表題番号：2017S-108
日付：2018/04/09
研究課題液体アンモニア電気分解への電極触媒を内包したカーボンナノチューブ膜電極の適用
| 研究者所属（当時） | 資格 | 氏名 | |
|---|---|---|---|
| （代表者） | 理工学術院 先進理工学部 | 講師 | 花田 信子 |
- 研究成果概要
- Ammonia (NH3), which has high volumetric hydrogen density and high gravimetric hydrogen density, is one of the promising media to store and transport hydrogen. We have performed the direct electrolysis of liquid ammonia for hydrogen generation. This method would be able to decompose ammonia itself by keeping high hydrogen density at room temperature. In this study 3D structured electrode with platinum nanoparticles supported on carbon nanotube (CNT) film was fabricated to increase the current density and decrease anode over potential for liquid ammonia electrolysis. The platinum nanoparticles were loaded on CNT by reducing Pt ion in Ethylene Glycol at 100 to 180 ºC. The smaller Pt nanoparticles were synthesized by increasing loading temperature. The average particle size of Pt nanoparticles on CNT was 3.6 nm and surface area of Pt was several hundred times of the electrode area. The electrode of Pt nanoparticles on CNT decreased anode overpotential and increased the current density at lower potential in ammonia electrolysis.