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Protonic Ceramic Electrochemical Cells for a Sustainable Future

Project description

Faster manufacturing for clean energy cells

Protonic ceramic fuel and electrolysis cells (PCFC/PCEC) represent a breakthrough for the clean energy transition from fossil fuels to low-carbon energy. However, several key challenges limit their application. These challenges include scalability as well as the refractory nature of the protonic ceramics and their limited chemical stability, among others. Supported by the Marie Skłodowska-Curie Actions programme, the Ceracells project aims to make protonic ceramic fuel and electrolysis cells more practical and affordable. It will develop a faster production process that can create the cells in minutes instead of hours, while also improving their durability. Overall, the project hopes to support the large-scale deployment of cleaner and more reliable energy technologies.

Objective

Protonic ceramic fuel and electrolysis cells (PCFC/PCEC) are an emerging and attractive technology which can facilitate the transition from fossil fuels to low carbon, and secure energy supplies. However, there remain distinct barriers to their widespread practical applications. The challenges concern the refractory nature of the protonic ceramics, the limited chemical stability, and scalability. Further complexity is added from the established co-sintering process of the electrode and electrolyte using conventional sintering with a slow temperature ramp up and prolonged dwell time of several hours at high temperatures, typically resulting in cross diffusion, formation of secondary phase in the electrolyte and consequently performance degradation. Herein, to overcome these longstanding challenges, we aim at opening a new avenue for fabrication of electrolyte-supported protonic ceramic electrochemical cells for intermediate temperature operation (400 – 600 ℃). The proposed methodology exploits the novel technology of Ultrafast High-temperature Sintering (UHS) as the pivotal manufacturing procedure, which enables sintering of such cells in seconds to minutes. Pure BaZr0.8Y0.2O3-δ (BZY20) and 0.5 wt% NiO-added BZY20, both characterized by a high conductivity and chemical stability, are selected for the electrolyte. Novel experimental set-up and procedures are proposed to extensively facilitate the sintering process of protonic ceramic cells to produce structurally dense 30×30 mm2 electrolyte and to enable simultaneous sintering of the two electrodes (NiO-BZY20, and Ba0.5Sr0.5Fe0.8Zn0.2O3-δ). Advanced characterization techniques (Impedance Spectroscopy, XRD, SEM, TEM, and Atomic Probe Tomography) will be utilized to examine the correlations of processing, microstructure and properties. Overall, the procedure offers a transformative, scalable, and all-inclusive approach to extensively facilitate development and deployment of PCFC/PCEC.

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-2025-PF

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Coordinator

FORSCHUNGSZENTRUM JULICH GMBH
Net EU contribution
€ 202 125,12
Address
WILHELM JOHNEN STRASSE
52428 JULICH
Germany
Region
Berlin Berlin Berlin
Activity type
Research Organisations
Links
Total cost
No data

Partners (1)