Opendata, web and dolomites


Chemistry and interface tailored lead-free relaxor thin films for energy storage capacitors

Total Cost €


EC-Contrib. €






 CITRES project word cloud

Explore the words cloud of the CITRES project. It provides you a very rough idea of what is the project "CITRES" about.

relaxors    dbs    electrodes    whereas    maximising    autonomous    capacity    ground    units    multiscale    supercapacitors    ionic    multilayer    performances    metal    mechanisms    obtaining    substitution    electrode    internet    nature    thin    diffusion    leakage    meet    batteries    loops    citres    times    intrinsic    slow    hysteresis    possess    mlccs    rtf    length    atomistic    storage    charging    recharge    power    strength    dielectric    film    discharging    electronic    chemical    things    supply    store    latter    iot    lattice    scales    depends    time    resides    density    ceramic    porosity    currents    breaking    local    breakdown    ideal    losses    substituents    macroscopic    combining    bulk    electrical    electric    ion    demands    energy    structural    autonomy    influence    amount    first    reducing    films    quick    candidates    defects    relaxor    minimising    sensor    realisation    polarisation    reactions    atomic    capacitors    chemistry    characterizations    charge    interfaces    slim   

Project "CITRES" data sheet

The following table provides information about the project.


Organization address
city: LEOBEN
postcode: 8700

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Austria [AT]
 Total cost 1˙996˙519 €
 EC max contribution 1˙996˙519 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-COG
 Funding Scheme ERC-COG
 Starting year 2019
 Duration (year-month-day) from 2019-04-01   to  2024-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The goal of CITRES is to provide new energy storage devices with high power and energy density by developing novel multilayer ceramic capacitors (MLCCs) based on relaxor thin films (RTF).

Energy storage units for energy autonomous sensor systems for the Internet of Things (IoT) must possess high power and energy density to allow quick charge/recharge and long-time energy supply. Current energy storage devices cannot meet those demands: Batteries have large capacity but long charging/discharging times due to slow chemical reactions and ion diffusion. Ceramic dielectric capacitors – being based on ionic and electronic polarisation mechanisms – can deliver and take up power quickly, but store much less energy due to low dielectric breakdown strength (DBS), high losses, and leakage currents.

RTF are ideal candidates: (i) Thin film processing allows obtaining low porosity and defects, thus enhancing the DBS; (ii) slim polarisation hysteresis loops, intrinsic to relaxors, allow reducing the losses. High energy density can be achieved in RTF by maximising the polarisation and minimising the leakage currents. Both aspects are controlled by the amount, type and local distribution of chemical substituents in the RTF lattice, whereas the latter depends also on the chemistry of the electrode metal. In CITRES, we will identify the influence of substituents on electric polarisation from atomic to macroscopic scale by combining multiscale atomistic modelling with advanced structural, chemical and electrical characterizations on several length scales both in the RTF bulk and at interfaces with various electrodes. This will allow for the first time the design of energy storage properties of RTF by chemical substitution and electrode selection.

The ground-breaking nature of CITRES resides in the design and realisation of RTF-based dielectric MLCCs with better energy storage performances than supercapacitors and batteries, thus enabling energy autonomy for IoT sensor systems.

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The information about "CITRES" are provided by the European Opendata Portal: CORDIS opendata.

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