Back to results
US 11,444,290 B2Granted
Separator, and fuel cell stack comprising the same
AssigneeLG Chem, Ltd.
InventorsYoo Seok Kim, Hye Mi Jung, Chang Sun Kong, Jae Choon Yang
Life of this patent
Estimating the term…
Abstract
The present invention relates to a separator, and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator formed of a metallic material and having a plurality of pores, wherein some regions have a hydrophilic surface and some other regions have a hydrophobic surface.
Claims16
A metallic wire separator comprising:
- a plurality of first metallic wires, each of which comprising a hydrophilic surface;
- and
- a second metallic wire comprising a hydrophobic surface,
- wherein the plurality of first metallic wires and the second metallic wire each extend longitudinally in a first direction,
- the plurality of first metallic wires comprises a first metallic wire and a third metallic wire,
- the second metallic wire is intertwined with both the first metallic wire and the third metallic wire to alternately cross over the first metallic wire and the third metallic wire multiple times along the first direction, and
- the first metallic wire and the second metallic wire define a plurality of first pores, the second metallic wire and the third metallic wire define a plurality of second pores, and the plurality of first pores and the plurality of second pores are arranged alternately along the first direction.
4 more elements
A fuel cell stack comprising:
- a membrane-electrode assembly;
- a gas diffusion layer on one side of the membrane-electrode assembly;
- and
- a metallic wire separator contacting at least a portion of the gas diffusion layer,
- wherein the metallic wire separator comprises:
- a plurality of first metallic wires, each of which comprises a hydrophilic surface;
- and
- a second metallic wire comprising a hydrophobic surface,
- wherein the plurality of first metallic wires and the second metallic wire each extend longitudinally in a first direction,
- the plurality of first metallic wires comprises a first metallic wire and a third metallic wire,
- the second metallic wire is intertwined with both the first metallic wire and the third metallic wire to alternately cross over the first metallic wire and the third metallic wire multiple times along the first direction, and
- the first metallic wire and the second metallic wire define a plurality of first pores, the second metallic wire and the third metallic wire define a plurality of second pores, and the plurality of first pores and the plurality of second pores are arranged alternately along the first direction.
9 more elements
Dependencies are inferred from the claim text.