发明授权
US08906579B2 Low contact resistance coated stainless steel bipolar plates for fuel cells 有权
用于燃料电池的低接触电阻涂层不锈钢双极板

Low contact resistance coated stainless steel bipolar plates for fuel cells
摘要:
A bipolar plate to reduce electrical contact resistance between the plate and a diffusion layer used in a fuel cell. The opposing surfaces of the plate define flow channels with upstanding lands interspersed between them. The lands of the plate form an electrically-conductive contact with a diffusion layer in the fuel cell. At least a portion of the electrically-conductive contact is made up of a nickel-based alloy that reduces the contact resistance between the plate and the diffusion layer as a way to achieve improved electric current density. In one form, the alloy can be used as the primary material in the plate, while in another, it can be used as a coating deposited onto a conventional stainless steel plate.
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