다공성 금속 구조체 합성 및 에너지 저장 소재로서의 응용Synthesis of Porous Metallic Structure and Its Application for Energy Storage Materials
- Authors
- 장서현; 강지현; 박수민; 남인호
- Issue Date
- Jun-2022
- Publisher
- 한국세라믹학회
- Keywords
- Porous metal; Polymer template; Supercapacitor; Energy storage system
- Citation
- 세라미스트, v.25, no.2, pp 206 - 217
- Pages
- 12
- Journal Title
- 세라미스트
- Volume
- 25
- Number
- 2
- Start Page
- 206
- End Page
- 217
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/61288
- DOI
- 10.31613/ceramist.2022.25.2.07
- ISSN
- 1226-976X
2586-0631
- Abstract
- Porous metal or metal oxide frameworks have been comprehensively applicated to numerous fields such as catalyst, energy storage system, and bio-filtration. Here, we introduce a de-alloying method prior to a facile polymer gel-templating to synthesize a self-supporting porous metal/metal oxide frameworks (e.g. Au, Ag, Ag/CuO, Au/MnO2, etc.). The template methods based on polymer gel suggest easy preparation of porous metal/metal oxide frameworks, prepared by heating a metal precursor impregnated in polymer gel. Compared to de-alloying Ag65A35 method, polymer gel based soft template serves numerous advantages as follows; 1) facile fabrication of porous transition metal structure, 2) atom economy, 3) high-loading of precious metals, 4) harmless to human and environment, 5) natural abundance, 6) easy to scale-up and control the pore size by differentiate the polymer content ratio, 7) mild reaction conditions, and 8) structural controllability, 9) cost-effectiveness, etc. We report the methodologies to synthesis bicontinuous metal/ metal oxide architectures, derived from porous gel soft templates, and they are applicated to the energy storage system such as, supercapacitor, pseudocapacitor, and battery.
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