journal article·2023-04-24Open access

Highly Durable Platinum Catalysts on Nano-SiC Supports with an Epitaxial Graphene Nanosheet Layer Grown from Coffee Grounds for Proton Exchange Membrane Fuel Cells

Byeong Geun Kim, Seokhee Lee, Yi kyeong Jung, Jin Uk Lee, Seoyoon Shin, Tae Ho Shin, Soon-Mok Choi

ACS Applied Energy Materials· Volume 6· Issue 8

Abstract

High Resolution Image Download MS PowerPoint Slide Robust ceramic supports have attracted significant attention as alternatives to carbon supports for proton exchange membrane fuel cells (PEMFCs). However, they suffer from lower electrocatalytic activities than carbon-based supports because of their electrical conductivity. Here, SiC nanopowders were modified with epitaxial graphene and evaluated as the support for Pt in PEMFCs. Coffee grounds are used as a carbon source to not only enhance the electrocatalytic activity of the graphene-modified SiC supports but also demonstrate the feasibility of exploiting and commercializing this widely available waste product. The Pt-decorated ceramic supports deliver the enhanced durability and performance under the accelerated electro′chemical conditions.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Electrocatalysts for Energy Conversion · Supercapacitor Materials and Fabrication · Fuel Cells and Related Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Research Development Division, Gyeongbuk Institute of IT Convergence Industry Technology, Gyeongsan-si 38463, Korea

Hydrogen Energy Materials Center, Korea Institute of Ceramic Engineering and Technology, Jinju 52851, Korea

School of Energy, Materials and Chemical Engineering, Korea University of Technology and Education, Cheonan 31253, Korea

Funding

National Research Foundation of Korea

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