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Storage of Electrons into Chemical Bonds: Towards Molecular Solar Electrical Batteries

Objective

While photovoltaics has observed rapid growth in the last decades and utilization of solar energy becomes ever growing part of the total electricity produced by mankind, the lack of control over electrical output caused by fluctuation of solar irradiance is an inevitable drawback of the mass use of solar cells. Solar batteries, addressing intermittent production of solar energy, offer an elegant solution without the need of electricity transport and redistribution. In most examples solar cells are combined with rechargeable batteries (e. g. Li-ion, Pb) which increases the total weight and cost and leads to electricity losses. The approaches for molecular-based storage of light energy, solar thermal batteries, exploit photoswitching molecules (solar fuels) that generate heat upon thermal back isomerization. To this date, no molecular approach for solar energy storage and subsequent direct generation of electric current exists because this requires development of light-activatable molecules capable of hysteric electron storage and release. SOLBATT develops molecular systems for transformation of light energy into chemical bonds and their subsequent transformation to electric current. It uses fully organic redox-driven molecular switches that reversibly form an electron storing bond upon redox process and combines them with suitable redox-active partners that facilitate photoinduced electron transfer. SOLBATT (1) improves our understanding of electron storage into chemical bonds and their subsequent release, (2) delivers redox-responsive molecular systems that can be charged or discharged upon external stimulus, and (3) established design principles for photoactive redox materials suitable for the use in organic solar cells. Ultimately, SOLBATT takes the vital step in finding a solution to a challenging issue: combining organic solar cells with electron storage materials for solar electric batteries buffering the inherent fluctuations in solar electricity production.

Fields of science (EuroSciVoc)

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Keywords

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Programme(s)

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Topic(s)

Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.

Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) ERC-2021-STG

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Host institution

USTAV ORGANICKE CHEMIE A BIOCHEMIE, AV CR, V.V.I.
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 1 449 034,00
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 1 449 034,00

Beneficiaries (1)

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