A method for producing a battery includes providing a cup-shaped first housing part having a bottom and a side wall, the bottom and the side wall each having an inside and an outside. The method further includes covering the inside of the bottom of the first housing part with an electrically conductive covering, electrically connecting the electrically conductive covering to the bottom of the first housing part by welding, electrically connecting an electric conductor to the electrically conductive covering by welding, and assembling the first housing part and a second housing part to form a housing of the battery, the housing enclosing an interior space that includes a composite body therein. The composite body includes a positive electrode, a negative electrode, a separator, and the electric conductor. The inside of the bottom and the inside of the side wall of the first housing part face the interior space.

An anodic member, an electrochemical device having an anodic member, and a method for manufacturing an anodic member for a lithium-ion battery. The method uses nanoparticles of an electrically insulating material that conducts lithium ions, is stable in contact with metallic lithium, does not insert lithium at potentials of between 0 V and 4.3 V with respect to the potential of the lithium, and has a relatively low melting point.

The invention relates to a method for regenerating the capacity of an electrochemical lithium battery, including the following steps: a) evaluating the quantity of lithium ions; b) when the evaluated lithium ion quantity is less than or equal to a threshold value, applying an electric current between the cathode or the anode and the container such as to cause the delithiation of the casing, the casing is also arranged to house an element providing both electric insulation and ionic conduction between the anode and cathode electrodes of the electrochemical cell and the casing, said casing including at least one lithium ion storage zone.

According to one embodiment, a secondary battery including, a solid state negative anode, a solid state positive cathode, a solid state electrolyte, a solid neutralized separator and a solid graphene casing is provided. The negative anode includes solid 100 femtosecond laser induced confined microexplosion energy density enhanced charged Graphene Oxide Nickel-Copper. The positive cathode includes solid 100 femtosecond laser induced confined microexplosion energy density enhanced positively charged Graphene Nickel-Copper. The electrolyte includes solid 100 femtosecond laser induced confined microexplosion energy density enhanced Fluorinated Graphene (GF.sub.0.8). The solid separator includes solid state Carboxyl neutralized Graphene quantum dots positioned between the anode and the cathode. The casing includes 100 layers of solid Graphene.

According to one embodiment, a secondary battery including, a solid state negative anode, a solid state positive cathode, a solid state electrolyte, a solid neutralized separator and a solid graphene casing is provided. The negative anode includes solid 100 femtosecond laser induced confined microexplosion energy density enhanced charged Graphene Oxide Nickel-Copper. The positive cathode includes solid 100 femtosecond laser induced confined microexplosion energy density enhanced positively charged Graphene Nickel-Copper. The electrolyte includes solid 100 femtosecond laser induced confined microexplosion energy density enhanced Fluorinated Graphene (GF.sub.0.8). The solid separator includes solid state Carboxyl neutralized Graphene quantum dots positioned between the anode and the cathode. The casing includes 100 layers of solid Graphene.

Embodiments described herein relate to electrochemical cells and electrochemical cell systems with thermal insulation systems, and methods of producing the same. An electrochemical cell can include an anode material disposed on an anode current collector, a cathode material disposed on a cathode current collector, a separator disposed between the anode material and the cathode material, and an insulating structure disposed around and containing the anode material, anode current collector, cathode material, cathode current collector, and the separator. The anode material and/or the cathode material includes a semi-solid electrode material. The semi-solid electrode material includes an active material and a conductive material in a liquid electrolyte. The liquid electrolyte has an electrolyte salt concentration of at least about 2.0 M. In some embodiments, the insulating structure includes a frame with a first wall and a second wall disposed therein.

Embodiments described herein relate to electrochemical cells and electrochemical cell systems with thermal insulation systems, and methods of producing the same. An electrochemical cell can include an anode material disposed on an anode current collector, a cathode material disposed on a cathode current collector, a separator disposed between the anode material and the cathode material, and an insulating structure disposed around and containing the anode material, anode current collector, cathode material, cathode current collector, and the separator. The anode material and/or the cathode material includes a semi-solid electrode material. The semi-solid electrode material includes an active material and a conductive material in a liquid electrolyte. The liquid electrolyte has an electrolyte salt concentration of at least about 2.0 M. In some embodiments, the insulating structure includes a frame with a first wall and a second wall disposed therein.

(a) An electrode assembly is accommodated in a laminated casing. (b) A pressure-applied portion is formed by sandwiching at least a portion of a peripheral edge of the laminated casing between a first tool and a second tool. (c) A sealed portion is formed by applying ultrasonic vibration from at least one of the first tool and the second tool to the pressure-applied portion. The first tool includes a projection portion. The second tool is provided with a groove portion. A bending tendency portion is formed in the laminated casing by sandwiching the laminated casing between a tip of the projection portion and a bottom portion of the groove portion. The laminated casing is welded on both sides across the bending tendency portion.

(a) An electrode assembly is accommodated in a laminated casing. (b) A pressure-applied portion is formed by sandwiching at least a portion of a peripheral edge of the laminated casing between a first tool and a second tool. (c) A sealed portion is formed by applying ultrasonic vibration from at least one of the first tool and the second tool to the pressure-applied portion. The first tool includes a projection portion. The second tool is provided with a groove portion. A bending tendency portion is formed in the laminated casing by sandwiching the laminated casing between a tip of the projection portion and a bottom portion of the groove portion. The laminated casing is welded on both sides across the bending tendency portion.

An aluminum pouch film for a secondary battery and a method for manufacturing the aluminum pouch film are disclosed. The aluminum pouch film contains an aluminum layer; an outer resin layer formed on a first surface of the aluminum layer; a first adhesive layer for bonding the aluminum layer and the outer resin layer; an inner resin layer formed on a second surface of the aluminum layer; and a second adhesive layer for bonding the aluminum layer and the inner resin layer, wherein a heat dissipation layer containing boron carbide nanotubes is formed on one side of the outer resin layer.