WO2023052426A1 - Système de climatisation et machine de l'industrie produisant des éléments de stockage d'énergie - Google Patents

Système de climatisation et machine de l'industrie produisant des éléments de stockage d'énergie Download PDF

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Publication number
WO2023052426A1
WO2023052426A1 PCT/EP2022/076988 EP2022076988W WO2023052426A1 WO 2023052426 A1 WO2023052426 A1 WO 2023052426A1 EP 2022076988 W EP2022076988 W EP 2022076988W WO 2023052426 A1 WO2023052426 A1 WO 2023052426A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
air conditioning
conditioning arrangement
machine
climate
Prior art date
Application number
PCT/EP2022/076988
Other languages
German (de)
English (en)
Inventor
Thomas KEHRER
Knut Tracht
Marlo Leander Schmidt
Frank Weimann
Manfred Folger
Original Assignee
Körber Technologies Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Körber Technologies Gmbh filed Critical Körber Technologies Gmbh
Publication of WO2023052426A1 publication Critical patent/WO2023052426A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/005—Devices for making primary cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general

Definitions

  • the present invention relates to an air conditioning arrangement for a machine in the energy cell producing industry.
  • the invention also relates to a machine comprising such an air conditioning arrangement.
  • Energy cells or energy storage cells are used for galvanic accumulators, for example in motor vehicles, other land vehicles, ships and airplanes, in which a considerable amount of energy has to be stored so that it can be called up over longer periods of time.
  • energy cells have a structure made up of a large number of segments stacked to form a stack. These segments are each alternating anode sheets and cathode sheets, also referred to as electrodes, separated from one another by separator sheets, also made as segments.
  • Devices for producing battery cells are known, for example, from WO 2020/192845 A1, WO 2016/041713 A1, DE 10 2017 216 138 A1 and DE 10 2017 216 213 A1.
  • the object of the invention is to provide an air conditioning arrangement and a machine which are set up for the production of high quality energy cells.
  • the invention therefore provides an air-conditioning arrangement for a machine in the energy cell-producing industry, which has an air-conditioning device for generating a production climate with a dew point below -20 °C, preferably below -30 °C, more preferably -40 °C or lower, for example in the range between -40 °C and -60 °C in a process room. Due to the very dry process climate provided according to the invention, damage to and impairment of the materials by water molecules and water droplets can be avoided.
  • the air conditioning device is preferably set up to generate a clean room climate in the process room. In this way, damage and impairment of the materials caused by particle contamination can be avoided.
  • the clean room climate is preferably class 5 according to ISO 14644 or cleaner, more preferably class 6 according to ISO 14644 or cleaner, for example class 7 according to ISO 14644.
  • the air conditioning arrangement preferably has a filter device for filtering the air in or for the process space.
  • the separating device can advantageously comprise at least one air suction device. Additionally or alternatively, the separating device advantageously comprise a particle sorption device.
  • the air conditioning arrangement preferably has at least one separate cooling device which is connected to a heat source.
  • the cooling device can work in particular by means of water cooling. In this way, there is the possibility of minimizing the heat input into the process climate, in that the heat from particularly powerful consumers is led out of the system boundary of the process climate by means of the cooling device and dissipated separately. This can be particularly useful for large heat sources, as these can locally make it difficult to maintain the process temperatures.
  • the heat input into the process space can be homogenized and more easily compensated for by one of the air conditioning devices
  • the air conditioning arrangement preferably has a device for generating an overpressure within the process space.
  • the air conditioning arrangement preferably has at least one air supply device for supplying conditioned air into the process space.
  • the air conditioning arrangement has a measuring and/or control device for measuring and/or controlling one or more of the following variables: air temperature, air humidity, air pressure and/or air purity in the processing room or one or more zones of the processing room; Air temperature, humidity, air pressure and/or air purity on an input side of the air conditioning device. If the measured values deviate too much from the stored target values suitable measures are initiated, for example an emergency stop of the machine.
  • the invention also provides a machine of the energy cell producing industry with an air conditioning arrangement as described above.
  • the machine has at least one machine section, a module housing locally surrounding the at least one machine section and the air conditioning device, the air conditioning device being configured to generate a local process climate limited to a process space within the module housing. Due to this feature, the desired process climate is only generated in the process room instead of in the entire production hall. The volume to be air-conditioned to the process climate is therefore many times smaller than in the prior art. This leads to a significant reduction in operating costs and energy requirements, as well as lower investment costs due to lower structural requirements. Personnel can move around the production hall without protective clothing, as it does not have to be air-conditioned to match the process climate, but rather has to meet lower climatic requirements.
  • a potentially stressful working environment for employees occurs at best in the short term when there is an intervention in the process.
  • a fault in the air conditioning does not affect the entire production hall, but only the module housing and can therefore be rectified faster and with less effort.
  • the air conditioning device can be provided by the machine manufacturer, the machine manufacturer can act as a one-stop shop for the machine arrangement.
  • a defined and uniform system boundary is created by the provided at least one module housing.
  • the production facility can be integrated into a conventional production hall because no special requirements need to be placed on the primary air conditioning.
  • the air conditioning device is advantageously set up to generate a conditioned air flow from the environment through an opening in the module housing into the interior of the module housing.
  • the in particular electrically operated air conditioning device preferably comprises an air conditioning system which is set up to generate a conditioned air flow from the surroundings of the module housing into the interior of the module housing.
  • the air conditioning device can have an air dryer arranged in the interior of the module housing, in particular a sorption dryer, which is set up for the adsorption and/or absorption of water molecules or water droplets on a surface that is, for example, electrically cooled and, if necessary, for discharging condensed water into the environment .
  • the machine preferably has a plurality of machine sections, each of which is assigned a local module housing and an air conditioning device for generating a section-wise adapted process climate in a respective process space within the respective module housing. Since different machine sections may require different process climates, the process climate can be adapted to the respective requirements of the respective machine section in this way.
  • Each machine section usually has a protection, ie an associated protective housing.
  • the module housing or in the case of a plurality, one, several or all of the module housings can be formed by a housing surrounding the cover, by the cover itself and/or within the cover.
  • a module housing is preferably assigned to one or more of the following machine sections: feed section for feeding in separator webs and electrode webs; Cutting section for cutting electrode sheets into individual electrode sheets; merging section for merging and superimposing separator sheets and electrode sheets; Connecting section for connecting the superimposed separator sheets and electrode sheets to form a composite separator-electrode sheet; Cutting section for cutting separator-electrode composite sheet into individual separator-electrode composite units; stacking section for stacking separator-electrode composite units to form cell stacks; conductor section for electrically connecting the electrodes of a cell stack to one another; Covering section for covering the cell stacks with a cover;
  • the air conditioning device is preferably set up to generate air that is dry relative to the environment of the module housing.
  • the dew point of the process supply air generated by the air conditioning device is advantageously lower than -20° C., preferably lower than -30° C., is more preferably -40° C. or less and is, for example, in the range from -40° C. to -60° C Due to the dry process air will damage or deterioration of the materials for the power cells by reacting with water is avoided.
  • the air conditioning device is preferably set up to generate a clean room climate in the process room.
  • the clean room climate is advantageously class 5 according to ISO 14644 or cleaner, preferably class 6 according to ISO 14644 or cleaner, more preferably class 7 according to ISO 14644 or cleaner.
  • the clean room environment helps prevent particle contamination from damaging or degrading the power cell materials.
  • the air conditioning device provides secondary air conditioning with a low dew point of, for example, ⁇ 40° C., relative to the dew point of the input air of the air conditioning device or the environment of the module housing.
  • the process temperature is 20 ⁇ 2 °C, for example.
  • the ambient temperature can be similar or the same as the process air temperature and can be 20 ⁇ 2 °C, for example.
  • the input air for the secondary air conditioning or for the air conditioning device can advantageously be the air in the production hall.
  • a production plant with at least one machine described above therefore preferably includes a primary air conditioning device for generating a higher-level primary climate, with the primary climate as an input variable for each Air conditioning device is used.
  • the primary climate is therefore advantageously generated by conventional air conditioning in the production hall and is used to condition the air as an input variable for the secondary process climate or the air conditioning device.
  • the secondary or microclimate generated by the air conditioning device in the machine or process room is used to condition the process steps for energy cell production and is separate from the primary climate in the production hall.
  • the secondary air conditioning is advantageously integrated into the production cell and/or module housing or into the machine.
  • the secondary process climate is shielded from the primary basic climate by the module housing and/or the housing of the production cell and/or the protection of the machine.
  • the air supplied by the air conditioning device is processed according to the clean room class and, if necessary, discharged locally separately.
  • the module housing preferably has a lock for transferring material or personnel in and/or out, so that the production climate is disturbed as little as possible.
  • the module housing is preferably designed so that it can be walked on in order to facilitate service work.
  • the module housing is preferably at least partially transparent in order to enable the process space to be inspected without entering it.
  • the machine is preferably operated via a control terminal which is arranged outside the module housing or module housings.
  • At least one sub-process space is provided within the machine or within the or a module housing, with the sub-process space having a capsule tion for delimiting a surrounding process space.
  • An air extraction device is preferably provided in the case of a partial process space with considerable particle emissions or heat generation, in particular during cutting or welding.
  • An additional air supply device is preferably provided in the case of a sub-process space with increased requirements for air purity, in particular during stacking or during pouch filling. More preferably, a material passage opening for introducing and removing material into or out of the encapsulation is provided in the or each encapsulation.
  • the process space can be broken down into sub-processes with different requirements.
  • the partial process spaces can be separated from each other and from the surrounding process space by encapsulation.
  • the encapsulated process sub-chamber can be extracted and/or supplied with air separately.
  • the material flow is preferably guided through small open cross sections of the encapsulations. These cause a minimal exchange of air between the areas.
  • the resulting different pressure conditions result in a directed flow of air from clean areas towards dirtier areas, so that contamination of the process space can be avoided.
  • the machine preferably has an air extraction device for extracting polluted air from the module housing and discharging it into the surroundings of the module housing.
  • an air processing device is provided for processing the air discharged from the air suction device.
  • FIG. 1 shows a schematic representation of an air-conditioned production plant
  • FIG. 2 shows a schematic representation of an air-conditioned production plant in another embodiment
  • FIG. 3 shows a schematic representation of an air-conditioned production plant in a further embodiment.
  • the production facility 10 shown in FIG. Materials for the production of battery cells run through the machine 12 .
  • the materials are conveyed, processed, processed and/or stored in the machine 12 .
  • the machine 12 has at least one machine section, in the present example two machine sections 13, 14.
  • the machine section 13 can be, for example, a logistics device for conveying and/or storing materials for battery cell production.
  • the machine section 14 can be a production machine, for example.
  • the number of machine sections in the machine 12 can also be greater than be two.
  • the air conditioning arrangement 35 preferably has a higher-level air conditioning device 20 which is set up to generate a primary or basic climate in the production hall 11 .
  • the air conditioning device 20 is preferably set up for drying and/or for tempering the air in the interior 19 of the production hall 11 .
  • the air conditioning device 16 is preferably set up to generate a basic climate in the process chamber 17 with a dew point in the range between +10° C. and -20° C., more preferably in the range between +5° C. and -10° C., for example 0° C .
  • the air temperature in the interior 19 of the production hall 11 is preferably in the range between 15° C. and 25° C. and is 20 ⁇ 2° C., for example.
  • the in particular electrically operated air conditioning device 20 preferably comprises an air conditioning system which is set up to generate a conditioned, in particular dried and/or temperature-controlled air flow 21 from the surroundings 22 of the production hall 11 into the interior 19 of the production hall 11 .
  • the air conditioning device 20 is advantageously arranged in the area of an opening 24 in the production hall 11 for the air flow 21 .
  • the machine 12 has a module housing 15 which locally surrounds at least one machine section, in this example the machine sections 13, 14.
  • “Local” means that the module housing 15 surrounds only a portion of the interior of the production hall 11 .
  • the interior volume 17 of the module housing 15 is thus considerably smaller than the interior volume 19 of the production hall 11, for example at most half as large.
  • “Local” also means that 11 additional components are located in the production hall. may be or are net that are not arranged in the module housing, for example other machine sections, higher-level supply facilities, display and/or operating devices, machine control etc.
  • the air conditioning arrangement 35 has an air conditioning device 16 which is set up to generate a local process climate limited to the interior 17 of the module housing 15 .
  • the air conditioning device 16 is preferably set up for drying and/or for tempering the air in the interior 17 of the module housing 15 .
  • a main function of the air conditioning device 16 is the drying of the air in the interior 17 of the module housing.
  • the process climate in the interior 17 of the module housing 15 is also present in the machine sections 13 and 14 enclosed by the module housing 15 .
  • the process climate in the interior 17 is significantly drier in relation to the environment 19 of the module housing 15, which is formed here by the interior of the production hall 11.
  • the air temperature in the process space 17 is preferably the same as the air temperature in the surroundings 19 of the module housing 15.
  • the air temperature in the process space 17 is preferably in the range between 15° C. and 25° C. and is 20 ⁇ 2° C., for example.
  • the particular electrically operated air conditioning device 16 preferably includes an air conditioner for generating a conditioned, particularly dried air flow 18 from the Environment 19 of the module housing 15 is set up in the interior 17 of the module housing 15 .
  • the air conditioning device 16 is advantageously arranged in the area of an opening 23 in the module housing 15 for the air flow 18 .
  • the air conditioning device 16 can have an air dryer, in particular a sorption dryer, arranged in the interior 17 of the module housing, which is used for the adsorption and/or absorption of water molecules or water droplets on a surface that is, for example, electrically cooled and, if necessary, for discharging condensed water into the environment 19 is set up. Tempering, ie temperature regulation or control, in particular cooling of the air flow 18 by the air conditioning device 16 can, but does not have to, take place.
  • the air conditioning device 16 is preferably set up to generate a clean room climate in the process room 17, for example the clean room climate class 7 according to ISO 14644.
  • the dry primary climate generated by the air conditioning device 20 prevails in the production hall 11 and is used as an input variable for the air conditioning device 16 to generate an even much drier process climate in the module housing. Since the volume of the module housing 15, in which one or more machine sections 13, 14 are arranged, is significantly smaller than the volume of the production hall 11, considerable energy savings and other advantages already described can be achieved.
  • each machine section 13, 14 has its own separate module housing 15A, 15B.
  • the Module housing 15A surrounds machine section 13 and module housing 15B surrounds machine section 14.
  • the number of module housings 15A, 15B, ... surrounding each machine section 13, 14, ... can be greater than two.
  • Each module housing 15A, 15B has its own air conditioning device 16A, 16B, which is set up to generate a process climate in the respective interior space 17A, 17B of the respective module housing 15A, 15B.
  • the process climates in the interior 17A, 17B can be the same or different. In this way, an individual adaptation of the process climate to the respective machine section 13, 14 is possible.
  • Each air conditioning device 16A, 16B can have one, several or all properties of the air conditioning device 16 according to FIG.
  • a production plant 10 can have one or more module housings 15A, 15B, . . . each with one machine section or functional section of the machine 12 and/or one or more module housings 15 .
  • One, several or all of the module housings 15, 15A, 15B can each have an air extraction device 31, see FIG.
  • One or more such air suction devices 31 may also be present in the other figures.
  • the air extraction device 31 can, for example, open into an air treatment device 30 arranged outside the module housing 15, which is set up for processing, for example cleaning and/or filtering, the extracted air.
  • a separate module housing can be provided for the following machine sections:
  • a module housing can be provided for several consecutive machine sections of the above enumeration.
  • a module case may be provided for an electrode cutting, merging, and connecting section.
  • a further embodiment of a machine 12 of the energy cell producing industry is shown schematically in FIG.
  • a module housing 15 defining a process space 17 and surrounding a machine section 13 is shown here.
  • the machine section 13 is divided here into a plurality of, for example, two sub-process rooms 25, 26.
  • the partial process rooms 25, 26 can have different requirements with regard to the process climate.
  • Each sub-process space 25, 26 is advantageously separated from the other sub-process spaces and the surrounding process space 17 by its own encapsulation 27, 28.
  • One or more encapsulations 27 can have an air extraction device 29 that is separate from the air extraction device 31 and is set up to extract air from the encapsulation 27 and discharge it into an area outside of the module housing 15 .
  • the air extraction device 29 can, for example, open into the air treatment device 30 .
  • a separate air extraction device 29 is particularly advantageous for those partial process spaces 25 that cause above-average particle emissions or heat, for example when cutting or welding materials.
  • One or more encapsulations 28 can have an air supply device 32 that is separate from the air flow 18 and is set up to supply air to the encapsulation 28 .
  • the air to be supplied can be branched off from the air conditioning device 16, for example.
  • a separate air supply device 32 is particularly advantageous for those partial process spaces 26 that place increased demands on air purity, for example when stacking or when filling pouches.
  • the material flow 33 through the machine 12 is also shown schematically in FIG.
  • the openings 34 have an open cross section that is as small as possible in order to bring about the least possible exchange of air between the encapsulated partial process chambers 25, 26 and the surrounding process chamber 17 and thus impair the effect of the encapsulations 27, 28 as little as possible.
  • Such material passage openings 34 can generally also be provided in the module housing 15, 15A, 15B.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Central Air Conditioning (AREA)

Abstract

L'invention concerne un système de climatisation (35) destiné à une machine (12) de l'industrie produisant des éléments de stockage d'énergie, le système comportant un dispositif de climatisation (16; 16A, 16B) qui est conçu pour produire une atmosphère de production caractérisée par un point de rosée inférieur à -20 °C dans une chambre de traitement (17; 17A, 17B).
PCT/EP2022/076988 2021-10-01 2022-09-28 Système de climatisation et machine de l'industrie produisant des éléments de stockage d'énergie WO2023052426A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021125513.9 2021-10-01
DE102021125513.9A DE102021125513A1 (de) 2021-10-01 2021-10-01 Klimatisierungsanordnung und Maschine der Energiezellen produzierenden Industrie

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WO2023052426A1 true WO2023052426A1 (fr) 2023-04-06

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WO (1) WO2023052426A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513734A2 (fr) * 1991-05-13 1992-11-19 WEISS UMWELTTECHNIK GmbH Procédé pour le conditionnement de l'air dans un espace séparable ainsi que dispositif d'essai
JP2012096165A (ja) * 2010-11-02 2012-05-24 Shinwa Controls Co Ltd 低露点空気発生装置
EP2853849A1 (fr) * 2013-09-27 2015-04-01 M+W Germany GmbH Séchoir, en particulier pour l'utilisation lors de la fabrication de batteries au lithium-ion
WO2016041713A1 (fr) 2014-09-19 2016-03-24 Manz Ag Dispositif de fabrication d'un élément de batterie
DE102017216213A1 (de) 2017-09-13 2019-03-14 Robert Bosch Gmbh Verfahren zur Herstellung eines Elektrodenstapels
KR20200080654A (ko) * 2018-12-27 2020-07-07 주식회사 원방테크 국부 드라이룸 시스템
WO2020192845A1 (fr) 2019-03-27 2020-10-01 Grob-Werke Gmbh & Co. Kg Dispositif et procédé pour fournir des brins d'électrodes et pour produire des arrangements d'électrodes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10126475A1 (de) 2001-05-31 2003-03-20 Juergen Loose Raumzonenbehandlungsgerät - eine Alternative zur Fensterlüftung
DE102017216138A1 (de) 2017-09-13 2019-03-14 Robert Bosch Gmbh Verfahren zur Herstellung eines Elektrodenstapels für eine Batteriezelle und Batteriezelle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513734A2 (fr) * 1991-05-13 1992-11-19 WEISS UMWELTTECHNIK GmbH Procédé pour le conditionnement de l'air dans un espace séparable ainsi que dispositif d'essai
JP2012096165A (ja) * 2010-11-02 2012-05-24 Shinwa Controls Co Ltd 低露点空気発生装置
EP2853849A1 (fr) * 2013-09-27 2015-04-01 M+W Germany GmbH Séchoir, en particulier pour l'utilisation lors de la fabrication de batteries au lithium-ion
WO2016041713A1 (fr) 2014-09-19 2016-03-24 Manz Ag Dispositif de fabrication d'un élément de batterie
DE102017216213A1 (de) 2017-09-13 2019-03-14 Robert Bosch Gmbh Verfahren zur Herstellung eines Elektrodenstapels
KR20200080654A (ko) * 2018-12-27 2020-07-07 주식회사 원방테크 국부 드라이룸 시스템
WO2020192845A1 (fr) 2019-03-27 2020-10-01 Grob-Werke Gmbh & Co. Kg Dispositif et procédé pour fournir des brins d'électrodes et pour produire des arrangements d'électrodes

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