#VARTA MICROBATTERY GMBH [DE]

BATTERY MODULE COMPRISING A PLURALITY OF ELECTROCHEMICAL ENERGY STORAGE ELEMENTS

A battery module (100; 200) is equipped with a housing and a plurality of electrochemical energy storage elements within the housing. The energy storage elements (10) are arranged in at least one plan…

DRIVE·Apr 15·1 min read

H01M50/213 VARTA MICROBATTERY GMBH [DE]

SECONDARY LITHIUM BATTERY AND METHOD OF MANUFACTURE

A secondary lithium battery (100) comprises a housing enclosing an interior space (111) and a composite body (104) arranged in the interior space (111), consisting of at least one positive electrode (…

DRIVE·Mar 20·2 min read

H01M10/04 VARTA MICROBATTERY GMBH [DE]

Method for the production and storage of button cells

Described is a method for the production of button cells from the components cell cup and cell cover, cathode, anode, separator, seal, and electrolyte, comprising the assembly and mounting of said com…

DRIVE·Oct 22·2 min read

B65D83/0472 VARTA MICROBATTERY GMBH [DE]

Electrode-fixed electrolyte composite for batteries and its manufacture

The method involves providing an electrolyte composition comprising water, polyvinyl alcohol, electrolyte salt and/or alkali metal hydroxide, electrically non-conducting particles and/or fibers of wat…

DRIVE·Sep 24·1 min read

H01M10/26 VARTA MICROBATTERY GMBH [DE]

Anode mixture, button cell with an anode comprising a metal particle and their preparation

The method comprises: introducing an anode mixture comprising, as constituents, metal particles, binder, conducting agent and optionally a gassing inhibitor into a button cell housing; admixing the mi…

DRIVE·Apr 23·2 min read

H01M10/0427 VARTA MICROBATTERY GMBH [DE]

Button cell with anode coil and method for its production

The button cell (100) has a metallic cup portion (102a) and a metallic cover portion (102b) that are separated by an electrical isolating portion (108). A planar bottom portion (104a) and a planar cov…

DRIVE·Jan 29·1 min read

H01M12/06 VARTA MICROBATTERY GMBH [DE]

ZINC CELLS WITH IMPROVED ANODE COMPOSITION

Electrochemical cell of button-cell type, comprises an electrode comprising zinc or a zinc alloy, aluminum hydroxide and/or at least one aluminate. An independent claim is also included for manufactur…

DRIVE·Jan 22·1 min read

H01M4/04 VARTA MICROBATTERY GMBH [DE]

Emergency system for motor vehicles

The system has an on-board power supply system triggering a radio emergency call during emergency based on a state of the on-board power supply system of a motor car. A radio communication device trig…

DRIVE·Oct 2·1 min read

B60R16/033 VARTA MICROBATTERY GMBH [DE]

Improved hydrogen development device and fuel cell system comprising same

Hydrogen evolution device (301) for liberating an amount of liberated hydrogen, which is proportional to an amount of the current upon passage of an electric current, comprises: at least one hydrogen …

DRIVE·Sep 11·1 min read

C25B1/02 VARTA MICROBATTERY GMBH [DE]

Galvanic element

Galvanic element (A) comprises at least a lithium-intercalated electrode, whose positive electrode possesses an aluminum collector that exhibits a covering layer consisting a benzotriazole derivative.…

DRIVE·Jan 18·1 min read

H01M4/0402 VARTA MICROBATTERY GMBH [DE]

Galvanic element

The rechargeable battery pack (1) has a housing (2, 3) for at least one lithium ion cell or a lithium polymer cell (4), with a film wrapping for the pouch-type cell at an inner housing section (5). Th…

DRIVE·Jan 4·1 min read

H01M50/00 VARTA MICROBATTERY GMBH [DE]

Method for manufacturing an electrode-collector laminate for lithium cells

The method involves removing an oxide layer if present and any other impurities that may be present from the aluminum collector, preferably using a wet chemical technique, and applying the positive ac…

DRIVE·Jun 8·1 min read

H01M4/04 VARTA MICROBATTERY GMBH [DE]

Galvanic element in form of a button cell and a procedure for the production of a galvanic element

An electrochemical element in the form of a button cell comprises lithium-intercalating electrode(s) and a housing with an opening (8). The opening is closed in a sealed manner during formation of the…

DRIVE·Dec 22·1 min read

H01M10/0427 VARTA MICROBATTERY GMBH [DE]

Procedure for testing the leak tightness of galvanic elements

The measurement system consists of a closed chamber (4) which may be pressurized or evacuated. It has a pressure gauge (6) and a distance measurement sensor (7) aimed toward one or more electronic mod…

DRIVE·Jul 14·1 min read

G01M3/363 VARTA MICROBATTERY GMBH [DE]

Rechargeable galvanic element with at least a lithium intercalation electrode

Rechargeable galvanic cell (1) comprises a lithium-intercalating electrode and a tightly closed thin flexible housing made from two metal or metal/plastic composite foils joined together by an adhesiv…

DRIVE·Apr 28·1 min read

H01M10/0436 VARTA MICROBATTERY GMBH [DE]

Galvanic element

Galvanic element comprises a housing having a wall (1) with a metal foil coated with an insulating material on the inner side, a stack of several individual cells with positive or negative electrodes …

DRIVE·Dec 10·1 min read

H01M10/0436 VARTA MICROBATTERY GMBH [DE]

Method for manufacturing of a rechargeable galvanic element with a negative lithium/indium electrode

An indium layer and a lithium layer are introduced in a negative housing half-section (1). A lithium-intercalating electrode (4) is introduced in a positive housing half-section (3). The housing half-…

DRIVE·Dec 3·1 min read

H01M10/04 VARTA MICROBATTERY GMBH [DE]

Galvanic element

Voltaic cell element comprises a cell lid having an outer surface coated with a nickel-free copper/tin (Cu/Sn) alloy. An Independent claim is also included for an alternative voltaic cell element havi…

DRIVE·Nov 26·1 min read

H01M12/06 VARTA MICROBATTERY GMBH [DE]

Method for manufacturing of a galvanic element

The production of a galvanic cell with lithium (Li)-intercalated electrode(s) comprises combining an anode and a cathode and separator(s) with a porous matrix of not less than 60 wt.% ceramic material…

DRIVE·Nov 5·1 min read

H01M10/0567 VARTA MICROBATTERY GMBH [DE]

Apparatus for mounting flat galvanic elements

The device has a holder (8) with a number of openings matching the cross-section of the flat galvanic elements, whereby the device has carrier devices (5,6) with contacts (7) and a number of elements …

DRIVE·Oct 1·1 min read

H01M10/0525 VARTA MICROBATTERY GMBH [DE]

Process for manufacturing galvanic elements

The individual cells are formed such that each cell has lithium intercalating electrodes (2) with polymer matrix in which electrochemically active materials which are insoluble in polymer are finely d…

DRIVE·Aug 27·1 min read

G01R27/00 VARTA MICROBATTERY GMBH [DE]

Method of manufacturing an electrode-separator unit for galvanic elements

Electrode/separator composites comprising lithium intercalating electrode(s) with a polymer matrix and a polyolefin separator are produced by hot lamination at a temperature near the melting or soften…

DRIVE·Apr 16·1 min read

H01M10/05 VARTA MICROBATTERY GMBH [DE]