Abstract: A disposable medical device assembly for measuring a physiological parameter in a urinary or gastrointestinal tract of a mammal being is disclosed, comprising a probe, such as a catheter, for insertion into a bodily opening of the mammal being. The probe comprises at least one sensor, such as a pressure sensor. The medical device further comprises an energy source, in the form of a biofuel cell, connected to the at least one sensor.

Abstract: The invention relates to a monophasic electrolyte medium comprising: at least one alkaline-earth or alkaline metal salt, at least one hydrocarbon solvent, and between 1 and 50 vol. %, in relation to the total volume of said medium, of a hydrocarbon solubilising agent, different from said hydrocarbon solvent, of formula (I): Z-[(A)-(X)]q-(B)—Y.

Abstract: The invention relates to a method of manufacturing a separating membrane in gel form, for an alkali metal ion battery, the method consisting of extruding a mix comprising: an alkali metal salt, a dinitrile compound with formula N?C—R—C?N, in which R is a hydrocarbon group CnH2n, and n is equal to 1 or 2 and preferably equal to 2, a hot melt support polymer, soluble in the dinitrile compound.

Abstract: The invention relates to a method of manufacturing a separating membrane in gel form, for an alkali metal ion battery, the method consisting of extruding a mix comprising: an alkali metal salt, a dinitrile compound with formula N?C—R—C?N, in which R is a hydrocarbon group CnH2n, and n is equal to 1 or 2 and preferably equal to 2, a hot melt support polymer, soluble in the dinitrile compound.

Abstract: The present invention relates to a lithium-ion battery including: a positive electrode including an active positive electrode material, and advantageously a lithium salt; an electrolyte including a lithium salt; and a negative electrode including an active negative electrode material, and advantageously a lithium salt. In this battery, the positive electrode, the negative electrode, and the electrolyte all three appear in the form of gels, and all three include a polymer and a dinitrile compound of formula N?C—R—C?N; R being a hydrocarbon group CnH2n, n being an integer between 1 and 2; the weight ratio of the dinitrile compound to the polymer being in the range from 60/40 to 90/10.

Abstract: The present invention concerns a metal-oxygen battery containing, as the electrolyte, a monophasic electrolytic solvent medium having at least an alkali metal or alkaline earth metal supporting salt, preferably a lithium salt; a fluorocarbon solvent having an oxygen solubility at least equal to 30% v/v; 10 to 60% by volume of at least fluorinated solubilizing agent; and a carbonate solvent. The fluorinated solubilizing agent is different from the fluorocarbon solvent; is chosen from the mono-, poly- and perfluorinated, saturated, unsaturated and/or aromatic, linear, branched and/or cyclic hydrocarbon compounds; and has 4 to 18 carbon atoms with the carbon chain having at least one polar end unit and can be interrupted by one or more heteroatoms of oxygen and sulfur atoms and radicals —N(R1)-, —B(R1)- and —P(R1R2)- in which R1 and R2, identical or different, represent a hydrogen atom or a C1 to C4 alkyl radical.

Abstract: A leaktight electrochemical system, comprising a packaging, a porous electrically conductive substrate, forming a current collector and supporting, on at least one of its main faces, at least one continuous pattern of active material of an electrode, and at least one dense electrically conductive tab, connected to the substrate at at least one electrically conductive junction obtained by sewing using at least one electrically conductive thread, the tab supporting, on each of its main faces, at least one sealing tape sealed to the packaging to ensure the leaktight closure thereof.

Abstract: The invention relates to an electrode for a lithium battery, comprising an electrochromic material as active material, and metal nanowires as electroconductive additive. Use of said electrode for making energy storage devices, the state of charge of which can be determined by calorimetric monitoring.

Abstract: The invention relates to a bipolar lithium-ion battery comprising n electrochemical cells (C1, C2, C3) connected in series, n being an integer greater than or equal to 2. Each cell comprises a positive electrode (P1, P2, P3), a current collector (2) supporting the positive electrode, a negative electrode (N1, N2, N3), a current collector (8) supporting the negative electrode, and an electrolyte placed between each pair of positive and negative electrodes. In said battery, a so-called “common” current collector (4, 6) from each cell is integral with the current collector from an adjacent cell, the common current collector (4, 6) supporting an electrode of each polarity, and at least the n?1 common current collectors are made of a material formed of carbon fibers.

Abstract: The invention relates to a monophasic electrolyte medium comprising: at least one alkaline-earth or alkaline metal salt, at least one hydrocarbon solvent, and between 1 and 50 vol. %, in relation to the total volume of said medium, of a hydrocarbon solubilising agent, different from said hydrocarbon solvent, of formula (I): Z-[(A)-(X)]q-(B)—Y.

Abstract: The present invention concerns a metal-oxygen battery containing, as the electrolyte, a monophasic electrolytic solvent medium having at least an alkali metal or alkaline earth metal supporting salt, preferably a lithium salt; a fluorocarbon solvent having an oxygen solubility at least equal to 30% v/v; 10 to 60% by volume of at least fluorinated solubilising agent; and a carbonate solvent. The fluorinated solubilising agent is different from the fluorocarbon solvent; is chosen from the mono-, poly- and perfluorinated, saturated, unsaturated and/or aromatic, linear, branched and/or cyclic hydrocarbon compounds; and has 4 to 18 carbon atoms with the carbon chain having at least one polar end unit and can be interrupted by one or more heteroatoms of oxygen and sulfur atoms and radicals —N(R1)-, —B(R1)- and —P(R1R2)- in which R1 a d R2, identical or different, represent a hydrogen atom or a C1 to C4 alkyl radical.

Abstract: A metal-ion accumulator, including a metal element of flat surface forming a current collector of an electrode of one polarity; an insulating layer, deposited on the metal element while defining an interlocking pattern; a layer forming a current collector of an electrode of opposite polarity to the one having the current collector formed by the metal element, the collector layer being deposited on the interlocking pattern of the insulating layer; an electrode layer, deposited on the metal element according to a pattern at least partly interlocked in the interlocking pattern; an electrode layer of opposite polarity to the one deposited on the metal element, the layer of opposite polarity being deposited on the collector layer according to the interlocking pattern; a layer of electrolyte deposited at least in the spaces between the two layers of active materials of opposite polarity.

Abstract: The invention relates to a method of manufacturing a separating membrane in gel form, for an alkali metal ion battery, the method consisting of extruding a mix comprising: an alkali metal salt, a dinitrile compound with formula N?C—R—C?N, in which R is a hydrocarbon group CnH2n, and n is equal to 1 or 2 and preferably equal to 2, a hot melt support polymer, soluble in the dinitrile compound.

Abstract: The invention relates to a method of manufacturing a separating membrane in gel form, for an alkali metal ion battery, the method consisting of extruding a mix comprising: an alkali metal salt, a dinitrile compound with formula N?C—R—C?N, in which R is a hydrocarbon group CnH2n, and n is equal to 1 or 2 and preferably equal to 2, a hot melt support polymer, soluble in the dinitrile compound.

Abstract: The present invention relates to a lithium-ion battery including: a positive electrode including an active positive electrode material, and advantageously a lithium salt; an electrolyte including a lithium salt; and a negative electrode including an active negative electrode material, and advantageously a lithium salt. In this battery, the positive electrode, the negative electrode, and the electrolyte all three appear in the form of gels, and all three include a polymer and a dinitrile compound of formula N?C—R—C?N; R being a hydrocarbon group CnH2n, n being an integer between 1 and 2; the weight ratio of the dinitrile compound to the polymer being in the range from 60/40 to 90/10.

Abstract: The invention concerns a new flexible or rigid packaging for an electrochemical accumulator (A). The packaging contains at least one polyaryletherketone (PAEK) sheet, notably a polyetheretherketone (PEEK™) sheet. According to a preferred embodiment, a polyaryletherketone (PAEK) sheet incorporates within it at least one metal stud constituting one of the poles of the accumulator. The packaging is useful for the packaging of lithium-ion accumulators.

Abstract: The invention concerns a new flexible or rigid packaging for an electrochemical accumulator (A). It is made from at least one polyaryletherketone (PAEK) sheet, notably a polyetheretherketone (PEEK™) sheet. According to a preferred embodiment, a polyaryletherketone (PAEK) sheet (6.1, 6.2, 6.3, 61) incorporates within it at least one metal stud (40, 50) constituting one of the poles of the accumulator. The main application sought is the packaging of lithium-ion accumulators.

Abstract: The invention relates to an electrode for a lithium battery that contains LiFePO4 as electrochemically active material and a binder consisting of polyacrylic acid. The polyacrylic acid has a mean molecular weight greater than or equal to 1,250,000 g·mol?1 and strictly less than 2,000,000 g·mol?1. The percentage of LiFePO4 is greater than 90% by weight and the percentage of polyacrylic acid is less than or equal to 4%, said percentages being calculated with respect to the total weight of the electrode. The invention further relates to a lithium storage battery having a power or energy operating mode that contains the electrode for a lithium battery.

Abstract: The invention relates to a lithium storage battery comprising at least one electrochemical cell arranged in a tightly sealed packaging. The electrochemical cell is formed by a stack comprising a separator arranged between first and second electrodes. The separator is impregnated by an ionic liquid electrolyte comprising a mixture of a lithium salt, vinyl ethylene carbonate and an ionic liquid of formula C+A? in which C+ represents a cation and A? represents an anion. The first electrode comprises an electrochemically active material and a polymer-based binder chosen from polyacrylic acid (PAA) and sulfonated perfluoropolymers.

Abstract: The invention relates to an electrode for a lithium battery that contains LiFePO4 as electrochemically active material and a binder consisting of polyacrylic acid. The polyacrylic acid has a mean molecular weight greater than or equal to 1,250,000 g·mol?1 and strictly less than 2,000,000 g·mol?1. The percentage of LiFePO4 is greater than 90% by weight and the percentage of polyacrylic acid is less than or equal to 4%, said percentages being calculated with respect to the total weight of the electrode. The invention further relates to a lithium storage battery having a power or energy operating mode that contains the electrode for a lithium battery.