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Advancing 2D-Heterostructure Materials for High-Performance Supercapacitors: Integrating SECM and In-Situ Characterization Techniques

Project description

Novel, 3D-printed micro-supercapacitors for high-performance energy solutions

Energy storage is crucial for powering different technologies such as wearable devices, biomedical tools and backup power systems for aircraft. However, current materials often fail to balance high capacity, fast charge rates and stability. With the support of the Marie Skłodowska-Curie Actions programme, the SUPCAP project plans to develop advanced 2D electrode materials that embed metal phosphides between graphene oxide sheets. This approach will help merge battery-type and capacitive materials in a layered configuration. Using electrophoretic and electrochemical deposition, the proposed approach will eliminate costly binders, making production cheaper and more scalable. SUPCAP aims to create 3D-printed micro-supercapacitors with high capacity and power density. These should help bridge the gap between batteries and supercapacitors for energy storage applications.

Objective

"The SUPCAP project aims to develop a new 2D heterostructure electrode material that embeds metal phosphides between graphene oxide sheets for enhanced energy storage applications. This method will address the difficulty of developing conductive, high-capacitive, and stable charge storage materials by combining battery-type and capacitive materials in a layered configuration. We will use a ""Nano-to-Nano"" approach to make all-solid-state symmetric devices using electrophoretic and electrochemical deposition (EPD/ECD) techniques. This will eliminate the need for binders, making the process cheaper and more useful in industry.
The research will use in-situ Raman spectroscopy to monitor electrode structural changes in real time throughout charge and discharge cycles.
Furthermore, scanning electrochemical microscopy (SECM) will allow for localized deposition of 2D materials by varying local pH and ionic strength. Our goal is to reach a specific capacity of more than 1000 mAhg-1 and a power density of more than 100 kWkg-1. We intend to employ these materials to create 3D-printed micro-supercapacitors for wearable devices, biomedical applications, and airplane backup power systems. This work aims to significantly advance flexible energy storage technology by integrating synthesis, density functional theory (DFT) analysis, and deposition technique optimization to bridge the gap between batteries and supercapacitors.












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Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

FUNDACIO INSTITUT CATALA DE NANOCIENCIA I NANOTECNOLOGIA
Net EU contribution
€ 209 914,56
Address
CAMPUS DE LA UAB - EDIFICI ICN2
08193 BELLATERRA (BARCELONA)
Spain
Region
Este Cataluña Barcelona
Activity type
Research Organisations
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Total cost
No data

Partners (1)