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Varta Microbattery Gmbh
Varta Microbattery Gmbh A Corporation Of Germany
Varta Microbattery Gmbh A Corporation Of Germany Am Leineufer 51

Varta Microbattery Gmbh patents


Recent patent applications related to Varta Microbattery Gmbh. Varta Microbattery Gmbh is listed as an Agent/Assignee. Note: Varta Microbattery Gmbh may have other listings under different names/spellings. We're not affiliated with Varta Microbattery Gmbh, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Varta Microbattery Gmbh-related inventors


Battery having a prismatic metal housing

A battery has a prismatic metal housing that includes a rectangular base having a base inner side and a base outer side, a rectangular cover having a cover inner side and a cover outer side, the size and shape of which substantially correspond to that of the base, and four rectangular side elements connecting the base and the cover and each have an inner side and an outer side. The at least one individual cell is a winding having a first and a second end face and the first end face faces in the direction of the base and the second end face faces in the direction of the cover. ... Varta Microbattery Gmbh

Lithium cell

A lithium cell includes a housing including a housing cup, a cover plate and an annular insulating sealing element, wherein the housing has an end-side cup base, a circumferential housing casing and a circular opening opposite the housing base and formed by an opening edge. The cover plate has a circumferential edge and closes the circular opening. ... Varta Microbattery Gmbh

Electrochemical cell that generates hydrogen

An electrochemical cell that generates hydrogen has an anode including an electrochemically oxidizable substance and an electrode designed for hydrogen generation as a cathode and an aqueous alkaline electrolyte. The anode and the cathode are designed such that the hydrogen generation begins at the cathode as soon the anode and the cathode are electrically connected to one another. ... Varta Microbattery Gmbh

Electrochemical cell

An electrochemical cell includes a composite electrode body with at least one positive and at least one negative electrode; an electrolyte that impregnates the composite electrode body; and a housing with a liquid-impervious interior, wherein the composite electrode body impregnated with the electrolyte is disposed in the interior, and the housing consists of pek or a pek based material.. . ... Varta Microbattery Gmbh

Button cell having winding electrode and method for the production thereof

A rechargeable button cell having a height-to-diameter ratio less than one, including two metal housing halves separated from one another by an electrically insulating seal or film seal forming a housing having a plane bottom region and a plane top region parallel thereto is disclosed. The housing contains an electrode separator assembly comprising a positive electrode and a negative electrode inside the housing, the electrode separator assembly being provided in the form of a winding, end sides of which face in a direction of the plane bottom region and the plane top region such that layers of the electrode separator assembly are oriented essentially orthogonally to the plane bottom region and plane top region.. ... Varta Microbattery Gmbh

Button cells and method of producing same

A rechargeable button cell including a housing half-parts comprising a housing cup and a housing top separated from one another by an electrically insulating seal or film seal is disclosed. The button cell includes an electrode-separator assembly within the housing having a positive and a negative electrode in the form of flat layers connected to one another by a porous plastic film separator. ... Varta Microbattery Gmbh

Primary lithium battery having a dme-free electrolyte

A dme-free lithium battery includes a positive electrode, a negative electrode, a separator arranged between the positive electrode and the negative electrode, and a liquid electrolyte composed of a solvent and at least one lithium electrolyte salt and with which the electrode and the separator are impregnated, wherein the solvent includes propylene carbonate (pc) as a first solvent component and 1,3-dioxolane (dol) as a second solvent component, and the positive electrode and/or the negative electrode have a proportion of carbon black having a bet surface area of at least 1 m2/g.. . ... Varta Microbattery Gmbh

Lithium battery

A lithium battery includes a positive electrode designed as a hollow cylinder and defines a cavity, a negative electrode arranged in the cavity, a separator, a liquid electrolyte, a first current collector for the negative electrode, a second current collector for the positive electrode, an at least two-part housing that encloses an interior space in which the positive electrode together with the negative electrode arranged in the cavity and the separator are arranged, wherein a pin is provided as a first current collector inside the housing, a part of the housing serves as a second current collector, the pin has a first, terminal section embedded in the negative electrode and in direct contact with the negative electrode, and the pin has a second section not in direct contact with the negative electrode, and an insulator element that protects the second section at least partially against direct contact with the electrolyte.. . ... Varta Microbattery Gmbh

Secondary electrochemical cell and charging method

A secondary electrochemical cell includes a negative electrode including as an output conductor, a metallic or metal-coated open-pore form or a metallic or metal-coated nonwoven, as a carbon-based storage material that enables storage of electrical charge in the electrode through formation of an electrical double layer (helmholtz double layer), activated carbon having a bet surface area of at least 800 m2/g, a non-carbon-based h2 storage material that can chemisorb hydrogen and/or store it as a metal hydride, a positive electrode including as an output conductor, a metallic or metal-coated open-pore form or a metallic or metal-coated nonwoven, and nickel hydroxide and/or nickel oxyhydroxide, a porous separator that separates the negative electrode and the positive electrode from one another, an aqueous alkaline electrolyte with which the electrodes and the separator are soaked, and a housing that encases the electrodes, the separator and the electrolyte.. . ... Varta Microbattery Gmbh

Secondary electrochemical cell and charging method

A secondary electrochemical cell includes a negative electrode including an output conductor, activated carbon having a bet surface area of at least 800 m2/g as a carbon-based storage material that enables storage of electrical charge in the electrode through formation of an electrical double layer (helmholtz double layer), a positive electrode including an output conductor, and nickel hydroxide and/or nickel oxyhydroxide, a porous separator that separates the negative electrode and the positive electrode from one another, an aqueous alkaline electrolyte with which the electrodes and the separator are soaked, and a housing that encases the electrodes, the separator and the electrolyte.. . ... Varta Microbattery Gmbh

Button cell having winding electrode and method for the production thereof

A button cell includes a housing consisting of two metal housing halves, an electrode separator assembly in the form of a preferably spiral-shaped winding inside the housing, and metal conductors which electrically connect the electrodes of the assembly to the housing halves, wherein at least one of the conductors is connected to the respective housing half by welding.. . ... Varta Microbattery Gmbh

Button cells and method of producing same

A button cell includes a housing cup and a top separated by a seal and forms a housing with parallel flat bottom and top areas, and an electrode-separator assembly including a flat positive and negative electrode and connected by one flat separator, wherein the electrodes are aligned essentially at right angles to the flat bottom and top areas and the assembly is a spiral winding having end faces defining side surfaces of the winding facing in an axial direction relative to the flat bottom and top areas, one of the electrodes connects to the flat bottom or top area via an output conductor including a foil resting between an end face of the winding and the flat top or bottom area, and at least one insulator preventing direct mechanical and electrical contact between the end faces of the winding and the flat bottom and top areas.. . ... Varta Microbattery Gmbh








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