Electrode switching assembly and lithium ion battery

Abstract

The utility model discloses an electrode switching assembly and discloses a lithium ion battery with the electrode switching assembly, one electrode switching assembly comprises an insulating plate and a copper clamp, the insulating plate is in a circular plate shape and is provided with two through holes, and the top surface of the insulating plate is provided with a first electrode terminal and a second electrode terminal; the number of the copper clamps is two, the two copper clamps are fixed in the two through holes respectively, the two copper clamps are communicated with the first electrode terminal and the second electrode terminal respectively, each copper clamp comprises a copper pipe part and at least two elastic piece parts connected with the bottom of the copper pipe part, the at least two elastic piece parts are arranged at equal intervals in the circumferential direction of the copper pipe part, and the copper pipe part is fixed in the through holes. And the at least two elastic sheet parts are matched to clamp and fix the positive electrode lead pin or the negative electrode lead pin. According to the electrode switching assembly, welding of the electrode switching assembly with the positive electrode pin and the negative electrode pin can be avoided, the operation of fixing the electrode switching assembly with the positive electrode pin and the negative electrode pin is simplified, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to an electrode switching assembly and a lithium ion battery. Background Art

[0002] Lithium-ion battery is a secondary battery (rechargeable battery). Cylindrical lithium-ion battery has the characteristics of small size, stable voltage, wide operating temperature range and long storage life. It is currently widely used in energy storage cells, digital products, home appliances, electronic cigarette batteries, electronic toys and other products.

[0003] In the related art, lithium-ion batteries are provided with an electrode adapter assembly so that the electrode adapter assembly can serve as a conductive medium between the positive and negative lead pins and the electrical products, thereby preventing the positive and negative lead pins from directly contacting and colliding with the electrical products.

[0004] Conventionally, the electrode adapter assembly is fixed to the positive electrode lead pin and the negative electrode lead pin by welding.

[0005] However, the welding and fixing operations of the existing electrode adapter assembly with the positive electrode lead pin and the negative electrode lead pin are cumbersome, time-consuming and labor-intensive. Utility Model Content

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes an electrode adapter assembly, which can avoid welding the electrode adapter assembly with the positive electrode lead pin and the negative electrode lead pin, simplifying the fixing operation of the electrode adapter assembly with the positive electrode lead pin and the negative electrode lead pin, saving time and labor.

[0007] The utility model also provides a lithium ion battery having the electrode transfer assembly.

[0008] According to an embodiment of the first aspect of the utility model, an electrode adapter assembly includes: an insulating plate in the shape of a circular plate, having two through holes symmetrically along the axis of the insulating plate, and a first electrode terminal and a second electrode terminal are arranged on the top surface, the first electrode terminal and the second electrode terminal are respectively used to abut and conduct electricity with the positive and negative electrodes of the electrical product; two copper clips are provided, the two copper clips are respectively fixed in the two through holes, the two copper clips are respectively connected to the first electrode terminal and the second electrode terminal, the two copper clips are respectively used to clamp, fix and conduct the positive lead pin and the negative lead pin of the lithium-ion battery, the copper clip includes a copper tube part, at least two spring parts connected to the bottom of the copper tube part, at least two of the spring parts are arranged equidistantly along the circumference of the copper tube part, the copper tube part is fixed in the through hole, and at least two of the spring parts cooperate to clamp and fix the positive lead pin or the negative lead pin.

[0009] An electrode adapter assembly according to an embodiment of the utility model has at least the following beneficial effects:

[0010] 1. The utility model provides an insulating plate in the shape of a circular plate, so that the shape of the insulating plate can correspond to the shape of the outer shell of the cylindrical lithium-ion battery. Therefore, on the one hand, it is convenient to install and align the insulating plate, and on the other hand, the cylindrical lithium-ion battery installed with the insulating plate is more beautiful.

[0011] 2. The utility model provides two through holes symmetrically arranged along the axis of the insulating plate on the insulating plate, so that the two through holes can be respectively aligned with the positive lead pin and the negative lead pin of the lithium-ion battery, thereby facilitating the installation and connection between the electrode adapter assembly and the positive lead pin and the negative lead pin.

[0012] 3. The utility model provides a first electrode terminal and a second electrode terminal on the top surface of the insulating plate, and the first electrode terminal and the second electrode terminal are respectively used to abut against the positive and negative electrodes of the electrical product for conduction, thereby eliminating the need for the positive and negative electrode lead pins of the lithium-ion battery to directly abut against the electrical product, making the positive and negative electrode lead pins less likely to be damaged.

[0013] 4. The utility model provides two copper clips, which are respectively fixed in two through holes, and are respectively connected to the first electrode terminal and the second electrode terminal. The two copper clips are respectively used to clamp, fix and connect the positive lead pin and the negative lead pin of the lithium-ion battery, thereby eliminating the need to weld the electrode adapter assembly to the positive lead pin and the negative lead pin, simplifying the fixing operation of the electrode adapter assembly to the positive lead pin and the negative lead pin, saving time and effort.

[0014] 5. The utility model makes the copper clip include a copper tube part and at least two spring parts connected to the bottom of the copper tube part, the at least two spring parts are arranged equidistantly along the circumference of the copper tube part, the copper tube part is fixed in the through hole, and the at least two spring parts cooperate to clamp and fix the positive lead needle or the negative lead needle. It can be understood that when the positive lead needle or the negative lead needle is inserted between the at least two spring parts, the positive lead needle or the negative lead needle squeezes the elastic part to deform outward, so that the elastic part generates an inward elastic force, so that the elastic force generated by the deformation of the at least two elastic parts can clamp and fix the positive lead needle or the negative lead needle, and then, the copper clip firmly clamps the positive lead needle or the negative lead needle and is not easy to fall off.

[0015] According to some embodiments of the present invention, the copper clip further includes a welding piece, the welding piece is connected to the top of the copper tube portion, and the welding piece is overlapped on the top surface of the insulating plate.

[0016] According to some embodiments of the present invention, the cross section of the elastic sheet portion is in an arc shape.

[0017] According to some embodiments of the present invention, the inner diameter of the elastic sheet portion is narrow in the middle and wide at the upper and lower ends.

[0018] According to some embodiments of the present invention, a avoidance groove is provided on the bottom surface of the insulating plate, the bottom of the elastic sheet portion is located in the avoidance groove, and the avoidance groove is used to avoid the bottom of the elastic sheet portion.

[0019] According to some embodiments of the utility model, the insulating plate includes a first plate body and a second plate body connected to the bottom surface of the first plate body, the through hole is arranged on the first plate body, the second plate body is ring-shaped, and the avoidance groove is formed on the inner side of the second plate body, and the avoidance groove accommodates the bottom of the spring part of the two copper clips.

[0020] According to some embodiments of the present invention, the first electrode terminal is arranged on a side of the through hole close to the center of the insulating plate, the second electrode terminal is arranged on a side of the through hole away from the center of the insulating plate, and the first electrode terminal and one of the copper clips, and the second electrode terminal and another of the copper clips are connected by copper cladding.

[0021] According to some embodiments of the present invention, the first electrode terminal is located at the center of the insulating plate, and the second electrode terminal is ring-shaped, and the second electrode terminal is circumferentially extended along the axis of the insulating plate.

[0022] According to some embodiments of the utility model, the top surface of the insulating plate is provided with insulating glue, the insulating glue is ring-shaped, and the insulating glue covers and shields the two through holes and the two copper clips.

[0023] A lithium-ion battery according to an embodiment of the second aspect of the utility model includes an electrode transfer assembly as described in the embodiment of the first aspect of the utility model.

[0024] A lithium-ion battery according to an embodiment of the utility model has at least the following beneficial effects:

[0025] 1. The utility model provides an insulating plate in the shape of a circular plate, so that the shape of the insulating plate can correspond to the shape of the outer shell of the cylindrical lithium-ion battery. Therefore, on the one hand, it is convenient to install and align the insulating plate, and on the other hand, the cylindrical lithium-ion battery installed with the insulating plate is more beautiful.

[0026] 2. The utility model provides two through holes symmetrically arranged along the axis of the insulating plate on the insulating plate, so that the two through holes can be respectively aligned with the positive lead pin and the negative lead pin of the lithium-ion battery, thereby facilitating the installation and connection between the electrode adapter assembly and the positive lead pin and the negative lead pin.

[0027] 3. The utility model provides a first electrode terminal and a second electrode terminal on the top surface of the insulating plate, and the first electrode terminal and the second electrode terminal are respectively used to abut against the positive and negative electrodes of the electrical product for conduction, thereby eliminating the need for the positive and negative electrode lead pins of the lithium-ion battery to directly abut against the electrical product, making the positive and negative electrode lead pins less likely to be damaged.

[0028] 4. The utility model provides two copper clips, which are respectively fixed in two through holes, and are respectively connected to the first electrode terminal and the second electrode terminal. The two copper clips are respectively used to clamp, fix and connect the positive lead pin and the negative lead pin of the lithium-ion battery, thereby eliminating the need to weld the electrode adapter assembly to the positive lead pin and the negative lead pin, simplifying the fixing operation of the electrode adapter assembly to the positive lead pin and the negative lead pin, saving time and effort.

[0029] 5. The utility model makes the copper clip include a copper tube part and at least two spring parts connected to the bottom of the copper tube part, the at least two spring parts are arranged equidistantly along the circumference of the copper tube part, the copper tube part is fixed in the through hole, and the at least two spring parts cooperate to clamp and fix the positive lead needle or the negative lead needle. It can be understood that when the positive lead needle or the negative lead needle is inserted between the at least two spring parts, the positive lead needle or the negative lead needle squeezes the elastic part to deform outward, so that the elastic part generates an inward elastic force, so that the elastic force generated by the deformation of the at least two elastic parts can clamp and fix the positive lead needle or the negative lead needle, and then, the copper clip firmly clamps the positive lead needle or the negative lead needle and is not easy to fall off.

[0030] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0032] Figure 1 This is a structural schematic diagram of an electrode adapter assembly according to an embodiment of the utility model;

[0033] Figure 2 for Figure 1 An exploded view of the parts of the embodiment 1 is shown;

[0034] Figure 3 for Figure 2 The structural schematic diagram of the copper clip shown;

[0035] Figure 4 for Figure 3 A cross-sectional view of the copper clip is shown;

[0036] Figure 5 for Figure 1 A cross-sectional view of embodiment 1 is shown;

[0037] Figure 6 for Figure 1 A cross-sectional view of Example 2 is shown;

[0038] Figure 7 It is a structural schematic diagram of another embodiment of an electrode adapter assembly of the utility model embodiment;

[0039] Figure 8 for Figure 7 A cross-sectional view is shown.

[0040] Figure numerals: 100 - insulating plate, 110 - through hole, 120 - first electrode terminal, 130 - second electrode terminal, 140 - copper clip, 150 - copper tube part, 160 - spring part, 170 - welding sheet, 180 - avoidance groove, 190 - first plate body, 200 - second plate body, 210 - insulating glue. DETAILED DESCRIPTION

[0041] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0042] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0043] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] An electrode adapter assembly and a lithium-ion battery according to an embodiment of the utility model are described below in conjunction with the accompanying drawings.

[0046] Reference Figure 1 and Figure 2 A lithium-ion battery according to an embodiment of the utility model includes an electrode adapter assembly, and the electrode adapter assembly includes an insulating plate 100 and a copper clip 140.

[0047] As for the insulating plate 100, the insulating plate 100 is in the shape of a circular plate, so that the outer shape of the insulating plate 100 can correspond to the shape of the outer shell of the cylindrical lithium-ion battery. Therefore, on the one hand, it is convenient to install and align the insulating plate 100, and on the other hand, the cylindrical lithium-ion battery installed with the insulating plate 100 is more beautiful.

[0048] Specifically, the insulating plate 100 has two through holes 110 symmetrical along the axis of the insulating plate 100, so that the two through holes 110 can be aligned with the positive lead pin and the negative lead pin of the lithium-ion battery respectively, thereby facilitating the installation and connection of the electrode adapter assembly with the positive lead pin and the negative lead pin.

[0049] Furthermore, a first electrode terminal 120 and a second electrode terminal 130 are provided on the top surface of the insulating plate 100, and the first electrode terminal 120 and the second electrode terminal 130 are respectively used to abut against the positive and negative electrodes of the electrical product for conduction, thereby eliminating the need for the positive and negative electrode lead pins of the lithium-ion battery to directly abut against the electrical product, making the positive and negative electrode lead pins less likely to be damaged.

[0050] Reference Figure 2 , Figure 3 and Figure 4 As for the copper clip 140, two copper clips 140 are provided, and the two copper clips 140 are respectively fixed in the two through holes 110, and the two copper clips 140 are respectively connected to the first electrode terminal 120 and the second electrode terminal 130, and the two copper clips 140 are respectively used to clamp, fix and conduct the positive lead pin and the negative lead pin of the lithium-ion battery, thereby eliminating the need to weld the electrode adapter assembly to the positive lead pin and the negative lead pin, simplifying the fixing operation of the electrode adapter assembly to the positive lead pin and the negative lead pin, saving time and effort.

[0051] Specifically, the copper clip 140 includes a copper tube portion 150 and at least two spring portions 160 connected to the bottom of the copper tube portion 150. The at least two spring portions 160 are arranged equidistantly along the circumference of the copper tube portion 150. The copper tube portion 150 is fixed in the through hole 110. The at least two spring portions 160 cooperate to clamp and fix the positive electrode lead pin or the negative electrode lead pin.

[0052] It can be understood that when the positive lead needle or the negative lead needle is inserted between at least two spring sheet parts 160, the positive lead needle or the negative lead needle squeezes the elastic part to deform outward, so that the elastic part generates an inward elastic force, so that the elastic force generated by the deformation of at least two elastic parts can clamp and fix the positive lead needle or the negative lead needle, thereby making the copper clip 140 firmly clamp the positive lead needle or the negative lead needle and not easy to fall off.

[0053] In some specific embodiments, the copper clip 140 also includes a welding piece 170, which is connected to the top of the copper tube portion 150 and overlapped on the top surface of the insulating plate 100. On the one hand, the welding piece 170 can cooperate with the top surface of the insulating plate 100 to limit the position, thereby preventing the copper clip 140 from falling off downward. On the other hand, by overlapping the welding piece 170 on the top surface of the insulating plate 100, the welding piece 170 can be welded on the top surface of the insulating plate 100, thereby making it easier and more convenient to weld and fix the copper clip 140 on the insulating plate 100.

[0054] In some specific embodiments, the cross-section of the spring piece portion 160 is arc-shaped, so that the inner side of the spring piece portion 160 can fit the positive electrode lead needle or the negative electrode lead needle along the circumference of the positive electrode lead needle or the negative electrode lead needle, thereby making the spring piece portion 160 clamp the positive electrode lead needle or the negative electrode lead needle more firmly.

[0055] In some specific embodiments, the inner diameter of the elastic piece portion 160 is narrow in the middle and wide at the upper and lower ends.

[0056] It can be understood that by setting the inner diameter of the spring part 160 to be narrow in the middle and wide at both ends, the inner diameter of the lower end of the spring part 160 is wide, so that the lower end of the spring part 160 can guide the positive lead needle or the negative lead needle to enter between the two spring part parts 160, making it easier for the positive lead needle or the negative lead needle to be inserted into the copper clip 140. The middle of the spring part 160 is narrow, so that the positive lead needle or the negative lead needle can squeeze and deform the spring part 160 outward when passing through the middle of the spring part 160. The upper end of the spring part 160 has a wide inner diameter, so that the upper end of the spring part 160 can be aligned with the bottom end of the connecting copper tube part 150.

[0057] Reference Figure 5In some specific embodiments, an avoidance groove 180 is provided on the bottom surface of the insulating plate 100, and the bottom of the spring piece portion 160 is located in the avoidance groove 180. The avoidance groove 180 is used to avoid the bottom of the spring piece portion 160. Therefore, on the one hand, the avoidance groove 180 can avoid the bottom of the spring piece portion 160, so that the bottom of the spring piece portion 160 has enough space to deform in the avoidance groove 180. On the other hand, the elastic part can be located inside the insulating plate 100 to prevent the elastic part from protruding from the bottom surface of the insulating plate 100 and affecting the installation of the insulating plate 100.

[0058] In some specific embodiments, the insulating plate 100 includes a first plate body 190, a second plate body 200 connected to the bottom surface of the first plate body 190, the through hole 110 is arranged on the first plate body 190, the second plate body 200 is annular, and an avoidance groove 180 is formed on the inner side of the second plate body 200, and the avoidance groove 180 accommodates the bottom of the spring portion 160 of the two copper clips 140, so that the insulating plate 100 is assembled by the first plate body 190 and the second plate body 200, and the avoidance groove 180 is formed on the inner side of the second plate body 200, eliminating the need to process the avoidance groove 180 on the insulating plate 100, thereby making the manufacturing of the insulating plate 100 easier.

[0059] In some specific embodiments, the first electrode terminal 120 is arranged on a side of the through hole 110 close to the center of the insulating plate 100, and the second electrode terminal 130 is arranged on a side of the through hole 110 away from the center of the insulating plate 100. The first electrode terminal 120 and a copper clip 140, and the second electrode terminal 130 and another copper clip 140 are connected by copper cladding, so that the positions of the first electrode terminal 120 and the second electrode terminal 130 on the insulating plate 100 are greatly different, and thus, it is convenient to distinguish the first electrode terminal 120 and the second electrode terminal 130.

[0060] Furthermore, the first electrode terminal 120 is located at the center of the insulating plate 100, and the second electrode terminal 130 is annular, and the second electrode terminal 130 is circumferentially extended along the axis of the insulating plate 100, so that when the lithium-ion battery is rotated at different angles along the axis of the insulating plate 100, the first electrode terminal 120 and the second electrode terminal 130 can correspond to the positive and negative electrodes of the electrical product, and thus, the installation of the lithium-ion battery on the electrical product does not need to be limited to the angle along the axis of the insulating plate 100, making the installation of the lithium-ion battery on the electrical product more convenient.

[0061] Reference Figure 6 In the second embodiment, the insulating plate 100 may also be provided integrally.

[0062] In other embodiments, two avoidance grooves 180 are provided on the bottom surface of the insulating plate 100, and one avoidance groove 180 accommodates the bottom of the spring portion 160 of a copper clip 140, thereby making the processing cutting amount of the avoidance groove 180 smaller, thereby facilitating the processing of the avoidance groove 180.

[0063] In some specific embodiments, the top surface of the insulating plate 100 is provided with insulating glue 210, which is ring-shaped and covers and shields the two through holes 110 and the two copper clips 140, so that the insulating glue 210 can cover the two through holes 110 and the two copper clips 140 to prevent the two through holes 110 and the two copper clips 140 from being exposed.

[0064] Reference Figure 7 and Figure 8 In Embodiment 3, the first electrode terminal 120 and the second electrode terminal 130 are coaxially disposed with the two through holes 110 , respectively.

[0065] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An electrode adapter assembly, characterized in that: include: The insulating plate (100) is in the shape of a circular plate and has two through holes (110) symmetrically arranged along the axis of the insulating plate (100). A first electrode terminal (120) and a second electrode terminal (130) are arranged on the top surface. The first electrode terminal (120) and the second electrode terminal (130) are respectively used to abut against the positive and negative electrodes of the electrical product for electrical conduction. Two copper clips (140) are provided. The two copper clips (140) are respectively fixed in the two through holes (110). The two copper clips (140) are respectively connected to the first electrode terminal (120) and the second electrode terminal (130). The two copper clips (140) are respectively used to clamp, fix and connect the positive electrode lead pin and the negative electrode lead pin of the lithium-ion battery. The copper clip (140) comprises a copper tube part (150) and at least two spring pieces (160) connected to the bottom of the copper tube part (150). The at least two spring pieces (160) are arranged equidistantly along the circumference of the copper tube part (150). The copper tube part (150) is fixed in the through hole (110). The at least two spring pieces (160) cooperate to clamp and fix the positive electrode lead pin or the negative electrode lead pin.

2. An electrode adapter assembly according to claim 1, characterized in that: The copper clip (140) further comprises a welding piece (170), wherein the welding piece (170) is connected to the top of the copper tube portion (150), and the welding piece (170) is overlapped on the top surface of the insulating plate (100).

3. An electrode adapter assembly according to claim 1, characterized in that: The cross section of the spring piece portion (160) is in the shape of an arc.

4. An electrode adapter assembly according to claim 3, characterized in that: The inner diameter of the elastic sheet portion (160) is narrow in the middle and wide at the upper and lower ends.

5. An electrode adapter assembly according to claim 4, characterized in that: The bottom surface of the insulating plate (100) is provided with an avoidance groove (180), the bottom of the elastic sheet part (160) is located in the avoidance groove (180), and the avoidance groove (180) is used to avoid the bottom of the elastic sheet part (160).

6. An electrode adapter assembly according to claim 5, characterized in that: The insulating plate (100) comprises a first plate body (190) and a second plate body (200) connected to the bottom surface of the first plate body (190); the through hole (110) is arranged on the first plate body (190); the second plate body (200) is annular; the avoidance groove (180) is formed on the inner side of the second plate body (200); the avoidance groove (180) accommodates the bottom of the spring sheet parts (160) of the two copper clips (140).

7. The electrode adapter assembly according to claim 1, characterized in that: The first electrode terminal (120) is arranged on a side of the through hole (110) close to the center of the insulating plate (100), and the second electrode terminal (130) is arranged on a side of the through hole (110) away from the center of the insulating plate (100). The first electrode terminal (120) and one of the copper clips (140) and the second electrode terminal (130) and another of the copper clips (140) are connected by copper cladding.

8. An electrode adapter assembly according to claim 7, characterized in that: The first electrode terminal (120) is located at the center of the insulating plate (100), and the second electrode terminal (130) is ring-shaped. The second electrode terminal (130) is circumferentially extended along the axis of the insulating plate (100).

9. The electrode adapter assembly according to claim 1, characterized in that: The top surface of the insulating plate (100) is provided with insulating glue (210), the insulating glue (210) is ring-shaped, and the insulating glue (210) covers and shields the two through holes (110) and the two copper clips (140).

10. A lithium ion battery, characterized in that: An electrode adapter assembly comprising any one of claims 1 to 9.

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