A battery and a method of constructing a battery are disclosed in which a first conductive substrate portion has a first face and a second conductive substrate portion has a second face opposed to the first face. A first electrode material is disposed in electrical contact with the first face, an electrolyte material is disposed in contact with the first electrode material, a second electrode material is disposed in contact with the electrolyte material, and a conductive tab disposed in contact with the second electrode material. The first conductive substrate portion, the first electrode material, and the conductive tab extend outward beyond a particular edge of the second conductive substrate portion.

A method for manufacturing an electrode having a porosity of between 20% and 60% by volume and pores with an average diameter of less than 50 nm. In the method, provision is made of a substrate and a colloidal suspension of aggregates or agglomerates of monodisperse primary nanoparticles of an active electrode material, having an average primary diameter D.sub.50 of between 2 and 100 nm, the aggregates or agglomerates having an average diameter D.sub.50 of between 50 nm and 300 nm. A layer is deposited from said colloidal suspension on the substrate. The deposited layer is then dried and consolidated to obtain a mesoporous layer. A coating of an electronically conductive material is then deposited on and inside the pores of the porous layer. Such a porous electrode can be used in lithium-ion microbatteries.

A method for manufacturing a lithium-ion microbattery having a capacity not exceeding 1 mAh, implementing a method for manufacturing an assembly comprising a porous electrode and a porous separator comprising a porous layer deposited on a substrate having a porosity comprised between 20% and 60% by volume, and pores with an average diameter of less than 50 nm. The separator comprises a porous inorganic layer deposited on the electrode, the porous inorganic layer having a porosity comprised between 20% and 60% by volume, and pores with an average diameter of less than 50 nm.

A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

A method for manufacturing an electrochemical device, implementing a process for manufacturing a porous electrode having a porous layer deposited on a substrate, the porous layer having a porosity of between 20% and 60% by volume and pores with an average diameter of less than 50 nm. The method includes providing a substrate and a colloidal suspension including aggregates or agglomerates of monodisperse primary nanoparticles of an active electrode material, having an average primary diameter of between 2 and 60 nm, the aggregates or agglomerates having an average diameter of between 50 nm and 300 nm, then depositing a layer from the colloidal suspension on the substrate, then drying and consolidating the layer to obtain a mesoporous layer, and then depositing a coating of an electronically conductive material on and inside the pores of the layer.

One aspect of the invention relates to an ionogel electrolyte ink including an ionic liquid; and a gelling matrix material. The gelling matrix material is mixed with the ionic liquid in at least one solvent.

Electrode for an energy storage device which comprises a powder of particles (26) comprising amorphous, micro- or nano-crystalline coated or uncoated silicon oxynitride having a chemical formula SiN.sub.xO.sub.y, where 0.03≤x+y<1.3, whereby nitrogen makes up 10-99% of said x+y value with the balance being oxygen.

An electrode with a porous binder coating layer may be manufactured in a method including (S10) a step of preparing the electrode including an active material layer formed on at least one surface of a current collector; (S20) a step of acquiring a binder emulsion by adding a binder to a dispersion medium; and (S30) a step of coating the binder emulsion acquired at the step (S20) on a surface of the active material layer of the electrode in a screen printing method using a mesh to form a binder coating layer of a porous structure.

Implementations described herein generally relate to metal electrodes, more specifically, lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same. In one implementation, a rechargeable battery is provided. The rechargeable battery comprises a cathode film including a lithium transition metal oxide, a separator film coupled to the cathode film and capable of conducting ions, a solid electrolyte interphase film coupled to the separator, wherein the solid electrolyte interphase film is a lithium fluoride film or a lithium carbonate film, a lithium metal film coupled to the solid electrolyte interphase film and an anode current collector coupled to the lithium metal film.