Energy storage container

By designing a two-layer sealing structure in the energy storage container, the problem of insufficient sealing performance of the existing energy storage system is solved, and higher sealing performance and protection performance are achieved, ensuring the stable and safe operation of the energy storage system in harsh environments.

WO2025107501A1PCT designated stage expired Publication Date: 2025-05-30SUNGROW POWER SUPPLY CO LTD
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Patent Information

Application Number
PCT/CN2024/089260
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-11-24
Filing Date
2024-04-23
Publication Date
2025-05-30

AI Technical Summary

Technical Problem

Due to insufficient sealing performance of the containers of existing energy storage systems, dust and water vapor are prone to entering when operating in harsh environments, affecting the stability and safety of the energy storage system.

Method used

An energy storage container is designed, adopting a two-layer sealing structure, including a first seal connected between the outer panel and the box frame, a second sealing clip is arranged between the inner panel and the mounting surface, and a second sealing member extends along the edge of the door leaf through the mounting member to enhance the sealing effect.

Benefits of technology

Through the two-layer sealing structure, the sealing and protection performance of the energy storage container is significantly improved, effectively preventing water vapor and fine dust from entering, thereby ensuring the stable and safe operation of the energy storage system in a harsh environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

An energy storage container. The energy storage container comprises: a box frame configured in a frame structure; a plurality of partition plates connected to the box frame, the plurality of partition plates separating the interior of the energy storage container from the exterior of the energy storage container, wherein at least one of the plurality of partition plates is a door leaf rotatably connected to the box frame, the door leaf is provided with an outer panel and an inner panel which are oppositely arranged, and when the door leaf is in a closed state, the outer panel is located on the side of the inner panel facing said exterior; a first sealing piece provided along the edge of the door leaf, the first sealing piece being connected between the outer panel and the box frame; a mounting piece connected to the box frame and configured to extend along at least part of the edge of the door leaf, the mounting piece being provided with a mounting surface parallel to the inner panel of the corresponding door leaf; and a second sealing piece provided on the mounting surface, wherein when the door leaf is in the closed state, the second sealing piece is sandwiched between the inner panel and the mounting surface. According to the energy storage container, the sealing performance of the energy storage container can be improved.
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Description

Energy storage container

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on November 24, 2023, with application number 2023232079011 and invention name “Energy Storage Container”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of energy storage equipment, and in particular to an energy storage container. Background Art

[0003] Due to their application characteristics, large-scale energy storage systems are generally installed in remote areas. The operating environment is more severe than that of other equipment. Therefore, higher protection capabilities are required for the energy storage system itself.

[0004] The current energy storage system container is a modified container design. The container frame uses the same structure as the container, and the door panels are sealed with standard container-grade rubber strips. During transportation and lifting, the container deforms slightly, which compromises the sealing effectiveness of the rubber strips. Furthermore, as the energy storage system operates over time, the rubber strips age, degrading the overall sealing performance of the container. This can lead to dust and moisture entering the container, posing a safety hazard to the energy storage system.

[0005] Summary of the Invention

[0006] The present application provides an energy storage container with enhanced sealing performance.

[0007] 18. The container of claim 17, wherein the plurality of partitions are connected to the container frame, the plurality of partitions separating the inside of the container from the outside of the container, wherein at least one of the plurality of partitions is a door leaf rotatably connected to the container frame, the door leaf having an outer panel and an inner panel opposite to each other, and when the door leaf is in a closed state, the outer panel is located on the side of the inner panel facing outside the container; a first sealing member is arranged along an edge of the door leaf, the first sealing member being connected between the outer panel and the container frame; a mounting member being connected to the container frame and extending along at least part of the edge of the door leaf, the mounting member having a mounting surface parallel to the inner panel corresponding to the door leaf; a second sealing member being arranged on the mounting surface, and when the door leaf is in a closed state, the second sealing member being clamped between the inner panel and the mounting surface.

[0008] According to the aforementioned embodiment of the present application, the cross section of the second sealing member is a folded structure.

[0009] According to any of the aforementioned embodiments of the present application, the cross section of the second sealing member is V-shaped.

[0010] According to any of the aforementioned embodiments of the present application, the energy storage container has two opposite end faces along a first transverse direction and two opposite side faces along a second transverse direction, the second transverse direction intersects with the first transverse direction, the box frame includes end face columns extending longitudinally along the end face, at least one door leaf is located on the end face, the mounting member includes a first boss protruding from the end face column, and the second sealing member is provided on the side of the first boss facing the door leaf located on the end face.

[0011] According to any of the aforementioned embodiments of the present application, the end face column is arranged adjacent to the side face, and the energy storage container further includes: a fixing member, which is fixedly connected to the end face column and has a fixing portion extending toward the side face in a direction parallel to the side face; a third sealing member, which is arranged on the fixing portion, and the third sealing member is clamped between the partition and the fixing portion.

[0012] According to any of the aforementioned embodiments of the present application, the energy storage container has two opposite end faces along a first transverse direction and two opposite side faces along a second transverse direction, the second transverse direction intersects with the first transverse direction, the box frame includes side columns extending longitudinally along the side faces, at least one door leaf is located on the side faces, the mounting member includes a first mounting frame, the first mounting frame includes a first connecting portion and a second connecting portion connected to each other, the first connecting portion is connected to a side of the side column facing the inside of the box, the second connecting portion extends along at least a portion of the edge of the door leaf, and the second sealing member is provided on the side of the second connecting portion facing the door leaf.

[0013] According to any of the aforementioned embodiments of the present application, the second connecting portions are arranged in pairs and symmetrically on both sides of the first connecting portion along the first transverse direction, and each second connecting portion is arranged as a stepped structure bent toward the inside of the box relative to the first connecting portion.

[0014] According to any of the aforementioned embodiments of the present application, the energy storage container has a top surface and a bottom surface along the longitudinal direction, two opposite end surfaces along the first transverse direction, and two opposite side surfaces along the second transverse direction, the second transverse direction intersects with the first transverse direction, the box frame includes an upper beam extending along the first transverse direction on the side surface and adjacent to the top surface, at least one door leaf is located on the side surface, the mounting member includes a second mounting frame, the second mounting frame includes a third connecting portion and a fourth connecting portion connected to each other, the third connecting portion is connected to the upper beam, the fourth connecting portion extends along at least a portion of the edge of the door leaf, and the fourth connecting portion is provided with the second sealing member on the side facing the door leaf.

[0015] According to any of the aforementioned embodiments of the present application, the energy storage container has a top surface and a bottom surface along the longitudinal direction, two opposite end surfaces along the first transverse direction, and two opposite side surfaces along the second transverse direction, the second transverse direction intersects with the first transverse direction, the box frame includes a lower beam extending along the first transverse direction on the side surface and adjacent to the bottom surface, at least one door leaf is located on the side surface, the mounting member includes a second boss protruding from the lower beam, and the second sealing member is provided on the side of the second boss facing the door leaf.

[0016] According to any of the aforementioned embodiments of the present application, there is a gap between the edge of the door leaf and the box frame, and the first sealing member includes a first sealing portion and a second sealing portion connected to each other, the first sealing portion covers the gap at the outer panel, and the second sealing portion extends into the gap.

[0017] An energy storage container according to an embodiment of the present application includes a first seal, a mounting member, and a second seal. The mounting member extends along at least a portion of the edge of a door leaf and is used to mount the second seal. The mounting member has a mounting surface parallel to the inner panel of the corresponding door leaf. When the door leaf is closed, the second seal is sandwiched between the inner panel and the mounting surface, i.e., the inner panel of the door leaf presses against the second seal.

[0018] The first seal is connected between the outer panel and the box frame, and the second seal is sandwiched between the inner panel and the mounting surface. By setting up a two-layer sealing structure, the sealing and protection performance of the energy storage container are greatly improved. The two-layer sealing structure can prevent moisture and fine dust from entering the box through the gaps, allowing the energy storage system to operate stably and safely in harsh usage scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0020] FIG1 is a perspective schematic diagram of an energy storage container according to an embodiment of the present application;

[0021] FIG2 is an enlarged schematic diagram of a transverse cross-section at an end column of an embodiment of an energy storage container of the present application;

[0022] FIG3 is an enlarged schematic diagram of a transverse cross-section at a side column in one embodiment of an energy storage container of the present application;

[0023] FIG4 is an enlarged schematic diagram of a longitudinal cross-section at an upper beam in an embodiment of an energy storage container of the present application;

[0024] FIG5 is an enlarged schematic diagram of a longitudinal cross section at a lower beam in an embodiment of an energy storage container of the present application.

[0025] Description of reference numerals:

[0026] 1000-energy storage container; S1-end surface; S2-side surface; S3-top surface; S4-bottom surface;

[0027] 100-box frame; 110-end column; 120-side column; 130-upper beam; 140-lower beam;

[0028] PT-partition; 200-door leaf; 210-outer panel; 220-inner panel;

[0029] 300-first sealing member; 310-first sealing portion; 320-second sealing portion;

[0030] 400-second sealing member;

[0031] MP-mounting member; 510-first boss; 520-first mounting bracket; 521-first connecting portion; 522-second connecting portion; 530-second mounting bracket; 531-third connecting portion; 532-fourth connecting portion; 540-second boss;

[0032] 600-fixing member; 610-fixing portion;

[0033] 700-third seal;

[0034] G1-gap;

[0035] B1-inside the box; B2-outside the box;

[0036] X-first transverse direction; Y-second transverse direction; Z-longitudinal direction.

[0037] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0039] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present application are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0040] In addition, the descriptions of "first", "second", etc. in this application are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0041] Figure 1 is a perspective diagram of an embodiment of an energy storage container of the present application. The interior of the energy storage container 1000 can accommodate an energy storage system. The energy storage container 1000 includes a box frame 100 and a plurality of partitions PT.

[0042] The box frame 100 is provided in a frame structure. A plurality of partitions PT are connected to the box frame 100 , and the plurality of partitions PT separate the interior B1 of the energy storage container 1000 from the exterior B2 of the container. At least one of the plurality of partitions PT is a door leaf 200 rotatably connected to the box frame 100 .

[0043] In some embodiments, the energy storage container 1000 has a top surface S3 and a bottom surface S4 along the longitudinal direction Z, two opposite end surfaces S1 along the first transverse direction X, and two opposite side surfaces S2 along the second transverse direction Y, which intersects the first transverse direction X.

[0044] In some embodiments, the box frame 100 includes end columns extending along the longitudinal direction Z at the end surface S1 . In some embodiments, the box frame 100 includes side columns extending along the longitudinal direction Z at the side surface S2 .

[0045] Figure 2 is an enlarged schematic diagram of a transverse cross-section at an end column in one embodiment of the energy storage container of the present application. The transverse cross-section in Figure 2 is a cross-section perpendicular to the longitudinal direction Z. The door leaf 200 is not shown in Figure 2. Figure 3 is an enlarged schematic diagram of a transverse cross-section at a side column in one embodiment of the energy storage container of the present application. The transverse cross-section in Figure 3 is a cross-section perpendicular to the longitudinal direction Z.

[0046] The door 200 has an outer panel 210 and an inner panel 220 that are disposed opposite each other. When the door 200 is closed, the outer panel 210 is located on the side of the inner panel 220 facing the box exterior B2. In an exemplary embodiment, the plurality of partitions PT are all door 200.

[0047] The energy storage container 1000 also includes a first seal 300, a mounting member MP, and a second seal 400. The first seal 300 is disposed along the edge of the door leaf 200 and is connected between the outer panel 210 and the container frame 100. In some embodiments, the first seal 300 is disposed along the entire edge of the door leaf 200. The mounting member MP is connected to the container frame 100 and extends along at least a portion of the edge of the door leaf 200. The mounting member MP has a mounting surface parallel to the inner panel 220 of the corresponding door leaf 200. The second seal 400 is disposed on the mounting surface and, when the door leaf 200 is closed, is sandwiched between the inner panel 220 and the mounting surface.

[0048] The energy storage container 1000 according to an embodiment of the present application includes a first seal 300, a mounting member MP, and a second seal 400. The mounting member MP extends along at least a portion of the edge of the door leaf 200 and is used to mount the second seal 400. The mounting member MP has a mounting surface parallel to the inner panel 220 of the corresponding door leaf 200. When the door leaf 200 is closed, the second seal 400 is sandwiched between the inner panel 220 and the mounting surface, that is, the inner panel 220 of the door leaf 200 presses against the second seal 400. The first seal 300 is connected between the outer panel 210 and the container frame 100, and the second seal 400 is sandwiched between the inner panel 220 and the mounting surface. This two-layer sealing structure significantly improves the sealing and protective performance of the energy storage container 1000. The two-layer sealing structure can prevent moisture and fine dust from entering the container B1 through gaps, allowing the energy storage system to operate stably and safely in harsh usage scenarios.

[0049] In some embodiments, a gap G1 is defined between the edge of the door leaf 200 and the container frame 100. The first seal 300 includes a first sealing portion 310 and a second sealing portion 320 connected to each other. The first sealing portion 310 covers the gap G1 at the outer panel 210, while the second sealing portion 320 extends into the gap G1. The first seal 300 is, for example, a special rubber strip specifically designed for the container door leaf 200.

[0050] In some embodiments, the second sealing member 400 is a rubber strip.

[0051] In some embodiments, the cross section of the second sealing member 400 is a folded structure.

[0052] In some embodiments, the cross section of the second sealing member 400 is V-shaped.

[0053] In some other embodiments, the second sealing member 400 may be a folded structure with a cross-section in other shapes, such as an M-shaped structure.

[0054] By setting the second seal 400 to have a folded cross-section, the second seal 400 itself has better elasticity. When the door leaf 200 is closed, the second seal 400 and the inner panel 220 of the door leaf 200 can fit more closely, thereby improving the sealing effect.

[0055] As mentioned above, the energy storage container 1000 has two opposite end surfaces S1 along the first transverse direction X, and two opposite side surfaces S2 along the second transverse direction Y, where the second transverse direction Y intersects the first transverse direction X.

[0056] As shown in Figure 2, in some embodiments, the box frame 100 includes an end column 110 extending along the longitudinal direction Z on the end surface S1, at least one door leaf 200 is located on the end surface S1, and the mounting member MP includes a first boss 510 protruding from the end column 110, and a second sealing member 400 is provided on the side of the first boss 510 facing the door leaf 200 located on the end surface S1.

[0057] In some embodiments, the first boss 510 may be a hollow structure. In some embodiments, the cross section of the first boss 510 may be a C-shaped structure.

[0058] As shown in Figure 2, in some embodiments, the end column 110 is disposed adjacent to the side surface S2, and the energy storage container 1000 further includes a fixing member 600 and a third sealing member 700. The fixing member 600 is fixedly connected to the end column 110 and has a fixing portion 610 extending toward the side surface S2 in a direction parallel to the side surface S2. The third sealing member 700 is disposed on the fixing portion 610 and is sandwiched between the partition plate PT and the fixing portion 610.

[0059] The third sealing member 700 is, for example, a rubber strip. In some embodiments, the cross section of the third sealing member 700 is a folded structure.

[0060] As mentioned above, the energy storage container 1000 has two opposite end surfaces S1 along the first transverse direction X, and two opposite side surfaces S2 along the second transverse direction Y, where the second transverse direction Y intersects the first transverse direction X.

[0061] As shown in Figure 3, in some embodiments, the box frame 100 includes a side column 120 extending along the longitudinal direction Z on the side S2. At least one door leaf 200 is located on the side S2. The mounting member MP includes a first mounting bracket 520. The first mounting bracket 520 includes a first connecting portion 521 and a second connecting portion 522 connected to each other. The first connecting portion 521 is connected to the side of the side column 120 facing the inside of the box B1. The second connecting portion 522 extends along at least a portion of the edge of the door leaf 200, and a second sealing member 400 is provided on the side of the second connecting portion 522 facing the door leaf 200.

[0062] In some embodiments, the second connection portions 522 are arranged in pairs and symmetrically on both sides of the first connection portion 521 along the first transverse direction X. Each second connection portion 522 is configured as a stepped structure bent relative to the first connection portion 521 in the box inner direction B1.

[0063] As previously described, the energy storage container 1000 has a top surface S3 and a bottom surface S4 along the longitudinal direction Z, two opposite end surfaces S1 along the first transverse direction X, and two opposite side surfaces S2 along the second transverse direction Y, where the second transverse direction Y intersects the first transverse direction X. In some embodiments, the box frame 100 includes an upper beam extending along the first transverse direction X on the side surface S2 and adjacent to the top surface S3.

[0064] FIG4 is an enlarged schematic diagram of a longitudinal cross section at an upper beam in an embodiment of an energy storage container of the present application. The longitudinal cross section in FIG4 is a cross section perpendicular to the first transverse direction X.

[0065] In some embodiments, the box frame 100 includes an upper beam 130 extending along the first transverse direction X on the side S2 and adjacent to the top surface S3, at least one door leaf 200 is located on the side S2, and the mounting member MP includes a second mounting frame 530, the second mounting frame 530 includes a third connecting portion 531 and a fourth connecting portion 532 connected to each other, the third connecting portion 531 is connected to the upper beam 130, the fourth connecting portion 532 extends along at least a portion of the edge of the door leaf 200, and a second sealing member 400 is provided on the side of the fourth connecting portion 532 facing the door leaf 200.

[0066] As previously described, the energy storage container 1000 has a top surface S3 and a bottom surface S4 along the longitudinal direction Z, two opposite end surfaces S1 along the first transverse direction X, and two opposite side surfaces S2 along the second transverse direction Y, where the second transverse direction Y intersects the first transverse direction X. In some embodiments, the box frame 100 includes a lower beam extending along the first transverse direction X on the side surface S2 and adjacent to the bottom surface S4.

[0067] FIG5 is an enlarged schematic diagram of a longitudinal cross section at a lower beam in an embodiment of an energy storage container of the present application. The longitudinal cross section in FIG5 is a cross section perpendicular to the first transverse direction X.

[0068] In some embodiments, the box frame 100 includes a lower beam 140 extending along the first transverse direction X on the side surface S2 and adjacent to the bottom surface S4. At least one door leaf 200 is located on the side surface S2. The mounting member MP includes a second boss 540 protruding from the lower beam 140. The second boss 540 is provided with a second sealing member 400 on the side facing the door leaf 200.

[0069] In some embodiments, the second boss 540 may be a hollow structural member. In some embodiments, the cross section of the second boss 540 may be a C-shaped structure.

[0070] The above description is only a preferred embodiment of the present application and does not limit the patent scope of the present application. All equivalent structural transformations made based on the contents of the present application specification and drawings, or direct / indirect application in other related technical fields, are included in the patent protection scope of the present application.

Claims

1. An energy storage container, the interior of which can accommodate an energy storage system, characterized in that: The energy storage container comprises: The box frame is arranged in a frame structure; A plurality of partitions are connected to the box frame, and the plurality of partitions separate the inside of the energy storage container from the outside of the box, wherein at least one of the plurality of partitions is a door leaf rotatably connected to the box frame, and the door leaf has an outer panel and an inner panel arranged opposite to each other, and when the door leaf is in a closed state, the outer panel is located on a side of the inner panel facing the outside of the box; A first sealing member, arranged along the edge of the door leaf, the first sealing member being connected between the outer panel and the box frame; A mounting member connected to the box frame and extending along at least a portion of the edge of the door leaf, wherein the mounting member has a mounting surface parallel to the inner panel corresponding to the door leaf; A second sealing member is arranged on the installation surface, and when the door leaf is in a closed state, the second sealing member is sandwiched between the inner panel and the installation surface.

2. The energy storage container according to claim 1, characterized in that: The cross section of the second sealing member is a folded structure.

3. The energy storage container according to claim 1, characterized in that: The cross section of the second sealing member is V-shaped.

4. The energy storage container according to claim 1, characterized in that: The energy storage container has two opposite end faces along a first transverse direction, and two opposite side faces along a second transverse direction, wherein the second transverse direction intersects the first transverse direction. The box frame includes an end face column extending longitudinally on the end face, at least one door leaf is located on the end face, and the mounting member includes a first boss protruding from the end face column, and the second seal is provided on the side of the first boss facing the door leaf located on the end face.

5. The energy storage container according to claim 4, characterized in that: The end face column is arranged adjacent to the side face, and the energy storage container further comprises: A fixing member, fixedly connected to the end face column and having a fixing portion extending toward the side face in a direction parallel to the side face; The third sealing member is disposed on the fixing portion, and the third sealing member is sandwiched between the partition plate and the fixing portion.

6. The energy storage container according to claim 1, characterized in that: The energy storage container has two opposite end faces along a first transverse direction, and two opposite side faces along a second transverse direction, wherein the second transverse direction intersects the first transverse direction. The box frame includes side columns extending longitudinally on the side, at least one door leaf is located on the side, the mounting member includes a first mounting frame, the first mounting frame includes a first connecting portion and a second connecting portion connected to each other, the first connecting portion is connected to the side of the side column facing the inside of the box, the second connecting portion extends along at least a portion of the edge of the door leaf, and the second sealing member is provided on the side of the second connecting portion facing the door leaf.

7. The energy storage container according to claim 6, characterized in that: The second connection parts are arranged in pairs and symmetrically on both sides of the first connection part along the first transverse direction, and each of the second connection parts is arranged as a stepped structure bent toward the inside of the box relative to the first connection part.

8. The energy storage container according to claim 1, characterized in that: The energy storage container has a top surface and a bottom surface in the longitudinal direction, two opposite end surfaces in the first transverse direction, and two opposite side surfaces in the second transverse direction, wherein the second transverse direction intersects with the first transverse direction. The box frame includes an upper beam extending along the first transverse direction on the side and adjacent to the top surface, at least one door leaf is located on the side, and the mounting member includes a second mounting frame, the second mounting frame includes a third connecting portion and a fourth connecting portion connected to each other, the third connecting portion is connected to the upper beam, the fourth connecting portion extends along at least a portion of the edge of the door leaf, and the second sealing member is provided on the side of the fourth connecting portion facing the door leaf.

9. The energy storage container according to claim 1, characterized in that: The energy storage container has a top surface and a bottom surface in the longitudinal direction, two opposite end surfaces in the first transverse direction, and two opposite side surfaces in the second transverse direction, wherein the second transverse direction intersects with the first transverse direction. The box frame includes a lower beam extending along the first transverse direction on the side surface and adjacent to the bottom surface, and at least one door leaf is located on the side surface. The mounting member comprises a second boss protruding from the lower beam, and the second sealing member is provided on a side of the second boss facing the door leaf.

10. The energy storage container according to claim 1, characterized in that: There is a gap between the edge of the door leaf and the box frame, and the first sealing member includes a first sealing portion and a second sealing portion connected to each other, the first sealing portion covers the gap at the outer panel, and the second sealing portion extends into the gap.

Citation Information

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