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Solvated Ions in Solid Electrodes: Alternative routes toward rechargeable batteries based on abundant elements

Total Cost €


EC-Contrib. €






 SEED project word cloud

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

fundamental    seed    solvation    electrode    argument    mg2    intercalated    ion    electrical    electrodes    phases    markets    tuned    ions    abundance    radius    energy    polarization    al3    initiated    performance    electrostatic    put    vehicles    forthcoming    difference    explore    progress    radii    efforts    generality    detrimental    radically    lib    variety    resource    chains    decades    solvated    host    question    good    na    efficient    exchanged    charge    effect    frustrating    instead    solutions    shell    reversibly    grid    promise    too    density    limited    thanks    discharge    ca2    naked    intercalation    rising    shield    reversible    interfaces    libs    latest    amounts    multivalent    motivated    lattice    mismatch    co    storage    storing    lithium    batteries    lower    solvent    electric    electrolyte    ratios    structures    solid    pressure    unfavourable    acts    mobility    composition    li    separated    option    liquid    transport    supply    severe    minimized    mainly    successful   

Project "SEED" data sheet

The following table provides information about the project.


Organization address
city: BERLIN
postcode: 10117

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 Germany [DE]
 Total cost 1˙997˙811 €
 EC max contribution 1˙997˙811 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2019-COG
 Funding Scheme ERC-COG
 Starting year 2020
 Duration (year-month-day) from 2020-06-01   to  2025-05-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    HUMBOLDT-UNIVERSITAET ZU BERLIN DE (BERLIN) coordinator 1˙997˙811.00


 Project objective

Storing large amounts of electrical energy is a major challenge for the forthcoming decades. Today, lithium-ion batteries (LIBs) are considered the best option for electric vehicles and grid storage but these rising markets put severe pressure on resource and supply chains. The principle of LIBs is based on solid electrodes separated by a liquid electrolyte between which Li ions are reversibly exchanged during charge and discharge. The efficient Li transport in the different phases and across the interfaces is essential for achieving a good performance. A fundamental difference between ion transport in solid phases and ion transport in solutions is that the ions are “naked” in the solid phase but solvated in the liquid phase. Recently major efforts have been initiated to adopt the successful LIB concept to other working ions such as Na, K, Mg2, Ca2 or Al3. This is motivated by the promise of lower cost thanks to their abundance as well as in some cases higher energy density. The progress, however, is limited mainly due to an unfavourable mismatch between the solid electrode host structures and the ion radii or too large charge/radius ratios. Especially multivalent ions lead to severe lattice polarization frustrating ion mobility in solid electrodes. This project aims at a radically different concept, i.e. instead of “naked” ions, solvated ions will be intercalated into the electrodes. Solvent co-intercalation is traditionally considered as highly detrimental. Latest results, however, question the generality of this argument. The SEED project will explore the concept of using solvated ions in solid electrodes for the reversible storage of a variety of ions. As the solvation shell acts as electrostatic shield and can be tuned in its composition, lattice polarization can be minimized. Using this effect, the SEED project finally aims at enabling reversible charge storage of multivalent ions in host structures with properties far beyond current state-of-the art.

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

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