Low Cost Interconnects with highly improved Contact Strength for SOC Applications

Livrables

New coating variations on 441/K44M (CS2) delivered for testing to CU and DTU
Hydroformed pre-coated test interconnects with various shaping depths, slopes and curvature radii delivered for investigation at CU and BOR FZJ
Deliver production scale CeCo coated K44M (CS1) to CU and DTU for testing, and to BOR for hydroforming

Deliver lab-scale CeCo coated K44M (CS1) to CU and DTU for testing, and to BOR for hydroforming

Deliver sheets of K44M steel for coating at SMT
Deliver SoA CeCo coated 441 steel (CS0)

Deliver SoA CeCo coated 441 steel (CS0) for: a) testing in short stacks at SUN and SOL, b) testing of hydroforming at BOR, c) corrosion testing at CU, and d) mechanical and ASR testing at DTU

Midterm report
Report on the corrosion properties of the hydroformed pre-coated interconnects tested after shaping
Report on selection of substrate material and pre-treatment. Delivery of a corresponding steel coil to SMT for coating
Test protocol established among consortium partners
Report on total cost benefits taking into account processing routes, scale of economy and demonstrated technical improvements from LOWCOST-IC

Report on total cost benefits taking into account processing routes scale of economy and demonstrated technical improvements from LOWCOSTIC

Update PEDR

Update Plan for Exploitation and Dissemination of Results (PEDR)

Plan for the Exploitation and Dissemination of Results (PEDR), including a communication tool-box, finalized
Report on mechanical properties of the coated interconnects (T2.4)
Final report

Based on longterm and thermal cycle testing SUNSOL and the postmortem analysis FZJDTUCU the consortium will jointly express their best advices on interconnects coatings and contact layers for the European SOC industry in the final report D15 The two enduser partners SOLSUN will base their advice based on experience with their existing technology as far as confidentiality for protection of their IPR permits

Report on ASR with the different chemical compositions and particle sizes measured at initial operation and after 3000 hours of aging
Report on break down of cost on the SoA and the LOWCOST-IC processing routes

Report on break down of cost on the SoA and the LOWCOSTIC processing routes

Report on the feasibility and accuracy of the high-speed DoD inkjet printing of known ceramic inks onto SOC interconnects
Report on chemical stability of the coated interconnects (T2.3)
Updated communication plan

The communication plan will be updated and delivered in a report.

Report on fracture energy of the cell interconnect interface with the different chemical compositions and particle sizes measured at initial operation and after 3000 hours of aging

Project website for external communication and sharing of results among partners launched
Final iteration of alloy/coating combination described by a technical data sheet made available on the webpages of Aperam and Sandvik

Final iteration of alloycoating combination described by a technical data sheet made available on the webpages of Aperam and Sandvik

Data management plan

CAD drawing of the optimized SUN interconnect geometry delivered to BOR for hydroforming

Publications

Multi-scale model to describe the local degradation and mechanical failures in an SOC stack

Auteurs: Henrik Lund Frandsen, Omid Babaie Rizvandi, Xing-Yuan Miao
Publié dans: Proceedings of the European Fuel Cell Forum 2020, 2020
Éditeur: EFCF
DOI: 10.5281/zenodo.4556872

Improved Robustness and Low Area Specific Resistance with Novel Contact Layers for the Solid Oxide Cell Air Electrode

Auteurs: Belma Talic, Ilaria Ritucci, Ragnar Kiebach, Peter Vang Hendriksen, Henrik Lund Frandsen
Publié dans: ECS Transactions, Numéro 91/1, 2019, Page(s) 2225-2232, ISSN 1938-5862
Éditeur: Electrochemical Society, Inc.
DOI: 10.1149/09101.2225ecst

Enhancing the Robustness of Brittle Solid Oxide Cell Stack Components

Auteurs: Henrik Lund Frandsen, Ilaria Ritucci, Peyman Khajavi, Belma Talic, Ragnar Kiebach, Peter Vang Hendriksen
Publié dans: ECS Transactions, Numéro 91/1, 2019, Page(s) 2201-2211, ISSN 1938-5862
Éditeur: Electrochemical Society, Inc.
DOI: 10.1149/09101.2201ecst

Reevaluating the Cr Evaporation Characteristics of Ce/Co Coatings for Interconnect Applications

Auteurs: Mareddy Reddy, Jan-Erik Svensson, Jan Froitzheim
Publié dans: ECS Transactions, Numéro 103, 2021, Page(s) 1899
Éditeur: IOPScience
DOI: 10.1149/10301.1899ecst

High toughness well conducting contact layers for solid oxide cell stacks by reactive oxidative bonding

Auteurs: Ilaria Ritucci, Belma Talic, Ragnar Kiebach, Henrik Lund Frandsen
Publié dans: Journal of the European Ceramic Society, Numéro Vol. 41, 2021, Page(s) 2699-2708, ISSN 0955-2219
Éditeur: Elsevier BV
DOI: 10.1016/j.jeurceramsoc.2020.11.021

Fast and stable approximation of laminar and turbulent flows in channels by Darcy’s Law

Auteurs: Omid Babaie Rizvandi, Xing-Yuan Miao, Henrik Lund Frandsen
Publié dans: Alexandria Engineering Journal, Numéro Vol. 60, 2021, Page(s) 2155-2165, ISSN 1110-0168
Éditeur: Alexandria University
DOI: 10.1016/j.aej.2020.12.033

Long-term (4 year) degradation behavior of coated stainless steel 441 used for solid oxide fuel cell interconnect applications

Auteurs: Claudia Goebel, Robert Berger, Carlos Bernuy-Lopez, Jörgen Westlinder, Jan-Erik Svensson, Jan Froitzheim
Publié dans: Journal of Power Sources, Numéro 449, 2020, Page(s) 227480, ISSN 0378-7753
Éditeur: Elsevier BV
DOI: 10.1016/j.jpowsour.2019.227480

Fracture toughness of reactive bonded Co–Mn and Cu–Mn contact layers after long-term aging

Auteurs: Yousef Alizad Farzin; Ilaria Ritucci; Belma Talic; Ragnar Kiebach; Henrik Lund Frandsen
Publié dans: Ceramic International, Numéro 02728842, 2022, Page(s) 20699-20711, ISSN 0272-8842
Éditeur: Pergamon Press Ltd.
DOI: 10.1016/j.ceramint.2022.04.050

Self-healing properties of Ce/Co-coated stainless steel under simulated intermediate temperature solid oxide fuel cell conditions

Auteurs: Claudia Goebel, Vijayshankar Asokan, Sarah Khieu, Jan-Erik Svensson, Jan Froitzheim
Publié dans: Surface and Coatings Technology, Numéro Vol. 428, 2021, Page(s) 127894, ISSN 0257-8972
Éditeur: Elsevier BV
DOI: 10.1016/j.surfcoat.2021.127894

Modelling of local mechanical failures in solid oxide cell stacks

Auteurs: Xing-Yuan Miao, Omid Babaie Rizvandi, Maria Navasa, Henrik Lund Frandsen
Publié dans: Applied Energy, Numéro Vol. 293, 2021, Page(s) 116901, ISSN 0306-2619
Éditeur: Pergamon Press Ltd.
DOI: 10.1016/j.apenergy.2021.116901

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