CN105777090A - Sagger with coatings capable of resisting high-temperature lithium battery corrosion and method for preparing sagger - Google Patents
Sagger with coatings capable of resisting high-temperature lithium battery corrosion and method for preparing sagger Download PDFInfo
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- CN105777090A CN105777090A CN201610159837.XA CN201610159837A CN105777090A CN 105777090 A CN105777090 A CN 105777090A CN 201610159837 A CN201610159837 A CN 201610159837A CN 105777090 A CN105777090 A CN 105777090A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention relates to sagger with coatings capable of resisting high-temperature lithium battery corrosion and a method for preparing the sagger, and belongs to the field of refractory materials. Thesagger with the coatings capable of resisting high-temperature lithium battery corrosion comprises a sagger blank, and is characterized in that a layer of glaze with the coatings capable of resisting high-temperature lithium battery corrosion is impregnated on the surface of the sagger blank, and then the sagger blank is baked in a high-temperature furnace to obtain the sagger; the glaze with the coatings capable of resisting high-temperature lithium battery corrosion comprises dry materials and solvents which are mixed with one another, and the solid content of the glaze is 30-40vol%; the dry materials comprise, by weight, 20-50% of Al2O3, 20-50% of SiO2, 15-35% of ZrO2, 10-25% of MgO and 5-16% of Li2O. Micro-powder is further added into the sagger blank, and the weight percentage of the micro-powder is 2-10%; the micro-powder comprises one of andalusite, kyanite and sillimanite or mixture of more than two of the andalusite, the kyanite and the sillimanite. The sagger has the advantage that erosion of the sagger due to lithium ion solution can be effectively prevented.
Description
Technical field
The present invention relates to a kind of saggar with anti-lithium battery high temperature corrosion coating and preparation method thereof, belong to fire resisting material field.
Background technology
The fewest currently for the research in terms of anti-lithium battery high temperature corrosion saggar.Existing relevant saggar container material is the most not
Coming stone, cordierite-base refractory material, its key component has Al2O3、SiO2, MgO etc..Due to its saggar reasons in structure and material
Constitute reason, in sintering process, easily with the corrosion behavior such as lithium battery material interpenetrates, reaction, it is impossible to good
The erosion of opposing lithium solution, makes saggar container shortening in service life.
Summary of the invention
The present invention needs the problem solved to be to provide a kind of saggar with anti-lithium battery high temperature corrosion coating and preparation method thereof, can
Effectively stop the erosion to saggar of the lithium solution.
In order to solve the problems referred to above, the present invention is addressed by following technical proposals: one has anti-lithium battery high temperature corrosion and is coated with
The saggar of layer, including saggar body (container carrier)；It is characterized in that: the surface impregnation of saggar body one layer has anti-lithium electricity
The glaze of pond high temperature corrosion coating, is then fired into saggar in high temperature furnace；
The described glaze with anti-lithium battery high temperature corrosion coating is mixed by dry material and solvent, and the solids content of glaze is
30-40vol%；Dry material forms and mass percent is: Al2O3: 20～50%, SiO2: 20～50%, ZrO2: 15～35%,
MgO:10～25%, Li2O:5～16%.
One of following three kinds of material employing of described saggar body:
1. the material of saggar body is made up of mullite and micro mist, and mass percent shared by micro mist is: 2～10% (mullite 90～
98%)；Described micro mist be andalusite, kyanite (general little kyanite, because it is in about 1200 DEG C, thermal coefficient of expansion
Excessive), one or two or more kinds in sillimanite be by the mixture of any proportioning；
2. the material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 2～10% (cordierite 90～
98%)；Described micro mist be one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning；
3. the material of saggar body is made up of mullite, cordierite and micro mist, and each material quality percentage is: mullite 20%～
30%, cordierite 60%～70%, micro mist: 2～10%；Described micro mist be the one in andalusite, kyanite, sillimanite or
More than two kinds by the mixture of any proportioning.
Described solvent is water.
The thickness of the glaze that the surface impregnation of described saggar body one layer has anti-lithium battery high temperature corrosion coating is 2-3mm.
The preparation method of above-mentioned a kind of saggar with anti-lithium battery high temperature corrosion coating, it is characterised in that comprise the steps:
1) by one of following three kinds, the material of saggar body is chosen:
1. the material of saggar body is made up of mullite and micro mist, and mass percent shared by micro mist is: 2～10%；Described micro mist
For one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning；
2. the material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 2～10%；Described micro mist
For one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning；
3. the material of saggar body is made up of mullite, cordierite and micro mist, and each material quality percentage is: mullite 20%～
30%, cordierite 60%～70%, micro mist: 2～10%；Described micro mist be the one in andalusite, kyanite, sillimanite or
More than two kinds by the mixture of any proportioning；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 20～50%, SiO2: 20～50%, ZrO2: 15～35%, MgO:10～
25%, Li2O:5～16%, chooses the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Each oxide mass percentage of described cordierite is: MgO 3%-20%, Al2O32%-30%, SiO230%-70%, each oxygen
Compound mass percent sum is 100%.
Each oxide mass percentage of described mullite is: Al2O340%-80%, SiO220%-60%.
The present invention, by improveing the constituent of saggar, reduces the erosion that its reasons in structure band causes.Meanwhile, by dipping technique,
By coating a floor height thermo-paint (there is the glaze of anti-lithium battery high temperature corrosion coating) at saggar inwall, through high temperature by interior
Wall capillary percolation and subsurface enamel form anti-highly basic high temperature erosion coating (having anti-lithium battery high temperature corrosion coating).Surface glaze
Layer i.e. reduces the impact on product, also reduces the product corrosion to saggar simultaneously, thus improves the service life of saggar.
Beneficial effects of the present invention: 1, glaze impregnated in the surface of saggar body, by inwall capillary percolation and subsurface enamel
Forming anti-lithium battery high temperature corrosion coating, the dipping of the material with anti-lithium battery high temperature corrosion coating makes lithium ion material with fire-resistant
Material saggar is isolated, and prevents it to interpenetrate so that the service life of refractory material substantially gets a promotion, can several times of raising kilns
Have service life, manufacturing cost is greatly reduced for user.
2, the addition of andalusite, kyanite, sillimanite etc. reduces the shortcoming that the reheating of saggar is shunk, and makes the quality of matrix obtain
To promoting, improve the service life of saggar.
3, cordierite phase and the combination (i.e. containing cordierite phase and mullite phase in saggar body) of mullite phase, make cordierite
Heat endurance and the high temperature resistant of mullite combine, and improve matrix quality, improve the saggar life-span.
Detailed description of the invention
In order to be more fully understood that the present invention, it is further elucidated with present disclosure below in conjunction with embodiment, but present disclosure is not
It is limited only to the following examples.
Embodiment 1
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 7%, cordierite 93%；Described
Micro mist be andalusite；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 25%, SiO2: 25%, ZrO2: 20%, MgO:25%, Li2O:5%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Embodiment 2
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 7%, cordierite 93%；Described
Micro mist be andalusite；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 24%, SiO2: 24%, ZrO2: 19%, MgO:24%, Li2O:9%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Embodiment 3
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 7%, cordierite 93%；Described
Micro mist be andalusite；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 20%, SiO2: 20%, ZrO2: 30%, MgO:25%, Li2O:5%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Embodiment 4
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 9%, cordierite 91%；Described
Micro mist be andalusite；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 20%, SiO2: 20%, ZrO2: 35%, MgO:20%, Li2O:5%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Embodiment 5
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 9%, cordierite 91%；Described
Micro mist be sillimanite；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 25%, SiO2: 25%, ZrO2: 25%, MgO:20%, Li2O:5%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Embodiment 6
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of mullite and micro mist, and mass percent shared by micro mist is: 2%, mullite 98%；Described
Micro mist be andalusite；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 50%, SiO2: 20%, ZrO2: 15%, MgO:10%, Li2O:5%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Embodiment 7
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of mullite and micro mist, and mass percent shared by micro mist is: 10%, mullite 90%；Institute
The micro mist stated is sillimanite；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 20%, SiO2: 50%, ZrO2: 15%, MgO:10%, Li2O:5%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Embodiment 8
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of mullite, cordierite and micro mist, and each material quality percentage is: mullite 20%, violet
Green stone 70%, micro mist: 10%；Described micro mist is andalusite；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 39%, SiO2: 20%, ZrO2: 15%, MgO:10%, Li2O:16%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Embodiment 9
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, comprises the steps:
1) by the following material choosing saggar body:
The material of saggar body is made up of mullite, cordierite and micro mist, and each material quality percentage is: mullite 30%, violet
Green stone 68%, micro mist: 2%；Described micro mist is that the quality of andalusite and sillimanite, andalusite and sillimanite respectively accounts for 1/2；
2) being added water by the material of saggar body, controlling water content is 9～11wt% (taking half dry pressing), is then laid in mould
In, under the conditions of 50～250MPa, swaging becomes saggar body (green compact) altogether；
3) by composition and mass percent it is: Al2O3: 30%, SiO2: 30%, ZrO2: 15%, MgO:15%, Li2O:10%,
Choose the dry material with anti-lithium battery high temperature corrosion coating；
It is joining of 30-40vol% by there is the dry material of anti-lithium battery high temperature corrosion coating with solvent (employing water) by solids content
Than mixing, making glaze (stirring into glaze slip through ball mill), glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate,
1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate, at 1450 DEG C
Lower insulation 3h, during cooling, starts speed slowly, and later stage speed is fast, obtains the saggar with anti-lithium battery high temperature corrosion coating.
Saggar bulk density 2.0-2.2g/cm3, the coefficient of expansion, when 1000 DEG C, is 4 × 10-5, during uncoated corrosion resistant coating,
Product recycles number of times one to twice and will be corroded by cobalt acid lithium, occur skinning, permeate, the phenomenon such as cracking.Coating has anti-
After the glaze of lithium battery high temperature corrosion coating, product recycles number of times and can reach about 20 times, is using about 15 times,
Can observe the cobalt acid lithium phenomenon of osmosis to glaze layer, color can change.
Claims (7)
1. there is a saggar for anti-lithium battery high temperature corrosion coating, including saggar body；It is characterized in that: the surface impregnation of saggar body one layer has the glaze of anti-lithium battery high temperature corrosion coating, is then fired into saggar in high temperature furnace；
The described glaze with anti-lithium battery high temperature corrosion coating is mixed by dry material and solvent, and the solids content of glaze is 30-40vol%；Dry material forms and mass percent is: Al2O3: 20～50%, SiO2: 20～50%, ZrO2: 15～35%, MgO:10～25%, Li2O:5～16%.
A kind of saggar with anti-lithium battery high temperature corrosion coating the most according to claim 1, it is characterised in that: one of following three kinds of material employing of described saggar body:
1. the material of saggar body is made up of mullite and micro mist, and mass percent shared by micro mist is: 2～10%；Described micro mist be one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning；
2. the material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 2～10%；Described micro mist be one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning；
3. the material of saggar body is made up of mullite, cordierite and micro mist, and each material quality percentage is: mullite 20%～30%, cordierite 60%～70%, micro mist: 2～10%；Described micro mist be one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning.
A kind of saggar with anti-lithium battery high temperature corrosion coating the most according to claim 1, it is characterised in that: described solvent is water.
A kind of saggar with anti-lithium battery high temperature corrosion coating the most according to claim 1, it is characterised in that: the thickness of the glaze that the surface impregnation of described saggar body one layer has anti-lithium battery high temperature corrosion coating is 2-3mm.
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating, it is characterised in that comprise the steps:
1) by one of following three kinds, the material of saggar body is chosen:
1. the material of saggar body is made up of mullite and micro mist, and mass percent shared by micro mist is: 2～10%；Described micro mist be one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning；
2. the material of saggar body is made up of cordierite and micro mist, and mass percent shared by micro mist is: 2～10%；Described micro mist be one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning；
3. the material of saggar body is made up of mullite, cordierite and micro mist, and each material quality percentage is: mullite 20%～30%, cordierite 60%～70%, micro mist: 2～10%；Described micro mist be one or two or more kinds in andalusite, kyanite, sillimanite by the mixture of any proportioning；
2) being added water by the material of saggar body, controlling water content is 9～11wt%, is then laid in mould, and under the conditions of 50～250MPa, swaging becomes saggar body altogether；
3) by composition and mass percent it is: Al2O3: 20～50%, SiO2: 20～50%, ZrO2: 15～35%, MgO:10～25%, Li2O:5～16%, chooses the dry material with anti-lithium battery high temperature corrosion coating；
Being mixed by the proportioning that solids content is 30-40vol% with solvent by the dry material with anti-lithium battery high temperature corrosion coating, make glaze, glaze impregnated in the surface of saggar body, and thickness is 2-3mm；
4) burn under air atmosphere in high temperature furnace to 1450 DEG C, be incubated 3h, obtain the saggar with anti-lithium battery high temperature corrosion coating.
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating the most according to claim 5, it is characterised in that: described solvent is water.
The preparation method of a kind of saggar with anti-lithium battery high temperature corrosion coating the most according to claim 5, it is characterized in that, in step 4: in the range of heating rate is 0-400 DEG C, 1 DEG C/min of heating rate, 1.5 DEG C/min of heating rate in the range of 400-1200 DEG C, in the range of 1200-1450 DEG C, 1 DEG C/min of heating rate.
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| CN201610159837.XA CN105777090A (en) | 2016-03-21 | 2016-03-21 | Sagger with coatings capable of resisting high-temperature lithium battery corrosion and method for preparing sagger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159837.XA CN105777090A (en) | 2016-03-21 | 2016-03-21 | Sagger with coatings capable of resisting high-temperature lithium battery corrosion and method for preparing sagger |
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| CN106946553A (en) * | 2017-04-01 | 2017-07-14 | 武汉理工大学 | A kind of ceramic saggar of low-cost long-life and preparation method thereof |
| CN107266059A (en) * | 2017-07-17 | 2017-10-20 | 衡东县东康瓷业有限公司 | A kind of modified form saggar and preparation method thereof |
| CN107382298A (en) * | 2017-07-19 | 2017-11-24 | 宜兴市锦泰耐火材料有限公司 | Battery material roasting saggar and preparation method thereof |
| CN108373324A (en) * | 2018-03-28 | 2018-08-07 | 广东山摩新材料科技有限公司 | A kind of lightweight saggar and preparation method thereof for anode material of lithium battery roasting |
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| CN113773067A (en) * | 2021-11-11 | 2021-12-10 | 长沙中瓷新材料科技有限公司 | Sagger based on cordierite and production process thereof |
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| CN107266059A (en) * | 2017-07-17 | 2017-10-20 | 衡东县东康瓷业有限公司 | A kind of modified form saggar and preparation method thereof |
| CN107382298A (en) * | 2017-07-19 | 2017-11-24 | 宜兴市锦泰耐火材料有限公司 | Battery material roasting saggar and preparation method thereof |
| CN108373324B (en) * | 2018-03-28 | 2020-05-22 | 广东山摩新材料科技有限公司 | Light sagger for roasting lithium battery anode material and preparation method thereof |
| CN108373324A (en) * | 2018-03-28 | 2018-08-07 | 广东山摩新材料科技有限公司 | A kind of lightweight saggar and preparation method thereof for anode material of lithium battery roasting |
| CN109467422A (en) * | 2018-04-20 | 2019-03-15 | 湖南德景源科技有限公司 | Dedicated high circulation special cermacis crucible of a kind of lithium electricity and preparation method thereof |
| CN108911742A (en) * | 2018-08-07 | 2018-11-30 | 佛山市骏美特种陶瓷有限公司 | Saggar high corrosion resistance coating and its application method |
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| CN109320222A (en) * | 2018-11-09 | 2019-02-12 | 洛阳索莱特材料科技有限公司 | A kind of preparation method of dichroite-mullite ceramics saggar |
| CN110282964A (en) * | 2019-06-20 | 2019-09-27 | 武汉科技大学 | Mullite-cordierite matter anode material of lithium battery sintering saggar and preparation method thereof |
| CN110540418A (en) * | 2019-09-20 | 2019-12-06 | 湖南金铠新材料科技有限公司 | Sagger special for sintering lithium battery positive electrode material and preparation method thereof |
| CN110746805A (en) * | 2019-10-25 | 2020-02-04 | 山东友邦科思茂新材料有限公司 | Coating for lithium ion battery anode material sintering saggar and preparation method thereof |
| CN110746805B (en) * | 2019-10-25 | 2022-04-01 | 山东友邦科思茂新材料有限公司 | Coating for lithium ion battery anode material sintering saggar and preparation method thereof |
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| CN112094127A (en) * | 2020-09-25 | 2020-12-18 | 南阳开元高温新材料有限公司 | Manufacturing process of kyanite tailing series sagger |
| CN112094127B (en) * | 2020-09-25 | 2023-02-28 | 南阳开元高温新材料有限公司 | Manufacturing process of kyanite tailing series sagger |
| CN112537967A (en) * | 2020-12-07 | 2021-03-23 | 合肥融捷能源材料有限公司 | Sagger repairing material for lithium ion battery anode material production and repairing method thereof |
| CN113773067A (en) * | 2021-11-11 | 2021-12-10 | 长沙中瓷新材料科技有限公司 | Sagger based on cordierite and production process thereof |
| CN113773067B (en) * | 2021-11-11 | 2022-01-18 | 长沙中瓷新材料科技有限公司 | Sagger based on cordierite and production process thereof |
| CN114230371A (en) * | 2021-11-26 | 2022-03-25 | 汉川市石金科技有限公司 | Composite coating for improving corrosion resistance of sagger surface and prolonging service life |
| CN115286430A (en) * | 2022-08-16 | 2022-11-04 | 广东邦普循环科技有限公司 | Sagger repairing slurry, preparation method thereof, sagger and sagger repairing method |
| WO2024036908A1 (en) * | 2022-08-16 | 2024-02-22 | 广东邦普循环科技有限公司 | Sagger repair slurry and preparation method therefor, saggar, and sagger repair method |
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