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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.

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

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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