E.i. Dupont De Nemours and Company

Solvay Sa

Toyota Jidosha Kabushiki Kaisha

Other

The Chemours Company Fc, LLC

Mark Gerrit Roelofs

Kostantinos Kourtakis

Jun J Liu

Charles J Dubois

Christopher Marc Doyle

Zhen-Yu Yang

Xudong Chen

Stephen E Burkhardt

Andrew Edward Feiring

William Brown Farnham

William L Holstein

Viacheslav Alexandrovich Petrov

Robert Clayton Wheland

Peter Arnold Morken

Lin Wang

Ralph Munson Aten

August Ferretti

John D Bierlein

Masanori Aimu

Randal Lewis Perry

Samuel David Arthur

Nobuaki Nonoyama

Mark F Teasley

Paul Gregory Bekiarian

Masayoshi Takami

Stephen A Perusich

Mark E Lewittes

William Bindloss, Jr

Toshihiko Yoshida

Susan Kuharcik Choi

Amy Qi Han, Legal Representative

Govindarajulu Rajendran

Brian Levy-Polis

Misaki Kobayashi

Sang-Hwan Kim

Biswajit Choudhury

Hanne A K Blau

Randal L Perry

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.

Nonaqueous electrolyte compositions comprising fluorinated sulfones

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.

Additives to improve electrolyte performance in lithium ion battery

Described herein are: An electrolyte composition comprising a) a fluorinated solvent for an electrolyte salt; b) an oxalate salt represented by the Formula LiPF(Ox), 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.

Nonaqueous electrolyte compositions comprising lithium oxalato phosphates

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.

Nonaqueous electrolyte compositions

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.

Nonaqueous electrolyte compositions comprising sultone and fluorinated solvent

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 C-Calkyl group. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

Nonaqueous electrolyte compositions comprising cyclic sulfates

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 C-Calkyl group. The electrolyte composition may further comprise a fluorinated cyclic carbonate. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

Nonaqueous electrolyte compositions comprising cyclic sulfates and lithium borates

Additives to improve electrolyte performance in lithium ion batteries

Electrolyte compositions containing a solvent mixture comprising 2,2,-difluoroethyl acetate and ethylene carbonate are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

Fluorinated electrolyte compositions

A lithium ion battery that has a spinel cathode and a nonaqueous electrolyte comprising a fluorinated acyclic carboxylic acid ester and/or a fluorinated acyclic carbonate solvent is described. The lithium ion battery operates at a high voltage (i.e. up to about 5 V) and has improved cycling performance at high temperature.

Lithium ion battery

An electrode () for fuel cell comprises: a catalyst carrier () that is an electrically-conductive carrier () with a catalyst () supported thereon; a first electrolyte resin (); and a second electrolyte resin (). The first electrolyte resin has oxygen permeability of less than 2.2&#xd7;10mol/(m s Pa) in an environment having temperature of 80 degrees Celsius and relative humidity of 50%. The second electrolyte resin has oxygen permeability of not less than 2.2&#xd7;10mol/(m s Pa) in the environment having temperature of 80 degrees Celsius and relative humidity of 50%.

Electrode for fuel cell, manufacturing method of electrode for fuel cell, polymer electrolyte fuel cell and catalyst ink

A cathode catalyst layer used for a polymer electrolyte fuel cell that includes an electrolyte membrane is provided. The cathode catalyst layer comprises a catalyst having weight of not greater than 0.3 mg/cmof a reaction surface of the cathode catalyst layer that is adjoining the electrolyte membrane; and an electrolyte resin having oxygen permeability of not less than 2.2*10mol/m/s/Pa in an environment of temperature of 80 degrees Celsius and relative humidity of 50%.

Cathode catalyst layer, membrane electrode assembly and polymer electrolyte fuel cell and manufacturing method thereof

A lithium ion battery cathode material, and an electrode prepared from such material, is described. The cathode material has a layered-spinel composite structure. The lithium ion battery operates at a high voltage (i.e. up to about 5 V) and has a desirably high cycling performance and rate capability.

Cathode material and battery

Described herein is a process to prepare crosslinkable polymers based on trifluorostyrene, and their use as polymer electrolyte membranes.

Process to prepare crosslinkable trifluorostyrene polymers and membranes

Growing community of inventors

Earleville, MD, United States of America

Mark Gerrit Roelofs