公开(公告)号：US20210328226A1

公开(公告)日：2021-10-21

申请号：US17258855

申请日：2019-07-10

申请人： COMMISSARIAT Å L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES ,  SOLVAY SPECIALTY POLYMERS FRANCE

发明人： Djamel Mourzagh ,  Julio Abusleme ,  Gaëlle Besnard ,  Marc-David Braida ,  Elise Gutel ,  Hélène Rouault ,  Daniel Tomasi

IPC分类号： H01M4/62 ,  H01M10/0568 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0569 ,  H01M10/0585

摘要： 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.