Patents Assigned to Speira GmbH
  • Publication number: 20250118835
    Abstract: A battery cell housing has a battery cell housing jacket with at least in areas a rectangular cross section and which can be manufactured very easily and at the same time allows the use of a wide range of aluminium alloys in order to be able to respond flexibly to various requirements of the battery cell housing. Increased strength requirements or thermal conductivity requirements are achieved in that the battery cell housing has a roll-formed tubular body made of an aluminium alloy as the battery cell housing jacket. The battery cell housing jacket is joined in the longitudinal direction and has at least in areas a rectangular cross section. The battery cell housing jacket is preferably being roll-formed from an aluminium alloy strip.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 10, 2025
    Applicant: Speira GmbH
    Inventors: Martin Christoph Lentz, Holger Aretz, Hartmut Janssen
  • Publication number: 20250075293
    Abstract: A battery cell housing having an aluminium alloy strip or sheet. The object of providing a battery cell housing having an aluminium alloy strip or sheet which, on the one hand, makes it possible to achieve recycling rates and, on the other hand, satisfies the requirements of a battery cell housing, in particular with regard to strength, electrolyte stability and electrical and thermal conductivity, is achieved in that the aluminium alloy strip or sheet has an aluminium alloy with the following alloy constituents in wt %: 0.1%?Si?0.5%, 0.25%?Fe?0.8%, Cu?0.6%, 0.6%?Mn?1.4%, 0.5%?Fe?1.5%, Cr?0.25%, Zn?0.4%, 0.005%?Ti?0.2%, the remainder being Al and unavoidable impurities, individually at most 0.05% and in total at most 0.15%.
    Type: Application
    Filed: November 19, 2024
    Publication date: March 6, 2025
    Applicant: Speira GmbH
    Inventors: Martin Christoph Lentz, Andreas Siemen, Holger Aretz, Hartmut Janssen, Volker Denkmann, Mathis Ruppert, Thiemo Brüggemann, Waldemar Krieger, Philipp Kramer
  • Publication number: 20250066923
    Abstract: An aluminium strip for manufacturing a package of a solid, liquid or gaseous product consisting of an aluminium alloy. The aluminium strip has at least a one-sided or two-sided antibacterial coating. The object of proposing an aluminium strip consisting of an aluminium alloy with at least a one-sided or two-sided antibacterial coating, which can be more easily produced with very good antibacterial effect of the coating and can already provide very good antibacterial properties at extremely low concentrations of the antibacterial substance, is achieved by the antibacterial coating containing ZnMoO4 as the antibacterial substance.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Applicant: Speira GmbH
    Inventors: Ishak Bakirel, Annika Dierker
  • Patent number: 12215295
    Abstract: Described is a cooling lubricant for cold rolling aluminum, which includes a mineral oil-based or synthetic base oil and a polyalkylene glycol or a compound with a polyalkylene oxide structure. Further, the cooling lubricant is not water-soluble or miscible with water, and the cooling lubricant is substantially free of fatty acids and fatty alcohols.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: February 4, 2025
    Assignee: Speira GmbH
    Inventors: Stephan Draese, Thomas Graf, Oliver Seiferth, Volker Schmitz
  • Patent number: 12180566
    Abstract: A battery cell housing having an aluminium alloy strip or sheet. The object of providing a battery cell housing having an aluminium alloy strip or sheet which, on the one hand, makes it possible to achieve recycling rates and, on the other hand, satisfies the requirements of a battery cell housing, in particular with regard to strength, electrolyte stability and electrical and thermal conductivity, is achieved in that the aluminium alloy strip or sheet has an aluminium alloy with the following alloy constituents in wt %: 0.1%?Si?0.5%, 0.25%?Fe?0.8%, Cu?0.6%, 0.6%?Mn?1.4%, 0.5%?Fe?1.5%, Cr?0.25%, Zn?0.4%, 0.005%?Ti?0.2%, the remainder being Al and unavoidable impurities, individually at most 0.05% and in total at most 0.15%.
    Type: Grant
    Filed: March 29, 2024
    Date of Patent: December 31, 2024
    Assignee: Speira GmbH
    Inventors: Martin Christoph Lentz, Andreas Siemen, Holger Aretz, Hartmut Janssen, Volker Denkmann, Mathis Ruppert, Thiemo Brüggemann, Waldemar Krieger, Philipp Kramer
  • Publication number: 20240425952
    Abstract: A battery cell housing having an aluminium alloy strip or sheet. The object of providing a battery cell housing having an aluminium alloy strip or sheet which, on the one hand, makes it possible to achieve recycling rates and, on the other hand, satisfies the requirements of a battery cell housing, in particular with regard to strength, electrolyte stability and electrical and thermal conductivity, is achieved in that the aluminium alloy strip or sheet has an aluminium alloy with the following alloy constituents in wt %: 0.1% ?Si?0.5%, 0.25% ?Fe?0.8%, Cu?0.6%, 0.6% ?Mn?1.4%, 0.5% ?Fe?1.5%, Cr?0.25%, Zn?0.4%, 0.005% ?Ti?0.2%, the remainder being Al and unavoidable impurities, individually at most 0.05% and in total at most 0.15%.
    Type: Application
    Filed: March 29, 2024
    Publication date: December 26, 2024
    Applicant: Speira GmbH
    Inventors: Martin Christoph Lentz, Andreas Siemen, Holger Aretz, Hartmut Janssen, Volker Denkmann, Mathis Ruppert, Thiemo Brüggemann, Waldemar Krieger, Philipp Kramer
  • Publication number: 20240332679
    Abstract: A battery cell housing of a round battery cell includes a cylindrical housing shell with an outer diameter of more than 15 mm, preferably more than 20 mm, particularly preferably more than 22 mm, and to the use of an aluminium alloy for manufacturing a battery cell housing. The object of providing a high-strength battery cell housing of a round battery cell, having a cylindrical housing shell with a diameter of more than 15 mm, preferably more than 20 mm, in particular more than 22 mm, which allows improved properties regarding heat management and weight of the round battery cell without excessively limiting the capacity of the round battery cell, is achieved in that the housing shell consists at least partially of an aluminium alloy, and the yield strength Rp0.2 of the housing shell is at least 183 MPa, preferably at least 220 MPa, particularly preferably at least 250 MPa.
    Type: Application
    Filed: June 13, 2024
    Publication date: October 3, 2024
    Applicant: Speira GmbH
    Inventors: Martin Christoph Lentz, Mathis Ruppert
  • Publication number: 20240301313
    Abstract: Spent potlining material contains spent potliner from aluminium electrolysis cells, and at least one hydrophobic binder. The hydrophobic binder being selected from wax, a waxlike compound or mixtures thereof. A method for producing a spent potlining material includes the steps of (a) providing spent potliner from aluminium electrolysis cells, (b) comminuting the spent potliner in at least one comminuting apparatus, (c) fractionating the spent potliner through a separating apparatus, (d) mixing the spent potliner with at least one hydrophobic binder, selected from wax, a waxlike compound or mixtures thereof, in a mixing apparatus, (e) portioning the mixture obtained in step (d), (f) withdrawing the spent potlining material The steps (b) to (d) are carried out in an inert gas atmosphere. Also, spent potlining material is used as fuel in power stations and also in connection with the production of mineral wool, cement and steel.
    Type: Application
    Filed: May 17, 2024
    Publication date: September 12, 2024
    Applicant: Speira GmbH
    Inventors: Ralf Lemke, Olaf Güßgen, Kathrin Eckhard, Joachim Höfler, Andreas Beermann, Thorsten Kensy
  • Patent number: 12046758
    Abstract: The invention relates to a battery electrode foil comprising an aluminium alloy, wherein the aluminium alloy has the following composition in % by weight: Si: 0.01-0.15% by weight, Fe: 0.02-0.4% by weight, Cu: ?0.08% by weight, Mn: ?0.03% by weight, Mg: ?0.03% by weight, Cr: ?0.01% by weight, Ti: 0.005-0, 03% by weight, wherein the aluminium alloy can contain impurities up to a maximum of 0.05% in each case, in total up to a maximum of 0.15%, the remaining % by weight being aluminium, the proportion of aluminium however being at least 99.35% by weight; wherein the battery electrode foil has intermetallic phases with a diameter length of 0.1 to 1.0 ?m with a density of ?9500 particles/mm2. The invention further relates to a method for the production of a battery electrode foil, its use for the production of accumulators, and accumulators containing the battery electrode foil.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: July 23, 2024
    Assignee: Speira GmbH
    Inventors: Galyna Laptyeva, Ulrich Hampel, Volker Denkmann
  • Publication number: 20240240290
    Abstract: A battery cell housing having an aluminium alloy strip or sheet. The object of providing a battery cell housing having an aluminium alloy strip or sheet which, on the one hand, makes it possible to achieve recycling rates and, on the other hand, satisfies the requirements of a battery cell housing, in particular with regard to strength, electrolyte stability and electrical and thermal conductivity, is achieved in that the aluminium alloy strip or sheet has an aluminium alloy with the following alloy constituents in wt %: 0.1%?Si?0.5%, 0.25%?Fe?0.8%, Cu?0.6%, 0.6%?Mn?1.4%, 0.5%?Fe?1.5%, Cr?0.25%, Zn?0.4%, 0.005%?Ti?0.2%, the remainder being Al and unavoidable impurities, individually at most 0.05% and in total at most 0.15%.
    Type: Application
    Filed: March 29, 2024
    Publication date: July 18, 2024
    Applicant: Speira GmbH
    Inventors: Martin Christoph Lentz, Andreas Siemen, Holger Aretz, Hartmut Janssen, Volker Denkmann, Mathis Ruppert, Thiemo Brüggemann, Waldemar Krieger, Philipp Kramer
  • Publication number: 20240200171
    Abstract: An aluminium alloy strip made of an aluminium alloy, a method for manufacturing the aluminium alloy strip and its preferred use are described. The aluminium alloy strip provides resistance to intercrystalline corrosion, strength and improved forming properties, by the aluminium alloy strip having an aluminium alloy with the following composition in % by weight: Si?0.10%, Fe?0.25%, 0.20%?Mn?0.30% 4.72%?Mg?4.95%, Cu?0.10%, Cr?0.02%, Ni?0.01%, Zn?0.10%, Ti?0.04%, remainder being Al with unavoidable impurities individually ?0.05%, in total ?0.15%. The aluminium alloy strip has an average secondary phase density of less than 250 per 1000 ?m2, the total number of secondary phases determined in at least 10 measuring fields in relation to the total measuring surface of all examined measuring fields resulting in the secondary phase density.
    Type: Application
    Filed: February 26, 2024
    Publication date: June 20, 2024
    Applicant: Speira GmbH
    Inventors: Olaf Engler, Holger Aretz, Janina Krause, Martin Cremer
  • Patent number: 11953424
    Abstract: A method for the surface treatment of flat products made of aluminium alloys. The method includes pickling the flat product, in particular for degreasing the flat product. The method includes carrying out a colour measurement on the surface of the flat product to determine at least one measured colour value after pickling the flat product. The method includes generating output information on the basis of the at least one measured colour value. The output information is indicative of compliance with at least one rule for the measured colour value and outputting or triggering the output of the output information. The invention further relates to a device for the surface treatment of flat products made of aluminium alloys and to a use of a colorimeter which is configured to determine at least one measured colour value in a surface treatment of flat products made of aluminium alloys.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: April 9, 2024
    Assignee: SPEIRA GMBH
    Inventors: Dirk Zentzis, Gernot Nitzsche, Kathrin Eckhard
  • Patent number: 11807027
    Abstract: The present disclosure provides an aluminium alloy strip for lithographic printing plate supports, which has a rolled-in surface topography on one strip surface. Further, a method is disclosed for manufacturing the aluminium alloy strip and a printing plate for lithographic printing, with a printing plate support made of aluminium alloy. The object of proposing an aluminium alloy strip for lithographic printing plate supports is that it provides a long service life in the printing process and is roughened with less charge support entry. This is achieved in that the surface of the aluminium alloy strip has a mean peak number measured perpendicular to the rolling direction of the aluminium alloy strip.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: November 7, 2023
    Assignee: Speira GmbH
    Inventors: Oliver Bauer, Gernot Nitzsche, Volkan Barisik, Vera Bartosinski, Jasmin Dahmen, Klaus Weichbrodt, Jan Hendrik Holtz
  • Publication number: 20230339014
    Abstract: A casting roller or belt for a revolving chill mould of a strip casting system for the manufacture of an aluminium alloy strip and a strip casting system for manufacturing an aluminium alloy strip comprising at least one revolving chill mould with a casting gap. A method for manufacturing an aluminium alloy strip by means of a strip casting system. The object of providing a casting roller or belt or a strip casting system, by means of which, adhesion to the casting roller or belt is avoided during strip casting and a low-segregation and crack-free aluminium alloy strip can be produced, in particular under industrial conditions, is achieved by a specific surface structure, in that the surface of the casting roller or belt has a roughness value Sa of more than 5 ?m and an average peak count RPc(0.5 ?m) of less than 42 cm?1.
    Type: Application
    Filed: June 29, 2023
    Publication date: October 26, 2023
    Applicant: Speira GmbH
    Inventors: Kai-Friedrich Karhausen, Mark Badowski, Wolfgang Müller, Dirk Gade
  • Publication number: 20230323514
    Abstract: An aluminium alloy foil with a thickness of maximum 12 ?m, maximum 9 ?m or less than 8 ?m. The aluminium alloy foil is an AA1xxx or A8xxx aluminium alloy in the annealed state. In addition, a method for manufacturing an aluminium alloy foil and its use. The object of proposing an aluminium alloy foil with improved barrier properties, a method for its manufacture and a use of the aluminium alloy foil is achieved in that the aluminium alloy foil has a maximum number of pores with a pore size of 1 ?m to 200 ?m of maximum 12 per dm2, maximum 8 per dm2 or maximum 6 per dm2. In addition, a method is specified for how this aluminium alloy foil can be manufactured.
    Type: Application
    Filed: June 13, 2023
    Publication date: October 12, 2023
    Applicant: Speira GmbH
    Inventors: Galyna Laptyeva, Michael Eberhard, Jan Simmer, Michael Wimmer, Günter Schubert, Dirk Calmer, Stefan Holz
  • Publication number: 20230203395
    Abstract: Described is a cooling lubricant for cold rolling aluminum, which includes a mineral oil-based or synthetic base oil and a polyalkylene glycol or a compound with a polyalkylene oxide structure. Further, the cooling lubricant is not water-soluble or miscible with water, and the cooling lubricant is substantially free of fatty acids and fatty alcohols.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 29, 2023
    Applicant: Speira GmbH
    Inventors: Stephan Draese, Thomas Graf, Oliver Seiferth, Volker Schmitz
  • Publication number: 20230197969
    Abstract: An aluminum foil is formed from an alloy of type AA1xxx, AA3xxx, and/or AA8xxx, which has a cold-solidified state and contains on its surface a rolling oil layer with a polyalkylene glycol or a compound containing a polyalkylene oxide structure. The aluminum foil has a thickness of 4 ?m to 100 ?m and can be easily coated with an electrode suspension for producing a battery film.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Applicant: Speira GmbH
    Inventors: Stephan Draese, Thomas Graf, Oliver Seiferth, Volker Schmitz
  • Patent number: 11673184
    Abstract: A strip casting system for aluminium and/or aluminium alloys comprising a casting furnace and a revolving chill mould having a casting gap. The revolving chill mould is designed as a roll pair, roller pair, caterpillar pair or belt pair. The strip casting system has an active means for transporting metal melt from the casting furnace to the casting gap and a casting region arranged in front of the casting gap. The casting region is delimited on one side by the revolving chill mould. A melt pool is formed in the casting region, from which metal melt flows or is drawn into the casting gap. The casting furnace is connected to the casting region by a pipe system with means for feeding the metal melt into the casting region, which can feed the metal melt to the casting region below the surface of the melt pool formed in the casting region.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: June 13, 2023
    Assignee: Speira GmbH
    Inventors: Kai-Friedrich Karhausen, Ralph Bock, Manfred Langen, Wolfgang Müller, Mark Badowski
  • Publication number: 20230086926
    Abstract: The present disclosure provides an aluminium alloy strip for lithographic printing plate supports, which has a rolled-in surface topography on one strip surface. Further, a method is disclosed for manufacturing the aluminium alloy strip and a printing plate for lithographic printing, with a printing plate support made of aluminium alloy. The object of proposing an aluminium alloy strip for lithographic printing plate supports is that it provides a long service life in the printing process and is roughened with less charge support entry. This is achieved in that the surface of the aluminium alloy strip has a mean peak number measured perpendicular to the rolling direction of the aluminium alloy strip.
    Type: Application
    Filed: September 14, 2022
    Publication date: March 23, 2023
    Applicant: Speira GmbH
    Inventors: Oliver Bauer, Gernot Nitzsche, Volkan Barisik, Vera Bartosinski, Jasmin Dahmen, Klaus Weichbrodt, Jan Hendrik Holtz
  • Publication number: 20230078028
    Abstract: The present disclosure provides an aluminium material for the manufacture of high-strength, soldered components, including an aluminium alloy. After soldering, the aluminium material is in materially-bonded contact with at least one solder layer. The object of providing an aluminium material is to provide not only good soldering properties and formability, but also high strength. This is achieved because the aluminium alloy of the aluminium material has a solidus temperature, and the aluminium material has an increase in yield strength compared to the state after soldering and cooling.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 16, 2023
    Applicant: Speira GmbH
    Inventors: Martin Christoph Lentz, Nico Eigen, Volker Sass