CN211133789U - Ball milling tank for mixing sodium ion battery anode material precursor - Google Patents
Ball milling tank for mixing sodium ion battery anode material precursor Download PDFInfo
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- CN211133789U CN211133789U CN201921967014.5U CN201921967014U CN211133789U CN 211133789 U CN211133789 U CN 211133789U CN 201921967014 U CN201921967014 U CN 201921967014U CN 211133789 U CN211133789 U CN 211133789U
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- ion battery
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- water conservancy
- conservancy diversion
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Abstract
The utility model relates to a ball-milling jar that is used for mixed of sodium ion battery cathode material precursor, including a jar body and cover, jar internal side wall is equipped with the water conservancy diversion arch, and the cover inboard is equipped with the friction arch, and slick and sly water conservancy diversion is protruding to jar mouth 2-3cm, and the protruding bottom of water conservancy diversion extends to jar body bottom, and the water conservancy diversion is protruding including the even number strip that sets up, and the protruding surface of water conservancy diversion is the cambered surface, and jar body and cover are the jar body and the cover that polytetrafluoroethylene, polyurethane, nylon, agate and tungsten carbide prepared the gained. The utility model has the advantages that: by matching the guide protrusions and the friction protrusions, the precursor raw materials of the positive electrode material of the sodium-ion battery are quickly and uniformly mixed, so that the mixing efficiency and the mixing effect are improved; in addition, the phenomena of cover sticking, can sticking and the like caused by moisture absorption of sodium sources such as sodium carbonate, sodium hydroxide and the like are effectively inhibited.
Description
Technical Field
The utility model belongs to the technical field of the battery is made, especially, relate to a ball-milling jar that is used for mixed of positive pole material precursor of sodium ion battery.
Background
The ball milling and mixing of the raw materials is one of the most important process links in the battery material synthesis process, and particularly for the scientific research and production of the lithium ion battery anode material, the ball milling effect directly determines the batch-to-batch consistency and the batch-to-batch consistency of the product.
From the preparation and the production of lithium ion battery cathode material, for the cost consideration, often adopt lithium carbonate to mix as the lithium source, because lithium carbonate has better moisture resistance, in addition difficult water absorption itself, consequently adopt ordinary ball-milling jar or jar to add the mode of certain wear-resisting inside lining and can accomplish the ball-milling process, and for sodium ion battery cathode material, no matter adopt sodium carbonate or sodium hydroxide as the sodium source, all have very strong hygroscopicity, especially carry out long-time raw materials mixing under ordinary environment (humidity 30% -60%), take place easily that the material is glutinous, glutinous jar, glutinous phenomenon such as lid, thereby cause the material layering and consequently destroyed the uniformity that the raw materials mixes, cause experiment nonparallel or the product to appear the quality problem.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a ball-milling jar that is used for the mixed of positive pole material precursor of sodium ion battery.
The utility model adopts the technical proposal that: the utility model provides a ball-milling jar that is used for anodal material precursor of sodium ion battery to mix, includes a jar body and cover, and jar internal side wall is equipped with the water conservancy diversion arch, and the cover inboard is equipped with the friction arch.
Preferably, the flow guide protrusion comprises an even number of uniformly arranged flow guide protrusions, and the surface of each flow guide protrusion is an arc surface.
Preferably, the top end of the smooth diversion bulge extends to 2-3cm from the tank opening, and the bottom end of the diversion bulge extends to the bottom of the tank body.
Preferably, the friction bulges comprise a plurality of uniformly arranged fan-shaped friction bulges, the surfaces of the fan-shaped friction bulges are arc surfaces which are symmetrical, high in the middle and low in two sides, and the slope of the arc surfaces is 10-25 degrees.
Preferably, the guide protrusion is integrally formed with the can body, and the friction protrusion is integrally formed with the can cover.
Preferably, the guide protrusions comprise six, two adjacent guide protrusions are spaced at an angle of 60 degrees, and the friction protrusions comprise four.
Preferably, the bottom of the tank body is provided with bottom bulges the same as the tank cover, the number of the bottom bulges is the same as that of the flow guide bulges, and the bottom bulges are connected with the flow guide bulges.
Preferably, the can body and the can cover are made of one or more mixed materials of polytetrafluoroethylene, polyurethane, nylon, agate and tungsten carbide.
The utility model has the advantages and positive effects that: by matching the guide protrusions and the friction protrusions, the precursor raw materials of the positive electrode material of the sodium-ion battery are quickly and uniformly mixed, so that the mixing efficiency and the mixing effect are improved; in addition, the phenomena of cover sticking, can sticking and the like caused by moisture absorption of sodium sources such as sodium carbonate, sodium hydroxide and the like are effectively inhibited.
Drawings
Fig. 1 is a schematic top view of a tank according to an embodiment of the present invention;
FIG. 2 is a schematic view of a tank structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a can lid according to an embodiment of the present invention;
figure 4 is a schematic side view of a can lid according to one embodiment of the present invention.
In the figure:
1. tank body 11, flow guide bulge 2 and tank cover
21. Friction projection
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model relates to a ball milling tank for mixing a sodium ion battery anode material precursor, which is used for mixing the sodium ion battery anode material precursor, and comprises a tank body 1 and a tank cover 2 which can be mutually buckled, wherein the middle bulge of the tank cover 2 is a round table and can be embedded into the end part of the tank body 1, the height of the bulge is 2-3cm, the diameter of the outer edge of the tank cover 2 is the same as the outer diameter of the tank body 1, the tank cover 2 is buckled on the tank body 1 to form a columnar whole, and four inner wall friction bulges 21 which are integrally formed with the tank cover 2 are arranged on the closed surface of the tank cover 2 below and; the inner side wall of the tank body 1 is provided with a flow guide bulge 11, the inner side of the tank cover 2 is provided with a friction bulge 21, the flow guide bulge 11 and the tank body 1 are integrally formed, and the friction bulge 21 and the tank cover 2 are integrally formed; in the process of grinding and mixing raw materials, because the convection impact of materials and grinding balls is increased due to the existence of the flow guide bulges 11, the mixing and grinding efficiency is greatly improved, and in addition, because the impact becomes more violent, the phenomenon that the materials are stuck to a tank is effectively inhibited; the ball milling tank effectively improves the mixing efficiency of the raw materials during the preparation of the positive electrode material of the sodium ion battery, and has good inhibiting effect on the phenomena of cover adhesion, tank adhesion and the like caused by the moisture absorption sodium sources such as sodium carbonate, sodium hydroxide and the like.
As shown in fig. 1, the flow guide protrusion 11 comprises an even number of uniformly arranged flow guide protrusions, the surface of the flow guide protrusion 11 is a cambered surface, the top end of the smooth flow guide protrusion 11 extends to the tank opening by 2-3cm and is used for avoiding the position of the tank cover 2, and the bottom end of the flow guide protrusion 11 extends to the bottom of the tank body 1; the friction bulges 21 are uniformly arranged, the number of the friction bulges 21 can be the same as or different from that of the diversion bulges 11, the bottom of the tank body 1 can also be provided with the friction bulges 21 which are the same as that of the tank cover 2, as shown in figure 3, the friction bulges 21 are fan-shaped, the surface is an arc surface which is symmetrical, high in the middle and low in two sides, and as shown in figure 4, the slope of the arc surface is 10-25 degrees; because the friction bulge 21 is arranged on the inner side of the tank cover 2, the impact of materials and grinding balls in the vertical direction becomes severe, and the phenomenon of cover sticking is effectively inhibited. The tank body 1 and the tank cover 2 are prepared by mixing one or more materials of polytetrafluoroethylene, polyurethane, nylon, agate and tungsten carbide in any proportion, and the precursor mixture is further improved to be bonded on the inner side of the tank body 1 or the tank cover 2.
Example 1:
the utility model provides a ball-milling jar for mixing of sodium ion battery cathode material precursor, includes jar body 1 and cover 2, and jar body 1 inside wall is equipped with the water conservancy diversion arch 11, and cover 2 inboard is equipped with the friction arch 21, and the protruding 11 and jar body 1 integrated into one piece of water conservancy diversion, the protruding 21 and cover 2 integrated into one piece of friction, jar body 1 and cover 2 are jar body 1 and cover 2 of polytetrafluoroethylene preparation gained.
The water conservancy diversion arch 11 is including the six that evenly set up, and two adjacent water conservancy diversion archs 11 interval angle are 60, and water conservancy diversion arch 11 surface is the cambered surface, and slick and sly water conservancy diversion arch 11 top is to jar mouth 2-3cm, and water conservancy diversion arch 11 bottom extends to jar 1 bottom. The friction bulges 21 comprise four evenly arranged friction bulges, the friction bulges 21 are fan-shaped, the surface of each friction bulge is a cambered surface which is symmetrical, high in the middle and low in two sides, and the slope of the cambered surface is 10-25 degrees.
Example 2:
the utility model provides a ball-milling jar for mixing of sodium ion battery cathode material precursor, includes jar body 1 and cover 2, and jar body 1 inside wall is equipped with water conservancy diversion arch 11, and cover 2 inboard is equipped with the friction arch 21, and water conservancy diversion arch 11 and jar body 1 integrated into one piece, friction arch 21 and cover 2 integrated into one piece, jar body 1 and cover 2 are jar body 1 and cover 2 that tungsten carbide prepared the gained.
The flow guide bulges 11 comprise eight uniformly arranged flow guide bulges, the surfaces of the flow guide bulges 11 are cambered surfaces, the top ends of the smooth flow guide bulges 11 extend to the tank opening by 2-3cm, and the bottom ends of the flow guide bulges 11 extend to the bottom of the tank body 1. The friction bulges 21 comprise eight uniformly arranged friction bulges, the friction bulges 21 are fan-shaped, the surfaces of the friction bulges are symmetrical cambered surfaces with a high middle and two low sides, and the gradient of the cambered surfaces is 10-25 degrees; the bottom of the tank body 1 is provided with bottom bulges the same as the tank cover 2, the number of the bottom bulges is the same as that of the flow guide bulges 11, and the bottom bulges are connected with the flow guide bulges 11.
Example 3:
the utility model provides a ball-milling jar for mixing of sodium ion battery cathode material precursor, includes jar body 1 and cover 2, and jar body 1 inside wall is equipped with water conservancy diversion arch 11, and cover 2 inboard is equipped with the friction arch 21, and water conservancy diversion arch 11 and jar body 1 integrated into one piece, friction arch 21 and cover 2 integrated into one piece, jar body 1 and cover 2 are the jar body 1 and cover 2 of polyurethane preparation gained.
The flow guide bulges 11 comprise eight uniformly arranged flow guide bulges, the surfaces of the flow guide bulges 11 are cambered surfaces, the top ends of the smooth flow guide bulges 11 extend to the tank opening by 2-3cm, and the bottom ends of the flow guide bulges 11 extend to the bottom of the tank body 1. The friction bulges 21 comprise eight uniformly arranged friction bulges, the friction bulges 21 are fan-shaped, the surfaces of the friction bulges are cambered surfaces which are symmetrical, high in the middle and low in two sides, and the gradient of the cambered surfaces is 10-25 degrees.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. The utility model provides a ball-milling jar that is used for positive pole material precursor of sodium ion battery to mix which characterized in that: including a jar body and cover, jar internal side wall is equipped with the water conservancy diversion arch, the cover inboard is equipped with the friction arch.
2. The ball milling jar for sodium ion battery positive electrode material precursor mixing of claim 1, wherein: the water conservancy diversion is protruding including the even number strip that evenly sets up, the protruding surface of water conservancy diversion is the cambered surface.
3. The ball milling jar for sodium ion battery positive electrode material precursor mixing of claim 2, characterized in that: the top end of the smooth flow guide bulge extends to 2-3cm from the tank opening, and the bottom end of the flow guide bulge extends to the bottom of the tank body.
4. The ball mill pot for mixing of sodium ion battery positive electrode material precursors as claimed in claim 3, wherein: the friction bulges comprise a plurality of evenly arranged friction bulges, the friction bulges are fan-shaped, the surfaces of the friction bulges are cambered surfaces which are symmetrical and have a high middle and two low sides, and the gradient of the cambered surfaces is 10-25 degrees.
5. The ball milling jar for sodium ion battery positive electrode material precursor mixing of claim 4, wherein: the flow guide bulge and the tank body are integrally formed, and the friction bulge and the tank cover are integrally formed.
6. The ball milling jar for sodium ion battery positive electrode material precursor mixing of claim 5, wherein: the water conservancy diversion is protruding to include six, and two adjacent water conservancy diversion are protruding interval angle for 60 degrees, the friction arch includes four.
7. The ball mill pot for mixing of sodium ion battery positive electrode material precursors as recited in any one of claims 1 to 6, wherein: the bottom of the tank body is provided with bottom protrusions which are the same as the tank cover, the number of the bottom protrusions is the same as that of the flow guide protrusions, and the bottom protrusions are connected with the flow guide protrusions.
8. The ball mill pot for mixing of sodium ion battery positive electrode material precursors as claimed in claim 7, wherein: the tank body and the tank cover are made of one or more mixed materials of polytetrafluoroethylene, polyurethane, nylon, agate and tungsten carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921967014.5U CN211133789U (en) | 2019-11-14 | 2019-11-14 | Ball milling tank for mixing sodium ion battery anode material precursor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921967014.5U CN211133789U (en) | 2019-11-14 | 2019-11-14 | Ball milling tank for mixing sodium ion battery anode material precursor |
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| Publication Number | Publication Date |
|---|---|
| CN211133789U true CN211133789U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921967014.5U Active CN211133789U (en) | 2019-11-14 | 2019-11-14 | Ball milling tank for mixing sodium ion battery anode material precursor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114141977A (en) * | 2021-11-25 | 2022-03-04 | 北京胜能能源科技有限公司 | Ball milling tank and homogenizing method and application thereof |
-
2019
- 2019-11-14 CN CN201921967014.5U patent/CN211133789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114141977A (en) * | 2021-11-25 | 2022-03-04 | 北京胜能能源科技有限公司 | Ball milling tank and homogenizing method and application thereof |
| CN114141977B (en) * | 2021-11-25 | 2023-10-27 | 北京胜能能源科技有限公司 | Ball milling tank and homogenization method and application thereof |
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