plate, which comprises a base material and a coating material.