A method for manufacturing an electrode for an all solid battery including the steps of coating a current collector with a slurry including an active material, a conductive material, and a polyimide-based binder; and melting a solid electrolyte having a melting temperature of 50° C. to 500° C. and applying it onto the coating layer and an electrode manufactured therefrom.

A battery module including: a battery stack of battery cells having opposite ends to which a plurality of electrode tabs are connected; end-side bus bar assemblies formed at opposite ends of the battery stack, respectively, and electrically connecting the electrode tabs of the battery cells; and a case accommodating the battery stack and the end-side bus bar assemblies.

A process of synthesizing a solid state lithium ion conductor includes mechanically milling at least two precursors so as to form crystalline Li.sub.6MgBr.sub.8. For instance, the mechanical milling can be carried out using a planetary mill. Moreover, in a practical application, the precursors include LiBr and MgBr.sub.2.

A sulfur cathode generated at least in part by in situ electrochemical pulverization of a metallic sulfide compound is provided. The in situ generated sulfur cathode suppresses the unfavorable process of polysulfide shuttling to provide enhanced sulfur cathode performance and is envisioned for use in Li—S, Na—S, K—S, Ca—S, Mg—S or Al—S batteries used to support rechargeable electronic devices and electric vehicles.

A sulfur cathode generated at least in part by in situ electrochemical pulverization of a metallic sulfide compound is provided. The in situ generated sulfur cathode suppresses the unfavorable process of polysulfide shuttling to provide enhanced sulfur cathode performance and is envisioned for use in Li—S, Na—S, K—S, Ca—S, Mg—S or Al—S batteries used to support rechargeable electronic devices and electric vehicles.

An apparatus for manufacturing an electrode assembly according to the present invention includes a conveyor configured to allow an electrode to travel; and a cutter configured to cut the traveling electrode to a predetermined size, wherein the cutter comprises: an upper cutting blade disposed above the electrode; an upper eccentric driver configured to eccentrically drive the upper cutting blade; a lower cutting blade disposed below the electrode in a direction corresponding to the upper cutting blade; and a lower eccentric driver configured to eccentrically drive the lower cutting blade.

A system for replacing a reel of material for the production of electrical energy storage devices and comprising a self-driving vehicle for transporting a reel from a storage or receiving station to a change station is described; at least one support spindle carried by the vehicle and configured to support the reel and to transfer it, at the change station, to a feeding unit of an automatic machine for the production of the storage devices; and a gripping member carried by the vehicle and comprising at least one gripper configured to receive and grip an initial flap of the reel supported by the support spindle and to keep such initial flap tensioned along an unwinding path of the same.

The present invention relates to a flag forming device after laser notching of a secondary battery for an electric vehicle, and particularly, to a flag forming device after laser notching of a secondary battery for an electric vehicle configured by stacking electrode rolls within a circular box, which makes a flag shape by notching an uncoated portion having no coating of a negative electrode and a positive electrode with a laser, and makes the uncoated flag made by laser notching pass through a flag forming unit before winding to enable an uncoated tap to be folded inward. The present invention includes a flag forming device after laser notching of a secondary battery for an electric vehicle of the present invention including a tilt EPC unit 1 which moves a pole plate while maintaining a material uniformly and constantly at a setting value of an EPC sensor when the pole plate is moved, the EPC sensor 2 which numerically indicates the degree of distortion when the pole plate is moved through the tilt EPC unit 1, a flag forming unit 3 which molds a flag of the pole plate moved through the EPC sensor 2, an encoder roller 4 which measures a movement distance of the pole plate passing through the flag forming unit 3, a winding unit 5 which winds an electrode that has passed through the flag forming unit 3, and an air nozzle 6 which blows air before an uncoated flag is wound in the winding unit 5 to enable an uncoated tab to be folded inward.

Additives for energy storage devices comprising nitrogen-containing compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, where at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, and an electrolyte composition. Nitrogen-containing compounds may serve as additives to the first electrode, the second electrode, and/or the electrolyte, as well as the separator.

A method of treating the surface of a positive electrode active material that is capable of inhibiting a reaction at the interface between a sulfide-based solid electrolyte and the positive electrode active material. A positive electrode active material particle for sulfide-based all-solid-state batteries, the surface of which is reformed, using the method and a sulfide-based all-solid-state battery, the charge/discharge characteristics of which are improved, including the same are also disclosed. The positive electrode active material particle for sulfide-based all-solid-state batteries manufactured using a dry-type method exhibits larger capacity than a positive electrode active material particle for sulfide-based all-solid-state batteries manufactured through a conventional wet-type process. In addition, the manufacturing process is simplified, and the amount of byproducts is reduced.