Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Solvay Sa

Solvay France

Syensqo Sa

Gaëlle Besnard

Julio A Abusleme

Marc-David Braida

Hélène Rouault

Djamel Mourzagh

Daniel Tomasi

Christine Hamon

Ségolène Brusseau

Léo Merchat

Jérémie Salomon

Elise Gutel

An accumulator with a bipolar architecture that comprises two terminal current collectors, between which a stack of n electrochemical cells is disposed, with n being an integer at least equal to 2, wherein: —each electrochemical cell comprises a positive electrode, a negative electrode and an ion conducting membrane that is interposed between the positive electrode and the negative electrode and comprises a liquid electrolyte included in the electrodes and the ion conducting membrane; —the n electrochemical cells are separated from each other by n−1 bipolar current collectors; wherein the positive electrode and the negative electrode of each electrochemical cell are gel electrodes comprising a composite material comprising a polymeric matrix made of at least one gelling polymer (FF), an active electrode material and optionally one or more electronic conductive additives, the polymeric matrix trapping the liquid electrolyte.

Electrochemical accumulator with bipolar architecture including a specific structure

The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.

Membrane including fluoropolymer hybrid organic/inorganic composite, and electrochemical device having the same

The present invention pertains to a flexible electrode, to a process for the manufacture of said flexible electrode and to uses of said flexible electrode in electrochemical devices, in particular in secondary batteries.

Flexible battery

Fluoropolymer membrane for electrochemical devices

Growing community of inventors

Grenoble, France

Gaëlle Besnard