Provided are a cathode substrate, a high capacity all-solid-state battery, and a method for manufacturing the same. The cathode substrate includes a base in a mesh form and a cathode formed on the base, wherein the cathode is configured to overlap the base. The present invention may resolve a conventional problem of deterioration in battery efficiency, which has been caused by a long distance between an electrode and a cathode, and may produce a high capacity all-solid-state battery while suppressing or preventing an increase in the thickness of the cathode.

A mesh-shaped, porous electric current density distributor is for use with an electrode, and is adapted for providing electric current to an active layer of the electrode. The active layer contacts a face of the current density distributor, and the current density distributor includes a porous mesh having several electrically conductive paths. At least part of the electrically conductive paths extend along a direction of major current flow over the current density distributor. The porous mesh includes in a direction crosswise to the direction of major electric current flow, several paths of an electric insulator. The current carrying capacity of the current density distributor in crosswise direction to the major current flow over the current density distributor is smaller than the current carrying capacity in the direction along the major current flow over the current density distributor.

The present invention relates to a battery technology, and more particularly, to a current collector that may be widely used in secondary batteries and an electrode employing the same. The current collector includes a conductive fiber layer including a plurality of conductive fibers. Each of the conductive fibers includes a conductive core consisting of a plurality of metal filaments; and a conductive binder matrix surrounding the outer circumferential surfaces of the conductive core.

A semi-solid electrode includes a first porous substrate and a second porous substrate stacked together to form a current collector, and a semi-solid electrode material embedded in the current collector. The semi-solid electrode material includes a suspension of an active material and a conductive material disposed in a non-aqueous liquid electrolyte. The porous substrates are at least partially disposed within the suspension such that the suspension substantially encapsulates the porous substrates. Each porous substrate in the current collector defines a pitch, and the two pitches of the two porous substrates in the current collector can be shifted with respect to each other by 30% to 70% of the pitch so as to reduce polarization effect.

A method for forming an electrical connection to a microscale electrically conductive fiber material electrode element, such as a carbon fiber electrode element of a Pb-acid battery, comprises pressure impregnating into the fiber material an electrically conductive lug material, such as molten Pb metal, to surround and/or penetrate fibers and form an electrical connection to the fiber material and provide a lug for external connection of the electrode element. Other methods of forming a lug for external connection are also disclosed.

The invention relates to a cathode unit for an alkaline metal/sulphur battery, containing a cathode arrester, which comprises a carbon substrate, and an electrochemically active component, which is selected from sulphur or an alkaline metal sulphide and is in electrically conductive contact with the carbon substrate.

The present invention relates to a mesh-shaped, porous electric current density distributor for use with an electrode, the current density distributor being adapted for providing electric current to an active layer of the electrode, which active layer is provided to contact a face of the current density distributor, wherein the current density distributor comprises a porous mesh having a plurality of electrically conductive paths, wherein at least part of the electrically conductive paths extend along a direction of major current flow over the current density distributor. The porous mesh comprises in a direction crosswise to the direction of major electric current flow, a plurality of first paths of an electric insulator. The current carrying capacity of the current density distributor in crosswise direction to the major current flow over the current density distributor is smaller than the current carrying capacity in the direction along the major current flow over the current density distributor.

A battery cell includes A anode electrodes, wherein each of the A anode electrodes includes a porous anode current collector and an active material layer comprising silicon deposited using physical vapor deposition (PVD) onto the porous anode current collector. The battery cell includes C cathode electrodes including a cathode current collector and a cathode active material layer arranged on the cathode current collector and S separators, where A, C and S are integers greater than one.

Process for the fabrication of an electrode structure comprising an electrochemically active material suitable for use in an energy storage device. The method includes electrodepositing the electrochemically active material onto an electrode in electrodeposition bath containing a non-aqueous electrolyte. The electrode structure can be used for various applications such as electrochemical energy storage devices including high power and high-energy lithium-ion batteries.

A method of making a component for an energy storage device or an energy conversion device comprises the steps of: providing a sheet having a plurality of through-thickness apertures: forming a slurry comprising particles of a ceramic material: depositing the slurry onto the sheet having the plurality of through-thickness apertures; and sintering the slurry at a sintering temperature that is greater than 300? C. and less than or equal to 900? C.