CN202616341U - Revolving furnace-type production device for anode and cathode materials of lithium batteries - Google Patents
Revolving furnace-type production device for anode and cathode materials of lithium batteries Download PDFInfo
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- CN202616341U CN202616341U CN2012201534017U CN201220153401U CN202616341U CN 202616341 U CN202616341 U CN 202616341U CN 2012201534017 U CN2012201534017 U CN 2012201534017U CN 201220153401 U CN201220153401 U CN 201220153401U CN 202616341 U CN202616341 U CN 202616341U
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- converter
- gas
- preheating chamber
- fluid bed
- charging aperture
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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
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Abstract
The utility model discloses a revolving furnace-type production device for anode and cathode materials of lithium batteries. Raw materials are fed into a fluidized bed mixing device by a feeder, are fully mixed in the fluidized bed mixing device and subjected to gas-solid separation and preheated, and enter a revolving furnace; and in the revolving furnace, the raw materials are reacted at the temperature of between 500 and 900 DEG C to generate anode and cathode materials of batteries, the anode and cathode materials of batteries enter a pellet cooler for cooling, air and fuel are charged to a combustor for combustion, high-temperature smoke and gas generated by combustion enter the revolving furnace to maintain the temperature distribution in the revolving furnace, the smoke and gas getting out of the revolving furnace flow by a pre-heating room and a gas-solid separating room, solid particles contained in the smoke and gas are captured in the gas-solid separating room and enter the revolving furnace, and the smoke, gas and air entering the gas-solid separating room flow out by a gas outlet of the gas-solid separating room.
Description
Technical field
The utility model relates to a kind of production technology of lithium battery positive and negative pole material, relates in particular to a kind of converter formula continuous production processes and device of lithium battery positive and negative pole material.
Background technology
Lithium battery is a kind of battery efficiently, extensively applies in mobile devices such as mobile phone, notebook computer and the batteries of electric automobile.Comparatively ripe at present lithium battery positive and negative pole material preparation method is a solid-phase synthesis, and its main feature is that technological process is simple, and preparation condition is controlled easily.Preparation process with manganate cathode material for lithium is an example, with Li
2CO
3With MnO
2Feed particles is mixed, and at 500 ~ 900 ℃ high-temperature calcination numbers hour, can obtain LiMn2O4.With LiCoO
2The preparation process of positive electrode is an example, with lithium carbonate Li
2CO
3With the oxide of cobalt (like cobalt carbonate CoCO
3, basic cobaltous carbonate 2CoCO
33Co (OH)
23H
2O, cobalt protoxide CoO, cobalt oxide Co
2O
3Or Co
3O
4Deng) particle mixes in proportion, the thermal synthesis of 500 ~ 900 ℃ of calcining some hrs solid phases is prepared under air atmosphere.Preparation process with lithium titanate anode material is an example, with lithium carbonate Li
2CO
3And titanyl compound is (like Ti
2O, TiO, Ti
2O
3, Ti
3O
5, Ti
4O
7, TiO
2, titanium carbonate, basic carbonate titanium etc.) and particle mixes in proportion, and the thermal synthesis of 500 ~ 900 ℃ of calcining some hrs solid phases is prepared under air atmosphere.
Solid-phase synthesis is normally put into resistance-type crucible high temperature with mixed solid material and is continued heating as a kind of production method of important lithium battery positive and negative pole material, and this production process is discontinuous, and production scale is little, and energy consumption is high.Therefore, be necessary production technology is improved, improve production scale, reduce energy consumption, reduce production costs.
The utility model content
Technical problem:The utility model provides a kind of can realize low energy consumption, high-efficiency and continuous, the converter formula process units of the lithium battery positive and negative pole material of large-scale production.
Technical scheme:The converter formula process units of the lithium battery positive and negative pole material of the utility model comprises dispenser, fluid bed mixing arrangement, gas solid separation preheating chamber, converter, burner and pellet cooler; The gas solid separation preheating chamber comprises primary cyclone, secondary cyclone; And one-level preheating chamber, secondary preheating chamber and three grades of preheating chambers of connecting successively; The primary cyclone solid outlet is connected with one-level preheating chamber charging aperture; The import of primary cyclone feed back is connected with the secondary cyclone gas vent, and the secondary cyclone charging aperture promotes the mouth of pipe with the one-level preheating chamber and is connected, and the secondary cyclone solid outlet is connected with one-level preheating chamber feedback outlet.Dispenser is connected with the lower end of fluid bed mixing arrangement, and the bottom of fluid bed mixing arrangement is provided with the fluid bed air inlet, and the upper end of fluid bed mixing arrangement is provided with the fluid bed discharging opening, and the fluid bed discharging opening is connected with the primary cyclone charging aperture; Three grades of preheating chamber discharging openings are connected with the converter charging aperture; The converter discharging opening is connected with the pellet cooler charging aperture; The pellet cooler exhaust outlet is connected with burner air inlet; The burner exhaust mouth is connected with the converter air inlet, and pellet cooler is provided with the cooling air inlet, and burner is provided with fuel inlet.
In the utility model device, converter is tilts to place, and the height of converter charging aperture is higher than the height of discharging opening.
In the utility model device, pellet cooler adopts the surface-type air cooling.
In the utility model, the flue gas of the temperature origin spontaneous combustion device of converter is kept.
Beneficial effect:The utility model compared with prior art has following advantage:
(1) at the mix stages of lithium battery positive and negative pole material preparation, the utility model can realize that both positive and negative polarity prepares the continuous high-efficient mixing of material.The traditional mixing technology adopts ball mill to mix, and ball mill needs motor-driven, because big heavier spin is arranged in the ball mill, causes power consumption big, and simultaneously, the uniform particles property that ball mill mixes is relatively poor.The utility model utilizes fluid bed particle mixed preferably, and fluid bed only needs an induced draft fan air-supply, and energy consumption is little, and particle mixes more even.
(2) at lithium battery positive and negative pole material preparatory phase, the utility model can be realized the continuous large-scale production of lithium battery positive and negative pole material.Traditional technological process is that the manual packing of the lithium battery both positive and negative polarity raw material that mixes is added in the single crucible, puts into board-like electric furnace then after preheating, reaction and cooling, the manual taking-up.The whole process flow automaticity is low, seriously relies on human resources, can't satisfy the needs of large-scale production.The utility model utilizes converter, and through the preparation of preheating and stage of reaction realization positive electrode, can pack after getting into the pellet cooler cooling by the positive and negative pole material of generation from the rotary kiln import to outlet for the lithium battery positive and negative pole material.Whole process flow is continuous, can realize automatic control.
(3) in traditional technological process, it is temperature required to have adopted electric heating to keep reaction.The utility model adopts fossil fuels such as the direct gas-firing of burner, synthesis gas, oil and coal, utilizes the high-temperature flue gas heating converter after burning, and keeps reaction temperature.Fossil fuel is a primary energy, and electric energy is secondary energy sources, compares with direct electric heating, adopts fossil fuel more economical, has remarkable energy saving effect.
(4) in traditional technological process, the both positive and negative polarity raw material heats in crucible, and is static relatively between the solid particle, in the crucible temperature field skewness of raw material with, cause the rate of finished products of product relatively low.And adopting mixings of mixing each other when rotating of converter formula reaction process, solid material particle along with converter, uniformity of temperature profile between the solid particle is reacted the rate of finished products height.
(5) in traditional technological process; Lithium battery both positive and negative polarity raw material is through processes such as mechanical mixture, electric furnace preheating, electric furnace heating holding temperature, coolings; Occupation area of equipment reaches; And the utility model adopts technologies such as fluid bed mixing, converter formula sintering and water-cooled, facility compact, and floor space is little.
Description of drawings
Fig. 1 is the structural representation of converter formula process units of the lithium battery positive and negative pole material of the utility model.
Have among the figure: dispenser 1; Fluid bed mixing arrangement 2; Fluid bed discharging opening 21; Gas solid separation preheating chamber 3; Primary cyclone 31; Primary cyclone solid outlet 311; Primary cyclone feed back import 312; Primary cyclone charging aperture 313; One-level preheating chamber 32; One-level preheating chamber charging aperture 321; The one-level preheating chamber promotes the mouth of pipe 322; One-level preheating chamber feedback outlet 323; Secondary preheating chamber 33; Three grades of preheating chambers 34; Three grades of preheating chamber discharging openings 341; Secondary cyclone 35; Secondary cyclone gas vent 351; Secondary cyclone charging aperture 352; Secondary cyclone solid outlet 353; Converter 4; Converter charging aperture 41; Converter discharging opening 42; Converter air inlet 43; Burner 5; Burner air inlet 51; Burner exhaust mouth 52; Fuel inlet 53; Pellet cooler 6; Pellet cooler charging aperture 61; Pellet cooler exhaust outlet 62; Particle inlet of cold air 63; Pellet cooler outlet 64.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
The converter formula production technology of the lithium battery positive and negative pole material of the utility model; Technological process is shown in accompanying drawing 1; Embodiment 1: the converter formula process units of the lithium battery positive and negative pole material of the utility model comprises dispenser 1, fluid bed mixing arrangement 2, gas solid separation preheating chamber 3, converter 4, burner 5 and pellet cooler 6; Gas solid separation preheating chamber 3 comprises primary cyclone 31, secondary cyclone 35; And one-level preheating chamber 32, secondary preheating chamber 33 and three grades of preheating chambers 34 of connecting successively; Primary cyclone solid outlet 311 is connected with one-level preheating chamber charging aperture 321; Primary cyclone feed back import 312 is connected with secondary cyclone gas vent 351; Secondary cyclone charging aperture 352 promotes the mouth of pipe 322 with the one-level preheating chamber and is connected, and secondary cyclone solid outlet 353 is connected with one-level preheating chamber feedback outlet 323; Dispenser 1 is connected with the lower end of fluid bed mixing arrangement 2; The bottom of fluid bed mixing arrangement 2 is provided with fluid bed air inlet B; The upper end of fluid bed mixing arrangement 2 is provided with fluid bed discharging opening 21, and said fluid bed discharging opening 21 is connected with primary cyclone charging aperture 313; Three grades of preheating chamber discharging openings 341 are connected with converter charging aperture 41; Converter discharging opening 42 is connected with pellet cooler charging aperture 61; Pellet cooler exhaust outlet 62 is connected with burner air inlet 51; Burner exhaust mouth 52 is connected with converter air inlet 43, and said pellet cooler 6 is provided with particle inlet of cold air 63, and burner 5 is provided with fuel inlet 53.
Gas solid separation preheating chamber 3 is made up of primary cyclone 31, secondary cyclone 35, one-level preheating chamber 32, secondary preheating chamber 33, three grades of preheating chambers 34.The hot flue gas of converter 4 gets into from bottom to top from gas solid separation preheating chamber 3 bottoms and flows; Leave fluid bed discharging opening 21 from fluid bed mixing arrangement 2 mixed lithium battery both positive and negative polarity raw materials; Get into from top to bottom from gas solid separation preheating chamber 3 tops then and flow; At first get into primary cyclone 31; Gas is discharged from the gas vent C of primary cyclone 31, and the solid mixed material gets into the one-level preheating chambers through primary cyclone solid outlet 311, one-level preheating chamber charging aperture 321 and promotes the mouths of pipe 322, the solid mixed material with the dispersion of bottom rising flue gas, suspension, preheating after; Get into secondary cyclone 35, the gas vent C that flue gas air mixed up and from fluid bed mixing arrangement 2 gets into primary cyclone 31 discharges; Solid lithium battery both positive and negative polarity raw material after preheating separates flows into one-level preheating chamber 32 a upright shoulder by secondary cyclone solid outlet 353 through one-level preheating chamber feedback outlet 323; Be scattered in preheating in the flue gas stream; Entrainmented disturbance and got into the vortex; Pushed to the reducing slope that the limit wall is deposited to one-level preheating chamber 32 bottoms by eddy flow gas; When being stacked into to a certain degree, slipping over reducing in the effect subinverse flue gas stream of gravity and fall into secondary preheating chamber 33 and continue preheatings, the solid material that fall into three grades of preheating chambers 34 then, leaves three grades of preheating chambers 34 flows into converter 4 again;
The hot flue gas of converter 4 gets into the bottom of gas solid separation preheating chambers 3 through converter charging aperture 41, three grades of preheater discharging openings 341; Hot flue gas is got into from bottom to top by gas solid separation preheating chamber 3 bottoms and flows, and gets into from top to bottom from gas solid separation preheating chamber 3 tops from fluid bed mixing arrangement 2 mixed lithium battery both positive and negative polarity raw materials and flows; Lithium battery both positive and negative polarity raw material at first gets into primary cyclone 31 through primary cyclone inlet 313, and gas is discharged from the gas vent C of primary cyclone 31; Solid material mixes through the primary cyclone solid outlet 311 entering one-level preheating chambers lifting mouths of pipe 322 and with bottom rising flue gas and disperses; Suspend; After the preheating; Get into secondary cyclone 35, the flue gas that leaves secondary cyclone 35 is through secondary cyclone gas vent 351 and primary cyclone feed back import 312, gets into primary cyclone 31 with air mixed from fluid bed mixing arrangement 2 and discharges from the gas vent C of primary cyclone 31; Solid lithium battery both positive and negative polarity raw material after preheating separates falls into one-level preheating chamber 32 by secondary cyclone solid outlet 353 through one-level preheating chamber feedback outlet 323; Be scattered in preheating in the flue gas stream; Entrainmented disturbance and got into the vortex; Pushed to the reducing slope that the limit wall is deposited to one-level preheating chamber 32 bottoms by eddy flow gas; When being stacked into to a certain degree, reducing falls into secondary preheating chamber 33, three grades of preheating chambers 34 continue preheatings because the effect subinverse flue gas stream of gravity slips over, and the solid lithium battery both positive and negative polarity raw material that leaves three grades of preheating chambers 34 gets into converters 4 through three grades of preheater discharging openings 341, converter charging aperture 41.
Embodiment 2: with particle diameter is that 0.1 ~ 100 μ m lithium carbonate and manganese dioxide add fluid bed mixing arrangement 2 by dispenser 1; To fluid bed mixing arrangement bottom B bubbling air, get into lithium carbonate and manganese dioxide fluidisation and fully mixing in fluid bed mixing arrangement 2 of fluid bed mixing arrangement 2; Lithium carbonate and manganese dioxide get into converter 4 after getting into 3 preheatings of gas solid separation preheating chamber; In converter 4, the mixture of lithium carbonate and manganese dioxide generates LiMn2O4 through reaction in 8 ~ 20 hours under 500 ~ 900 ℃ temperature; The LiMn2O4 that generates gets into pellet cooler 6; The LiMn2O4 that pellet cooler 6 generates through surface-type air heat exchange cooling; Fuel and from the hot-air of pellet cooler 6 in burner 5 with fuel combustion; Flue gas gets into converter 4 and keeps the reaction temperature in the converter; The flue gas that leaves converter 4 gets into cooling in the gas solid separation preheating chamber 3; And preheating lithium carbonate and manganese dioxide compound, the entrained solid particle captures in gas solid separation preheating chamber 3 in the flue gas, and flue gas is then discharged through the gas vent C of primary cyclone 31.
Embodiment 3: with particle diameter is that 0.1 ~ 100 μ m lithium carbonate, ferric phosphate (or ferrous phosphate) add fluid bed mixing arrangement 2 by dispenser 1; To fluid bed mixing arrangement bottom B bubbling air, get into lithium carbonate, ferric phosphate (or ferrous phosphate) fluidisation and fully mixing in the fluid bed mixing arrangement of fluid bed mixing arrangement 2; Lithium carbonate, ferric phosphate (or ferrous phosphate) get into converter 4 after getting into the 3 preheating sedimentations of gas solid separation preheating chamber; In converter 4, the mixture of lithium carbonate and ferric phosphate (or ferrous phosphate) generates LiFePO4 through reaction in 8 ~ 20 hours under 500 ~ 900 ℃ temperature; The LiFePO4 that generates gets into pellet cooler 6; The LiFePO4 that pellet cooler 6 generates through surface-type air heat exchange cooling; Fuel and from the hot-air of pellet cooler 6 in burner 5 with the import fuel combustion; Flue gas gets into converter 4 and keeps the reaction temperature in the converter; The flue gas that leaves converter 4 gets into cooling in the gas solid separation preheating chamber 3; And the mixed material of preheating lithium carbonate, ferric phosphate (or ferrous phosphate), the entrained solid particle captures in gas solid separation preheating chamber 3 in the flue gas, and flue gas is then discharged through the gas vent C of primary cyclone 31.
Embodiment 4: with particle diameter is that 0.1 ~ 100 μ m lithium carbonate, Ni-oxygenatedchemicals, Co-oxygenatedchemicals, Mn-oxygenatedchemicals etc. add fluid bed mixing arrangement 2 by dispenser 1; To fluid bed mixing arrangement bottom B bubbling air, fluidisation and fully mixing in fluid bed mixing arrangement 2 such as the lithium carbonate of entering fluid bed mixing arrangement 2, Ni-oxygenatedchemicals, Co-oxygenatedchemicals, Mn-oxygenatedchemicals; Lithium carbonate, Ni-oxygenatedchemicals, Co-oxygenatedchemicals, Mn-oxygenatedchemicals etc. get into converter 4 after getting into 3 preheatings of gas solid separation preheating chamber; In converter 4, the mixture of lithium carbonate, Ni-oxygenatedchemicals, Co-oxygenatedchemicals, Mn-oxygenatedchemicals etc. generates ternary form anode material of lithium battery LiNi through reaction in 8 ~ 20 hours under 500 ~ 900 ℃ temperature
xCo
yMn
(1-x-y)O
2The ternary material that generates gets into pellet cooler 6; The ternary material that pellet cooler 6 generates through surface-type air heat exchange cooling; Fuel and from the hot-air of pellet cooler 6 in burner 5 with the import fuel combustion; Flue gas gets into converter 4 and keeps the reaction temperature in the converter 4; The flue gas that leaves converter 4 gets into gas solid separation preheating chamber 3; The entrained solid particle captures in gas solid separation preheating chamber 3 in the flue gas, and flue gas is then discharged through the gas vent C of primary cyclone 31.
Embodiment 5: the oxygenatedchemicals etc. that with particle diameter is 0.1 ~ 100 μ m lithium carbonate, titanium adds fluid bed mixing arrangement 2 by dispenser 1; To fluid bed mixing arrangement bottom B bubbling air, get into fluidisation and fully mixing in fluid bed mixing arrangement 2 such as the lithium carbonate of fluid bed mixing arrangement 2, the oxygenatedchemicals of titanium; The oxygenatedchemicalss of lithium carbonate, titanium etc. get into converter 4 after getting into 3 preheatings of gas solid separation preheating chamber; In converter 4, the mixture of the oxygenatedchemicals of lithium carbonate, titanium etc. generates the lithium titanate lithium cell cathode material through reaction in 8 ~ 20 hours under 500 ~ 900 ℃ temperature; The lithium titanate material that generates gets into pellet cooler 6; The lithium titanate material that pellet cooler 6 generates through surface-type air heat exchange cooling; Fuel and from the hot-air of pellet cooler 6 in burner 5 with the import fuel combustion; Flue gas gets into converter 4 and keeps the reaction temperature in the converter 4; The flue gas that leaves converter 4 gets into gas solid separation preheating chamber 3; The entrained solid particle captures in gas solid separation preheating chamber 3 in the flue gas, and flue gas is then discharged through the gas vent C of primary cyclone 31.
Embodiment 6: with particle diameter is that the oxide of 0.1 ~ 100 μ m lithium carbonate, cobalt is (like cobalt carbonate CoCO
3, basic cobaltous carbonate 2CoCO
33Co (OH)
23H
2O, cobalt protoxide CoO, cobalt oxide Co
2O
3Or Co
3O
4Deng) etc. add fluid bed mixing arrangement 2 by dispenser 1, to fluid bed mixing arrangement bottom B bubbling air, the oxide of lithium carbonate, cobalt that gets into fluid bed mixing arrangement 2 is (like cobalt carbonate CoCO
3, basic cobaltous carbonate 2CoCO
33Co (OH)
23H
2O, cobalt protoxide CoO, cobalt oxide Co
2O
3Or Co
3O
4Deng) etc. in the fluid bed mixing arrangement fluidisation and fully mixing; The oxide of lithium carbonate, cobalt is (like cobalt carbonate CoCO
3, basic cobaltous carbonate 2CoCO
33Co (OH)
23H
2O, cobalt protoxide CoO, cobalt oxide Co
2O
3Or Co
3O
4Deng) etc. get into converter 4 after getting into 3 preheatings of gas solid separation preheating chamber; In converter 4, the oxide of lithium carbonate, cobalt is (like cobalt carbonate CoCO
3, basic cobaltous carbonate 2CoCO
33Co (OH)
23H
2O, cobalt protoxide CoO, cobalt oxide Co
2O
3Or Co
3O
4Deng) etc. mixture under 500 ~ 900 ℃ temperature, generate cobalt acid lithium anode material of lithium battery through reaction in 8 ~ 20 hours; The cobalt acid lithium material that generates gets into pellet cooler 6; The cobalt acid lithium material that pellet cooler 6 generates through surface-type air heat exchange cooling; Fuel and from the hot-air of pellet cooler 6 in burner 5 with the import fuel combustion; Flue gas gets into converter 4 and keeps the reaction temperature in the converter 4; The flue gas that leaves converter 4 gets into gas solid separation preheating chamber 3; The entrained solid particle captures in gas solid separation preheating chamber 3 in the flue gas, and flue gas is then discharged through the gas vent C of primary cyclone 31.
Claims (3)
1. the converter formula process units of a lithium battery positive and negative pole material is characterized in that, comprises dispenser (1), fluid bed mixing arrangement (2), gas solid separation preheating chamber (3), converter (4), burner (5) and pellet cooler (6);
Said gas solid separation preheating chamber (3) comprises primary cyclone (31), secondary cyclone (35); And the one-level preheating chamber (32), secondary preheating chamber (33) and the three grades of preheating chambers (34) that connect successively; Primary cyclone solid outlet (311) is connected with one-level preheating chamber charging aperture (321); Primary cyclone feed back import (312) is connected with secondary cyclone gas vent (351); Secondary cyclone charging aperture (352) promotes the mouth of pipe (322) with the one-level preheating chamber and is connected, and secondary cyclone solid outlet (353) is connected with one-level preheating chamber feedback outlet (323);
Said dispenser (1) is connected with the lower end of fluid bed mixing arrangement (2); The bottom of said fluid bed mixing arrangement (2) is provided with fluid bed air inlet (B); The upper end of fluid bed mixing arrangement (2) is provided with fluid bed discharging opening (21), and said fluid bed discharging opening (21) is connected with primary cyclone charging aperture (313); Three grades of preheating chamber discharging openings (341) are connected with converter charging aperture (41); Converter discharging opening (42) is connected with pellet cooler charging aperture (61); Pellet cooler exhaust outlet (62) is connected with burner air inlet (51); Burner exhaust mouth (52) is connected with converter air inlet (43), and said pellet cooler (6) is provided with particle inlet of cold air (63), and said burner (5) is provided with fuel inlet (53).
2. the converter formula process units of lithium battery positive and negative pole material according to claim 1 is characterized in that, said converter (4) is tilts to place, and the height of converter charging aperture (41) is higher than the height of discharging opening (42).
3. the converter formula process units of lithium battery positive and negative pole material according to claim 1 is characterized in that, pellet cooler (6) adopts the surface-type air cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201534017U CN202616341U (en) | 2012-04-12 | 2012-04-12 | Revolving furnace-type production device for anode and cathode materials of lithium batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201534017U CN202616341U (en) | 2012-04-12 | 2012-04-12 | Revolving furnace-type production device for anode and cathode materials of lithium batteries |
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| Publication Number | Publication Date |
|---|---|
| CN202616341U true CN202616341U (en) | 2012-12-19 |
Family
ID=47350011
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201534017U Withdrawn - After Issue CN202616341U (en) | 2012-04-12 | 2012-04-12 | Revolving furnace-type production device for anode and cathode materials of lithium batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202616341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637856A (en) * | 2012-04-12 | 2012-08-15 | 东南大学 | Converter type production process and device of lithium battery positive/negative electrode material |
-
2012
- 2012-04-12 CN CN2012201534017U patent/CN202616341U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637856A (en) * | 2012-04-12 | 2012-08-15 | 东南大学 | Converter type production process and device of lithium battery positive/negative electrode material |
| CN102637856B (en) * | 2012-04-12 | 2014-02-05 | 东南大学 | Converter type production process and device of lithium battery positive/negative electrode material |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20140205 |
|
| RGAV | Abandon patent right to avoid regrant |