Waste pig blood-derived 2D Fe single-atom porous carbon as an efficient electrocatalyst for zinc-air batteries and AEMFCs

被引：42

作者：

Kim, Hee Soo ^{[1
,2
]}

Lee, Jiho ^{[3
]}

Jang, Jue-Hyuk ^{[1
]}

Jin, Haneul ^{[1
]}

Paidi, Vinod K. ^{[4
]}

Lee, Soo-Hyoung ^{[3
]}

Lee, Kug-Seung ^{[4
]}

Kim, Pil ^{[3
]}

Yoo, Sung Jong ^{[1
,5
,6
]}

机构：

[1] Korea Inst Sci & Technol KIST, Ctr Hydrogen Fuel Cell Res, Seoul 02792, South Korea

[2] Korea Elect Power Corp, KEPCO Res Inst, 105 Munji Ro Yuseong Gu, Daejeon 34056, South Korea

[3] Jeonbuk Natl Univ, Sch Chem Engn, 567 Baekje Dearo, Jeonju 54896, South Korea

[4] Pohang Accelerator Lab, 80 Jigokro 123 Beongil, Pohang 37673, Gyeongbuk, South Korea

[5] Kyung Hee Univ, KHU KIST Dept Converging Sci & Technol, Seoul 02447, South Korea

[6] Univ Sci & Technol UST, KIST Sch, Div Energy & Environm Technol, Seoul 02792, South Korea

来源：

APPLIED SURFACE SCIENCE | 2021年 / 563卷

基金：

新加坡国家研究基金会;

关键词：

Single-atom electrocatalyst; Pig blood; ORR; AEMFC; Zn-air battery; OXYGEN REDUCTION REACTION; N-C; LOW-COST; BIOMASS; PERFORMANCE; CATALYSTS; SPHERES; AGGREGATION; SITES;

D O I：

10.1016/j.apsusc.2021.150208

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Biomass is a useful precursor for manufacturing electrocatalysts because it is highly abundant, eco-friendly, and is composed of organic materials that include Fe and nitrogen precursors. Among the numerous waste biomass types, slaughtered pig blood contains a high concentration of Fe-porphyrin inside the hemoglobin, and this characteristic makes it an ideal precursor for fabricating a bio-inspired Fe-N-C oxygen reduction reaction (ORR) catalyst. Here, Zinc (Zn)-hydrolysates are obtained from purified waste pig blood was used as a porous carbon source for two-dimensional (2D) sheet-like porous single-atom electrocatalysts. In addition, pig blood provides Fe single-atom catalytic sites derived from hemoglobin in (Zn)-hydrolysates and shows excellent ORR activity by retaining excellent mass transfer due to the presence of mesopores generated by Zn activation under NH3 pyrolysis Furthermore, one of the catalytic materials is a Zn-incorporated Fe single-atom porous carbon catalyst (designated Zn/FeSA-PC)/950/NH3, was successfully integrated as an Anion Exchange Membrane Fuel Cells (AEMFCs) and Zn-Air Batteries (ZABs) where it supported maximum power densities of 352 and 220 mW/cm2, respectively. This study demonstrates the new designs and preparation procedures for high-performance electrocatalysts that can be manufactured at low cost from abundant and renewable blood biomass.

引用

页数：9

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