Abstract: The invention relates to a manufacturing method for manufacturing a positive electrode layer based on a lithiated material suitable for three-dimensional batteries, or 3D batteries, so as to obtain a lithiated material on a substrate, the lithiated material comprising several thin layers, i.e. layers that have thicknesses between 1 nm and 1 ?m, are made up of electrochemically active complex materials, and are, inter alia, homogeneous and suitable for conforming to the raised patterns of greater or lesser complexity of the surface of the substrate on which the lithiated material is deposited.

Abstract: Electrochemical device or photo-electrochemical device comprising an electrolyte containing a bistriflimide anion, hereafter named as TFSI—, at least two electrodes, each of these electrodes being in contact with a current collector comprising a metal support characterized in that at least one electrode has a current collector the metal support of which comprises an electro-active surface which is functionalized with linear or branched fluorinated carbon chains, such as perfluoroalkyl chains, in the form of a molecular layer which improves the corrosion resistance of said functionalized surface compared to a non-functionalized surface, wherein not impairing the passage of electrons between said electrode and its current collector, the functionalized surface being at the interface between said electrode and its current collector.

Abstract: Pseudocapacitive materials for supercapacitors electrodes The present invention relates to the use as a pseudocapacitive electrode material for supercapacitors, of a metal oxide of formula A1-xA?xCo1-yByO3, where 0?x<1, 0?y<0.5, said metal oxide presents a perovskite crystal structure, A represents a rare earth metal, A? represents an alkaline earth metal, B represents a transition metal, and A, A? and B may be mixtures of metals, wherein said material is implemented on an electrode comprising a carbonaceous material and said material is loaded on said carbonaceous material with a loading mass greater than 5 mg/cm2. The present invention further relates to pseudocapacitive electrodes for supercapacitors, wherein the material of said pseudocapacitive electrode comprises a pseudocapacitive electrode material as defined above, to a supercapacitor comprising at least said pseudocapacitive electrode.

Abstract: A microstructured substrate includes a plurality of at least one elementary microstructure. An electrical storage device, and more particularly an all-solid-state battery, can include the microstructured substrate.

Abstract: Electrochemical device or photo-electrochemical device comprising an electrolyte containing a bistriflimide anion, hereafter named as TFSI—, at least two electrodes, each of these electrodes being in contact with a current collector comprising a metal support characterized in that at least one electrode has a current collector the metal support of which comprises an electro-active surface which is functionalized with linear or branched fluorinated carbon chains, such as perfluoroalkyl chains, in the form of a molecular layer which improves the corrosion resistance of said functionalized surface compared to a non-functionalized surface, wherein not impairing the passage of electrons between said electrode and its current collector, the functionalized surface being at the interface between said electrode and its current collector.

Abstract: The invention relates to a method for preparing a composite electrode comprising a composite material deposited on a current collector, notably on a pliable and flexible collector, to said composite electrode, to the uses thereof and to an electrochemical storage system comprising said composite electrode.

Abstract: The invention relates to compounds comprising a redox group, to the use thereof as an additive to an electrolyte composition, to an electrolyte composition including such an additive, and to electrochemical systems including such an electrolyte composition, in particular lithium or sodium batteries and supercapacitors having a double electric layer.

Abstract: The invention relates to an ionogel that may be used for making a self-supporting film forming a solid electrolyte of an electrochemical device, to such a device incorporating this ionogel and to a process for manufacturing this ionogel. The invention generally applies to all energy storage devices such as supercapacitors or storage batteries (e.g. lithium-ion). An ionogel according to the invention comprises: a polymeric confinement matrix which comprises at least one polylactic acid, and at least one ionic liquid confined in this matrix. According to the invention, this matrix also comprises a polycondensate of at least one sol-gel molecular precursor bearing hydrolysable group(s).

Abstract: A microstructured substrate includes a plurality of at least one elementary microstructure. An electrical storage device, and more particularly an all-solid-state battery, can include the microstructured substrate.

Abstract: The invention relates to compounds comprising a redox group, to the use thereof as an additive to an electrolyte composition, to an electrolyte composition including such an additive, and to electrochemical systems including such an electrolyte composition, in particular lithium or sodium batteries and supercapacitors having a double electric layer.