一种钯基纳米晶催化剂及其制备方法和应用、燃料电池
By loading Pd/M alloy nanocrystalline catalysts onto graphitized carbon doped cerium oxide, the problem of slow ORR kinetics in fuel cells was solved, achieving efficient and low-cost ORR catalytic effects.
CN117174926BActive Publication Date: 2026-07-17BEIJING UNIV OF CHEM TECH +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING UNIV OF CHEM TECH
- Filing Date
- 2023-06-26
- Publication Date
- 2026-07-17
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Figure CN117174926B_ABST
Abstract
本发明提供了一种钯基纳米晶催化剂及其制备方法和应用、燃料电池，涉及催化材料技术领域。本发明以石墨化碳掺杂氧化铈为载体，以Pd / M(M为W和 / 或Fe)合金纳米晶或Pd纳米晶为活性组分，CeO2具有优异的储氧性能，很容易在还原反应中产生低价的Ce或氧空穴，具有和吸附物质交换电荷的功能，氧还原催化活性高、稳定性好且催化剂成本低。Pd纳米晶中掺杂W和 / 或Fe后能进一步提高ORR催化活性。本发明提供的钯基合金催化剂作为燃料电池阴极催化剂具有很好的应用前景。
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