Abstract: The present invention relates to a liquid electrolyte for lithium metal batteries, comprising a) at least one fluorinated di-ether containing from 4 to 10 carbon atoms, represented by Formula (I) of R1—O—R2—O—R3, wherein each R1 and R3 is independently a fluorinated alkyl group, and R2 is an optionally fluorinated alkyl group; b) at least one non-fluorinated ether; c) at least one lithium salt; and d) a lithium hexafluorophosphate (LiPF6) in an amount of 5% by weight (wt %) or less, preferably 3 wt % or less, and more preferably 1 wt % or less, based on the total weight of the liquid electrolyte, wherein a) the fluorinated di-ether is in an amount of at least 50% by volume (vol %), based on the total volume of a) the fluorinated di-ether and b) the non-fluorinated ether; and c) the lithium salt is different from d) LiPF6.

Abstract: A method for degrading an epoxy composite material and recycling of carbon fibers comprises a step of submitting the epoxy composite material to a solvent treatment at a temperature that is at least 10° C. above the glass transition temperature, and a following step of enzymatic treatment.

Abstract: A glycolic acid polymer is obtained from polycondensation reaction of a monomer mixture consisting of: (i) glycolic acid (GA); (ii) optionally, at least one hydroxyl acid having only one hydroxyl group and only one carboxylic acid group different from GA; (iii) at least one polyol comprising at least three hydroxyl groups and being free from carboxylic acid group; (iv) at least one aromatic diacid comprising two aromatic carboxylic acid groups and being free from hydroxyl groups; and (v) optionally at least one carboxylic acid having one carboxylic acid group and being free from hydroxyl group; which has an appropriate rheological profile so as to be used in combination with standard polyester resins for obtaining multi-layer containers having thin barrier layers.

Abstract: A polymer composition [composition (M)], may include i) at least one polyglycolic acid polymer [polymer (PGA)], wherein polymer (PGA) is a branched polyglycolic acid polymer [polymer (b-PGA)] and ii) at least one amorphous polyester [polymer (APES)], the polymer (APES) being present in the composition (M) in an amount of at least 0.10 and of at most 45 wt %, with respect to the combined weight of polymer (PGA) and polymer (APES). A method of making composition (M) and method of producing a multilayer stretched product from composition (M) are also described.

Abstract: The invention pertains to a process for the manufacture of a polymer electrolyte membrane based on a fluoropolymer hybrid organic/inorganic composite, to a polymer electrolyte obtained thereof and to uses of said polymer electrolyte and membranes obtained therefrom in various applications, especially in electrochemical and in photo-electrochemical applications.

Abstract: Process for the production of benzoic acid, said process comprising the steps of: (A) producing ethanol from a bio-mass, which is advantageously a carbohydrate-containing biomass, then (B) causing the ethanol produced at the step (A) to react with methanol, so as to produce benzyl alcohol and/or benzaldehyde, then (C) causing the benzyl alcohol and/or benzaldehyde produced at the step (B) to react with oxygen, so as to produce benzoic acid.

Abstract: Process for the production of phenol, said process comprising the steps of: (A) producing ethanol from a biomass, which is advantageously a carbohydrate-containing biomass, then (B) causing the ethanol produced at the step (A) to react with methanol, so as to produce benzyl alcohol and/or benzaldehyde, then (C) causing the benzyl alcohol and/or benzaldehyde produced at the step (B) to react with oxygen, so as to produce benzoic acid, then (D) causing the benzoic acid produced at the step (C) to react with oxygen, so as to produce phenol. Use of no more than 20 parts by weight of a carbohydrate contained in a biomass for the production of one part of phenol.

Abstract: The invention relates to a method of treatment of a fiber-reinforced epoxy composite which comprises contacting the fiber-reinforced epoxy composite with a bio-based solvent S chosen from levoglucosenone and/or a levoglucosenone derivative such as cyrene, wherein the treatment temperature generally exceeds by at least 10° C. the glass transition temperature of the fiber-reinforced epoxy composite.

Abstract: The present invention relates to a secondary battery comprising a) a negative electrode comprising an alkali metal; b) a protective layer on a surface of the negative electrode; and c) a liquid electrolyte comprising a solvent mixture and at least one metal salt, wherein the protective layer comprises at least one (per)fluoroelastomer, and the solvent mixture comprises i) at least one fluorinated ether compound and ii) at least one non-fluorinated ether compound. The present invention also relates to use of a (per)fluoroelastomer as a protective layer for a negative electrode comprising an alkali metal in a secondary battery, wherein the secondary battery comprises a solvent mixture comprising i) at least one fluorinated ether compound and ii) at least one non-fluorinated ether compound.

Abstract: The present invention pertains to a lithium secondary battery comprising a cathode comprising a lithium-manganese-rich layered oxide as a cathode electroactive material and a liquid electrolyte comprising at least one fluorinated acyclic carbonate. The present invention also relates to use of a liquid electrolyte comprising at least one fluorinated acyclic carbonate in a lithium secondary battery, for improving the cycling performance, comprising a cathode comprising a lithium-manganese-rich layered oxide as a cathode electroactive material according to the present invention.

Abstract: The present invention pertains to a lithium secondary battery comprising a cathode comprising a lithium-manganese-rich layered oxide as a cathode electroactive material and a liquid electrolyte comprising at least one fluorinated acyclic carboxylic acid ester. The present invention also relates to use of a liquid electrolyte comprising at least one fluorinated acyclic carboxylic acid ester in a lithium secondary battery, for improving the cycling performance, comprising a cathode comprising a lithium-manganese-rich layered oxide as a cathode electroactive material according to the present invention.

Abstract: The invention pertains to a process for the manufacture of a fluoropolymer hybrid organic/inorganic composite, to a polymer electrolyte membrane based on a said fluoropolymer and to uses of said electrolyte membrane in various applications, especially in electrochemical applications.

Abstract: The invention relates to a solid composite electrolyte comprising: i) at least one solid inorganic particle, ii) at least one ionic liquid electrolyte, and iii) at least one ionically non-conductive polymer, wherein the at least one solid inorganic particle i) is ionic conductive and is blended with the at least one ionic liquid electrolyte ii). The invention also relates to a process for manufacturing the solid composite electrolyte, to a solid state battery comprising the solid composite electrolyte, and to the use of said solid composite electrolyte in a solid state battery for improving ionic conductivity and mechanical properties.

Abstract: Disclosed are electrolyte compositions comprising a fluorinated acyclic carboxylic acid ester, lithium bis(fluorosulfonyl)imide (also called LiFSI); and at least one electrolyte salt. The electrolyte compositions are useful in electrochemical cells, such as lithium-ion batteries.

Abstract: The present invention pertains to a process for manufacturing a fluoropolymer electrolyte membrane comprising a fluoropolymer hybrid organic/inorganic composite for an electrochemical cell, to a polymer electrolyte membrane obtainable by the process and films and membranes thereof and to an electrochemical cell comprising the polymer electrolyte membrane between a positive electrode and a negative electrode. The present invention also relates to the use of the polymer electrolyte membrane obtainable by the process according to the present invention in an electrochemical device, in particular in secondary batteries.

Abstract: Disclosed herein are non-aqueous electrolyte compositions comprising a fluorinated solvent, a carbonate co-solvent, at least one 2-furanone derivative, and at least one electrolyte salt. In some embodiments, the electrolyte compositions further comprise a cyclic sulfate. 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.

Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of a composite electrode, to said composite electrode and to a secondary battery comprising said composite electrode.