CN206639862U - A kind of preparation system of zinc antimony alloy composite negative pole material - Google Patents
A kind of preparation system of zinc antimony alloy composite negative pole material Download PDFInfo
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- CN206639862U CN206639862U CN201720296417.6U CN201720296417U CN206639862U CN 206639862 U CN206639862 U CN 206639862U CN 201720296417 U CN201720296417 U CN 201720296417U CN 206639862 U CN206639862 U CN 206639862U
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- preparation facilities
- carbon material
- negative pole
- composite negative
- antimony alloy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a kind of preparation system of zinc antimony alloy composite negative pole material, the system includes carbon material preparation facilities and composite preparation facilities two parts, carbon material preparation facilities includes stirred tank, carbide furnace and the graphitizing furnace being sequentially connected, composite preparation facilities includes batch mixer, high energy ball mill and the discharge plasma sintering machine being sequentially connected, wherein, graphitizing furnace is connected with batch mixer.Zinc antimony alloy and the carbon material after specially treated are combined with each other by the utility model, and the composite negative pole material being prepared has a splendid cyclical stability, and electric property is good.Preparation system of the present utility model includes the carbon material preparation facilities and composite preparation facilities two parts being sequentially connected, and continuous production, substantially increases production efficiency.
Description
Technical field
It the utility model is related to a kind of alloy material, and in particular to a kind of preparation system of zinc antimony alloy composite negative pole material
System.Belong to nonferrous materials processing technique field.
Background technology
The energy is the important substance basis of human social development, still, with fossil energies such as coal, oil and natural gas
Storage fall sharply, the resource exhaustion pressure that human society faces is increasing, therefore, how to improve energy utilization rate and exploitation profit
Have become national governments and the common objective of scientific research personnel with regenerative resource.
Battery is storage and the reforming unit of a kind of chemical energy and electric energy.Wherein, lithium ion battery because its have voltage it is high,
, discharge and recharge long lifespan higher than energy, memory-less effect, pollution-free, operating temperature range is wide, quick charge, self-discharge rate are low and
The advantages that safe and reliable, have become the desirable chemical power supply of modern communication and portable type electronic product etc..
Commercialized lithium ion battery is only generally as negative pole, its theoretical specific capacity using graphite material at present
372mAh/g, and graphite linings peeling phenomenon during fast charging and discharging be present, cause obvious capacity attenuation.Moreover, fast
Li dendrite phenomenon is easily produced in fast charge and discharge process, these factors all seriously constrain answering in power lithium-ion battery
With.Therefore, research emphasis and the difficult point place that graphite cathode is current lithium ion battery are replaced using other materials.
The content of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of zinc antimony alloy composite negative pole material
The preparation system of material.
To achieve the above object, the utility model uses following technical proposals：
A kind of preparation system of zinc antimony alloy composite negative pole material, including carbon material preparation facilities and composite prepare dress
Two parts are put, the carbon material preparation facilities includes stirred tank, carbide furnace and the graphitizing furnace being sequentially connected, the composite
Preparation facilities includes batch mixer, high energy ball mill and the discharge plasma sintering machine being sequentially connected, wherein, graphitizing furnace and batch mixing
Machine connects.
Preferably, it is additionally provided with alkali cleaning pond between the batch mixer and high energy ball mill.
Further preferably, the top in the alkali cleaning pond is provided with several spray heads, spray head and sodium hydroxide solution storage tank
Connection.
A kind of preparation method of zinc antimony alloy composite negative pole material, is comprised the following steps that corresponding to above-mentioned preparation system：
(1) by graphite powder and epoxy resin powder according to mass ratio 1：0.5~0.8 add stirred tank in, with 20~25 DEG C/
Min speed is warming up to 450~550 DEG C, stirs 4~5 hours；It is transferred in carbide furnace, under nitrogen protection, 1600~1700 DEG C
Insulation 2~3 hours, is transferred in graphitizing furnace, is warming up to 2500~2600 DEG C and is incubated 12~15 hours, obtains carbon material；
(2) by carbon material obtained by step (1) and zinc powder, antimony powder according to mol ratio 1：2~3：3~4 mix in batch mixer
Uniformly, be transferred to high energy ball mill, grind 10~20 hours, be transferred to discharge plasma sintering machine, in 30~1000MPa and
Sintered 5~8 minutes under the conditions of 200~600 DEG C, produce zinc antimony alloy composite negative pole material.
Preferably, in step (1), the average grain diameter of graphite powder is 10~15 μm, the μ of the average grain diameter of epoxy resin powder≤5
m。
Preferably, it is molten using 23w.t.% sodium hydroxide after carbon material, zinc powder and antimony powder are well mixed in step (2)
Liquid is fully washed.
Preferably, nitrogen protection is filled with when being ground in step (2).
The beneficial effects of the utility model：
Zinc antimony alloy and the carbon material after specially treated are combined with each other by the utility model, the composite negative pole being prepared
Material has a splendid cyclical stability, and electric property is good.Preparation system of the present utility model includes the carbon material being sequentially connected
Preparation facilities and composite preparation facilities two parts, continuous production, substantially increase production efficiency.
Brief description of the drawings
Fig. 1 is preparation system structural representation of the present utility model；
Wherein, 1 is carbon material preparation facilities, and 2 be composite preparation facilities, and 11 be stirred tank, and 12 be carbide furnace, and 13 are
Graphitizing furnace, 21 be batch mixer, and 22 be alkali cleaning pond, and 23 be high energy ball mill, and 24 be discharge plasma sintering machine.
Embodiment
The utility model is further elaborated with reference to the accompanying drawings and examples, it should explanation, under state
It is bright merely to explain the utility model, its content is not defined.
Embodiment 1：
As shown in figure 1, a kind of preparation system of zinc antimony alloy composite negative pole material, including carbon material preparation facilities 1 and multiple
The two parts of condensation material preparation facilities 2, carbon material preparation facilities 1 include stirred tank 11, carbide furnace 12 and the graphitization being sequentially connected
Stove 13, composite preparation facilities 2 include batch mixer 21, high energy ball mill 23 and the discharge plasma sintering machine being sequentially connected
24, wherein, graphitizing furnace 13 is connected with batch mixer 21.
Alkali cleaning pond 22 is additionally provided between batch mixer 21 and high energy ball mill 23.The top in alkali cleaning pond 22 sprays provided with several
Head, spray head are connected with sodium hydroxide solution storage tank.
A kind of preparation method of zinc antimony alloy composite negative pole material, is comprised the following steps that：
(1) by graphite powder and epoxy resin powder according to mass ratio 1：0.5 adds in stirred tank 11, with 20 DEG C/min speed
450 DEG C are warming up to, is stirred 4 hours；It is transferred in carbide furnace 12, under nitrogen protection, 1600 DEG C are incubated 2 hours, are transferred to graphite
Change in stove 13, be warming up to 2500 DEG C and be incubated 12 hours, obtain carbon material；
(2) by carbon material obtained by step (1) and zinc powder, antimony powder according to mol ratio 1：2：3 are well mixed in batch mixer 21,
High energy ball mill 23 is transferred to, grinding 10 hours (being filled with nitrogen protection), discharge plasma sintering machine 24 is transferred to, in 30MPa
With 200 DEG C under the conditions of sinter 5 minutes, produce zinc antimony alloy composite negative pole material.
In step (1), the average grain diameter of graphite powder is 10 μm, average grain diameter≤5 μm of epoxy resin powder.
In step (2), after carbon material, zinc powder and antimony powder are well mixed, carried out using 23w.t.% sodium hydroxide solution
Fully washing.
Embodiment 2：
A kind of preparation system of zinc antimony alloy composite negative pole material, with embodiment 1.
A kind of preparation method of zinc antimony alloy composite negative pole material, is comprised the following steps that：
(1) by graphite powder and epoxy resin powder according to mass ratio 1：0.8 adds in stirred tank 11, with 25 DEG C/min speed
550 DEG C are warming up to, is stirred 5 hours；It is transferred in carbide furnace 12, under nitrogen protection, 1700 DEG C are incubated 3 hours, are transferred to graphite
Change in stove 13, be warming up to 2600 DEG C and be incubated 15 hours, obtain carbon material；
(2) by carbon material obtained by step (1) and zinc powder, antimony powder according to mol ratio 1：3：4 are well mixed in batch mixer 21,
High energy ball mill 23 is transferred to, grinding 20 hours (being filled with nitrogen protection), is transferred to discharge plasma sintering machine 24,
Sintered 8 minutes under the conditions of 1000MPa and 600 DEG C, produce zinc antimony alloy composite negative pole material.
In step (1), the average grain diameter of graphite powder is 15 μm, average grain diameter≤5 μm of epoxy resin powder.
In step (2), after carbon material, zinc powder and antimony powder are well mixed, carried out using 23w.t.% sodium hydroxide solution
Fully washing.
Embodiment 3：
A kind of preparation system of zinc antimony alloy composite negative pole material, with embodiment 1.
A kind of preparation method of zinc antimony alloy composite negative pole material, is comprised the following steps that：
(1) by graphite powder and epoxy resin powder according to mass ratio 1：0.5 adds in stirred tank 11, with 25 DEG C/min speed
450 DEG C are warming up to, is stirred 5 hours；It is transferred in carbide furnace 12, under nitrogen protection, 1600 DEG C are incubated 3 hours, are transferred to graphite
Change in stove 13, be warming up to 2500 DEG C and be incubated 15 hours, obtain carbon material；
(2) by carbon material obtained by step (1) and zinc powder, antimony powder according to mol ratio 1：2：4 are well mixed in batch mixer 21,
High energy ball mill 23 is transferred to, grinding 10 hours (being filled with nitrogen protection), is transferred to discharge plasma sintering machine 24,
Sintered 8 minutes under the conditions of 1000MPa and 200 DEG C, produce zinc antimony alloy composite negative pole material.
In step (1), the average grain diameter of graphite powder is 10 μm, average grain diameter≤5 μm of epoxy resin powder.
In step (2), after carbon material, zinc powder and antimony powder are well mixed, carried out using 23w.t.% sodium hydroxide solution
Fully washing.
Embodiment 4：
A kind of preparation system of zinc antimony alloy composite negative pole material, with embodiment 1.
A kind of preparation method of zinc antimony alloy composite negative pole material, is comprised the following steps that：
(1) by graphite powder and epoxy resin powder according to mass ratio 1：0.8 adds in stirred tank 11, with 20 DEG C/min speed
550 DEG C are warming up to, is stirred 4 hours；It is transferred in carbide furnace 12, under nitrogen protection, 1700 DEG C are incubated 2 hours, are transferred to graphite
Change in stove 13, be warming up to 2600 DEG C and be incubated 12 hours, obtain carbon material；
(2) by carbon material obtained by step (1) and zinc powder, antimony powder according to mol ratio 1：3：3 are well mixed in batch mixer 21,
High energy ball mill 23 is transferred to, grinding 20 hours (being filled with nitrogen protection), discharge plasma sintering machine 24 is transferred to, in 30MPa
With 600 DEG C under the conditions of sinter 5 minutes, produce zinc antimony alloy composite negative pole material.
In step (1), the average grain diameter of graphite powder is 15 μm, average grain diameter≤5 μm of epoxy resin powder.
In step (2), after carbon material, zinc powder and antimony powder are well mixed, carried out using 23w.t.% sodium hydroxide solution
Fully washing.
Embodiment 5：
A kind of preparation system of zinc antimony alloy composite negative pole material, with embodiment 1.
A kind of preparation method of zinc antimony alloy composite negative pole material, is comprised the following steps that：
(1) by graphite powder and epoxy resin powder according to mass ratio 1：0.7 adds in stirred tank 11, with 22 DEG C/min speed
500 DEG C are warming up to, is stirred 4.5 hours；It is transferred in carbide furnace 12, under nitrogen protection, 1650 DEG C are incubated 2.5 hours, are transferred to
In graphitizing furnace 13, it is warming up to 2550 DEG C and is incubated 13 hours, obtain carbon material；
(2) by carbon material obtained by step (1) and zinc powder, antimony powder according to mol ratio 1：2.5：3.5 mix in batch mixer 21
Uniformly, high energy ball mill 23 is transferred to, grinding 15 hours (being filled with nitrogen protection), is transferred to discharge plasma sintering machine 24,
Sintered 7 minutes under the conditions of 500MPa and 400 DEG C, produce zinc antimony alloy composite negative pole material.
In step (1), the average grain diameter of graphite powder is 12 μm, average grain diameter≤5 μm of epoxy resin powder.
In step (2), after carbon material, zinc powder and antimony powder are well mixed, carried out using 23w.t.% sodium hydroxide solution
Fully washing.
Test example
The composite negative pole material of the gained of embodiment 1~5 is evenly applied to that electrode is made on copper foil, use metallic sodium piece for
Positive pole, electrolyte are 1mol/L NaClO4/ EC-DMC (volume ratios 1：1), polypropylene microporous film (Celgard 2300)
For barrier film, sodium ion half-cell, test loop stability, i.e., under 0.1C multiplying powers, in 0.01~1.8V voltage ranges are assembled into
Long-time circulate 50 times circulation after specific capacity, the results are shown in Table 1.
The cyclical stability test result of table 1.
By table 1, it could be assumed that, composite negative pole material of the present utility model has splendid cyclical stability.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, on the basis of the technical solution of the utility model, those skilled in the art need not pay creation
Property the various modifications that can make of work or deformation still within the scope of protection of the utility model.
Claims (3)
1. a kind of preparation system of zinc antimony alloy composite negative pole material, it is characterised in that including carbon material preparation facilities and compound
Material preparation facilities two parts, the carbon material preparation facilities include stirred tank, carbide furnace and the graphitizing furnace being sequentially connected, institute
Batch mixer, high energy ball mill and discharge plasma sintering machine that composite preparation facilities includes being sequentially connected are stated, wherein, graphite
Change stove to be connected with batch mixer.
2. preparation system according to claim 1, it is characterised in that be additionally provided between the batch mixer and high energy ball mill
Alkali cleaning pond.
3. preparation system according to claim 2, it is characterised in that the top in the alkali cleaning pond sprays provided with several
Head, spray head are connected with sodium hydroxide solution storage tank.
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| CN201720296417.6U CN206639862U (en) | 2017-03-24 | 2017-03-24 | A kind of preparation system of zinc antimony alloy composite negative pole material |
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| CN201720296417.6U CN206639862U (en) | 2017-03-24 | 2017-03-24 | A kind of preparation system of zinc antimony alloy composite negative pole material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784771A (en) * | 2017-03-24 | 2017-05-31 | 南昌专腾科技有限公司 | A kind of preparation method and system of zinc antimony alloy composite negative pole material |
| CN116014093A (en) * | 2022-12-15 | 2023-04-25 | 天津大学 | High-conductivity functional group heterogeneous-phase connection material at zinc grain boundary and preparation method thereof |
-
2017
- 2017-03-24 CN CN201720296417.6U patent/CN206639862U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784771A (en) * | 2017-03-24 | 2017-05-31 | 南昌专腾科技有限公司 | A kind of preparation method and system of zinc antimony alloy composite negative pole material |
| CN116014093A (en) * | 2022-12-15 | 2023-04-25 | 天津大学 | High-conductivity functional group heterogeneous-phase connection material at zinc grain boundary and preparation method thereof |
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Effective date of registration: 20220218 Address after: 570000 No. 37, flower Industrial Park, south of JinShengDa building materials City, Qiuhai Avenue, haixiu sub district, Xiuying District, Haikou City, Hainan Province Patentee after: Hainan jiuze New Energy Technology Co.,Ltd. Address before: 330096 room 223, building 1, science and Technology Park, Nanchang University, Nanchang high tech Industrial Development Zone, Nanchang, Jiangxi 589 Patentee before: NANCHANG ZHUANTENG TECHNOLOGY CO.,LTD. |
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