Polymer electrolyte membrane (PEM) fuel cells using zeolite-templated carbon (ZTC) as electrocatalyst
US12100845B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2021 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | May 31, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A polymer electrolyte membrane (PEM) fuel cell assembly, and a method for making the assembly, are provided. An exemplary method includes forming a functionalized zeolite templated carbon (ZTC), including forming a CaX zeolite, depositing carbon in the CaX zeolite using a chemical vapor deposition (CVD) process to form a carbon/zeolite composite, treating the carbon/zeolite composite with a solution including hydrofluoric acid to form a ZTC, and treating the ZTC to add catalyst sites, forming the functionalized ZTC. The method further includes incorporating the functionalized ZTC into electrodes, forming a membrane electrode assembly (MEA), and forming the PEM fuel cell assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.