Aluminum boat for TOPCon battery

Abstract

The aluminum boat comprises a frame body, a supporting rod arranged at the bottom of the frame body and a top rod arranged at the top of the frame body corresponding to the supporting rod, a plurality of lower inserting grooves are distributed in the supporting rod in the length direction, a plurality of upper inserting grooves are formed in the two side faces of the top rod in the length direction respectively, and the upper inserting grooves and the corresponding lower inserting grooves are arranged in a staggered mode. When the battery pieces are inserted into the corresponding upper slots and lower slots, the battery pieces are in an inclined state, and the included angle a between the battery pieces and the vertical line L is 3-5 degrees. According to the utility model, the upper slots and the corresponding lower slots are arranged in a staggered manner, after the battery pieces are inserted into the corresponding upper slots and lower slots, the battery pieces are in an inclined state, and under the action of gravity, the battery pieces can be tightly attached together, so that back deposition of aluminum oxide is reduced to the greatest extent, and watermarks are avoided; and meanwhile, the battery piece is inclined by a certain angle, so that gas at the furnace mouth can flow to the furnace tail more smoothly, and skip plating caused by gas flow rotation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery piece production equipment technical field, concretely relates to a kind of for TOPCon battery's aluminum boat. BACKGROUND

[0002] Semiconductor or photovoltaic material is widely used in electronic, new energy and other industries, and semiconductor and photovoltaic material usually need to be processed in various ways before being applied to products, such as solar cell pieces. The sheet material is sent into the reaction furnace body, and the sheet material is coated under certain temperature and pressure process conditions.

[0003] The battery piece production process generally needs to go through ALD (Atomic Layer Deposition) coating process, which includes double-insertion process and single-insertion process. To save the cost of ALD equipment, double-insertion process is generally used. In the double-insertion process, two battery pieces are inserted into each slot of the aluminum boat.

[0004] In the prior art, the upper and lower clamping teeth of the aluminum boat are relatively parallel in position. During the ALD coating process of the battery pieces using the double-insertion process, due to the gravity and inertia of the battery pieces, the bottoms of the two battery pieces in the same insertion slot are easily stuck together to form a "V" shape. On the one hand, this will cause poor air flow at the part where the two battery pieces are stuck together, which will easily lead to uneven coating thickness on the opposite side surfaces of the two battery pieces, affecting the production quality of the battery pieces. On the other hand, under the action of the airflow in the cavity, there will be a bottom sticking phenomenon, which will form a more obvious "watermark" after the back coating. SUMMARY

[0005] To solve at least one problem of the prior art, the utility model provides an aluminum boat for TOPCon battery and a laser cleaning system for battery rework pieces.

[0006] To achieve the above utility model purposes, a technical solution adopted by the utility model is as follows: an aluminum boat for TOPCon battery, comprising a frame body, a supporting rod arranged at the bottom of the frame body, and a top rod arranged at the top of the frame body corresponding to the supporting rod, a plurality of lower insertion slots are distributed along the length direction of the supporting rod, a plurality of upper insertion slots are arranged on both sides of the top rod along the length direction, the upper insertion slots are arranged in a staggered manner with the corresponding lower insertion slots, when a battery piece is inserted into the corresponding upper insertion slot and lower insertion slot, the battery piece is in an inclined state, and the included angle a between the battery piece and the perpendicular line L is 3-5°.

[0007] Further, the upper insertion slot extends from the upper surface to the lower surface of the top rod, the two opposite surfaces of the upper insertion slot in contact with the battery piece are inclined surfaces, and the inclination angle of the inclined surface is 3-5°.

[0008] Further, the lower slot has at least one surface parallel to the slope of the upper slot.

[0009] Further, the frame body comprises two oppositely arranged reference plates and a plurality of connecting rods connecting the two reference plates, and the plurality of connecting rods are symmetrically arranged at two ends of the reference plates.

[0010] Further, the outer side of the frame body is further fixed with a positioning block group, and the positioning block group comprises an upper positioning block and a lower positioning block.

[0011] Due to the use of the above technical scheme, the beneficial effects of the present application compared with the prior art are:

[0012] The upper slot and the corresponding lower slot are arranged in a staggered manner, and after the battery piece is inserted into the corresponding upper slot and lower slot, the battery piece is in an inclined state, and under the action of gravity, the battery pieces are tightly attached together, thereby reducing the deposition of aluminum oxide on the back surface to the maximum extent and avoiding the occurrence of watermarks; at the same time, the battery piece is inclined at a certain angle, which is also beneficial to the smooth flow of gas from the furnace mouth to the furnace tail, thereby avoiding the generation of air leakage caused by the rotation of the airflow. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a three-dimensional structure schematic diagram of the aluminum boat for the TOPCon battery of the present application;

[0015] Figure 2 It is a front view of the battery piece inserted into the aluminum boat of the present application. DETAILED DESCRIPTION

[0016] In order to make the personnel in the technical field better understand the present application scheme, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0017] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be combined. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0018] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0019] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0020] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0022] Please refer to Figure 1 and Figure 2The utility model provides a kind of aluminium boat for TOPCon battery, including frame 1, the support bar 2 being arranged at the bottom of frame 1 and the top bar 3 being arranged at the top of frame 1 corresponding to support bar 2, the support bar 2 is distributed with several lower slots along length direction, the two side surfaces of top bar 3 are respectively provided with several upper slots along length direction, the upper slot is misaligned with corresponding lower slot, when battery piece 4 is inserted into corresponding upper slot and lower slot, battery piece 4 is in inclined state, and the included angle a between battery piece 4 and perpendicular line L is 3-5 °.

[0023] The utility model discloses a kind of upper slots and corresponding lower slots misaligned, after battery piece 4 is inserted into corresponding upper slot and lower slot, battery piece is in inclined state, under the action of gravity, two battery pieces in the same lower slot are closely adhered together, maximum degree of reducing aluminium oxide back deposition, avoid appearing watermark;Simultaneously, battery piece is inclined to certain angle, it is also favorable to the gas of furnace mouth more smoothly flows to furnace tail, avoid the circulation of air flow produces plating leakage.

[0024] Further, the frame 1 includes two oppositely arranged reference plates 11 and a plurality of connecting rods 12 connecting the two reference plates 11, the plurality of connecting rods 12 are symmetrically arranged at both ends of the reference plate 11, and the plurality of top rods 3 and the plurality of support rods 2 are arranged between the connecting rods 12 at both ends and are arranged parallel to the connecting rods 12.

[0025] Further, the upper slot extends from the upper surface to the lower surface of the top rod 3. The battery piece 4 is loaded in the aluminum boat, and the lower edge of the battery piece 4 is inserted into the lower slot. In order to facilitate the inclined insertion of the battery piece 4 into the lower slot, the two opposite surfaces of the upper slot in contact with the battery piece 4 are inclined surfaces, and the inclination angle of the inclined surface is 3-5 °.

[0026] Further, in order to better support and limit the battery piece 4, the lower slot has at least one surface parallel to the inclined surface of the upper slot.

[0027] Further, in order to ensure the stable support of the support rod 2 to the battery piece 4, the lower edge of the battery piece 4 can be supported by two support rods 2, i.e., two support rods 2 correspond to one top rod 3.

[0028] Further, the outer side of the frame 1 is also fixed with a positioning block set, which includes an upper positioning block and a lower positioning block.

[0029] Finally, it should be noted that the above is only the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An aluminum boat for TOPCon cells, comprising a frame (1), a supporting rod (2) arranged at the bottom of the frame (1), and a top rod (3) arranged at the top of the frame (1) corresponding to the supporting rod (2), characterized in that, The supporting rod (2) is provided with a plurality of lower insertion slots along the length direction, the two side surfaces of the top rod (3) are respectively provided with a plurality of upper insertion slots along the length direction, the upper insertion slots are arranged in a staggered manner with the corresponding lower insertion slots, when the battery piece (4) is inserted into the corresponding upper insertion slot and lower insertion slot, the battery piece (4) is in an inclined state, and the included angle a between the battery piece (4) and the vertical line L is 3-5°.

2. The aluminum boat for a TOPCon cell according to claim 1, wherein The upper insertion slot extends from the upper surface to the lower surface of the top rod (3), the two opposite surfaces of the upper insertion slot in contact with the battery piece (4) are inclined surfaces, and the inclination angle of the inclined surface is 3-5°.

3. The aluminum boat for a TOPCon cell according to claim 2, wherein The lower insertion slot has at least one surface parallel to the inclined surface of the upper insertion slot.

4. The aluminum boat for a TOPCon cell according to claim 1, wherein The frame body (1) comprises two oppositely arranged reference plates (11) and a plurality of connecting rods (12) connecting the two reference plates (11), and the plurality of connecting rods (12) are symmetrically arranged at the two ends of the reference plate (11).

5. The aluminum boat for a TOPCon cell according to any one of claims 1 to 4, characterized in that The outer side of the frame body (1) is further fixed with a positioning block group, and the positioning block group comprises an upper positioning block and a lower positioning block.

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