公开(公告)号：US20240186488A1

公开(公告)日：2024-06-06

申请号：US18285443

申请日：2022-03-28

Applicant: SAFT

Inventor： Benoit MORTEMARD DE BOISSE ,  Valérie DILLAY ,  Michel ULLDEMOLINS

IPC: H01M4/36 ,  C01G53/00 ,  H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

CPC classification number: H01M4/366 ,  C01G53/54 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  C01P2002/52 ,  C01P2004/84 ,  C01P2006/40

Abstract: A compound of formula LixMn2-y-zNiyMO4-d-cFc (LMNO) where M is one or more elements chosen from the group consisting of B, Mg, Al, Si, Ca, Ti, V, Cr, Fe, Co, Cu, Zn, Y, Zr, Nb, Ru, W and Mo; and 1≤x≤1.4; 0

公开(公告)号：US20200266492A1

公开(公告)日：2020-08-20

申请号：US16647979

申请日：2018-10-01

Applicant: SAFT

Inventor： Erwan DUMONT ,  Frédéric CASTAING ,  Benjamin LE GUERN ,  Fabrice RENE ,  Michel ULLDEMOLINS ,  Cécile TESSIER ,  Jean-Paul PERES ,  Florent FISCHER

IPC: H01M10/0569 ,  H01M2/16 ,  H01M4/62 ,  H01M4/74 ,  H01M10/0525

Abstract: A lithium-ion electrochemical cell comprising: at least one negative electrode comprising an active material having an operating potential greater than or equal to 1 V with respect to the potential of the electrochemical couple Li+/Li; at least one positive electrode; the negative electrode and/or the positive electrode comprising a binder selected from polytetrafluoroethylene, polyamideimide, polyimide, styrene-butadiene rubber and polyvinyl alcohol or a mixture thereof; a liquid electrolyte comprising a solvent which is an ionic liquid; a separator having a shrinkage of less than or equal to 3% in the direction of its length and in the direction of its width, after exposure to a temperature of 200° C. for a period of at least one hour. This electrochemical cell can be used in charge or discharge at a temperature ranging from room temperature to 150° C. or higher.