对于零间隙性水电解剂的Ni,Fe,Co-LDH涂层有孔的输送层
Andrea Zaffora1, Bartolomeo Megna1, Barbara Seminara1
1Department of Engineering, Palermo University, 90128 Palermo, Italy.
Nanomaterials (Basel, Switzerland)
|March 12, 2024
概括
新的性水电解剂使用由,铁和分层双氧化物 (LDH) 制成的先进的多孔运输层 (PTL). 这些PTL表现出氧化演化反应的卓越性能和耐用性,降低了成本并提高了效率.
科学领域:
- 电化学 电化学 电化学
- 材料科学 材料科学 材料科学
- 可持续能源 可持续能源
背景情况:
- 下一代性水电解仪旨在通过零间隙配置来降低成本和提高性能.
- 多孔输送层 (PTL) 是实现高效电解的关键组成部分.
研究的目的:
- 开发使用电沉积层状双氧化物 (LDH) 进行零间隙性电解的新型阳极型PTL.
- 为了评估这些基于LDH的PTLs的电催化活性和耐用性,用于氧化演化反应 (OER).
主要方法:
- 基于Ni,Fe,Co的LDH在304不钢网格上的一级电解.
- 使用扫描电子显微镜 (SEM) 进行LDH结构的表征.
- 在1M KOH中对OER的PTL进行电化学测试,包括对耐久性的计时测量.
主要成果:
- 通过电沉积成功形成了高表面积的催化LDH层.
- 基于FeCo LDH的PTL在OER的300 mV超电位下实现了10 mA cm−2.
- 在50 mA cm−2的时长测试中经过100个小时的表现出色的耐用性,没有性能降低.
结论:
- 电子沉积的LDH材料在零间隙性电解中有效地产生高性能阳极PTL.
- FeCo LDH PTLs显示出有希望的催化活性和OER的特殊长期稳定性.
- 这些发现有助于推进高效和耐用的性水电解技术.
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