Polymer electrolyte membrane, membrane electrode assembly and fuel cell including the same
US-2015236367-A1 · Aug 20, 2015 · US
Polymer electrolyte membrane, membrane electrode assembly comprising same, and fuel cell comprising membrane electrode assembly
US10367219B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10367219-B2 |
| Application number | US-201615574735-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 6, 2016 |
| Priority date | Nov 26, 2015 |
| Publication date | Jul 30, 2019 |
| Grant date | Jul 30, 2019 |
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Abstract
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The present specification relates to a polymer electrolyte membrane, a membrane electrode assembly including the same, and a fuel cell including the membrane electrode assembly.
First claim
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The invention claimed is: 1. A polymer electrolyte membrane comprising: a first polymer layer including first ceramic particles; and a second polymer layer provided on the first polymer layer and including second ceramic particles, wherein the first ceramic particles and the second ceramic particles have different surface properties. 2. The polymer electrolyte membrane of claim 1 , wherein the first ceramic particles are hydrophilic ceramic particles, and the second ceramic particles are hydrophobic ceramic particles. 3. The polymer electrolyte membrane of claim 1 , wherein the polymer electrolyte membrane further includes a third polymer layer provided between the first polymer layer and the second polymer layer, and including a porous support and an electrolyte polymer provided inside pores of the porous support. 4. The polymer electrolyte membrane of claim 3 , wherein the first ceramic particles are hydrophilic ceramic particles, and the second ceramic particles are hydrophobic ceramic particles. 5. The polymer electrolyte membrane of claim 1 , wherein the first and the second ceramic particles each include at least one of silica, alumina (Al 2 O 3 ), zeolite, zirconia, silicon nitride and silicon carbide. 6. The polymer electrolyte membrane of claim 1 , wherein the first ceramic particles and the second ceramic particles are first silica and second silica, respectively. 7. The polymer electrolyte membrane of claim 6 , wherein the first silica is hydrophilic silica, and the second silica is hydrophobic silica. 8. A membrane electrode assembly comprising: an anode; a cathode; and the polymer electrolyte membrane of claim 1 provided between the anode and the cathode. 9. The membrane electrode assembly of claim 8 , wherein the first polymer layer is provided on the anode, and the second polymer layer is provided on the cathode, and the first ceramic particles are hydrophilic ceramic particles, and the second ceramic particles are hydrophobic ceramic particles. 10. The membrane electrode assembly of claim 8 , wherein the first polymer layer, a third polymer layer, the second polymer layer and the cathode are consecutively provided on the anode, the first ceramic particles are hydrophilic ceramic particles, and the second ceramic particles are hydrophobic ceramic particles, and wherein the third polymer layer includes a porous support and an electrolyte polymer provided inside pores of the porous support. 11. The membrane electrode assembly of claim 8 , wherein the first and the second ceramic particles each include at least one of silica, alumina (Al 2 O 3 ), zeolite, zirconia, silicon nitride and silicon carbide. 12. The membrane electrode assembly of claim 8 , wherein the first ceramic particles and the second ceramic particles are first silica and second silica, respectively. 13. The membrane electrode assembly of claim 12 , wherein the first silica is hydrophilic silica, and the second silica is hydrophobic silica. 14. A fuel cell comprising the membrane electrode assembly of claim 8 .
Assignees
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Classifications
Fuel cells with polymeric electrolytes · CPC title
characterised by the manufacturing processes · CPC title
- H01M8/1004Primary
characterised by membrane-electrode assemblies [MEA] (H01M8/12 takes precedence) · CPC title
Porous electrodes · CPC title
consisting of layers of polymers with at least one layer being ionically conductive · CPC title
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Frequently asked questions
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- What does patent US10367219B2 cover?
- The present specification relates to a polymer electrolyte membrane, a membrane electrode assembly including the same, and a fuel cell including the membrane electrode assembly.
- Who is the assignee on this patent?
- Lg Chemical Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M8/1004. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jul 30 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).