Highly Dispersed Carbon Supported PdNiMo Core with Pt Monolayer Shell Electrocatalysts for Oxygen Reduction Reaction
Highly Dispersed Carbon Supported PdNiMo Core with Pt Monolayer Shell Electrocatalysts for Oxygen Reduction Reaction
复制标题
具有 Pt 单层壳的高度分散碳负载 PdNiMo 核用于氧还原反应的电催化剂
DOI：
10.1149/2.0381815jes
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发表时间：
2018
影响因子：
3.9
通讯作者：
Adzic, Radoslav R.
中科院分区：
文献类型：
--
作者：
Okoli, Celest;Kuttiyiel, Kurian A.;Sasaki, Kotaro;Su, Dong;Kuila, Debasish;Mahajan, Devinder;Adzic, Radoslav R.
低成本、耐用和高性能材料的开发可以替代目前的铂基电催化剂，这将加速聚合物电解质膜燃料电池作为替代能源的商业化。本文报道了以离子液体（IL）为分散介质，采用声化学方法在三元钯镍钼电催化剂（Pt ML/PdNiMo/C）上制备碳负载铂单层膜（ML）的新方法。声波溶解技术可以控制三元金属纳米颗粒在不同碳载体上的大小和分布，而无需添加任何外部还原剂、表面活性剂或封盖剂。采用欠电位沉积法在三元PdNiMo纳米颗粒芯上沉积Pt MLs，可提高燃料电池氧还原反应时阴极的活性和耐久性。在此，我们证明了所描述的声波分解方法产生的电催化剂比商业pt基催化剂更可靠、更经济。
The development of low-cost, durable, and high-performance materials that could substitute for the current platinum-based electrocatalysts would accelerate the commercialization of polymer electrolyte membrane fuel cells as an alternative power source. We report herein a new fabrication approach of carbon-supported platinum monolayer (ML) on ternary palladium-nickel-molybdenum core electrocatalysts (Pt ML/PdNiMo/C) by a sonochemical method using ionic liquid (IL) as a dispersion medium. The sonolysis technique can control the size and distribution of the ternary-metal nanoparticles on different carbon supports without addition of any external reducing agents, surfactants or capping agents. Depositing Pt MLs using under-potential deposition method on the ternary PdNiMo nanoparticle cores could enhance activity and durability of the cathode during the oxygen reduction reaction of the fuel cell. Herein, we show that the described sonolysis method produces more reliable and cost-effective electrocatalysts that outperforms a commercial Pt-based catalyst.
影响因子：
2.5
作者：
Ravel, B;Newville, M
通讯作者：
Newville, M
DOI：
--
发表时间：
2010
期刊：
--
影响因子：
--
作者：
S. George;O. Drury;Juxia Fu;S. Friedrich;J. Christian;Doonan;G. George;J. White;Charles G. Young;P. Stephen;Cramer
通讯作者：
S. George;O. Drury;Juxia Fu;S. Friedrich;J. Christian;Doonan;G. George;J. White;Charles G. Young;P. Stephen;Cramer
影响因子：
3.3
作者：
Mizukoshi, Y;Fujimoto, T;Maeda, Y
通讯作者：
Maeda, Y