CN206056302U - Anode material of lithium battery research and development test burning alms bowl - Google Patents
Anode material of lithium battery research and development test burning alms bowl Download PDFInfo
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- CN206056302U CN206056302U CN201620947364.5U CN201620947364U CN206056302U CN 206056302 U CN206056302 U CN 206056302U CN 201620947364 U CN201620947364 U CN 201620947364U CN 206056302 U CN206056302 U CN 206056302U
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Abstract
The utility model discloses a kind of anode material of lithium battery research and development test burning alms bowl, including the main burning bowl in cuboid, the main inner chamber for burning bowl is integrally formed with one piece or two pieces of dividing plates, its inner chamber is divided into two sintering cell bodies and forms day word lattice and burn alms bowls or two pieces of dividing plates and its inner chamber is divided into four sintering cell bodies forms matts and burns alms bowls by one piece of dividing plate, the main bottom corner for burning bowl is provided with leg, when multiple main burning bowls are stacked, the main leg for burning bowl in upper strata can be supported at the top of the main body wall for burning bowl of lower floor and make to leave space therebetween.Burning alms bowl of the present utility model in the case of same sintering schedule while doing the experiment of two batches conditions above, can not only greatly shorten labor time, accelerate research and development progress, while the comparability between condition experimentai batches can also be strengthened.With simple structure, the advantages of easy to operate.
Description
Technical field
This utility model is related to a kind of burning alms bowl, especially anode material of lithium battery research and development test burning alms bowl.
Background technology
At present, lithium electricity positive electrode research and development test kiln is the small sintering equipment such as clock hood type furnace or Muffle furnace, body of heater
Little, the state modulator such as temperature atmosphere is accurate, is easy to quickly prepare sample.Lithium source, presoma, alloy etc. several raw materials are mixed
After getting togather, loaded on sintering in being placed in Muffle furnace, clock hood type furnace after burning alms bowl.
The row important factor in order to material property known in the industry has：Sintering schedule, Li/Me ratios, are mixed at dopant species
Miscellaneous amount, cladding material, atmospheric condition etc..During design orthogonal experiment, if considering various influence factors, experimentai batches are huge by quantity
Greatly, orthogonal experiment is more accurate for parameter designing, and condition experiment need to fix furnace equipment, and different sintering batches just have on year-on-year basis
Meaning.
Initial stage develops sample, typically first evaluates some key projects, such as granularity, SEM, XRD, BET, remnants Li, electrical property
Evaluated using button electricity, sample total amount needed for detection is only 100-500g.Alms bowl is burnt using common, an once sintered batch is same
Temperature conditionss experiment repeatedly need to be sintered, then entirely develop the longer of experimentation drawing, and Recent Progresses In The Development is slow.Certainly also adopt
With the little porcelain boat sintered material of 10*50mm sizes, but sintered material only 10-50g, test remnants Li, tap density, the samples such as electricity are detained
Product amount is inadequate.Also have and burning alms bowl corner sintering is diagonally stacked using different condition bank, stacking the drawbacks of producing is, material thickness
Differ, the sample homogeneity for sintering out differs, sampling is under-represented, and easily cross-contamination.
Application No. 201320632925.9《A kind of built-up container body》Patent in mention, four L-shaped alms bowl walls are located at phase
Between adjacent horizontal plate, the saggar with square cavity is combined into.The burning alms bowl has the shortcomings that easily to hide material, and it is easy to burn alms bowl wall
Scaling-off, frangible feature, if being combined insertion draw-in groove etc., easily causes burning alms bowl and falls apart, fall to burn alms bowl slag, reduce access times
Etc. drawback.
Application No. 201520588967.6《Sintering saggar》Patent disclose a kind of sintering saggar, be provided with bowl every
Plate, retainer ring, cover plate are provided with four alignment pins, for preventing cover plate from coming off.Bowl upper end forms closed cavity, and saggar can be anti-
Multiple to use, oxygen barrier property is excellent, and the feature such as will not be stuck in stove.It is iron material matter that the utility model burns alms bowl material, main to use
Sinter in LiFePO4 class material.The burning alms bowl dividing plate is active clapboard, and is closed burning alms bowl, for other lithium electricity positive electrodes such as
Cobalt acid lithium, nickle cobalt lithium manganate class material need sufficient atmosphere then not apply to, and burn alms bowl for iron material matter, have introducing magnetic foreign body wind
Danger.Dividing plate is active clapboard, when sintering for different condition material, will produce cross-contamination equivalent risk.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided a kind of anode material of lithium battery
Research and development test is used for orthogonal experiment, can not only be greatly shortened labor time, while condition experiment can also be strengthened with alms bowl, the burning alms bowl is burnt
Comparability between batch.
For solve above-mentioned technical problem, the utility model proposes technical scheme be：
A kind of anode material of lithium battery research and development test burning alms bowl, including the main burning bowl in cuboid, the main burning alms bowl
Its inner chamber is divided into two sintering cell bodies and forms day integrally formed with one piece or two pieces of dividing plates, one piece of dividing plate by the inner chamber of body
Word lattice burn alms bowl or two pieces of dividing plates and its inner chamber are divided into four sintering cell bodies formation matts burning alms bowls, the main burning bowl
Bottom corner is provided with leg, and when multiple main burning bowls are stacked, the main leg for burning bowl in upper strata can be supported in the main burning alms bowl of lower floor
At the top of the body wall of body and make to leave space therebetween.
As the further improvement to above-mentioned technical proposal：
Preferably, the top of the dividing plate is concordant with the main top for burning bowl.
Preferably, the matts is burnt in alms bowl, and the loaded volume of each sintering cell body is 0.5-1.2kg；The day word lattice
Burn in alms bowl, the loaded volume of each sintering cell body is 0.2-0.6kg or 1-2kg.
Preferably, the size of the burning alms bowl is：Outer path length * width * height=320*320*60mm, interior path length * width * height=300*
300*40mm；Or outer path length * width * height=175*175*100 mm, interior path length * width * height=150*150*40 mm.
Preferably, the main burning bowl and dividing plate are mullite product, quartziferous product or corundum product.
Compared with prior art, the utility model has the advantage of：
Anode material of lithium battery research and development test of the present utility model is integrally formed by the inner chamber in main burning bowl with alms bowl is burnt
Its inner chamber is divided into two sintering cell bodies formation day word lattice burning alms bowls or its inner chamber is divided into four burnings by one piece or two pieces of dividing plates
Knot cell body forms matts and burns alms bowl, allows burning alms bowl in the case of same sintering schedule, while the experiment of two batches conditions above is done, no
It is only capable of greatly shortening labor time, accelerates research and development progress, while the comparability between condition experimentai batches can also be strengthened.In addition,
Burning alms bowl band leg of the present utility model, when stacking burns alms bowl sintering, upper strata is burnt the leg of alms bowl and can be supported in the top body that alms bowl burns in lower floor
On wall, upper strata is burnt between alms bowl and lower floor's burning alms bowl and leave space so that material can be fully contacted with furnace atmosphere.With structure letter
It is single, the advantages of easy to operate.
Description of the drawings
Fig. 1 is the structural representation that this utility model research and development test burns alms bowl embodiment 1.
Fig. 2 is the structural representation that this utility model research and development test burns alms bowl embodiment 2.
1st, main burning bowl；2nd, dividing plate；3rd, leg；4th, sinter cell body.
Specific embodiment
For the ease of understanding this utility model, below in conjunction with Figure of description and preferred embodiment to this utility model
Work more comprehensively, is meticulously described, but protection domain of the present utility model is not limited to embodiment in detail below.
Embodiment 1
As shown in figure 1, a kind of anode material of lithium battery research and development test of the present utility model is with alms bowl embodiment is burnt, including in length
The main burning bowl 1 of cube shape, it is main burn bowl 1 inner chamber integrally formed with two pieces of dividing plates 2, in decussate texture, the cross every
The top of plate 2 is concordant with the main top for burning bowl 1, the main inner chamber for burning bowl 1 is divided into four sintering cell bodies 4 and forms matts
Alms bowl is burnt, the bottom corner of main burning bowl 1 is provided with leg 3, when multiple main burning bowls 1 are stacked, main 3 energy of leg for burning bowl 1 in upper strata
Be supported at the top of the main body wall for burning bowl 1 of lower floor, and make two to burn space is left between alms bowl.The present embodiment structure makes the burning alms bowl can be with
In the case of same sintering schedule, while doing four batches of condition experiments, labor time can not only be greatly shortened, accelerate research and development progress,
The comparability between condition experimentai batches can also be strengthened simultaneously.Design leg makes to leave space between two burning alms bowls, can cause thing
Material can be fully contacted with furnace atmosphere
In the present embodiment, main burning bowl 1 and dividing plate 2 are mullite product, quartziferous product or corundum product.
Embodiment 2
As shown in Fig. 2 anode material of lithium battery research and development test of the present utility model another embodiment of burning alms bowl, its structure
It is similar to the structure of embodiment 1, the main inner chamber for burning bowl 1 is differed only in integrally formed with one piece of flush dividing plate 2, should
The main inner chamber for burning bowl 1 is divided into two sintering cell bodies 4 and forms a day word lattice burning alms bowl by dividing plate 2.Same temperature condition is sintered
When, the raw mixture of two batches different condition can be loaded in each lattice, once sinterable more substantial material, is convenient for full electricity
Comprehensively evaluate in pond etc..
The burning alms bowl preparation method of above-mentioned two embodiment of the present utility model is：
Using matts or day word grid mold, suppress be integrally formed, the lattice that corner is smooth burns alms bowl, and divider height with
Burn alms bowl edge concordant, sinter final finished in being subsequently placed in kiln into and burn alms bowl.
Using method of the present utility model is：
Alms bowl can be burnt using lattice of the present utility model when carrying out condition experiment is carried out.It is residual that research and development sample evaluates key parameter
Remaining Li, button electricity, XRD etc., required sample is up to 300g.According to raw material with it is sintering finished between weight ratio and compound pine
Dress density is calculated, and the burning alms bowl for being provided to clock hood type furnace is designed to matts and burns alms bowl, a height of 320*320*60mm of external diameter length and width, internal diameter
The a height of 300*300*40mm of length and width, each cell body can fill compound 0.5-1.2kg, can fill total compound 3-5kg；Suitable for Muffle
The burning alms bowl volume of stove is less than normal, may be designed to day word lattice and burns alms bowl, and a height of 175*175*100 mm of external diameter length and width, internal diameter length and width are a height of
150*150*40 mm, each cell body can fill compound 0.2-0.6kg, can fill total compound 0.6-1.2kg.Therefore this practicality is new
Type can meet weight needed for sample is evaluated.
When proportioning as shown in the following Table 1, sintering schedule design orthogonal experiment, sintered sample 12 times is routinely needed.And adopt
When matts shown in this utility model Fig. 1 burns alms bowl, once the raw mixture material of four batches of different conditions can be respectively charged into respectively
In lattice, surface is struck off, is sintered in same temperature condition by pine dress.Parameter material such as proportioning 1,2,3,4 is respectively put in
In one little lattice, together it is placed in clock hood type furnace and sinters.Make this need to sinter four times be changed into sintering once, reduce three times experiment
Time, and avoid the difference between the batch that kiln different time is caused because of uncontrollable factors such as component aging temperature fluctuations
It is different.In the same manner, four batches of proportioning 5-8 can be placed on a matts burning alms bowl, and the 9-12 tetra- crowdes of proportioning can be placed on a matts and burn alms bowl.
So, the original experiment for needing 12 sintering is made, 3 sintering is reduced to, is substantially reduced test period.
Different alloys as shown in the following Table 2, doping design doping experiment, same temperature are investigated, and carry out bar
During part contrived experiment, 8 sintering need to be routinely done.And when adopting the matts shown in this utility model Fig. 1 to burn alms bowl, once can be by 1-
4 condition point materials are put in a matts and burn alms bowl, and 5-8 conditions point material is put in a matts and burns alms bowl, and two are burnt alms bowl heap and stacked
Come, be placed in clock hood type furnace, upper strata, then once material sintering can be completed, and property is strong on year-on-year basis, be not required to consider that kiln different time adds
Thermal element is aging or some anthropic factors and the difference between caused batch.
After the completion for the treatment of Initial Experimental Stage optimization, key influence factor is reduced to after 1-3, then needs to consider that full battery is carried out entirely
The evaluation in orientation.Full cell evaluation material property, required more than sample 1kg, while simple condition need to be done are carried out if desired
During experiment, then the day word lattice shown in this utility model Fig. 2 can be adopted to burn alms bowl, the raw mixture of two batches different condition is filled respectively
Enter in each lattice, be sintered in same temperature condition, it is because one sintering cell body can fill material about 1-2kg, then once sinterable
More substantial material, is convenient for full battery etc. and comprehensively evaluates.
1 proportioning of table, sintering schedule orthogonal
| Proportioning 1 | Proportioning 2 | Proportioning 3 | Proportioning 4 | |
| Sintering schedule 1 | 1 | 2 | 3 | 4 |
| Sintering schedule 2 | 5 | 6 | 7 | 8 |
| Sintering schedule 3 | 9 | 10 | 11 | 12 |
The doping orthogonal of table 2
| Alloy A | Alloy B | |
| Doping 1 | 1 | 5 |
| Doping 2 | 2 | 6 |
| Doping 3 | 3 | 7 |
| Doping 4 | 4 | 8 |
Claims (5)
1. a kind of anode material of lithium battery research and development test is used and burns alms bowl, including the main burning bowl in cuboid, it is characterised in that：Institute
The main inner chamber for burning bowl is stated integrally formed with one piece or two pieces of dividing plates, its inner chamber is divided into two sintering grooves by one piece of dividing plate
Body forms day word lattice burning alms bowl or two pieces of dividing plates and its inner chamber is divided into four sintering cell bodies formation matts burning alms bowls, the master
The bottom corner for burning bowl is provided with leg, and when multiple main burning bowls are stacked, the main leg for burning bowl in upper strata can be supported in down
Layer it is main burn bowl body wall at the top of and make to leave space therebetween.
2. anode material of lithium battery research and development test according to claim 1 is used and burns alms bowl, it is characterised in that：The top of the dividing plate
Portion is concordant with the main top for burning bowl.
3. anode material of lithium battery research and development test according to claim 1 is used and burns alms bowl, it is characterised in that：The matts burns
In alms bowl, the loaded volume of each sintering cell body is 0.5-1.2kg；The day word lattice are burnt in alms bowl, and the charging of each sintering cell body is held
Measure as 0.2-0.6kg or 1-2kg.
4. anode material of lithium battery research and development test according to claim 1 is used and burns alms bowl, it is characterised in that：The chi for burning alms bowl
It is very little to be：Outer path length * width * height=320*320*60mm, interior path length * width * height=300*300*40mm；Or outer path length * width * height=
175*175*100 mm, interior path length * width * height=150*150*40 mm.
5. anode material of lithium battery research and development test according to claim 1 is used and burns alms bowl, it is characterised in that：The main burning bowl
Mullite product, quartziferous product or corundum product are with dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947364.5U CN206056302U (en) | 2016-08-26 | 2016-08-26 | Anode material of lithium battery research and development test burning alms bowl |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947364.5U CN206056302U (en) | 2016-08-26 | 2016-08-26 | Anode material of lithium battery research and development test burning alms bowl |
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| Publication Number | Publication Date |
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| CN206056302U true CN206056302U (en) | 2017-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917395A (en) * | 2018-06-20 | 2018-11-30 | 荆门市格林美新材料有限公司 | A kind of honeycomb sintering pan |
-
2016
- 2016-08-26 CN CN201620947364.5U patent/CN206056302U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917395A (en) * | 2018-06-20 | 2018-11-30 | 荆门市格林美新材料有限公司 | A kind of honeycomb sintering pan |
| CN108917395B (en) * | 2018-06-20 | 2019-12-24 | 荆门市格林美新材料有限公司 | Honeycomb sintering dish |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 17-8, Lutian Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Patentee after: BASF Shanshan battery material Co.,Ltd. Address before: 410205 No. 17-8, Lutian Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Patentee before: Hunan Shanshan Energy Technology Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 410205 No. 17-8, Lutian Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Patentee after: Hunan Shanshan Energy Technology Co.,Ltd. Address before: 410000 No. 17-8, Lutian Road, Lugu Industrial Park, high tech Development Zone, Changsha City, Hunan Province Patentee before: HUNAN SHANSHAN ENERGY TECHNOLOGY Co.,Ltd. |