KR20230067990A - Electrolyte sintering apparatus for all-solid-state battery - Google Patents

Abstract

The present invention relates to an electrolyte sintering apparatus for an all-solid-state battery. A glove box in a moisture-free and oxygen-free environment is designed, an electrolyte sintering apparatus is installed inside, and a rotary sintering tube is moved to the electrolyte sintering apparatus using a hoist, so that a solid electrolyte is sintered in a moisture-free and oxygen-free state and the sintered solid electrolyte can be discharged through a chamber provided outside.

Description

Electrolyte sintering device for all-solid-state batteries {ELECTROLYTE SINTERING APPARATUS FOR ALL-SOLID-STATE BATTERY}

The present invention relates to an electrolytic sintering apparatus for an all-solid-state battery, and more particularly, by designing a glove box in a water-free and oxygen-free environment, having an electrolytic sintering apparatus therein, and using a hoist to heat a rotary sintering tube to the electrolytic sintering apparatus. It relates to an electrolyte sintering device for an all-solid-state battery, which sinters the solid electrolyte in an anhydrous and oxygen-free state, and allows the solid electrolyte to be shipped through a chamber provided outside.

Recently, as batteries used mainly in small IT devices such as smartphones and laptops are expanding to electric vehicles, energy storage systems (ESS), and electric equipment, the demand for high-capacity, high-energy density batteries is increasing, and the development of all-solid-state batteries is leading to

All-solid-state batteries are highly likely to be applied as power sources for portable electric devices, electric vehicles, and energy storage systems because it is easy to achieve a high energy density of the battery, such as using lithium metal, by using a solid electrolyte that can fundamentally secure stability.

The all-solid-state battery is a battery that replaces the liquid electrolyte used in lithium secondary batteries with a solid one, and does not use a flammable solvent in the battery, so there is no ignition or explosion caused by the decomposition reaction of the conventional electrolyte solution. As a result, safety can be greatly improved.

Currently, the most developed solid electrolyte is a sulfide-based solid electrolyte, and materials with ion conductivity close to that of organic electrolytes have been developed.

However, since the sulfide-based solid electrolyte is very sensitive to oxygen and moisture, the sintering process must be performed in an environment in which oxygen and moisture are blocked.

However, it is known that sulfide-based solid electrolytes contain elemental phosphorus (P) and react with moisture and oxygen in the air to rapidly deteriorate performance. As a result, there is a problem of safety and stability because the storability in the air is lowered, there is difficulty in handling, and toxic gases such as hydrogen sulfide are generated by reacting with water.

In particular, the existing sintering device was likely to be exposed to moisture or oxygen while going through a process such as powder injection, sintering, and sintered powder recovery.

Therefore, in the present invention, a glove box in a moisture-free and oxygen-free environment is designed, a sintering device is provided therein, and a solid electrolyte is moved from the glove box to the sintering device through a rotary sintering tube to perform sintering in a moisture-free and oxygen-free state. We would like to suggest what can be done.

Next, the prior inventions existing in the technical field of the present invention will be briefly described, and then the technical details to be achieved by the present invention to be differentiated from the prior inventions will be described.

First, Korean Patent Publication No. 2021-0029379 (2021.03.16.) relates to a glove box system and method for producing a solid electrolyte for an all-solid-state battery, a solid for an all-solid-state battery that reacts sensitively to moisture (H2O) and oxygen (O2). It is a prior invention related to a glove box system for producing a solid electrolyte for an all-solid-state battery that can be manufactured in a state where the electrolyte is blocked from contact with moisture and oxygen.

That is, Korean Patent Publication No. 2021-0029379 discloses that a solid electrolyte for an all-solid-state battery can be manufactured in a state in which contact is blocked from moisture and oxygen, and harmful gases that may occur during the manufacturing process are discharged to the outside and workers are imprisoned (odor transmission). It describes a system that blocks

However, the present invention is to move a rotary sinter tube equipped with a solid electrolyte inside a sintering device provided in a glove box, and rotate the rotary sinter tube to enable uniform sintering in a water-free and oxygen-free state. , The Korean Patent Publication No. 2021-0029379 and the present invention have significant structural differences.

In addition, Korean Patent Registration No. 2247356 (2021.04.30.) relates to a solid electrolyte manufacturing apparatus and manufacturing method, a sealed box; A motor located in the sealed box and generating rotational power; and a drum rotated by receiving rotational power from the motor, wherein the drum is a prior invention related to a solid electrolyte manufacturing apparatus in which the number of revolutions is increased while carrying out a plurality of predetermined steps to receive the composition and pulverize the composition. .

That is, Korean Patent Registration No. 2247356 discloses a device for producing a solid electrolyte at low cost by providing a separate closed space and operating the device inside the closed space, and effectively pulverizing and mixing the composition during electrolyte manufacturing, and the same method is described.

On the other hand, the present invention is to move a rotary sintering tube equipped with a solid electrolyte to a sintering device provided in a glove box so that sintering can be performed in a water-free and oxygen-free state. The difference in technical configuration is evident.

The present invention was created to solve the above problems, designing a glove box in a moisture-free and oxygen-free environment, and providing an electrolytic sintering device inside the glove box to perform sintering in a moisture-free and oxygen-free state. It is an object of the present invention to provide an electrolytic sintering device for an all-solid-state battery.

In addition, the present invention is to provide an electrolyte sintering device for an all-solid-state battery in which a rotary sintering tube containing a solid electrolyte is moved to the electrolytic sintering device using a hoist in the glove box to be sintered in a water-free and oxygen-free state. for a different purpose.

In addition, another object of the present invention is to provide an electrolyte sintering device for an all-solid-state battery that allows the solid electrolyte, after which the sintering operation has been completed, to be shipped through a chamber provided outside the glove box.

An electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention includes a glove box equipped with a window and a working glove on the front side; an electrolyte sintering unit installed inside the glove box and supplying heat to the rotary sintering tube having electrolyte powder therein to perform sintering; and a hoist installed inside the glove box and transporting the rotary sinter tube to discharge the sintered electrolyte powder to the outside.

In addition, the glove box is a space in which the preparation of electrolyte powder to be sintered and the sintering process is performed, and the control module operates a purification system and a circulation system to remove moisture and oxygen to form an interior space in a water-free and oxygen-free environment. It is characterized by doing.

In addition, the electrolyte sintering unit, the base frame for supporting the electrolyte sintering unit; a housing provided with an insertion space into which the rotatable sinter tube is inserted and a heating unit supplying heat to the rotatable sinter tube; And a rotation drive unit for rotating the rotatable sinter tube based on the control of the control module; including, by the heat supplied from the heating unit through the rotation of the rotatable sinter tube by the rotation drive unit of the rotation type sinter tube It is characterized in that the electrolyte powder provided therein is uniformly sintered.

In addition, the housing includes an upper housing provided with an insertion space into which one side of the rotary sinter tube is inserted and a heating unit for supplying heat to the rotary sinter tube; a lower housing provided with an insertion space into which the other side of the rotary sinter tube is inserted and a heating unit supplying heat to the rotary sinter tube; an opening and closing portion formed on one side to open the upper housing by lifting it upward; and a coupling member that hinge-couples one side of the upper housing and the lower housing.

In addition, the electrolytic sintering part further includes a fixing part for fixing the rotatable sintered tube inserted between the upper housing and the lower housing from both sides, and the fixing part is along the guide rail provided on the upper part of the base frame. It is characterized in that it is moved to fix both ends of the rotary sintered tube.

In addition, the hoist may include a coupling body coupled to a guide rail installed on an inner upper surface of the glove box; a pair of gripping parts disposed at a predetermined interval; and a wire connecting the pair of gripping parts and the coupling body to elevate the pair of gripping parts.

In addition, the hoist moves left and right along the guide rail under the control of the control module, and simultaneously lowers the wires respectively connected to the pair of gripping parts from the upper part of the place where the rotary sinter tube is located to lower the pair of The holding part grips the rotary sinter tube, raises the gripped rotary sinter tube, moves left and right to move to the discharge position, and differently adjusts the lifting and lowering of the pair of wires to perform the rotational sintering tube. Characterized in that it further comprises allowing the electrolyte powder contained in the tube to be discharged to the outside.

In addition, the electrolytic sintering apparatus for an all-solid-state battery is installed outside one side of the glove box, supplies equipment or materials necessary for sintering to the inside of the glove box, and a first chamber for discharging sintered electrolyte powder to the outside. ; and a second chamber installed outside one side of the glove box and serving as a passage through which tools or small materials are transferred into the glove box, wherein the first chamber is larger than the second chamber. to be

In addition, a method of configuring an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention includes forming a glove box having a window and a working glove on the front side; Forming an electrolyte sintering unit to sinter by supplying heat to a rotary sintering tube having an electrolyte powder therein; Forming a hoist to transfer the rotary sintered tube to discharge the sintered electrolyte powder to the outside; forming at least one chamber for supplying equipment or materials necessary for sintering to the inside of the glove box and discharging the sintered electrolyte powder to the outside; And installing the formed electrolytic sintering part on the inner bottom surface of the glove box, installing the formed hoist on the inner upper surface of the glove box, and installing the formed at least one chamber outside one side of the glove box, , Completing an electrolytic sintering device for an all-solid-state battery; characterized in that it comprises a.

In addition, forming the electrolyte sintered unit may include forming a base frame supporting the electrolyte sintered unit; Forming a housing having an insertion space into which a rotary sinter tube is inserted and a heating unit supplying heat to the rotary sinter tube; Forming a fixing part for fixing the rotatable sintered tube mounted in the insertion space; Forming a rotational driving unit for rotating a rotational type sintered tube mounted in the insertion space; and coupling the formed housing, the fixing part, and the rotary driving part to the upper part of the base frame.

In addition, forming the hoist may include forming a coupling body, a pair of gripping parts, and a wire, respectively; And coupling the coupling body to the guide rail installed on the inner upper surface of the glove box, connecting a pair of gripping parts to the coupling body at a predetermined interval, and coupling between the pair of gripping units and the coupling body with a wire. It is characterized in that it includes; the step of doing.

As described above, according to the electrolytic sintering apparatus for an all-solid-state battery of the present invention, a glove box in a water-free and oxygen-free environment is designed and a sintering apparatus is provided therein, and the solid electrolyte is discharged into the glove box through a rotary sintering tube. By moving to a sintering device to be sintered in a water-free and oxygen-free state, there is an effect of implementing a sintering process at a uniform temperature while controlling contact with moisture or oxygen.

In addition, the present invention has the effect of ensuring uniformity during sintering of the solid electrolyte by performing uniform temperature transfer to the solid electrolyte provided therein by rotating the rotary sintering tube.

1 is a diagram showing the overall configuration of an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention.
2 is a view showing the configuration of an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention in a state in which the front side is open.
3 is a view for explaining the configuration of a moisture-free oxygen-free environment of a glove box applied to an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention.
4 is a view for explaining a sintering process of an electrolyte for an all-solid-state battery according to the prior art and a process for sintering an electrolyte for an all-solid-state battery applied to the present invention.
5 is a view showing in detail the configuration of an electrolyte sintering unit according to an embodiment of the present invention.
6 is a time-sequential view of an entire process using an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention.
7 is a flowchart showing in detail the process of a method for configuring an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention.
8 is a flowchart showing in detail the construction process of an electrolyte sintering unit according to an embodiment of the present invention.
9 is a flowchart showing in detail the configuration process of the hoist according to an embodiment of the present invention.

Hereinafter, a preferred embodiment of the electrolytic sintering apparatus for an all-solid-state battery of the present invention will be described in detail with reference to the accompanying drawings. Like reference numerals in each figure indicate like elements. In addition, specific structural or functional descriptions of the embodiments of the present invention are merely exemplified for the purpose of explaining the embodiments according to the present invention, and unless otherwise defined, all terms used herein, including technical or scientific terms These have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in this specification, it should not be interpreted in an ideal or excessively formal meaning. It is preferable not to

1 is a view showing the overall configuration of an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention, and FIG. 2 is a configuration of the electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention in a state in which the front surface is open is a drawing showing

1 and 2, the electrolytic sintering apparatus 100 for an all-solid-state battery according to an embodiment of the present invention includes a glove box 110, an electrolyte sintering unit 120, a hoist 130, a first chamber 140, a second chamber 150, a control module 160, and the like.

The glove box 110 is a space in which an operator prepares electrolyte powder to be sintered and performs a sintering process, and has at least one window 111 formed of transparent glass or plastic on the front side, and the window 111 ) is equipped with a working glove.

In addition, the electrolytic sintering unit 120 and the hoist 130 are installed in the inner working space of the glove box 110, and the first chamber 140 and the second chamber 150 are provided on one outer side of the working space. This allows materials or tools required for sintering to be supplied or discharged to the outside.

At this time, the working space inside the glove box 110 is maintained in an oxygen-free and moisture-free state through a purification system or a circulation system. (See FIG. 3)

The electrolyte sintering part 120 is installed on the inner bottom surface of the glove box 110 and supplies heat to the rotary sintering tube having electrolyte powder therein so that the electrolyte powder is sintered.

At this time, the detailed configuration of the electrolytic sintering part 120 will be described in more detail with reference to FIG. 5 .

The hoist 130 is installed on the inner upper surface of the glove box 110 and is inserted into the electrolytic sintering unit 120 to transfer the sintered sintering tube to a discharge position, and then transfer the sintered tube to the discharge position. The sintered electrolyte powder contained in the sinter tube is discharged to the outside.

As shown in FIG. 2 , the hoist 130 includes a coupling body 131 , a gripping portion 132 , and a wire 133 .

The coupling body 131 is coupled to a guide rail (not shown) installed on an inner upper surface of the glove box 110 .

The gripping parts 132 are provided as a pair at a predetermined interval and are a part that grips both sides of the rotary sintered tube after the sintering process is completed.

The wire 133 connects between the pair of gripping parts 132 and the coupling body 131 to elevate the pair of gripping parts 132 .

The first chamber 140 is installed outside one side of the glove box 110, supplies equipment or materials necessary for sintering to the inside of the glove box 110, and discharges sintered electrolyte powder to the outside. is a passage

The second chamber 150 is installed outside one side of the glove box 110 (around the first chamber 140) and is a passage through which tools or small materials are delivered to the inside of the glove box 110. .

At this time, the first chamber 140 may be formed to be larger than the second chamber 150, and may be reduced to one of the chambers or increased to a plurality of chambers according to the use environment.

The control module 160 is provided below the glove box 110 and controls the operation of the electrolytic sintering apparatus 100 for all-solid-state batteries as a whole.

For example, implementation of a moisture-free and oxygen-free environment in the inner working space of the glove box 110, heat supply through the electrolyte sintering unit 120, driving control of the hoist 130 and discharge of sintered electrolyte powder, etc. to overall control.

3 is a view for explaining the configuration of a moisture-free oxygen-free environment of a glove box applied to an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention.

As shown in FIG. 3, in order to perform the sintering process of the electrolyte powder, which is very sensitive to oxygen or moisture, the inside of the glove box 110 of the electrolyte sintering apparatus 100 for an all-solid-state battery must be implemented in an oxygen-free and moisture-free state. do.

To this end, in the present invention, after extracting oxygen remaining inside the glove box 110 through a vacuum pump, nitrogen is filled in the internal working space through a purification system 200 and a circulation system 300, and moisture is removed. do.

The oxygen-free and moisture-free environment of the glove box 110 should be continuously maintained. To this end, the control module ( By operating the purification system 200 and the circulation system 300 under the control of 160), the working space inside the glove box 110 can always maintain an oxygen-free and moisture-free state.

4 is a view for explaining a sintering process of an electrolyte for an all-solid-state battery according to the prior art and a process for sintering an electrolyte for an all-solid-state battery applied to the present invention.

First, as shown in (a) of FIG. 4, in the conventional electrolyte sintering process, the sintering furnace is configured vertically, and the electrolyte powder (powder) 2 provided in the tube 1 is provided on the outside. A sintering operation is performed by heat of about 500 degrees supplied from the heater 3 .

In particular, since sulfide-based materials are very sensitive to oxygen or moisture, the sintering process must be performed in an environment in which oxygen and moisture are blocked.

However, in this sintering process, since the furnace is fixed in the conventional method, the heat transferred to the electrolyte powder 2 in the tube 1 is horizontally and vertically different, resulting in electrolyte sintering. There was a problem that it was difficult to secure the uniformity of

In addition, there is a high possibility of inhalation of foreign substances into the electrolyte powder due to the generation of dust from the heat insulator and heater of the sintering device, so there is a high risk of quality deterioration.

The present invention was developed to solve the problems of the electrolyte manufacturing process for an all-solid-state battery that occurs in the conventional sintering process, and as shown in FIG. Uniform heat is transferred to the typical sintering tube 170 so that the electrolyte for the all-solid-state battery is sintered.

That is, the heating unit 128 is provided on the outside of the rotational sinter tube 170, and the rotational sinter tube 170 located in the inner space of the heating unit 128 is rotated so that the heating unit 128 The applied heat is evenly transferred to the inner electrolyte powder 171 so that the sintering of the electrolyte is performed through uniform temperature control.

At this time, in the rotary electrolyte uniform sintering apparatus applied to the present invention, processes such as filling of electrolyte powder (powder), sintering process, and recovery of sintered powder are performed inside the glove box 110 in conjunction with the glove box 110. you can make it

5 is a view showing in detail the configuration of an electrolyte sintering unit according to an embodiment of the present invention.

As shown in FIG. 5, the electrolytic sintering part 120 includes a base frame 121, an upper housing 122, a lower housing 123, an opening and closing part 124, a coupling member 125, and a fixing part 126 , a rotation drive unit 127, a heating unit 128, and the like.

The base frame 121 serves to support the electrolytic sintering part 120 and is installed on the bottom surface of the glove box 110 .

In addition, a guide rail 121a is formed on the upper part of the base frame 121, and the fixing part 126 can move left and right in the drawing along the guide rail 121a.

In this case, the guide rails 121a may be provided on both sides of the lower housing 123, respectively.

The upper housing 122 has an insertion space into which one side of the rotatable sinter tube 170 (that is, the upper part of the rotatable sinter tube 170) is inserted on the bottom surface and the rotatable sinter tube around the insertion space. A heating unit 128 for supplying heat to 170 is provided.

The lower housing 123 has an insertion space on the upper surface into which the other side of the rotary sinter tube 170 (that is, the lower part of the rotary sinter tube 170) is inserted and the rotational sintering tube around the insertion space. A heating unit 128 for supplying heat to the tube 170 is provided, and is fixed and coupled to the upper portion of the base frame 121 through bolt or screw coupling.

The opening/closing part 124 is a handle provided on one side of the front surface of the upper housing 122, and when a worker grips the opening/closing part 124 and lifts it upward, the upper housing 122 is opened, and the insertion space is opened. The rotatable sinter tube 170 for the sintering operation is seated, or the rotatable sinter tube 170 after the sintering operation is completed can be moved.

The coupling member 125 is a hinge and hinge-couples one side of the upper housing 1220 and the lower housing 123 .

That is, when a worker lifts the opening/closing part 124 by applying force while holding the opening/closing part 124, the upper housing 122 is moved upward with respect to the coupling member 125 so as to be opened.

The fixing part 126 performs a function of fixing the rotatable sinter tube 170 inserted between the upper housing 122 and the lower housing 123 from both sides.

At this time, the fixing part 126 is installed on the guide rail 121a provided on the upper part of the base frame 121, and is moved under the control of the control module 160 to rotate the sintering tube 170. fix it

The rotary driving unit 127 rotates the rotary sinter tube 170 seated between the upper housing 122 and the lower housing 123 based on the control of the control module 160 .

The heating unit 128 supplies heat to the rotary sinter tube 170 so that the electrolyte powder 171 provided inside the rotary sinter tube 170 is sintered.

That is, the electrolyte powder 171 provided inside the rotary sinter tube 170 by the heat supplied from the heating unit 128 through the rotation of the rotary sinter tube 170 by the rotation driving unit 127 This is to ensure uniform sintering.

On the other hand, the rotary sintering tube 170 has a space in which an electrolyte powder requiring a sintering process is inserted, and is formed of a chemical-resistant material and a high-temperature resistant material that do not cause a chemical reaction with the powder.

In addition, the rotary sintering tube 170 is formed in a hollow stepped shape, the electrolyte powder 171 is accommodated therein, and is seated in the insertion space formed in the upper housing 122 and the lower housing 123, respectively. .

In addition, the rotatable sinter tube 170 is rotated according to the drive control of the rotation driving unit 127, and through this, the heat applied from the heating unit 128 is evenly transmitted to the electrolyte powder 171 provided therein, allow it to sinter.

At this time, when coupled between the upper housing 122 and the lower housing 123, both ends of the rotatable sinter tube 170 are in close contact and fixed through the left and right movement of the fixing part 126, so that the rotatable sinter tube 170 A sealing unit 172 is provided to block the supply of oxygen or moisture to the inside of the sintering tube 170 .

6 is a time-sequential view of an entire process using an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention.

First, as shown in FIG. 6A, when a worker prepares powder to be sintered in the glove box 110, fills it in the rotary sintering tube 170, and then inserts it into the electrolytic sintering part 120, In the electrolytic sintering unit 120, heat is applied while rotating the rotatable sintering tube 170 so that a uniform sintering operation is performed.

When the sintering operation is finished, the upper housing 122 is opened by the operator's manipulation, as shown in FIG. 6B, so that the rotatable sinter tube 170 can be transported.

Subsequently, as shown in FIG. 6C, the hoist 130 is lowered under the control of the control module 160, and both ends of the rotatable sinter tube 170 are gripped through the pair of gripping parts 132. .

That is, through the control of the control module 160, the hoist 130 moves left and right along a guide rail (not shown) to a place where the rotatable sinter tube 170 is located, and at that position, the pair of The wires 133 respectively connected to the gripping parts 132 are simultaneously lowered so that the pair of gripping parts 132 grip both ends of the rotatable sintered tube 170 .

In the state where both ends of the rotatable sinter tube 170 are gripped through the hoist 130, the hoist 130 is raised as shown in FIGS. 6D and 6E, and then moved left and right to the discharge position. move

Subsequently, as shown in FIG. 6F, by differently adjusting the elevation of the wire 133 connected to the pair of gripping parts 132, the electrolyte powder contained in the rotary sintered tube 170 is discharged to the outside (pour operation). make it possible

When the discharge of the sintered electrolyte powder is completed, the hoist 130 is operated again to move the rotary sinter tube 170 to the position of the electrolyte sintered part 120 to continue the sintering operation. do.

Next, an embodiment of a method for constructing an electrolytic sintering apparatus for an all-solid-state battery according to the present invention configured as described above will be described in detail with reference to FIGS. 7 to 9 . At this time, the order of each step according to the method of the present invention may be changed by a user environment or a person skilled in the art.

7 is a flowchart showing in detail the process of a method for configuring an electrolytic sintering apparatus for an all-solid-state battery according to an embodiment of the present invention.

As shown in FIG. 7, in order to configure the electrolytic sintering apparatus 100 for an all-solid-state battery according to an embodiment of the present invention, first, the step of forming a glove box 110 equipped with a window and a working glove on the front side is performed. It is performed (S100).

In addition, a step of forming the electrolyte sintering unit 120 to sinter the electrolyte powder by supplying heat to the rotary sinter tube 170 having the electrolyte powder requiring sintering therein is performed (S200).

In addition, a step of forming a hoist 130 for discharging the sintered electrolyte powder to the outside by transferring the rotary sintered tube 170 is performed (S300).

In addition, a step of supplying equipment or materials necessary for sintering to the inside of the glove box 110 and forming at least one chamber for discharging the sintered electrolyte powder to the outside is performed (S400).

Subsequently, a control module 160 that collectively controls each component of the electrolytic sintering apparatus 100 for an all-solid-state battery, and a purification system 200 for realizing the working space inside the glove box 110 in an oxygen-free and moisture-free state. ) and the step of installing the glove box 110 formed in step S100 on the top of the base body provided with the circulation system 300 (S500).

In addition, the electrolytic sintering part 120 formed in step S200 is installed on the inner bottom surface of the glove box 110, and the hoist 130 formed in step S300 is installed on the inner upper surface of the glove box 110. And, by installing at least one or more chambers (ie, the first chamber 140 and the second chamber 150) formed in the step S400 on the outside of one side of the glove box 110, the electrolytic sintering device for the all-solid-state battery ( 100) is completed (S600).

8 is a flowchart showing in detail the construction process of an electrolyte sintering unit according to an embodiment of the present invention.

As shown in FIG. 8 , in order to form the electrolytic sintered part 120, first, a step of forming a base frame 121 for supporting the electrolytic sintered part 120 as a whole is performed (S210). At this time, a guide rail 121a for moving the fixing part 126 is formed on the upper part of the base frame 121 .

Then, an upper housing provided with an insertion space into which the rotary sinter tube 170 equipped with the electrolyte powder 171 for sintering is inserted and a heating unit 128 for supplying heat to the rotary sinter tube 170 ( 122) and forming the lower housing 123, respectively (S220).

In addition, a step of forming an opening and closing portion 124 for lifting and opening the upper housing 122 upwards is performed on one side of the upper housing 122 (S230), and a hinged coupling member 125 is formed to A step of hingedly coupling one side of the upper housing 122 and the lower housing 123 is performed (S240).

In addition, the heating unit 128 is created and mounted on the inside of the lower surface of the upper housing 122 and the inside of the upper surface of the lower housing 123 (S250), respectively, and the upper housing 122 and the lower housing 123 is coupled to and mounted on the upper part of the base frame 121 (S260).

Now, after forming the housing through the steps S220 to S260, a fixing part for fixing the rotatable sinter tube 170 mounted in the insertion space between the upper housing 122 and the lower housing 123 ( 126) and coupling the formed fixing part 126 to both sides of the base frame 121 where the upper housing 122 and the lower housing 123 are provided (S270) .

In addition, a rotation driving unit 127 for rotating the rotational sinter tube 170 mounted in the insertion space of the upper housing 122 and the lower housing 123 is formed, and the rotation driving unit 127 formed above It is coupled to the upper part of the base frame 121 (S280), and the configuration of the electrolytic sintering part 120 is finished.

9 is a flowchart showing in detail the configuration process of the hoist according to an embodiment of the present invention.

As shown in FIG. 9, in order to form the hoist 130, first, steps of forming a coupling body 131, a pair of gripping parts 132, and a wire 133 are performed (S310 to S330). ).

Subsequently, a step of coupling the coupling body 131 formed in step S310 to the guide rail installed on the inner upper surface of the glove box 110 is performed (S340).

In addition, the pair of gripping parts formed in step S320 are connected to the coupling body 131 at a predetermined interval, and the pair of gripping parts 132 and the coupling body 131 are formed in step S330. By connecting with one wire 133 (S350), the configuration of the hoist 130 is completed.

As such, the present invention designs a glove box in a moisture-free and oxygen-free environment, has a sintering device therein, and moves a solid electrolyte from within the glove box to the sintering device through a rotary sintering tube in an anhydrous and oxygen-free state. Since it enables sintering, it is possible to implement a sintering process at a uniform temperature while controlling the contact of moisture or oxygen.

In addition, since the present invention performs uniform temperature transfer to the solid electrolyte provided therein by rotating the rotary sintering tube, it is possible to secure uniformity during sintering of the solid electrolyte.

As described above, the present invention has been described with reference to the embodiments shown in the drawings, but this is only exemplary, and various modifications and other equivalent embodiments will be made by those skilled in the art in the field to which the technology belongs. You will understand that it is possible. Therefore, the technical protection scope of the present invention will be determined by the claims below.

100: electrolytic sintering device for all-solid-state batteries
110: glove box 111: window
120: electrolytic sintering unit 121: base frame
121a: guide rail 122: upper housing
123: lower housing 124: opening and closing part
125: coupling member 126: fixing part
127: rotation drive unit 128: heating unit
130: hoist 131: combined body
132: gripping part 133: wire
140: first chamber 150: second chamber
160: control module 170: rotary sintering tube
171: electrolyte powder 172: sealing part
200: purification system 300: circulation system

Claims (10)

Glove box equipped with a window and a working glove on the front;
an electrolyte sintering unit installed inside the glove box and supplying heat to the rotary sintering tube having electrolyte powder therein to perform sintering; and
Electrolyte sintering apparatus for an all-solid-state battery comprising a; hoist installed inside the glove box and transporting the rotary sinter tube to discharge the sintered electrolyte powder to the outside. The method of claim 1,
The glove box,
As a space in which the preparation of electrolyte powder to be sintered and the sintering process take place, a purification system and a circulation system are driven according to the control of the control module to remove moisture and oxygen to form the internal space into a water-free and oxygen-free environment. Electrolytic sintering equipment for solid batteries. The method of claim 1,
The electrolyte sintering part,
a base frame supporting the electrolytic sintering part;
a housing provided with an insertion space into which the rotatable sinter tube is inserted and a heating unit supplying heat to the rotatable sinter tube; and
A rotation drive unit for rotating the rotatable sinter tube based on the control of the control module; includes,
Electrolyte sintering device for an all-solid-state battery, characterized in that the electrolyte powder provided inside the rotary sinter tube is uniformly sintered by the heat supplied from the heating unit through the rotation of the rotary sinter tube by the rotary drive unit. The method of claim 3,
the housing,
an upper housing provided with an insertion space into which one side of the rotary sinter tube is inserted and a heating unit supplying heat to the rotary sinter tube;
a lower housing provided with an insertion space into which the other side of the rotary sinter tube is inserted and a heating unit supplying heat to the rotary sinter tube;
an opening and closing portion formed on one side to open the upper housing by lifting it upward; and
The electrolytic sintering apparatus for an all-solid-state battery, characterized in that it further comprises; a coupling member for hinge-joining one side of the upper housing and the lower housing. The method of claim 3,
The electrolyte sintering part,
Further comprising a fixing part for fixing the rotary sintered tube inserted between the upper housing and the lower housing from both sides,
The fixing unit is moved along a guide rail provided on the upper part of the base frame to fix both ends of the rotary sintering tube. The method of claim 1,
The hoist,
a coupling body coupled to a guide rail installed on an inner upper surface of the glove box;
a pair of gripping parts disposed at a predetermined interval; and
The electrolytic sintering apparatus for an all-solid-state battery comprising a; wire connecting between the pair of gripping parts and the coupling body to elevate the pair of gripping parts. The method of claim 6,
The hoist,
Moves left and right along the guide rail through the control of the control module,
At the top of the place where the rotatable sinter tube is located, the wires respectively connected to the pair of gripping parts are simultaneously lowered so that the pair of gripping parts grip the rotatable sinter tube,
After raising the gripped rotary sintered tube, it is moved to a discharge position by moving left and right,
Electrolyte sintering apparatus for an all-solid-state battery, further comprising controlling the elevation of the pair of wires differently so that the electrolyte powder contained in the rotary sintering tube can be discharged to the outside. The method of claim 1,
The electrolytic sintering device for the all-solid-state battery,
a first chamber installed outside one side of the glove box, supplying equipment or materials necessary for sintering to the inside of the glove box, and discharging the sintered electrolyte powder to the outside; and
A second chamber installed outside one side of the glove box and serving as a passage through which tools or small materials are transferred to the inside of the glove box;
Electrolytic sintering apparatus for an all-solid-state battery, characterized in that the first chamber is formed larger than the second chamber. Forming a glove box equipped with a window and a working glove on the front side;
Forming an electrolyte sintering unit to sinter by supplying heat to a rotary sintering tube having an electrolyte powder therein;
Forming a hoist to transfer the rotary sintered tube to discharge the sintered electrolyte powder to the outside;
forming at least one chamber for supplying equipment or materials necessary for sintering to the inside of the glove box and discharging the sintered electrolyte powder to the outside; and
The formed electrolytic sintering part is installed on the inner bottom surface of the glove box, the formed hoist is installed on the inner upper surface of the glove box, and the formed at least one chamber is installed outside one side of the glove box, A method for constructing an electrolyte sintering device for an all-solid-state battery, comprising: completing an electrolytic sintering device for an all-solid-state battery. The method of claim 9,
Forming the electrolyte sintered part,
Forming a base frame supporting the electrolytic sintered part;
Forming a housing having an insertion space into which a rotary sinter tube is inserted and a heating unit supplying heat to the rotary sinter tube;
Forming a fixing part for fixing the rotatable sintered tube mounted in the insertion space;
Forming a rotational driving unit for rotating a rotational type sintered tube mounted in the insertion space; and
Including; combining the formed housing, the fixing part and the rotary driving part to the upper part of the base frame,
Forming the hoist,
Forming a coupling body, a pair of gripping parts and a wire, respectively; and
coupling a coupling body to a guide rail installed on an inner upper surface of the glove box, and connecting the pair of gripping parts to the coupling body through the wire at a predetermined interval; for an all-solid-state battery comprising: How to construct an electrolytic sintering device.

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