公开(公告)号：US3846179A

公开(公告)日：1974-11-05

申请号：US28769672

申请日：1972-09-11

Applicant: SAFT BATTERIES LTD

Inventor： SHAW F

IPC: H01M2/10 ,  H01M1/04

CPC classification number: H01M2/1077

Abstract: 1. For use in an assembly of spaced apart voltaic cells, each of said cells having vertically disposed front and side walls, where said front walls are substantially aligned relative to one another; a spacer comprising: first and second body portions disposed along a longitudinal axis of said spacer; two vertically disposed and parallel sides of said first body portion being substantially perpendicular to a first surface of said second body portion; a second surface of said second body portion carrying at least one inclined raised surface extending towards said first body portion and ending before said first body portion and ending before said first body portion in at least one third surface which is substantially perpendicular to said first surface and to said sides, and which extends beyond at least one side of said first body portion; and a hole located outwardly of said first surface and passing through said first body portion substantially perpendicular to said sides.

公开(公告)号：US20250162724A1

公开(公告)日：2025-05-22

申请号：US18839969

申请日：2023-02-27

Applicant: SAFT

Inventor： Jérôme COUMONT

IPC: B64D45/00 ,  H01M10/42 ,  H01M50/583 ,  H02J7/00

Abstract: The present invention relates to a battery comprising a casing, the casing defining an interior space, the battery comprising a set of internal elements, the internal elements being inserted into the interior space, the set of internal elements comprising: at least one electrochemical element, a system for managing the at least one electrochemical element, and a circuit for maintaining the at least one electrochemical element, the maintaining circuit being able to obtain a measurement of a parameter relative to the state of health of the at least one electrochemical element.

公开(公告)号：US12288901B2

公开(公告)日：2025-04-29

申请号：US17782419

申请日：2020-11-30

Applicant: SAFT

Inventor： Emmanuelle Garitte ,  Philippe Borel ,  Dinh An Nguyen ,  Mélanie Dendary ,  Laure Le Guenne

IPC: H01M10/653 ,  H01M50/581

Abstract: The present invention relates to a battery comprising: -i) at least two electrochemical elements (d) connected to one another by a connection part (c), each electrochemical element comprising a container, -ii) a material arranged between said at least two electrochemical elements, and -iii) at least one disconnection device, said device comprising: a heat-activatable element (a) able to deform when its temperature reaches a threshold value, the heat-activatable element being arranged such that, when its temperature reaches said threshold value, it disconnects the connection part (c) from at least one electrochemical element (d) through its deformation, said heat-activatable element not contributing to the conduction of electric current when an electric current flows through said electrochemical elements, said heat-activatable element being placed in contact with the connection part (c) and with a current output terminal.

公开(公告)号：US20240405193A1

公开(公告)日：2024-12-05

申请号：US18698133

申请日：2022-10-04

Applicant: SAFT

Inventor： Fabrice RENE ,  Catherine LEPILLER ,  Benjamin LE GUERN ,  Olivier HUCHET

IPC: H01M4/133 ,  H01M4/02 ,  H01M4/134 ,  H01M4/40 ,  H01M4/58 ,  H01M50/107

Abstract: An electrochemical cell including a container including an electrochemical spiral bundle including: a positive electrode including an active material selected from among SOCl2, SO2, SO2Cl; CFx where x≤1.5; MnO2, FeS2, V2O5, I2, Bi2O3, Bi2Pb2O5, CuCl2, CuF2, CuO, Cu4O(PO4)2, CuS, FeS, MoO3, Ni3S2, AgCl, Ag2CrO4, SVO, MO6S8, and a mixture of a plurality thereof; a separator; and a negative electrode including an active material made of lithium metal or of a lithium-based alloy. The outer face of the spiral, facing the container, is formed by the positive electrode, and a strip of lithium or of a lithium-based alloy at least partially covers the inner face of the container. The strip pressed against the inner face of the container makes it possible to make use of an outer face of the positive electrode which forms the last turn of the spirally-wound electrode plate group.

公开(公告)号：US20240347811A1

公开(公告)日：2024-10-17

申请号：US18700068

申请日：2022-09-28

Applicant: PSA AUTOMOBILES SA ,  SAFT

Inventor： Nicolas CHAURIS ,  Mathieu GALVAING ,  Guillaume TATRIE ,  Maximilien PERQUIA

IPC: H01M10/6557 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6568 ,  H01M50/211 ,  H01M50/249

CPC classification number: H01M10/6557 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6568 ,  H01M50/211 ,  H01M50/249

Abstract: This module comprises a stack, comprising: * a plurality of electrochemical cells (18); * at least one intermediate part (20) interposed between each pair of adjacent cells (18); * a mechanism for holding the stack clamping the cells (18) and the intermediate parts (20) against one another. The module comprises at least one dielectric liquid for cooling the stack. The intermediate part (20) defines at least one open channel (82A, 82B) for flow of the dielectric liquid. The channel (82A, 82B) opens onto the periphery of the stack in order to allow the dielectric liquid to flow through the stack and opens facing a main face (74, 76) of at least one cell (18), which face is applied against the intermediate part (20), in order to place the main face (74, 76) in contact with the dielectric liquid.

公开(公告)号：US20240210486A1

公开(公告)日：2024-06-27

申请号：US18288089

申请日：2021-04-29

Applicant: SAFT

Inventor： Sébastien LAURENT ,  Mouna DAHMANI ,  Sébastien BENJAMIN

IPC: G01R31/392 ,  G01R31/367 ,  G01R31/374 ,  G01R31/3842 ,  G01R31/389 ,  G01R31/396 ,  H02J7/00

CPC classification number: G01R31/392 ,  G01R31/367 ,  G01R31/374 ,  G01R31/3842 ,  G01R31/389 ,  G01R31/396 ,  H02J7/0047

Abstract: The invention relates to a method for predicting the remaining life of an electrochemical cell having a SOC-OCV characteristic with a planar portion extending between two limits, said method comprising the steps of obtaining voltage and current measurements from the electrochemical cell during a discharge, detecting a limit; calculating the values at the voltage limit detected and the amount of charge lost; predicting the resistance and capacitance of the electrochemical cell by applying respective predictive functions obtained by a learning technique to the voltage and the amount of charge lost at the limit detected; and predicting the remaining life of the electrochemical cell from the predicted resistance and predicted capacitance.

公开(公告)号：US20240201270A1

公开(公告)日：2024-06-20

申请号：US17909864

申请日：2021-03-11

Applicant: SAFT

Inventor： Sébastien LAURENT ,  Sébastien BENJAMIN ,  Isabelle SOURMEY ,  Romain CAYZAC ,  Willy PRODHOMME ,  Nicolas PAQUIN

IPC: G01R31/387 ,  G01R31/367 ,  G01R31/374 ,  G01R31/378

CPC classification number: G01R31/387 ,  G01R31/367 ,  G01R31/374 ,  G01R31/38

Abstract: The present invention relates to a method for determining the lifetime of an electrochemical element of a battery in real time as a function of a determined application, applicable in the field of primary type batteries. The method comprises: —a step (1) of measuring at least one intensity value (I) of the current provided by the electrochemical element and of measuring at least one temperature value (T) of the electrochemical element in the determined application; —a step (4) of computing total lifetime allowing the availability time of the electrochemical element to be computed on the basis of a determined initial time, as a function of the one or more current intensity value(s) (I) and of the one or more temperature values (T) measured during the measuring step (1), as a function of a determined value of the capacity of the electrochemical element, of the cut-off voltage of the determined application, and of the background current of the determined application.

公开(公告)号：US20240162429A1

公开(公告)日：2024-05-16

申请号：US18281407

申请日：2022-03-09

Applicant: SAFT

Inventor： Mélanie VILLALOBOS ,  Anaîs BERTHELLEMY ,  Tanalou BOURA

IPC: H01M4/42 ,  H01M4/02 ,  H01M4/24 ,  H01M10/32

CPC classification number: H01M4/42 ,  H01M4/24 ,  H01M10/32 ,  H01M2004/021

Abstract: A paste electrode comprising a current collector support, which is coated on at least one of its faces with a coating composed of a composition comprising an active material comprising an alloy of zinc with one or more chemical elements, and one or more binders. This electrode may be used as an anode of an electrochemical cell comprising alkaline electrolyte. The coating contains at most 0.5% by mass of mercury or mercury compound. The electrode in spite of this presents effective resistance to corrosion by the electrolyte.

公开(公告)号：US11955624B2

公开(公告)日：2024-04-09

申请号：US17084374

申请日：2020-10-29

Applicant: SAFT AMERICA

Inventor： Xilin Chen ,  Frank Cao

IPC: H01M4/36 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/48

CPC classification number: H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/482 ,  H01M2004/028 ,  H01M2010/4271

Abstract: The present disclosure relates to blended cathode materials for use as a positive electrode material of a rechargeable electrochemical cell (or secondary cell) (such as a lithium-ion secondary battery) and also relates to a secondary battery including a cathode having the blended cathode materials. In particular, disclosed are blends of lithium vanadium fluorophosphate (LVPF) or a derivative thereof with one or more conventional cathode active materials in certain weight ratios thereof.

公开(公告)号：US20230403162A1

公开(公告)日：2023-12-14

申请号：US18033440

申请日：2021-10-28

Applicant: SAFT

Inventor： Stéphane ALAIMO

IPC: H04L9/32

CPC classification number: H04L9/3263

Abstract: The invention relates to a method for securing the operation of an industrial system comprising pieces of equipment, the process comprising a phase of obtaining a digital certificate authorizing an operator to access a piece of equipment in order to carry out an action, a phase of attempting to access a piece of equipment in order to carry out an action on the piece of equipment, the attempt phase comprising, in particular, a step of authorizing access to the piece of equipment in order to carry out an action when a compliance requirement relating to the digital certificate is met or refusing access when the compliance requirement is not met.