Korea Institute of Energy Research

Bo Yun Jang

Young Soo Ahn

Joon Soo Kim

Jin Seok Lee

Sang Hyun Park

Dong Kook Kim

Gwon Jong Yu

Jung Joon Yoo

Jeong Hun Baek

Yong Il Kim

Ha Na Yoon

Gi Hwan Kang

Jong Huy Kim

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.

3-D printing apparatus for fabricating supercapacitor or secondary battery

Provided is a method of disassembling a photovoltaic module. The method includes: applying heat to the photovoltaic module in an oxidizing atmosphere; removing an insulating protective layer wrapping a photovoltaic cell of the photovoltaic module; and obtaining the photovoltaic cell of the photovoltaic module.

Disassembling photovoltaic module

A dual crucible for silicon melting and a manufacturing apparatus of a silicon thin film including the same are disclosed. The dual crucible for the silicon melting includes a graphite crucible formed in a container shape with an open top and a bottom having an outlet part formed therein to exhaust silicon melt, the graphite crucible comprising a slope part configured to connect the outlet part and an inner wall with each other, with a predetermined slope with respect to a top surface of the outlet part, and a quartz crucible insertedly coupled to the graphite crucible, with being formed in a corresponding shape to the graphite crucible, the quartz crucible having a silicon base material charged therein.

Reusable dual crucible for silicon melting and manufacturing apparatus of silicon slim plate including the same

Methods and apparatus for manufacturing high purity polysilicon. The apparatus includes a vacuum chamber; first and second electron guns disposed at an upper side of the vacuum chamber to irradiate electron beams into the vacuum chamber; a silicon melting unit which is placed on a first electron beam-irradiating region corresponding to the first electron gun and to which powdery raw silicon is fed and melted by the first electron beam; and a unidirectional solidification unit placed on a second electron beam-irradiating region corresponding to the second electron gun. The unidirectional solidification unit is provided therein with a start block driven in a downward direction to transfer molten silicon in the downward direction and is formed at a lower side thereof with a cooling channel. The start block includes a dummy bar having a silicon button joined to an upper portion of the dummy bar.

Apparatus for manufacturing polysilicon based electron-beam melting using dummy bar and method of manufacturing polysilicon using the same

A graphite crucible for electromagnetic induction-based silicon melting and an apparatus for silicon melting/refining using the same, which performs a melting operation by a combination of indirect melting and direct melting. The crucible is formed of a graphite material and includes a cylindrical body having an open upper part through which a silicon raw material is charged into the crucible, and an outer wall surround by an induction coil, wherein a plurality of first slits are vertically formed through the outer wall and an inner wall of the crucible, and a plurality of second slits are vertically formed from an edge of the disc-shaped bottom of the crucible toward a center of the bottom.

Graphite crucible for electromagnetic induction melting silicon and apparatus for silicon melting and refining using the graphite crucible

Disclosed herein are a graphite crucible for electromagnetic induction-based silicon melting and an apparatus for silicon melting/refining using the same, which performs a melting operation by a combination of indirect melting and direct melting. The crucible is formed of a graphite material and includes a cylindrical body having an open upper part through which a silicon raw material is charged into the crucible, and an outer wall surrounded by an induction coil, wherein a plurality of slits are vertically formed through the outer wall and an inner wall of the crucible such that an electromagnetic force created by an electric current flowing in the induction coil acts toward an inner center of the crucible to prevent a silicon melt from contacting the inner wall of the crucible.

Graphite crucible for silicon electromagnetic induction heating and apparatus for silicon melting and refining using the graphite crucible

Apparatus and method for manufacturing high purity polysilicon. The apparatus includes a vacuum chamber maintaining a vacuum atmosphere; first and second electron guns disposed at an upper side of the vacuum chamber to irradiate electron beams into the vacuum chamber; a silicon melting unit placed on a first electron beam-irradiating region corresponding to the first electron gun and in which powdery raw silicon is placed and melted by the first electron beam; and a unidirectional solidification unit placed on a second electron beam-irradiating region corresponding to the second electron gun and connected to the silicon melting unit via a runner. The unidirectional solidification unit is formed at a lower part thereof with a cooling channel and is provided therein with a start block driven in a downward direction.

Growing community of inventors

Daejeon, South Korea

Bo Yun Jang