17results about "Flat cells grouping" patented technology

An activatable dressing of the present disclosure comprises a biocompatible battery including a magnesium-based (Mg) anode; a silver / silver chloride-based (Ag / AgCl) cathode; and a sodium chloride (NaCl) impregnated separator disposed between the anode and cathode in a dry state, the separator comprising an inlet pad configured for introduction of a water-based fluid to the separator for activation of the battery. The activatable dressing further comprises stimulation electrodes electrically coupled to the Mg anode and Ag / AgCl cathode.

A thin-film battery (100) with several electrochemical cells (10) is provided. The electrochemical cells (10) are mounted on a carrier film (50) as a common substrate. The electrochemical cells (10) are stacked on top of each other. Each electrochemical cell (10) is separated from an adjacent electrochemical cell by a fold edge (11) in the carrier film. The electrochemical cells (10) are electrically connected to each other by at least one conductive layer (12; 51) of the carrier film. The thin-film battery is further characterized by the fact that the carrier film has weakening lines (510) in the region of the fold edges (11).

A battery assembly including: a) one or more stacks of a plurality of electrode plates comprising one or more bipolar plates having a substrate with an anode on one surface and a cathode on an opposing surface; b) a separator and an electrolyte located between adjacent pairs of the electrode plates of the one or more stacks; c) one or more terminal covers located adjacent to the plurality of electrode plates; and d) one or more terminals which are in contact with one or more current conductors, current collectors, or both and the one or more terminals are configured to transmit electrical current from the battery assembly to an exterior load; and wherein the one or more terminals pass through the one or more terminal covers such that the one or more terminals are exposed outside of the battery assembly.

Aspects of the present invention relate to a battery cell (102) comprising a first electrode stack (104) having at least two pairs of electrode connector portions, each pair of electrode connector portions comprising a positive electrode connector portion (104a) and a negative electrode connector portion (104b), a second electrode stack (106) having at least two pairs of electrode connector portions, each pair of electrode connector portions comprising a positive electrode connector portion (106a) and a negative electrode connector portion (106b), and a terminal structure (108) at least partly disposed between each of the first electrode stack (104) and the second electrode stack (106). The terminal structure (108) comprises a first terminal (110) having at least a pair of first openings (112), a second terminal (114) having at least a pair of second openings (116), and an electrical insulator (118) disposed between each of the first terminal (110) and the second terminal (114). One electrode connector portion (104b) of each of the at least two pairs of electrode connector portions of the first electrode stack (104) is connected to the first terminal (110) and the other electrode connector portion (104a) of each of the at least two pairs of electrode connector portions of the first electrode stack (104) is connected to the second terminal (114) through one of the pair of first opening (112). One electrode connector portion (106a) of each of the at least two pairs of electrode connector portions of the second electrode stack (106) is connected to the second terminal (114) and the other electrode connector portion (106b) of each of the at least two pairs of electrode connector portions of the second electrode stack (106) is connected to the first terminal (110) through one of the pair of second openings (116).

A power storage module (1) comprises a plurality of bipolar electrodes (100), an outermost positive electrode (200), an outermost negative electrode (300), a first sealing part (410), a second sealing part (420), an inner sealing part (430), a first insulating member (500), a second insulating member (600), and an inner insulating member (710). At a periphery of each positive electrode current-collecting foil (111), a positive-electrode-free portion (111a) is formed, and at a periphery of each negative electrode current-collecting foil (112), a negative-electrode-free portion (112a) is formed. The first insulating member (500) includes a first outer insulating part (515), the second insulating member (600) includes a second outer insulating part (615), and the inner insulating member (710) includes an inner insulating part (712). Each of a thickness of the first outer insulating part (515) and a thickness of the second outer insulating part (615) is more than a thickness of the inner insulating part (712).

A battery (100) suitable for powering a wireless tag (119) includes a first sub-cell and a second sub-cell (114, 115) formed as a layer stack, each sub-cell having a negative electrode (107b, 107c) and a positive electrode (108b, 108c), a separator (117b, 117c) arranged between the positive and negative electrodes, and a plurality of separate electrical conductors (101, 102, 103), including a first conductor (101) in electrical contact with one of the electrodes (107b) of the first sub-cell (114); The device includes a second conductor (102) that electrically connects the electrode (108b) of the first unit cell (114) that is not in contact with the first conductor (101) to the electrode (107c) of the second unit cell (115) having the opposite polarity to form a series connection, a third conductor (103) that is in electrical contact with the electrode (108c) of the second unit cell (115) that is not in contact with the second conductor (102), and a first substrate (109a, 109b) between which the unit cells (114, 115) and the conductors (101, 102, 103) are arranged. The first conductor and the third conductor (101, 103) are arranged at a distance from each other on the first substrate (109a), while the second conductor (102) is arranged on the second substrate (109b). The electrically connected electrodes (108b, 107a) of the first and second sub-cells (114, 115) are arranged side by side in the form of layers on the second substrate (109b), each covering a partial area of ​​the second conductor (102) and separated from each other by a gap (110). The electrodes (107b, 108a) that are not connected to each other via the second conductor (102) are arranged in the form of layers on the first substrate (109a), such that the electrode (107b) in electrical contact with the first conductor (101) covers at least a portion of the first conductor (101) and the electrode (108c) in electrical contact with the third conductor (103) covers at least a portion of the third conductor (103). The separators (117b, 117c) of the single cells (114, 115), also in the form of layers, each have one surface contact with one of the electrically connected electrodes (108b, 107c) and their other surface contact with one of the non-electrically connected electrodes (107b, 108c).

Power storage device (1), with a power storage module (4); a conductive plate (5, 5A) which is intended to be laminated with the power storage module (4); and a sealing element (80) provided between the conductive plate (5, 5A) and the power storage module (4), wherein the power storage module (4) has an electrode laminate (11) with several laminated metal plates (15, 20A, 20B) and a sealing body (12) which is provided such that it surrounds a side surface of the electrode laminate (11), forms an interior space between adjacent electrodes (14, 18, 19) and seals the interior space, the several metal plates (15, 20A, 20B) have a metal plate (15) of a negative terminal electrode (18), a metal plate (15) of a positive terminal electrode (19) and metal plates (15) of several bipolar electrodes (14) which are provided between the negative terminal electrode (18) and the positive terminal electrode (19), the sealing body (12) has several resin sections (21), each of which has a frame shape and is provided at individual edge sections (15c, 20c) of the several metal plates (15, 20A, 20B) in the electrode laminate (11), the metal plates (20A, 20B) at the laminate ends of the electrode laminate (11) each have an exposed surface (20d) that is exposed by the resin section (21), the exposed surface (20d) has a contact area (20e) that is in contact with the conductive plate (5, 5A) and a non-contact area (20f) that is not in contact with the conductive plate (5, 5A), and the sealing element (80) has a first sealing section (80a) which is provided along an inner edge of the resin section (21) to be in contact with the resin section (21), adheres to the conductive plate (5, 5A) and the non-contact area (20f), fills a section between the conductive plate (5, 5A) and the non-contact area (20f) and seals a section between the conductive plate (5, 5A) and the exposed surface (20d), characterized by the fact that the conductive plate (5A) has several interconnected plate elements (50), and the sealing element (80) has a second sealing section (80b) which is provided along a coupling section (60) formed between the adjacent plate elements (50), adheres to each of the adjacent plate elements (50) and the non-contact area (20f), fills a section between each of the adjacent plate elements (50) and the non-contact area (20f) and seals the section between the conductive plate (5, 5A) and the exposed surface (20d).

Method for testing a stack 1 of several battery elements, each comprising an anode 2a, a cathode 2b and a separator 3 as types of battery element layers, wherein the separator 3 is arranged between the anode 2a and the cathode 2b, and wherein: • in a first test step, it is checked whether edges of the battery element layers lie within a first tolerance range, wherein the battery elements for which this applies are determined as usable battery elements, • several of the usable battery elements are stacked to form the battery element stack 1, and • in a second test step, the battery element stack 1 is irradiated with X-rays emitted by an X-ray source 7 and detected by an X-ray detector 8, wherein the X-rays are oriented perpendicular to large areas of the battery element layers.and by means of the detected X-ray radiation, the positions of those edges of a type of battery element layers that define at least two of the corners of these battery element layers are determined, whereby it is checked whether the greatest distance between the edges located in the same position of all the battery element layers of the selected type lies within a second tolerance range.

The utility model discloses a seawater battery device which comprises a plurality of battery units which are connected in series, and each battery unit is independently arranged and is respectively provided with a seawater inlet and a seawater outlet. The battery unit comprises a shell unit, a positive pole plate and a negative pole plate, the positive pole plate and the negative pole plate are packaged in the shell unit, and an independent space defined by the positive pole plate, the negative pole plate and the shell unit serves as an electrolytic tank of the battery unit. The seawater entering the battery is only subjected to electrolytic reaction in the corresponding battery unit and does not flow to other battery units, so that the phenomenon of'current leakage 'between electrode plates of a traditional seawater battery caused by series connection of multiple groups of single battery units is effectively reduced, and the working performance and the use efficiency of the battery are improved. Meanwhile, the electrode plates are packaged in the shell, so that the effects of supporting the shell and separating the internal space of the shell can be achieved; and the shell adopts an assembled structure, so that the battery is simple and compact in design, and the voltage and discharge efficiency of the seawater battery can be improved.

A bipolar electrode comprises, in a plane-perpendicular direction, the following in sequence: a positive electrode composite material layer (11); a positive electrode current collector film (12); an intermediate film (13); a negative electrode current collector film (14); and a negative electrode composite material layer (15). Both the positive electrode current collector film (12) and the negative electrode current collector film (14) are attached to the intermediate film (13). The positive electrode composite material layer (11) is attached to the positive electrode current collector film (12). The negative electrode composite material layer (15) is attached to the negative electrode current collector film (14). The intermediate film (13) is conductive.The bipolar electrode is configured such that the positive electrode current collecting foil (12) and / or the negative electrode current collecting foil (14) is / are separated from the intermediate film (13) before the intermediate film (13) breaks when the intermediate film (13) is stretched in a plane direction.

Method for producing a stack of bipolar battery cells (1), comprising alternating stacking of - Bipolar collectors (101, 102, ...), - a first active material (121, 122, ...), - Separators (141, 142, ...) and - a second active material (161, 162, ...), so that in stacking direction R S growing bipolar battery cell stack (1) oriented in a direction perpendicular to the stacking direction (R S ) the standing expansion plane extends in a plate-like manner until a defined stacking height is reached, wherein before each stacking of a bipolar electrode unit (181, 182, ...), each formed from one of the bipolar collectors with the first active material applied on one side and the second active material applied on the other side (101, 102, ...) - Sealing material of a first sealing edge arrangement (221, 222, ...) is applied to the respective bipolar collector (101, 102, ...), - the respective separator (141, 142, ...) is inserted into the sealing material, - the sealing material over an activation period t A1 is hardened, then - Sealing material of a second sealing edge arrangement (241, 242, ...) is applied to the first sealing edge arrangement (221, 222, ...) and - the sealing material of the second sealing edge arrangement (241, 242, ...) over a period of time t compared to the activation period A1 shorter activation period t A2 is hardened, the hardening of the sealing material results in the two sealing edge arrangements (221, 222, ..., 24) 1,242, ...) to seals between the respective bipolar collectors (101, 102, ...) of adjacent bipolar electrode units (181, 182, ...) so that an electrolyte filling can be retained within the space formed by the bipolar collectors (101, 102, ...) and the respective associated seal (201, 202, ...).

A battery cell 102 comprises first and second electrode stacks 104,106 each having at least two pairs of electrode connectors comprising a positive electrode connector portion 104a,106a and a negative electrode connector portion 104b,106b and a terminal structure 108 at least partly disposed between the first and second electrode stacks. The terminal structure comprises first and second terminals 110,114 having at least a pair of first openings 112 and a pair of second openings 116, and an electrical insulator 118 between the first and second terminals. One electrode connector portion 104b of the first electrode stack 104 is connected to the first terminal 110 and the other electrode connector portion 104a of the first electrode stack is connected to the second terminal 114 through one of the pair of first openings 112. One electrode connector portion 106a of the second electrode stack 106 is connected to the second terminal 114 and the other electrode connector portion 106b of the second electrode stack is connected to the first terminal 110 through one of the pair of second openings 116. By providing multiple pairs of connector portions, current flows along a shorter path, leading to reduced resistance and heat generation.

Novel, high voltage cathode active materials for non-aqueous ammonia based primary and reserve batteries are described therein, as well as non-aqueous electrolytes supporting high voltage, and various anodes, separators and cell constructions are disclosed. Said materials provide higher power output at low temperatures over prior art ammonia based batteries.

The present invention relates to an electrode assembly having a novel structure, and an electrochemical device comprising same, the electrode assembly comprising: a first unit comprising at least one first monocell; a second unit comprising at least one second monocell; and an insulating film interposed between the first unit and the second unit, wherein the first unit and the second unit are electrically connected in series so as to implement a high nominal voltage and a high energy density. According to one aspect of the present invention, an advantageous effect may be achieved in that a nominal voltage of the electrochemical device can be improved while minimizing a configuration of auxiliary components of the electrochemical device.

Bipolar plate for a fuel cell, as well as a fuel cell comprising such bipolar plates and a method for manufacturing such a fuel cell. This bipolar plate comprises two plates, anodic and cathodic, provided with channels for the circulation of a reactive fluid. Figure for the abstract: Figure 4.