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|
| Type |
Poster Presentation |
| Area |
Material Chemistry |
| Room No. |
Event Hall |
| Time |
4월 20일 (금요일) 11:00~12:30 |
| Code |
MAT.P-498 |
| Subject |
Ni-O4 species immobilized on N-doped graphene-based materials at molecular level as electrocatalysts for oxygen reduction reaction |
| Authors |
DAWOON JANG, Sujin Seok, Sungjin Park*
Department of Chemistry, Inha University, Korea
|
| Abstract |
The generation of molecular active species on the surface of nano-materials has become promising routes to produce excellent electrocatalysts. Development of cost-effective catalysts with high performances for oxygen reduction reaction (ORR) is an important challenge for fuel cell applications. In this work, we report a novel hybrid produced by room-temperature solution processes using Ni-based organometallic molecules and N-doped graphene-based materials. Chemical and structural characterizations reveal that Ni-containing species are well-dispersed on the surface of graphene network as molecular entity. The hybrid materials as an ORR electrocatalyst showed excellent performances in alkaline media, such as high onset potential of 0.87 V (vs. RHE) and half-wave potentials, four electron selectivity, and superior durability and methanol tolerance. |
| E-mail |
jangdw0608@gmail.com |
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121st General Meeting of the KCS