METHOD FOR PRODUCING AN ELECTRODE WINDING FOR A LITHIUM-ION BATTERY

Abstract

A method for producing an electrode coil for a lithium-ion battery comprises: providing first and second current collectors, each having a first and second main surface, as well as a first separator and a second separator; applying a first and a second layer of an anode active material to the first and second main surfaces of the first current collector; applying a third and a fourth layer of a cathode active material to the first and second main surfaces of the second current collector; forming an assembly by arranging the first separator between the second layer and the third layer and arranging the second separator on the first layer; winding the assembly into an electrode coil such that the second main surface of the second current collector faces a center of the electrode coil;Prelithiating the first layer such that an n / p ratio of respective, mutually associated sections of the prelithiated first layer and the fourth layer is less than or equal to 1.1, and / or prelithiating the third layer such that an n / p ratio of respective, mutually associated sections of the second layer and the prelithiated third layer is less than or equal to 1.1, or applying the third layer from a cathode active material with a lithium content such that an n / p ratio of respective, mutually associated sections of the second layer and the third layer is less than or equal to 1.1, wherein a first layer thickness of the section of the prelithiated first layer and a second layer thickness of the section of the second layer satisfy the following formula: ; | ( first layer thickness ) − second layer thickness | first layer thickness < x , and / or a fourth layer thickness of the portion of the fourth layer and a third layer thickness of the portion of the prelithiated third layer or the third layer satisfy the following formula: | ( third layer thickness 3 ) − fourth layer thickness | third layer thickness ( d 3 ) < x , where 0 < x < 0.01, in particular 0 < x < 0.001.

Description

[0001] The present invention relates to a method for producing an electrode coil for a lithium-ion battery. The present invention further relates to a method for producing a lithium-ion battery using an electrode coil produced according to the method for producing the electrode coil for the lithium-ion battery, a lithium-ion battery produced according to the method for producing the lithium-ion battery, and a vehicle comprising the lithium-ion battery.

[0002] In lithium-ion batteries with a cathode and an anode, a so-called n / p ratio of the anode and cathode indicates the ratio of the anode capacity to the cathode capacity. The n / p ratio should be in the range of 1.0 < n / p < 1.1. The preferred n / p ratio may depend on the chemistry used, in particular the type of anode (active) material and the cathode (active) material, the cell design (for example, whether they are designed for high energy density or high power density), and the performance targets to be achieved with the cells.

[0003] In lithium-ion batteries or cells with an electrode coil, such as cylindrical cells, in particular with the same (layer) thicknesses of the anode and the cathode or the same thicknesses of the layer of anode active material and the layer of cathode active material, due to the different radii of the anode or the layer of anode active material and the cathode or the layer of cathode active material, an n / p ratio of the anode active material and the cathode active material, which indicates a ratio of the capacity of the anode active material to the capacity of the cathode active material, and thus an n / p ratio of the anode and the cathode, is not constant, wherein the respective n / p ratio depends on a position of the electrodes, ie the anode and the cathode, in the electrode coil.A difference in the n / p ratio for different positions in the electrode coil can lead to reduced cell performance and / or reduced cell lifetime and / or reduced energy density.

[0004] In order to achieve a constant or nearly constant n / p ratio in cells with an electrode coil, it is known to coat the two sides of the anode current collector and / or the cathode current collector asymmetrically with the anode or cathode active material, so that the two layers of the respective (cathode or anode) active material arranged on the two sides have different thicknesses or the two sides have different (area) loadings (mg / cm 2 ). However, this asymmetric coating leads to a reduction in the energy density of the battery cell or the lithium-ion battery.

[0005] It is an object of the present invention to improve an electrode coil for a lithium-ion battery and thus the lithium-ion battery.

[0006] This object is achieved by the features of the independent patent claims. Further preferred embodiments of the invention are the subject of the dependent patent claims.

[0007] According to a first aspect of the present invention, a method for producing an electrode coil for a lithium-ion battery comprises: Providing a first current collector having a first main surface and a second main surface; Providing a second current collector having a first main surface and a second main surface; Providing a first separator and a second separator; Applying a first layer of an anode active material to the first main surface of the first current collector and a second layer of the anode active material to the second main surface of the first current collector; Applying a third layer of a cathode active material to the first main surface of the second current collector and a fourth layer of the cathode active material to the second main surface of the second current collector; Forming an assembly by disposing the first separator between the second layer and the third layer and disposing the second separator on the first layer; Winding the arrangement into an electrode coil such that the second main surface of the second current collector faces a center, in some embodiments a radial center of the electrode coil, ie a center of the electrode coil as seen in a radial direction of the electrode coil; Prelithiating the first layer such that an n / p ratio of respective, mutually associated sections of the prelithiated first layer and the fourth layer is less than or equal to 1.1, in some embodiments in a range from 1.0 to 1.1, in some embodiments 1.0 < n / p ratio < 1.1, and / or prelithiating the third layer such that an n / p ratio of respective, mutually associated sections of the second layer and the prelithiated third layer is less than or equal to 1.1, in some embodiments in a range from 1.0 to 1.1, in some embodiments 1.0 < n / p ratio < 1.1, or applying the third layer from a cathode active material with a lithium content such that an n / p ratio of respective, mutually associated sections of the second layer and the third layer is less than or equal to 1.1, in some embodiments in a range from 1.0 to 1.1, in some versions 1.0 < n / p ratio < 1.1; where, a first layer thickness, in some embodiments first average layer thickness, of the portion of the prelithiated first layer and a second layer thickness, in some embodiments second average layer thickness, of the portion of the second layer satisfy the following formula: |first layer thickness-second layer thickness|first layer thickness <x, and / or a fourth layer thickness, in some embodiments fourth average layer thickness, of the portion of the fourth layer and a third layer thickness, in some embodiments third average layer thickness, of the portion of the prelithiated third layer or the third layer (made of the cathode active material with such a lithium content that the n / p ratio of respective, mutually associated portions of the second layer and the third layer is less than or equal to 1.1) satisfy the following formula: |third layer thickness−fourth layer thickness|third layer thickness <x, where 0 < x < 0.01, in some embodiments 0 < x < 0.001, preferably 0 < x ≤ 0.0005, particularly preferably 0 < x ≤ 0.0001.

[0008] In some embodiments, this can increase the performance and / or energy density and / or service life of a lithium-ion battery produced with the electrode winding according to the invention.

[0009] Examples of how the first layer or the anode active material and / or the third layer or the cathode active material can be prelithiated and / or for a cathode active material with such a lithium content that an n / p ratio of respective, mutually associated sections of the second layer and the third layer can be set to less than or equal to 1.1 can be found in the article "Pre-Lithiation Strategies for Next-Generation Practical Lithium-ion Batteries" by Liming Jin et al., published by Wiley-VCH GmbH in Advanced Science, Volume 8, Issue 12, June 2021.

[0010] The first current conductor may, for example, comprise copper or be formed from copper. The second current conductor may, for example, comprise aluminum or be formed from aluminum.

[0011] "Prelithiation" of the first layer refers to lithiation of the first layer, in some embodiments of the anode active material thereof, before or during formation of the lithium-ion battery, i.e., in particular, before the lithium-ion battery is cycled. Lithium introduced into the anode active material by prelithiation is therefore generally not, or at least not completely, reversible during battery cycling.

[0012] Prelithiation of the third layer refers to lithiation of the third layer, in some embodiments of the cathode active material thereof, before or during the formation of the lithium-ion battery, i.e., in particular, before the lithium-ion battery is cycled. Lithium introduced into the cathode active material by prelithiation is therefore generally not, or at least not completely, reversible during battery cycling.

[0013] Prelithiation can be carried out, for example, by treating the anode or cathode active material with one or more prelithiation agents, which comprise, for example, lithium compounds, for example in the form of organic or inorganic compounds. Examples of inorganic lithium compounds are lithium hydroxide, lithium oxides, lithium peroxide, lithium nitrides, lithium azides, lithium sulfides, lithium halides, or lithium carbonate. Examples of organic lithium compounds are lithium salts of carboxylic acids, in particular lithium acetate, lithium benzoate, lithium citrate, lithium tartrate, lithium amides, such as lithium dimethylamide, lithium alkoxides, in particular lithium methoxide, lithium acetylacetonate, lithium acetylides, alkyl- or aryl-lithium, such as butyllithium or biphenyllithium, or lithium silyl compounds, such as lithium bis(trimethylsilyl).

[0014] "Cycling" refers to a full cycle of charging and discharging a lithium-ion battery. Within a full cycle, the battery generally reaches its maximum charge during charging and its maximum discharge during discharging. In a charge / discharge cycle, the battery's maximum storage capacity for electrical energy is used once. The maximum charge and discharge of the battery can be set, for example, via its upper or lower cutoff voltage. During cycling, the battery is used as a storage medium for electrical energy.

[0015] "Forming" refers to measures by which a lithium-ion battery is converted into its ready-to-use form as an electrical energy storage medium. Forming can include, for example, one or more charge and discharge cycles of the battery, which results in a chemical modification of battery components, in particular prelithiation of the anode active material or the formation of an initial solid electrolyte interface (SEI) on the anode active material, or also include aging storage at an optionally elevated temperature, whereby the battery is converted into its ready-to-use state as an electrical energy storage medium. A formed lithium-ion battery thus generally differs structurally from an unformed one. Forming takes place prior in time to cycling. Forming does not include cycling.

[0016] Preferred embodiments of the invention and further developments thereof are described below, which, unless expressly excluded, can be combined with one another as well as with the second aspect of the invention described below and the third aspect of the invention described below.

[0017] In some embodiments, the prelithiation of the first layer is carried out using stabilized lithium powder. Examples of stabilized lithium powder (SLMP®; FMC Lithium Energy) are lithium metal particles coated with a lithium salt, in particular lithium oxide, carbonate, hydroxide, or phosphate. Such SLMPs can be produced in a conventional manner, for example by compacting the electrode, for example by conventional calendering, leading to the prelithiation of silicon in the anode or the anode active material. Compaction typically breaks up the passivation layer of the SLMP, allowing the lithium particles to prelithiate the anode or the anode active material during battery formation.

[0018] In some embodiments, prelithiating the third layer comprises adding a lithium-containing additive material to the cathode active material. The lithium-containing additive material may, for example, be Li 6 CoO 4 , Li 3 N, Li 2 O or the like. In some embodiments, the anode active material comprises graphite and / or silicon.

[0019] In some embodiments, the cathode active material comprises lithium cobalt oxide, lithium nickel oxide, lithium nickel cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel manganese oxide, lithium iron phosphate, lithium cobalt phosphate, lithium manganese phosphate, lithium vanadium phosphate, or lithium vanadium oxide.

[0020] In some embodiments, the respective mutually associated sections of the prelithiated first layer and the fourth layer contain a section of the prelithiated first layer and a section of the fourth layer, between which a section of the second separator is arranged, and the respective mutually associated sections of the second layer and the prelithiated third layer contain a section of the second layer and a section of the prelithiated third layer, between which a section of the first separator is arranged, or the respective mutually associated sections of the second layer and the third layer (made of the cathode active material with the lithium content such that the n / p ratio of respective mutually associated sections of the second layer and the third layer is less than or equal to 1,1) a portion of the second layer and a portion of the third layer (made of the cathode active material having a lithium content such that the n / p ratio of respective, mutually associated portions of the second layer and the third layer is less than or equal to 1.1), between which a portion of the first separator is arranged.

[0021] According to a second aspect of the present invention, a method for manufacturing a lithium-ion battery comprises: Providing an electrode coil produced according to a method for producing an electrode coil for a lithium-ion battery as described above; Providing a housing; Inserting the electrode coil into the housing; Connecting the first current collector to a first terminal of the lithium-ion battery; Connecting the second current conductor to a second terminal of the lithium-ion battery; and Introducing an electrolyte into the housing.

[0022] The method can further comprise forming and cycling the lithium-ion battery in order to convert the lithium-ion battery into its ready-to-use state as a storage medium for electrical current. In addition, the prelithiation of the first layer and / or the prelithiation of the third layer and / or the application of the third layer made of a cathode active material with a lithium content such that the n / p ratio of respective, mutually associated sections of the second layer and the third layer is less than or equal to 1.1 can be carried out in such a way, depending on other capacities of the finished anode and the finished cathode (i.e. after forming and cycling the lithium-ion battery), that an n / p ratio of the finished lithium-ion battery is in the range from 1.0 to 1.1, in some embodiments 1.0 < n / p ratio < 1.1.

[0023] According to a third aspect of the present invention, a lithium-ion battery is manufactured according to a method for manufacturing a lithium-ion battery described above.

[0024] According to a fourth aspect of the present invention, a vehicle comprises a drive motor and a lithium-ion battery as described above, wherein the lithium-ion battery is configured to supply energy to the drive motor.

[0025] The features and advantages described with respect to the first aspect of the invention and its advantageous embodiment also apply, at least where technically reasonable, to the second aspect of the invention, the third aspect of the invention and the fourth aspect of the invention and their advantageous embodiments and vice versa.

[0026] Further advantageous developments will become apparent from the following description of preferred embodiments. The following shows, partially schematically: Fig. 1 is a flowchart illustrating a method for producing an electrode coil for a lithium-ion battery according to an embodiment, Fig. 2 is a flowchart illustrating a method for producing a lithium-ion battery according to an embodiment, Fig. 3 shows an arrangement used for producing an electrode coil according to the invention according to one embodiment, Fig. 4 an electrode coil according to an embodiment, Fig. 5 an excerpt from the Fig. 4 shown electrode coil, and Fig. 6 a vehicle according to an embodiment.

[0027] Fig. 1 shows a flowchart illustrating a method for producing an electrode coil 20 for a lithium-ion battery 50 according to one embodiment. Fig. 2 shows a flowchart illustrating a method for manufacturing a lithium-ion battery 50 according to an embodiment. Fig. 3 shows an arrangement 10 used for producing an electrode coil 20 according to the invention according to one embodiment. Fig. 4 shows an electrode coil 20 according to one embodiment. Fig. 5 shows a section AA from the Fig. 4 shown electrode coil 20, and Fig. 6 shows a vehicle 100 according to one embodiment.

[0028] With reference to Fig. 1, in a step S10 of the method for producing an electrode coil 20 for a lithium-ion battery 50, a first current collector SA1 having a first main surface H1 and a second main surface H2 is provided.

[0029] In a step S20 of the method for producing an electrode coil 20 for a lithium-ion battery 50, a second current collector SA2 having a first main surface H3 and a second main surface H4 is provided.

[0030] In a step S30 of the method for producing an electrode coil 20 for a lithium-ion battery 50, a first separator SP1 and a second separator SP2 are provided.

[0031] In a step S40 of the method for producing an electrode coil 20 for a lithium-ion battery 50, a first layer S1 of an anode active material is applied to the first main surface H1 of the first current collector SA1 and a second layer S2 of the anode active material is applied to the second main surface H2 of the first current collector SA1.

[0032] In a step S50 of the method for producing an electrode coil 20 for a lithium-ion battery 50, a third layer S3 of a cathode active material is applied to the first main surface H3 of the second current collector SA2 and a fourth layer S4 of the cathode active material is applied to the second main surface H4 of the second current collector SA2.

[0033] In a step S60 of the method for producing an electrode coil 20 for a lithium-ion battery 50, a (in Fig. 3) by arranging the first separator SP1 between the second layer S2 and the third layer S3 and arranging the second separator SP2 on (one of the sides or main surfaces facing away from the first current collector Sa1) of the first layer S1.

[0034] In a step S70 of the method for producing an electrode coil 20 for a lithium-ion battery 50, the arrangement 10 is wound up to a (in Fig. 4) such that the second main surface H4 of the second current collector SA2 faces a center 21, in particular a radial center of the electrode winding 20, ie a center of the electrode winding 20 as seen in a radial direction of the electrode winding 20.

[0035] With reference to Fig. 5, in a step S80 of the method for producing an electrode coil 20 for a lithium-ion battery 50, the first layer S1 is prelithiated such that an n / p ratio of respective, mutually associated sections A1, A4 of the prelithiated first layer S1 and the fourth layer S4 is less than or equal to 1.1, in some embodiments lies in a range from 1.0 to 1.1, in some embodiments 1.0 < n / p ratio < 1.1 applies, and / or the third layer S3 is prelithiated such that an n / p ratio of respective, mutually associated sections A2, A3 of the second layer S2 and the prelithiated third layer S3 is less than or equal to 1.1, in some embodiments lies in a range from 1.0 to 1.1, in some embodiments 1.0 < n / p ratio < 1.1 applies, or the third layer is applied S3 of a cathode active material with a lithium content such that an n / p ratio of respective,mutually associated sections A2, A3 of the second layer S2 and the third layer S3 is less than or equal to 1.1, in some embodiments lies in a range from 1.0 to 1.1, in some embodiments 1.0 < n / p ratio < 1.1.

[0036] Here, a first layer thickness d1, in some embodiments first average layer thickness, of the section A1 of the prelithiated first layer S1 and a second layer thickness d2, in some embodiments second average layer thickness, of the section A2 of the second layer satisfy the following formula: |(first layer thickness(d1)−second layer thickness(d2))|first layer thickness(d1) <x, where 0 < x < 0.01, in particular 0 < x < 0.001, preferably 0 < x ≤ 0.0005, particularly preferably 0 < x ≤ 0.0001.

[0037] Additionally or alternatively, a fourth layer thickness d4, in some embodiments fourth average layer thickness, of the section A4 of the fourth layer S4 and a third layer thickness d3, in some embodiments third average layer thickness, of the section A3 of the prelithiated third layer S3 or the third layer S3 (made of the cathode active material with such a lithium content that the n / p ratio of respective mutually associated sections of the second layer and the third layer is less than or equal to 1.1) satisfy the following formula: |(third layer thickness(d3)−fourth layer thickness(d4))|third layer thickness(d3) <x, where 0 < x < 0.01, in particular 0 < x < 0.001, preferably 0 < x ≤ 0.0005, particularly preferably 0 < x ≤ 0.0001.

[0038] In some embodiments, the prelithiation of the first layer S1 is carried out using phlegmatized lithium powder.

[0039] The prelithiation of the third layer S3 may comprise adding a lithium-containing additive material to the cathode active material.

[0040] In some embodiments, the anode active material comprises graphite and / or silicon.

[0041] In some embodiments, the cathode active material comprises lithium cobalt oxide, lithium nickel oxide, lithium nickel cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel manganese oxide, lithium iron phosphate, lithium cobalt phosphate, lithium manganese phosphate, lithium vanadium phosphate, or lithium vanadium oxide.

[0042] In some embodiments, the respective mutually associated sections A1, A4 of the prelithiated first layer S1 and the fourth layer S4 contain a section A1 of the prelithiated first layer S1 and a section A4 of the fourth layer S4, between which a section ASP2 of the second separator SP2 is arranged, and the respective mutually associated sections A2, A3 of the second layer S2 and the prelithiated third layer S3 contain a section A2 of the second layer S2 and a section A3 of the prelithiated third layer S3, between which a section ASP1 of the first separator SP1 is arranged, and / or the respective mutually associated sections A2, A3 of the second layer S2 and the third layer S3 contain a section A2 of the second layer S2 and a section A3 of the third layer S3, between which a section ASP1 of the first separator SP1 is arranged.

[0043] With reference to Fig. 2, in a step S100 of the method for producing a lithium-ion battery 50, an electrode coil 20 produced according to a method described above for producing an electrode coil 20 for a lithium-ion battery 50 is provided.

[0044] In a step S110 of the method for producing a lithium-ion battery 50, a housing 53 is provided.

[0045] In a step S120 of the method for producing a lithium-ion battery 50, the electrode coil 20 is inserted into the housing 53.

[0046] In a step S130 of the method for producing a lithium-ion battery 50, the first current collector SA1 is connected to a first pole 52 of the lithium-ion battery 50.

[0047] In a step S140 of the method for producing a lithium-ion battery 50, the second current collector SA2 is connected to a second pole 51 of the lithium-ion battery 50.

[0048] In a step S150 of the method for producing a lithium-ion battery 50, an electrolyte 54 is introduced into the housing 53.

[0049] Fig. 6 shows a vehicle 100 according to an embodiment, which comprises a drive motor 101 and a drive system 102 using the system described with reference to Fig. 5, wherein the lithium-ion battery 50 is configured to supply the drive motor 101 with energy. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited non-patent literature

[0000] Pre-Lithiation Strategies for Next-Generation Practical Lithium-ion Batteries” by Liming Jin et al., published by Wiley-VCH GmbH in Advanced Science, Volume 8, Issue 12, June 2021

[0009]

Claims

[1] Method for producing an electrode coil (20) for a lithium-ion battery (50), comprising: Providing a first current collector (SA1) having a first main surface (H1) and a second main surface (H2); Providing a second current collector (SA2) having a first main surface (H3) and a second main surface (H4); Providing a first separator (SP1) and a second separator (SP2); Applying a first layer (S1) of an anode active material to the first main surface (H1) of the first current collector (SA1) and a second layer (S2) of the anode active material to the second main surface (H2) of the first current collector (SA1); Applying a third layer (S3) of a cathode active material to the first main surface (H3) of the second current collector (SA2) and a fourth layer (S4) of the cathode active material to the second main surface (H4) of the second current collector (SA2); Forming an assembly (10) by arranging the first separator (SP1) between the second layer (S2) and the third layer (S3) and arranging the second separator (SP2) on the first layer (S1); Winding the arrangement (10) into an electrode winding (20) such that the second main surface (H4) of the second current collector (SA2) faces a center (21), in particular a radial center, of the electrode winding (20); Prelithiating the first layer (S1) such that an n / p ratio of respective, mutually associated sections (A1, A4) of the prelithiated first layer (S1) and the fourth layer (S4) is less than or equal to 1.1, and / or prelithiating the third layer (S3) such that an n / p ratio of respective, mutually associated sections (A2, A3) of the second layer (S2) and the prelithiated third layer (S3) is less than or equal to 1.1, or applying the third layer (S3) from a cathode active material with a lithium content such that an n / p ratio of respective, mutually associated sections (A2, A3) of the second layer (S2) and the third layer (S3) is less than or equal to 1.1, wherein a first layer thickness (d1), in particular first average layer thickness, of the section (A1) of the prelithiated first layer (S1) and a second layer thickness (d2), in particular second average layer thickness, of the section (A2) of the second layer satisfy the following formula: |(first layer thickness(d1)−second layer thickness(d2))|first layer thickness(d1) <x, and / or a fourth layer thickness (d4), in particular fourth average layer thickness, of the section (A4) of the fourth layer (S4) and a third layer thickness (d3), in particular third average layer thickness, of the section (A3) of the prelithiated third layer (S3) or the third layer (S3) satisfy the following formula: |(third layer thickness(d3)−fourth layer thickness(d4))|third layer thickness(d3) <x, where 0 < x < 0.01, in particular 0 < x < 0.

001. [2] Method according to claim 1, wherein the prelithiation of the first layer (S1) is carried out using phlegmatized lithium powder. [3] Method according to one of the preceding claims, wherein the prelithiation of the third layer (S3) comprises adding a lithium-containing additive material to the cathode active material. [4] Method according to one of the preceding claims, wherein the anode active material comprises graphite and / or silicon. [5] Method according to one of the preceding claims, wherein the cathode active material comprises lithium cobalt oxide, lithium nickel oxide, lithium nickel cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel manganese oxide, lithium iron phosphate, lithium cobalt phosphate, lithium manganese phosphate, lithium vanadium phosphate, or lithium vanadium oxides. [6] Method according to one of the preceding claims, wherein the respective mutually associated sections (A1, A4) of the prelithiated first layer (S1) and the fourth layer (S4) contain a section (A1) of the prelithiated first layer (S1) and a section (A4) of the fourth layer (S4), between which a section (ASP2) of the second separator (SP2) is arranged, and the respective mutually associated sections (A2, A3) of the second layer (S2) and the prelithiated third layer (S3) contain a section (A2) of the second layer (S2) and a section (A3) of the prelithiated third layer (S3), between which a section (ASP1) of the first separator (SP1) is arranged, and / or the respective mutually associated sections (A2, A3) of the second layer (S2) and the third layer (S3) contain a section (A2) of the second layer (S2) and a section (A3) of the third layer (S3),between which a section (ASP1) of the first separator (SP1) is arranged., [7] A method for producing a lithium-ion battery (50), comprising: Providing an electrode coil (20) produced according to a method for producing an electrode coil (20) for a lithium-ion battery (50) according to one of the preceding claims; Providing a housing (53); Inserting the electrode coil (20) into the housing (53); Connecting the first current collector (SA1) to a first pole (52) of the lithium-ion battery (50); Connecting the second current collector (SA2) to a second pole (51) of the lithium-ion battery (50); and Introducing an electrolyte (54) into the housing (53). [8] A lithium-ion battery (50) manufactured by a method for manufacturing a lithium-ion battery (50) according to the preceding claim. [9] Vehicle (100) comprising a drive motor (101) and a lithium-ion battery (50) according to the preceding claim, wherein the lithium-ion battery (50) is configured to supply the drive motor (101) with energy.

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