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Calcium and magnesium metal anode based batteries

Total Cost €


EC-Contrib. €






 CAMBAT project word cloud

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

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Project "CAMBAT" data sheet

The following table provides information about the project.


Organization address
address: CALLE SERRANO 117
city: MADRID
postcode: 28006

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 Spain [ES]
 Total cost 1˙688˙705 €
 EC max contribution 1˙688˙705 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-01-01   to  2021-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Li-ion battery is ubiquitous and has emerged as the major contender to power electric vehicles, yet Li-ion is slowly but surely reaching its limits and controversial debates on lithium supply cannot be ignored. New sustainable battery chemistries must be developed and the most appealing alternatives are to use Ca or Mg metal anodes which would bring a breakthrough in terms of energy density relying on much more abundant elements. Since Mg and Ca do not appear to be plagued by dendrite formation like Li, metal anodes could thus safely be used. While standard electrolytes forming stable passivation layers at the electrode/electrolyte interfaces enabled the success of the Li-ion technology, the migration of divalent cations through a passivation layer was thought to be impossible. Thus, all research efforts to date have been devoted to the formulation of electrolytes that do not form such layer. This approach comes with complex electrolyte, highly corrosive and with narrow electrochemical stability window leading to incompatibility with high voltage cathodes thus penalizing energy density. The applicant demonstrated that calcium can be reversibly plated and stripped through a stable passivation layer when transport properties within the electrolyte are tuned (decreasing ion pair formation). CAMBAT aims at developing new electrolytes forming stable passivation layers and allowing the migration of Ca2 and Mg2. Such a dramatic shift in the methodology would allow considering a completely new family of electrolytes enabling the evaluation of high voltage cathode materials that cannot be tested in the electrolytes available nowadays. 1Ah prototype cells will be assembled as proof of concept, targets for energy density and cost being ca. 300 Wh/kg and 250 $/kWh, respectively, thus doubling the energy density while dividing by at least a factor of 2 the price when compared to state of the art Li-ion batteries and having the potential for being SAFER (absence of dendrite).


year authors and title journal last update
List of publications.
2019 J. D. Forero-Saboya, E. Marchante, R. B. Araujo, D. Monti, P. Johansson, A. Ponrouch
Cation Solvation and Physicochemical Properties of Ca Battery Electrolytes
published pages: 29524-29532, ISSN: 1932-7447, DOI: 10.1021/acs.jpcc.9b07308
The Journal of Physical Chemistry C 123/49 2020-01-30
2019 M. Elena Arroyo-de Dompablo, Alexandre Ponrouch, Patrik Johansson, M. Rosa Palacín
Achievements, Challenges, and Prospects of Calcium Batteries
published pages: , ISSN: 0009-2665, DOI: 10.1021/acs.chemrev.9b00339
Chemical Reviews 2020-01-30
2019 Romain Dugas, Juan D. Forero-Saboya, Alexandre Ponrouch
Methods and Protocols for Reliable Electrochemical Testing in Post-Li Batteries (Na, K, Mg, and Ca)
published pages: 8613-8628, ISSN: 0897-4756, DOI: 10.1021/acs.chemmater.9b02776
Chemistry of Materials 31/21 2020-01-30
2019 A. Ponrouch, J. Bitenc, R. Dominko, N. Lindahl, P. Johansson, M.R. Palacin
Multivalent rechargeable batteries
published pages: 253-262, ISSN: 2405-8297, DOI: 10.1016/j.ensm.2019.04.012
Energy Storage Materials 20 2019-09-05
2018 A. Ponrouch, M.R. Palacin
On the road toward calcium-based batteries
published pages: , ISSN: 2451-9103, DOI: 10.1016/j.coelec.2018.02.001
Current Opinion in Electrochemistry 2019-06-13
2019 Alexandre Ponrouch, M. Rosa Palacín
Post-Li batteries: promises and challenges
published pages: 20180297, ISSN: 1364-503X, DOI: 10.1098/rsta.2018.0297
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377/2152 2019-09-05
2017 D. S. Tchitchekova, D. Monti, P. Johansson, F. Bardé, A. Randon-Vitanova, M. R. Palacín, A. Ponrouch
On the Reliability of Half-Cell Tests for Monovalent (Li + , Na + ) and Divalent (Mg 2+ , Ca 2+ ) Cation Based Batteries
published pages: A1384-A1392, ISSN: 0013-4651, DOI: 10.1149/2.0411707jes
Journal of The Electrochemical Society 164/7 2019-06-13

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