Abstract: The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the cooling of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the positive electrode including at least one oxide of formula LiNixMnyCozO2 with x+y+z=1, x>y and x>z, or LiNix?Coy?Alz? with x?+y?+z?=1, x?>y? and x?>z?, as electrochemically active material.

Abstract: The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the cooling of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the positive electrode including at least one oxide of formula LiNixMnyCozO2 with x+y+z=1, x>y and x>z, or LiNix?Coy?Alz? with x?+y?+z?=1, x?>y? and x?>z?, as electrochemically active material.

Abstract: A method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system including a vapor compression circuit in which a first heat transfer composition flows, and a secondary circuit in which a second heat transfer composition flows, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition; wherein the battery includes at least one electrochemical cell having a negative electrode, a positive electrode and an electrolyte including a lithium salt composition, the lithium salt composition including: —at least 99.75% by weight of a lithium salt of bis(fluorosulfonyl)imide; —chlorides Cl— at a mass content strictly less than 20 ppm. Also a system for carrying out the method.

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.

Abstract: The present invention relates generally to the field of the storage of electrical energy in rechargeable storage batteries of Li-ion type. More specifically, the invention relates to a cathode coating for a completely solid Li-ion battery. The invention also relates to a process for the preparation of said coating. The invention also relates to a cathode coated with this coating, to the process for the manufacture of such a cathode and also to the Li-ion storage batteries comprising such a cathode.

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.

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.

Abstract: The present invention relates generally to the field of the storage of electrical energy in rechargeable storage batteries of Li-ion type. More specifically, the invention relates to an anode coating for a completely solid Li-ion battery. The invention also relates to a process for the preparation of said coating. The invention also relates to an anode coated with this coating, to the process for the manufacture of such an anode and also to the Li-ion storage batteries comprising such an anode.

Abstract: A composition comprising nanoparticles having a molecule that is a cell targeting or cell penetrating molecule and an anti-oxidant, and methods of making and using the composition, are provided.

Abstract: The invention relates to a process for recycling lithium salts contained in the electrolyte of a used lithium battery, which involves supplying an electrolyte stream comprising at least one lithium salt, at least one electrolyte solvent and water; at least one step of extracting the at least one lithium salt by adding a first solvent to the electrolyte stream to recover a phase comprising the at least one lithium salt on one side and a lithium salt-depleted phase on the other side.

Abstract: A method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system including a vapor compression circuit in which a first heat transfer composition flows, and a secondary circuit in which a second heat transfer composition flows, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition; wherein the battery includes at least one electrochemical cell having a negative electrode, a positive electrode and an electrolyte including a lithium salt composition, the lithium salt composition including: —at least 99.75% by weight of a lithium salt of bis(fluorosulfonyl)imide; —chlorides Cl—at a mass content strictly less than 20 ppm. Also a system for carrying out the method.

Abstract: The invention relates to an ionic liquid comprising an anion of formula (I) and at least one onium cation, said ionic liquid having a colour of less than 115 Hazen units on the APHA scale. The invention also relates to a method for purifying an ionic liquid comprising an anion of formula (I) and at least one onium cation.

Abstract: The invention concerns a cathode composition comprising an intrinsically incorporated catholyte. The invention also concerns a quasi-solid-state Li-ion battery comprising said cathode, an anode and a separator, and a method for manufacturing said Li-ion battery.

Abstract: An electrolyte composition including: i) at least one lithium salt; ii) at least one nonaqueous solvent; and iii) at least one product from reaction of a mixture including: a) at least one diamine selected from: a1) a linear aliphatic C2 to C24 diamine; and/or a2) a cycloaliphatic C6 to C18 diamine; and/or a3) an aromatic, preferably C6 to C24, diamine; b) at least one saturated hydroxylated C3-C36 carboxylic acid; c) at least one monoacid selected from saturated linear and non-hydroxylated C2 to C18 carboxylic acids; the composition having a viscosity measured at 23° C. ranging from 101 to 107 mPa·s.

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.

Abstract: The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the cooling of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the positive electrode including at least one oxide of formula LiNixMnyCozO2 with x+y+z=1, x>y and x>z, or LiNix?Coy?Alz? with x?+y?+z?=1, x?>y? and x?>z?, as electrochemically active material.

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.

Abstract: A composition comprising an amount of an anti-oxidant comprising one or more of ubiquinol, MitoQ, vitamin E, vitamin C, ascorbate-2-phosphate, idebenone, pyrroloquinoline quinone (PQQ), N-acetyl-L-cysteine (NAC), palmitate, reduced glutathione, or a C14-C18 saturated fatty acid effective to preserve, e.g., corneal tissue, and methods of using the composition, are provided.

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.

Abstract: Electrolyte compositions comprising lithium hexafluorophosphate, lithium 4,5-dicyano-2-(trifluoromethyl)imidazolate, a solvent, and at least one electrolytic additive, are herein described. The present application also describes the use if these electrolyte compositions in batteries, e.g. within a temperature range higher than or equal to 25° C.