公开(公告)号：US20140315079A1

公开(公告)日：2014-10-23

申请号：US14357784

申请日：2012-10-29

Applicant: ARKEMA FRANCE

Inventor： Gregory Schmidt ,  Miguel Flasque

IPC: H01M10/0568

CPC classification number: H01M10/0568 ,  C07C253/30 ,  C07D233/90 ,  H01G11/62 ,  H01M10/0525 ,  Y02E60/13 ,  C07C255/30

Abstract: A method for preparing an imidazole compound with the following formula: wherein Rf is a fluorinated alkyl group comprising between 1 and 5 carbon atoms, said method including: (a) the reaction of the diaminomaleonitrile with the following formula: with the compound with the following formula: wherein Y represents a chlorine atom or the OCORf group to form the salified amide compound with the following formula: at temperature T1, and (b) the dehydration of the salified amide compound with formula (IVa) and/or the corresponding amino (IVb) to form the imidazole compound with formula (III), at temperature T2 higher than T1.

Abstract translation: 一种制备具有下式的咪唑化合物的方法：其中Rf是含有1至5个碳原子的氟化烷基，所述方法包括：（a）二氨基马来腈与下式的反应：用下列化合物 式中：Y表示氯原子或OCORf基团，以形成具有下式的盐化酰胺化合物：在温度T1下，和（b）盐化酰胺化合物与式（Ⅳa）和/或相应的氨基（ IVb）在式（III）的咪唑化合物的温度T2高于T1。

公开(公告)号：US12247154B2

公开(公告)日：2025-03-11

申请号：US17597250

申请日：2020-06-03

Applicant: Arkema France

Inventor： Gregory Schmidt

IPC: H01M10/613 ,  C09K5/04 ,  H01M4/38 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/625 ,  H01M10/6564 ,  H01M10/6571 ,  H01M10/663 ,  H01M4/02

Abstract: The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the heating of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the electrolyte including a lithium salt and the negative electrode including metallic lithium as electrochemically active material.

公开(公告)号：US10811728B2

公开(公告)日：2020-10-20

申请号：US15315133

申请日：2015-05-21

Applicant: Oxis Energy Limited ,  Arkema France

Inventor： Sebastian Desilani ,  Ashley Cooke ,  Gregory Schmidt

IPC: H01M10/0525 ,  H01M10/0569 ,  H01M4/38 ,  H01M4/58 ,  H01M10/052 ,  H01M4/62 ,  H01M2/16

Abstract: The present invention relates to a lithium-sulphur cell comprising an anode comprising lithium metal or lithium metal alloy;a cathode comprising a mixture of electroactive sulphur material and solid electroconductive material; and a liquid electrolyte comprising at least one lithium salt and a solvent comprising a dinitrile.

公开(公告)号：US20170200977A1

公开(公告)日：2017-07-13

申请号：US15315133

申请日：2015-05-21

Applicant: Oxis Energy Limited ,  Arkema France

Inventor： Sebastian Desilani ,  Ashley Cooke ,  Gregory Schmidt

IPC: H01M10/0569 ,  H01M4/38 ,  H01M10/0525 ,  H01M4/62

Abstract: The present invention relates to a lithium-sulphur cell comprising an anode comprising lithium metal or lithium metal alloy;a cathode comprising a mixture of electroactive sulphur material and solid electroconductive material; and a liquid electrolyte comprising at least one lithium salt and a solvent comprising a dinitrile.

公开(公告)号：US12199287B2

公开(公告)日：2025-01-14

申请号：US17263721

申请日：2019-07-25

Applicant: Arkema France

Inventor： Dominique Plee ,  Fabrice Domingues Dos Santos ,  Gregory Schmidt

IPC: H01M4/62 ,  C08F214/22 ,  C08L27/16 ,  H01M4/04 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/38 ,  H01M10/0525

Abstract: The invention relates to an anode for a Li-ion rechargeable battery, said anode being covered with a protective film based on fluorinated copolymer(s). The invention also relates to the processes for preparing this anode. The invention also relates to a Li-ion rechargeable battery comprising an anode according to the invention. The invention lastly relates to the use of fluorinated copolymer(s) as film for covering an anode for a lithium-ion battery comprising a negative electrode active material.

公开(公告)号：US20220389178A1

公开(公告)日：2022-12-08

申请号：US17776248

申请日：2020-11-10

Applicant: Arkema France

Inventor： Stephane Bizet ,  Gregory Schmidt ,  Jerome Chauveau

IPC: C08J5/18 ,  H01M10/0525 ,  H01M50/426 ,  H01M10/44 ,  H01M50/449

Abstract: The invention relates to a fluoropolymer film which makes it possible to manufacture a gelled dense membrane which offers a very good compromise between ionic conductivity and mechanical strength after swelling. This membrane is intended for use as a separator for Li-ion batteries.

公开(公告)号：US10128525B2

公开(公告)日：2018-11-13

申请号：US15304577

申请日：2015-04-01

Applicant: ARKEMA FRANCE

Inventor： Gregory Schmidt ,  Sophie Audureau

IPC: H01M4/82 ,  H01M10/04 ,  C01B21/086 ,  C07C303/40 ,  H01M10/0568 ,  H01M10/52 ,  H01M10/0525

Abstract: A process for preparing a fluoro compound of formula: R2—(SO2)—NX—(SO2)—F (III) including: (a) a first step for obtaining the chloro compound of formula: R1—(SO2)—NX—(SO2)—Cl; (II) this first step including the reaction of the sulfamide of formula: R0—(SO2)—NH2 (I) with a sulfureous acid and a chlorinating agent; and (b) a second step for obtaining the fluoro compound of formula (III), this second step including the reaction of the chloro compound of formula (II) with anhydrous hydrofluoric acid in at least one organic solvent; in which: X represents either a hydrogen atom or a monovalent cation M; R1 represents an electron-withdrawing group having a positive Hammett parameter σp; if R1 represents Cl, then R0 represents OH; otherwise, R0 is identical to R1; and if R1 represents Cl, then R2 represents F; otherwise, R2 is identical to R1.