公开(公告)号：US20180301759A1

公开(公告)日：2018-10-18

申请号：US16016304

申请日：2018-06-22

Applicant: Solvay SA

Inventor： Charles J. Dubois ,  Viacheslav A. Petrov ,  Mark Gerrit Roelofs

IPC: H01M10/0569 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  H01M10/0567 ,  H01M4/485 ,  H01M4/587 ,  H01M4/02

Abstract: A lithium ion battery that has a 5 V stabilized manganese cathode and a nonaqueous electrolyte comprising a phosphate additive is described. The lithium ion battery operates with a high voltage cathode (i.e. up to about 5 V) and has improved cycling performance at high temperature.

公开(公告)号：US11289738B2

公开(公告)日：2022-03-29

申请号：US15749807

申请日：2016-06-03

Applicant: SOLVAY SA

Inventor： Samuel David Arthur ,  Stephen E. Burkhardt ,  Kostantinos Kourtakis ,  Brian Levy-Polis ,  Jun J. Liu ,  Mark Gerrit Roelofs

IPC: H01M10/0568 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0569 ,  H01M4/131 ,  H01M4/02

Abstract: Described herein are: An electrolyte composition comprising a) a fluorinated solvent for an electrolyte salt; b) an oxalate salt represented by the Formula LiPF(6-2q)(Ox)q, wherein Ox is an oxalate moiety and q is 1, 2 or 3; and c) optionally, at least one electrolyte salt. In some embodiments, the electrolyte composition comprises a mole ratio of Ox/P in the range of from 0.001 to 5. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

公开(公告)号：US10686220B2

公开(公告)日：2020-06-16

申请号：US14244968

申请日：2014-04-04

Applicant: Solvay SA

Inventor： Stephen E. Burkhardt ,  Xudong Chen ,  Charles J. Dubois ,  William L. Holstein ,  Kostantinos Kourtakis ,  Mark Gerrit Roelofs

IPC: H01M10/0567 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/587

Abstract: Electrolyte compositions comprising fluorinated acyclic carboxylic acid esters, fluorinated acyclic carbonates, and/or fluorinated acyclic ethers; co-solvents; and certain film-forming chemical compounds are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries where they provide the improved performance of a combination of high capacity and high cycle life.

公开(公告)号：US10559850B2

公开(公告)日：2020-02-11

申请号：US15311330

申请日：2015-05-14

Applicant: Solvay SA

Inventor： Charles J. Dubois ,  Kostantinos Kourtakis ,  Jun J. Liu ,  Mark Gerrit Roelofs

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/50 ,  H01M4/525 ,  H01M4/505

Abstract: Described herein are electrolyte compositions containing an organic carbonate, a fluorinated solvent, a cyclic sulfate, and at least one electrolyte salt. The cyclic sulfate can be represented by the formula: wherein each A is independently a hydrogen or an optionally fluorinated vinyl, allyl, acetylenic, propargyl, or C1-C3 alkyl group. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

公开(公告)号：US20170250445A1

公开(公告)日：2017-08-31

申请号：US15503794

申请日：2015-08-12

Applicant: Solvay SA

Inventor： Stephen E. Burkhardt ,  Kostantinos Kourtakis ,  Jun J. Liu ,  Mark Gerrit Roelofs ,  Sang-Hwan Kim

IPC: H01M10/0569 ,  H01M10/0567 ,  H01M4/587 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568

Abstract: Described are electrolyte compositions comprising a fluorinated solvent, an organic carbonate, a sultone, and optionally a borate. The fluorinated solvent may be a fluorinated acyclic carboxylic acid ester, a fluorinated acyclic carbonate, a fluorinated acyclic ether, or mixtures thereof. The organic carbonate may be fluorinated or non-fluorinated. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

公开(公告)号：US11374260B2

公开(公告)日：2022-06-28

申请号：US16305438

申请日：2016-06-03

Applicant: SOLVAY SA

Inventor： Stephen E. Burkhardt ,  Kostantinos Kourtakis ,  Mark Gerrit Roelofs

IPC: H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/505 ,  H01M4/525

Abstract: Disclosed herein are electrolyte compositions comprising a fluorinated solvent, a fluorinated sulfone, at least one component selected from a borate salt, and/or an oxalate salt, and/or a fluorinated cyclic carbonate, and at least one electrolyte salt. The fluorinated solvent may be a fluorinated acyclic carboxylic acid ester, a fluorinated acyclic carbonate, a fluorinated acyclic ether, or combinations thereof. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

公开(公告)号：US10673096B2

公开(公告)日：2020-06-02

申请号：US15503794

申请日：2015-08-12

Applicant: Solvay SA

Inventor： Stephen E. Burkhardt ,  Kostantinos Kourtakis ,  Jun J. Liu ,  Mark Gerrit Roelofs ,  Sang-Hwan Kim

IPC: H01M10/0569 ,  H01M6/16 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568

Abstract: Described are electrolyte compositions comprising a fluorinated solvent, an organic carbonate, a sultone, and optionally a borate. The fluorinated solvent may be a fluorinated acyclic carboxylic acid ester, a fluorinated acyclic carbonate, a fluorinated acyclic ether, or mixtures thereof. The organic carbonate may be fluorinated or non-fluorinated. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

公开(公告)号：US10205192B2

公开(公告)日：2019-02-12

申请号：US15311312

申请日：2015-05-14

Applicant: Solvay SA

Inventor： Charles J. Dubois ,  Kostantinos Kourtakis ,  Jun J. Liu ,  Mark Gerrit Roelofs

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/1315 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/583

Abstract: Described are electrolyte compositions containing a non-fluorinated carbonate, a fluorinated solvent, a cyclic sulfate, at least one lithium borate salt selected from lithium bis(oxalato)borate, lithium difluoro(oxalato)borate, lithium tetrafluoroborate, or mixtures thereof, and at least one electrolyte salt. The cyclic sulfate can be represented by the formula: wherein each A is independently a hydrogen or an optionally fluorinated vinyl, allyl, acetylenic, propargyl, or C1-C3 alkyl group. The electrolyte composition may further comprise a fluorinated cyclic carbonate. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

公开(公告)号：US10074874B2

公开(公告)日：2018-09-11

申请号：US14404169

申请日：2013-03-08

Applicant: Solvay SA

Inventor： Charles J. Dubois ,  Viacheslav A. Petrov ,  Mark Gerrit Roelofs

IPC: H01M10/0569 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/0567 ,  H01M4/131 ,  H01M4/525 ,  H01M4/485 ,  H01M4/587 ,  H01M4/02

CPC classification number: H01M10/0569 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M2004/028 ,  H01M2300/0034 ,  H01M2300/0037

Abstract: A lithium ion battery that has a 5 V stabilized manganese cathode and a nonaqueous electrolyte comprising a phosphate additive is described. The lithium ion battery operates with a high voltage cathode (i.e. up to about 5 V) and has improved cycling performance at high temperature.

公开(公告)号：US20230395858A1

公开(公告)日：2023-12-07

申请号：US18451633

申请日：2023-08-17

Applicant: Solvay SA

Inventor： Stephen E. Burkhardt ,  Kostantinos Kourtakis ,  Mark Gerrit Roelofs ,  Charles J. Dubois

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/58 ,  H01M4/583 ,  H01M4/525 ,  H01M4/505

CPC classification number: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/5825 ,  H01M2004/027 ,  H01M4/525 ,  H01M4/505 ,  H01M2300/0051 ,  H01M2300/0034 ,  H01M2300/0037 ,  H01M4/583

Abstract: The present disclosure is related to an electrolyte composition comprising from 30 to 80% by weight of CH3CO2CH2CF2H, from 10 to 60% by weight of ethylene carbonate or propylene carbonate, from 0.1 to 1.0% by weight of lithium bis(oxalate) borate, from 0.2 to 2.0 moles/L of lithium hexafluorophosphate and from 0.1 to 2% by weight of fluoroethylene carbonate, where the amounts of compounds are based on the total weight of the electrolyte composition, and where when used as an electrolyte in a lithium-ion battery, the composition exhibits an 80% cycle life of at least 250 at a cycling rate is 240 mA/g.