公开(公告)号：US20250011180A1

公开(公告)日：2025-01-09

申请号：US18711237

申请日：2022-11-17

Applicant: SAFT ,  Centre national de la recherche scientifique ,  ECOLE NATIONALE SUPERIEURE D INGENIEURS DE CAEN ,  UNIVERSITE DE CAEN NORMANDIE

Inventor： Vincent PELE ,  Christian JORDY ,  Audric NEVEU ,  Valérie PRALONG

IPC: C01D15/00 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/0562

Abstract: The present invention relates to sulfide solid electrolytes having improved conductivity, a process for the preparation thereof, and electrochemical elements and batteries containing same.

公开(公告)号：US20240413348A1

公开(公告)日：2024-12-12

申请号：US18699823

申请日：2022-10-12

Applicant: SAFT ,  AUTOMOTIVE CELLS COMPANY SE

Inventor： Evan ADAMCZYK ,  André DE ALMEIDA ,  Julie PERISSÉ

IPC: H01M4/66 ,  H01M4/02 ,  H01M4/62 ,  H01M10/0525

Abstract: The present application relates to an insulating film obtained by dry processing, to a method for obtaining same and to the use thereof to coat electrode tabs, in particular positive electrode tabs for Li-ion batteries.

公开(公告)号：US20240332753A1

公开(公告)日：2024-10-03

申请号：US18681545

申请日：2021-08-18

Applicant: SAFT

Inventor： Kyle ALCIDE ,  Andrew ANDERSON ,  Sébastien BADET ,  Gilles PHILIPPE

IPC: H01M50/538 ,  H01M10/0583 ,  H01M50/103 ,  H01M50/15 ,  H01M50/209 ,  H01M50/536

CPC classification number: H01M50/538 ,  H01M10/0583 ,  H01M50/103 ,  H01M50/15 ,  H01M50/209 ,  H01M50/536

Abstract: This electrochemical assembly comprises a first electrochemical stack, having first stack electrodes of a first polarity and first stack electrodes of a second polarity. The first stack electrodes of the first polarity comprise first terminal tabs of the first polarity and forming a first electric terminal tab stack.
The electrochemical assembly comprises a second electrochemical stack, having second stack electrodes of the first polarity and second stack electrodes of the second polarity. The second stack electrodes of the first polarity comprise second terminal tabs of the first polarity and forming a second electric terminal tab stack.
The electrochemical assembly comprises a first terminal comprising a terminal portion and a tab connection portion. The first electric terminal tab stack overlaps the second electric terminal tab stack and is electrically connected to the tab connection portion of the first terminal via the second electric terminal tab stack.

公开(公告)号：US20240297304A1

公开(公告)日：2024-09-05

申请号：US18171799

申请日：2023-02-21

Applicant: SAFT AMERICA

Inventor： Xilin CHEN ,  Frank CAO ,  Lianxi YANG ,  Carlos NEGRETE ,  Thomas GRESZLER

IPC: H01M4/485 ,  H01M4/1315 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569

CPC classification number: H01M4/485 ,  H01M4/1315 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/004

Abstract: Provided is a lithium-ion secondary batteries including lithium vanadium fluorophosphate (e.g., LiVPO4F and its derivatives) and/or a mix containing LVPF as a positive electrode active material and an electrolytic solution including tris(trimethylsilyl)phosphate (TTSP) to reduce cycle capacity loss.

公开(公告)号：US20240234829A1

公开(公告)日：2024-07-11

申请号：US18562098

申请日：2022-05-16

Applicant: SAFT

Inventor： Alexandre BEUGNON ,  Valentin BLONZ

IPC: H01M10/0585 ,  H01M10/0525 ,  H01M50/103 ,  H01M50/105 ,  H01M50/176 ,  H01M50/178 ,  H01M50/533 ,  H01M50/547 ,  H01M50/557 ,  H01M50/566

CPC classification number: H01M10/0585 ,  H01M10/0525 ,  H01M50/103 ,  H01M50/105 ,  H01M50/176 ,  H01M50/178 ,  H01M50/533 ,  H01M50/547 ,  H01M50/557 ,  H01M50/566

Abstract: The present electrochemical element for a battery comprises a first electrode of a first polarity, a first connection member for the first polarity, a second electrode of a second polarity, a second connection member for the second polarity, and a casing comprising a first wall and a second wall. The casing comprises a first edge and a second edge which form an enveloping geometric shape having a corner.
The first connection member and the second connection member are arranged completely within the enveloping geometric shape. The first connection member and the second connection member are arranged in a first corner of the enveloping geometric shape.

公开(公告)号：US20240170645A1

公开(公告)日：2024-05-23

申请号：US18283982

申请日：2022-04-08

Applicant: SAFT

Inventor： Lucille GAL ,  Michelle BAUDRY

IPC: H01M4/36 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/44 ,  H01M10/48

CPC classification number: H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0525 ,  H01M10/44 ,  H01M10/48 ,  H01M2004/021

Abstract: The invention relates to a mixture comprising: —more than 50 to 99% by weight of a lithium phosphate of manganese and iron—1 to less than 50% by weight of at least one lithium oxide of nickel, manganese and cobalt or at least one lithium oxide of nickel, cobalt and aluminium, or of a mixture of these two oxides, these two lithium oxides being rich in nickel. This mixture can be used as active material of the cathode of a lithium-ion electrochemical element. The charging profile of the element has a plateau indicating the end of charging.

公开(公告)号：US20240021818A1

公开(公告)日：2024-01-18

申请号：US18033738

申请日：2021-10-26

Applicant: SAFT

Inventor： Michelle BAUDRY ,  Cècile TESSIER ,  Lucille GAL

IPC: H01M4/58 ,  H01M4/131 ,  H01M4/66 ,  H01M10/0525

CPC classification number: H01M4/5825 ,  H01M4/131 ,  H01M4/661 ,  H01M10/0525 ,  H01M2004/021

Abstract: The present invention relates to an electrode comprising a current collector formed by a metal strip which is coated on at least one of the faces thereof with a composition of electrochemically active materials, the composition comprising at least one lithium manganese iron phosphate having the following formula: LixMn1-y-zFeyMzPO4, where M is selected from the group consisting of B, Mg, Al, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb and Mo, alone or in a mixture, with 0.8≤x≤1.2; 0.5≤1-y-z

公开(公告)号：US11804601B2

公开(公告)日：2023-10-31

申请号：US16569116

申请日：2019-09-12

Applicant: SAFT AMERICA

Inventor： Xilin Chen ,  Saori Tokuoka ,  Frank Cao ,  Jian Dong ,  Carine Margez ,  Owen Ou ,  Thomas Greszler

IPC: H01M4/58 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0563 ,  H01M10/0568 ,  H01M4/02

CPC classification number: H01M4/5825 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0563 ,  H01M10/0568 ,  H01M2004/028 ,  H01M2300/002

Abstract: Provided is a positive electrode active material for a lithium-ion battery, the positive electrode active material including a blend of a doped lithium manganese iron phosphate (dLMFP) according to the formula: LiMnxFeyM1−x−yPO4, wherein 0.9 70:

公开(公告)号：US20230282947A1

公开(公告)日：2023-09-07

申请号：US18008386

申请日：2021-06-04

Applicant: SAFT

Inventor： Valentin BLONZ ,  Maxence BARDIAU

IPC: H01M50/516 ,  H01M50/528 ,  H01M50/209 ,  H01M50/503

CPC classification number: H01M50/516 ,  H01M50/528 ,  H01M50/209 ,  H01M50/503

Abstract: A connection element for electrically, and mechanically connecting in a direction of connection, a first terminal of a first accumulator to a second terminal of a second accumulator, the first terminal and the second terminal protruding in a thickness direction, the connection element comprising a metal body having a first wing suitable for being welded onto the first terminal, a central part, and a second wing suitable for being welded onto the second terminal, the central part having a U-shape or a V-shape, the first wing and the second wing extending along the legs of the “U” or the “V”, respectively, the connection element being less prominent than, or at the same level in the thickness direction as at least one of the first terminal and of the second terminal.

公开(公告)号：US20230246307A1

公开(公告)日：2023-08-03

申请号：US17926512

申请日：2021-05-20

Applicant: SAFT

Inventor： Maxence BARDIAU

IPC: H01M50/536 ,  H01M50/533

CPC classification number: H01M50/536 ,  H01M50/533

Abstract: Such electrochemical unit comprises a first stack of electrochemical cells provided with a first electrical connection tab, a second stack of electrochemical cells provided with a second electrical connection tab, a common connection element, electrically connecting the first electrical connection tab and the second electrical connection tab and suitable for electrically connecting the first electrical connection tab and the second electrical connection tab to a connection terminal with a first polarity. The common connection element is connected by a material bond to the first electrical connection tab and to the second electrical connection tab.
Application to electrochemical batteries.