3-D printing apparatus for fabricating supercapacitor or secondary battery

Patent metadata

Field	Value
Publication number	US-11577468-B2
Application number	US-202016839497-A
Country	US
Kind code	B2
Filing date	Apr 3, 2020
Priority date	Apr 3, 2020
Publication date	Feb 14, 2023
Grant date	Feb 14, 2023

Abstract

Disclosed is a 3-D printing apparatus. The apparatus includes an ink output module including an ink supply unit having an ink for forming an electrode portion, electrolyte or packaging portion received therein and an ink discharge unit coupled to the ink supply unit; a driving unit having the ink output module mounted thereon to move the ink output module in an X, Y, Z axis direction with respect to a substrate where a supercapacitor or secondary battery will be formed; a dispenser connected to the ink supply unit to supply gas having controlled pressure to the ink supply unit through a gas supply tube and to supply the ink within the ink supply unit through the ink discharge unit; and a controller controlling the output of the ink by transmitting a control command for fabricating the supercapacitor or the secondary battery to the dispenser and the driving unit.

First claim

What is claimed is:

1. A three-dimensional (3-D) printing apparatus for fabricating a supercapacitor or a secondary battery comprising an electrode portion having a positive pole part and a negative pole part spaced apart from each other, an electrolyte filled between the positive pole part and the negative pole part, and a packaging portion for packaging the electrode portion and the electrolyte, the 3-D printing apparatus comprising:
an ink output module comprising an ink supplier in which an ink for forming any one of the electrode portion, the electrolyte and the packaging portion is received and an ink discharger coupled to the ink supplier;
a driving device configured to move the ink output module in X, Y, Z axis directions with respect to a substrate in which the supercapacitor or the secondary battery is to be formed, wherein the ink output module is mounted on the driving device;
a dispenser connected to the ink supplier by a gas supply tube, for supplying gas having controlled pressure to the ink supplier through the gas supply tube and outputting the ink within the ink supplier through the ink discharger; and
a controlling device configured to control the outputting of the ink by transmitting, to the dispenser and the driving device, a control command for fabricating the supercapacitor or the secondary battery,
wherein the driving device comprises:
a Z axis driving device configured to move the ink output module in a Z axis direction, wherein the ink output module is detachably mounted on the Z axis driving device;
an X axis driving device configured to move in an X axis direction along a guide installed in a fixing table, and to be coupled to the Z axis driving device to move the Z axis driving device in the X axis direction; and

a Y axis driving device installed in the fixing table to move a work base on which the substrate is placed in the Y axis direction from a side under the ink output module,
wherein the positive pole part comprises a first current collector and a positive pole formed on the first current collector, and the negative pole part comprises a second current collector and a negative pole formed on the second current collector, and
wherein the ink output module comprises:
an ink output module for a current collector in which an ink for the current collector for forming the first current collector and the second current collector has been received;
an ink output module for an electrode in which an ink for the electrode for forming the positive pole and the negative pole has been received;
an ink output module for the electrolyte in which an ink for the electrolyte for forming the electrolyte has been received; and
an ink output module for the packaging in which an ink for the packaging for forming the packaging portion has been received.

2. The 3-D printing apparatus of claim 1 , wherein:
the ink discharger is detachably coupled to the ink supplier in such a way as to be replaced depending on a width of the outputting of the ink, and
the ink supplier has a structure to which the gas supply tube is detachably coupled.

3. The 3-D printing apparatus of claim 1 , wherein the controlling device is configured to:
form a first layer of any one of the electrode portion, the electrolyte and the packaging portion,
raise the ink output module in a Z axis direction by controlling the driving device, and
adjust a height of the ink output module in the Z axis direction in order to form a second layer by outputting the ink again at a location raised up to a height of the first layer.

4. The 3-D printing apparatus of claim 1 , wherein the dispenser supplies externally supplied gas to the ink supplier at given pressure, and
wherein the controlling device is configured to:
receive information on shapes of the positive pole part and the negative pole part of the supercapacitor,
generate the control command based on the information,
control the driving device in response to the control command, and
control a supply or a blocking of the gas for the ink supplier by the dispenser.

5. The 3-D printing apparatus of claim 1 , wherein after the ink is supplied to the ink supplier, the ink discharger is coupled to the ink supplier by a screw or using a Luer lock method, the gas supply tube is connected to the ink supplier, and the ink output module is mounted on the driving device.

6. The 3-D printing apparatus of claim 4 , wherein:
an inner diameter of the ink discharger is 20˜600 μm, and
pressure of the gas supplied from the dispenser to the ink supplier is 20˜800 kPa.

7. The 3-D printing apparatus of claim 4 , wherein the dispenser comprises:
a gas supply pressure control panel enabling a user to input or adjust supply pressure of the gas; and
a situation display panel displaying information on at least one of the supply pressure of the gas, pressure within the ink supplier, and a discharge state of the ink.

8. The 3-D printing apparatus of claim 1 , wherein:
an operating range of the X axis driving device and the Y axis driving device is 0˜300 mm, and a moving speed thereof is 0.1˜500 mm/s, and
an operating range of the Z axis driving device is 0˜80 mm, and a moving speed thereof is 0.1˜400 mm/s.

9. The 3-D printing apparatus of claim 1 , wherein the ink for the electrode includes:
electrode materials including an electrode active material, a conductive agent and a binder;
a dispersing agent; and
a solvent,
wherein the electrode active material of 50˜90 wt %, the conductive agent of 1˜40 wt %, and the binder of 1˜20 wt % with respect to a total weight of the electrode materials are mixed, and
wherein the dispersing agent of 0.1˜10 wt % compared to the total weight of the electrode materials is added.

10. A three-dimensional (3-D) printing apparatus for fabricating a supercapacitor or a secondary battery comprising an electrode portion having a positive pole part and a negative pole part spaced apart from each other, an electrolyte filled between the positive pole part and the negative pole part, and a packaging portion for packaging the electrode portion and the electrolyte, the 3-D printing apparatus comprising:
an ink output module comprising an ink supplier in which an ink for forming any one of the electrode portion, the electrolyte and the packaging portion is received and an ink discharger coupled to the ink supplier;
a driving device configured to move the ink output module in X, Y, Z axis directions with respect to a substrate in which the supercapacitor or the secondary battery is to be formed, wherein the ink output module is mounted on the driving device;
a dispenser connected to the ink supplier by a gas supply tube, for supplying gas having controlled pressure to the ink supplier through the gas supply tube and outputting the ink within the ink supplier through the ink discharger; and
a controlling device configured to control the outputting of the ink by transmitting, to the dispenser and the driving device, a control command for fabricating the supercapacitor or the secondary battery,
wherein the driving device comprises:
a lower driving device configured to move a work base on which the substrate is placed in X and Y directions; and
a Z axis driving device configured to move the ink output module in a Z axis direction, wherein the ink output module is detachably mounted on the Z axis driving device,

wherein the positive pole part comprises a first current collector and a positive pole formed on the first current collector, and the negative pole part comprises a second current collector and a negative pole formed on the second current collector, and
wherein the ink output module comprises:
an ink output module for a current collector

Assignees

• Korea Inst Energy Res

Inventors

• Yoo Jung Joon
• Baek Jeong Hun
• Kim Yong Il
• Yoon Ha Na
• Jang Bo Yun
• Kim Jong Huy

Classifications

• Y02E60/13

  Energy storage using capacitors · CPC title

• Y02E60/10

  Energy storage using batteries · CPC title

• B33Y50/02

  for controlling or regulating additive manufacturing processes · CPC title

• B29C64/209

  Heads; Nozzles · CPC title

• H01G11/84

  Processes for the manufacture of hybrid or EDL capacitors, or components thereof · CPC title