Concept

Salt bridge

Related publications (36)

Second harmonic scattering of nanoparticles: A journey into the electrical double layer

In aqueous solutions, a charged surface causes the redistribution of nearby ions. The ion layers formed are known as the electrical double layer (EDL), and are widespread in many systems involving electrochemistry, colloidal science, biomedicine, and energ ...

EPFL2024

Aqueous zinc metal batteries with mild acidic electrolytes are considered promising candidates for large-scale energy storage. However, the Zn anode suffers from severe Zn dendrite growth and side reactions due to the unstable interfacial pH and the absenc ...

WILEY-V C H VERLAG GMBH2022

Lithium-ion batteries are widely implemented as energy storage devices due to their high energy density and low cost. They enabled modern portable electronics and electric ve-hicles, and are key to manage the integration of intermittent renewable electrici ...

EPFL2020

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Water-in-salt electrolytes have enabled the development of novel high-voltage aqueous lithium-ion batteries. This study explores the reasons why analogous sodium electrolytes have struggled to reach the same level of electrochemical stability. Solution str ...

WILEY-V C H VERLAG GMBH2020

Structure and reactivity of the polarised liquid–liquid interface: what we know and what we do not

Hubert Girault, Astrid Johana Olaya Avendano, Pekka Eero Peljo, Grégoire Clément Gschwend

Charge transfer phenomena at the interface between two immiscible electrolyte solutions (ITIES) are electrochemical reactions taking place in soft media. Owing to their liquid nature, the ITIES shows a large panel of electrochemical reactions including ele ...

2020

Perspective-Electrochemical Stability of Water-in-Salt Electrolytes

Corsin Battaglia, David Reber

The water-in-salt approach has expanded the electrochemical stability window of aqueous electrolytes, enabling novel aqueous batteries with relatively high cell voltages and energy densities. However, the stability of these electrolytes tends to be overest ...

2020

Salts with asymmetric (fluorosulfonyl)(trifluoromethanesulfonyl)imide (FTFSI) anions have recently been shown to suppress crystallization of water-in-salt electrolytes, enabling low-temperature operation of high-voltage aqueous rechargeable batteries. To c ...

AMER CHEMICAL SOC2020

Stability of aqueous electrolytes based on LiFSI and NaFSI

Corsin Battaglia, David Reber

Through a combination of bulk, interface, and interphase effects, water-in-salt electrolytes, employing a high salt concentration, offer a wider electrochemical stability window than traditional dilute aqueous electrolytes. Here we explore chemical stabili ...

2019

Suppressing Crystallization of Water-in-Salt Electrolytes by Asymmetric Anions Enables Low-Temperature Operation of High-Voltage Aqueous Batteries

Corsin Battaglia, David Reber

The discovery of enhanced electrochemical stability for aqueous electrolytes with very high salt concentration has stimulated the development of high-voltage aqueous batteries. We show that a key factor limiting the applicability of these batteries is the ...

AMER CHEMICAL SOC2019

Nanoporous Gold as a Highly Selective and Active Carbon Dioxide Reduction Catalyst

Giulia Tagliabue

Electrochemical conversion of CO2 into useful chemicals is a promising approach for transforming CO2 into sustainably produced fuels and/or chemical feedstocks for industrial synthesis. We report that nanoporous gold (np-Au) films, with pore sizes ranging ...

2019

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