Patents by Inventor Kai-Wei Nieh

Kai-Wei Nieh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10008739
    Abstract: A solid-state lithium battery cell comprises a support, and a plurality of electrodes on the support, the electrodes comprising a cathode and an anode. An electrolyte lying between the cathode and anode comprises an oxygen-rich electrolyte layer. In another version, a multilayer electrolyte comprises an oxygen-rich electrolyte layer and an oxygen-deficient electrolyte layer.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: June 26, 2018
    Assignee: FRONT EDGE TECHNOLOGY, INC.
    Inventors: Jiuh-Ming Liang, Kai Wei Nieh
  • Patent number: 9905895
    Abstract: A pulse mode apparatus comprises a mismatched battery electrically connected to a pulse mode device having a pulse duty cycle with a power-on time period and a power-off time period. The mismatched battery comprises a first battery cell having a first internal resistance and first charge capacity, and a second battery cell having a second internal resistance and second charge capacity, and the battery comprises at least one of the following: (1) the second internal resistance is less than the first internal resistance, and (2) the second charge capacity is less than the first charge capacity. The battery also has a pair of electrical connectors electrically coupling the first and second battery cells in parallel, a pair of terminals connected to the first or second battery cells, and a casing around the first and second battery cells with the terminals extending out of the casing.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: February 27, 2018
    Assignee: Front Edge Technology, Inc.
    Inventors: Tung-Hsiu Shih, Kai Wei Nieh, Victor Krasnov
  • Patent number: 9887429
    Abstract: A lithium battery comprises at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte. A protective casing comprises a cover spaced apart from and covering the battery cell to form a gap therebetween with a polymer filling the gap. In one version, the polymer comprises polyvinylidene chloride polymer. First and second terminals extend out of the protective casing, the first and second terminals being connected to different electrodes of the battery cell.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: February 6, 2018
    Assignee: Front Edge Technology Inc.
    Inventors: Tung-Hsiu Shih, Kai Wei Nieh, Victor Krasnov, Jiuh-Ming Liang
  • Publication number: 20160248117
    Abstract: A solid-state lithium battery cell comprises a support, and a plurality of electrodes on the support, the electrodes comprising a cathode and an anode. An electrolyte lying between the cathode and anode comprises an oxygen-rich electrolyte layer. In another version, a multilayer electrolyte comprises an oxygen-rich electrolyte layer and an oxygen-deficient electrolyte layer.
    Type: Application
    Filed: February 23, 2015
    Publication date: August 25, 2016
    Inventors: Jiuh-Ming LIANG, Kai Wei NIEH
  • Patent number: 9356320
    Abstract: A lithium battery comprises a support, and a plurality of battery component layers on the support, the battery component layers including a cathode having a cathode area with a plurality of cathode perimeter edges. An electrolyte is on the cathode, and an anode is on the electrolyte. The anode comprises an anode area with a plurality of anode perimeter edges, each anode perimeter edge having a corresponding cathode perimeter edge that lies adjacent to and below the anode perimeter edge. The anode area is sized so that at least one anode perimeter edge is terminated before its corresponding cathode perimeter edge to define a gap between the anode perimeter edge and the corresponding cathode perimeter edge, the gap having a gap distance G.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: May 31, 2016
    Assignee: FRONT EDGE TECHNOLOGY INC.
    Inventors: Tung-Hsiu Shih, Kai Wei Nieh, Victor Krasnov, Jiuh-Ming Liang
  • Publication number: 20150372359
    Abstract: A pulse mode apparatus comprises a mismatched battery electrically connected to a pulse mode device having a pulse duty cycle with a power-on time period and a power-off time period. The mismatched battery comprises a first battery cell having a first internal resistance and first charge capacity, and a second battery cell having a second internal resistance and second charge capacity, and the battery comprises at least one of the following: (1) the second internal resistance is less than the first internal resistance, and (2) the second charge capacity is less than the first charge capacity. The battery also has a pair of electrical connectors electrically coupling the first and second battery cells in parallel, a pair of terminals connected to the first or second battery cells, and a casing around the first and second battery cells with the terminals extending out of the casing.
    Type: Application
    Filed: August 31, 2015
    Publication date: December 24, 2015
    Inventors: Tung-Hsiu Shih, Kai Wei Nieh, Victor Krasnov
  • Patent number: 9159964
    Abstract: A solid-state, mismatched battery comprises a first battery cell having a first internal resistance, and a second battery cell having a second internal resistance, the second internal resistance being a predefined resistance that is less than the first internal resistance. One or more of electrical connectors electrically couple the first and second battery cells. A casing encloses the first and second battery cells. A pair of terminals is electrically coupled to the first and second battery cells to output electrical power to an external load.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: October 13, 2015
    Assignee: FRONT EDGE TECHNOLOGY, INC.
    Inventors: Tung-Hsiu Shih, Kai Wei Nieh, Victor Krasnov
  • Publication number: 20150010717
    Abstract: A method of fabricating a battery comprises selecting a battery substrate having cleavage planes, and depositing at least one battery component film comprising a metal or metal compound. A plurality of pulsed laser beam bursts from a femtosecond laser source that is set to provide a pulsed laser beam having an irradiance level of from about 10 to about 800 J/cm2, are applied to the battery component film to vaporize at least a portion of the metal or metal compound of the battery component film substantially without causing fractures along the cleavage planes of the battery substrate.
    Type: Application
    Filed: September 19, 2014
    Publication date: January 8, 2015
    Applicant: FRONT EDGE TECHNOLOGY, INC.
    Inventors: Kai-Wei NIEH, Jianchao LI, Tung-Hsiu SHIH
  • Patent number: 8870974
    Abstract: A method of fabricating a battery comprises selecting a battery substrate having cleavage planes, and depositing on the battery substrate, one or more battery component films comprising electrode films that at least partially surround an electrolyte film. Pulsed laser beam bursts are applied to the battery component films at a sufficiently high power level to vaporize portions of the films to form shaped battery features. The pulsed laser bursts shape the films substantially without causing fractures along the cleavage planes of the battery substrate. Pulsed laser shaping can be used to replace the use of a mask in the fabrication of shaped battery components.
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: October 28, 2014
    Assignee: Front Edge Technology, Inc.
    Inventors: Kai-Wei Nieh, Jianchao Li, Tung-Hsiu Shih
  • Patent number: 8865340
    Abstract: A battery packaging method comprises providing a battery comprising at least one battery cell on a substrate, the battery cell comprising a plurality of electrodes about an electrolyte, and the battery having at least one open peripheral side surface. A thermoplastic bead is provided at an open peripheral side surface of the battery. A cap is placed over the battery and in contact with the thermoplastic bead. The thermoplastic bead is locally heated by directing an energy beam onto the thermoplastic bead, the energy beam having a beam width sized sufficiently small to heat a beam incident region on the thermoplastic bead substantially without heating adjacent regions.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: October 21, 2014
    Assignee: Front Edge Technology Inc.
    Inventors: Jiuh-Ming Liang, Kai Wei Nieh
  • Patent number: 8864954
    Abstract: A method of depositing lithium-containing films on a battery substrate in a sputtering chamber is provided. At least one pair of sputtering targets that each comprise a lithium-containing sputtering member is provided in the sputtering chamber, the sputtering targets selected to each have a conductivity of at least about 5×10?6 S·cm?1. A substrate carrier holding at least one battery substrate is placed in the sputtering chamber. A pressure of sputtering gas is maintained in the sputtering chamber. The sputtering gas is energized by applying to the pair of sputtering targets, an electrical power at a frequency of from about 10 to about 100 kHz.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: October 21, 2014
    Assignee: Front Edge Technology Inc.
    Inventors: Kai Wei Nieh, Jiuh-Ming Liang, Victor Krasnov
  • Publication number: 20140291144
    Abstract: A plasma chamber for depositing a battery component material on a partially fabricated battery cell comprising a battery component layer containing charge-carrying metal species and having an exposed surface. The chamber comprises a support carrier to hold a battery support comprising the partially fabricated battery cell. A mesh screen is positioned at a preset distance from the support carrier, the mesh screen having a plurality of mesh openings. An exhaust maintains a pressure of the process gas in the plasma chamber. A plasma power source is capable of applying an electrical power to the process gas to generate a plasma from the process gas for plasma deposition, during which the mesh screen is capable of reducing migration of the charge-carrying metal species across the battery component layer.
    Type: Application
    Filed: June 13, 2014
    Publication date: October 2, 2014
    Inventors: KAI WEI NIEH, JIUH-MING LIANG, VICTOR KRASNOV
  • Publication number: 20140166471
    Abstract: A method of depositing lithium metal oxide on a battery substrate in a sputtering chamber comprising a substrate support, first and second sputtering targets each comprising lithium metal oxide, and first and second electrodes about the backside surfaces of the first and second sputtering targets respectively. In the method, a substrate is placed on the substrate support, sputtering gas maintained at a pressure and energized by applying an alternating voltage of AC power to the first and second electrodes so that each electrode is alternately either an anode or a cathode. The alternating voltage can be applied within a frequency range while also applying a time varying magnetic field about each of the surfaces of the first and second targets.
    Type: Application
    Filed: November 25, 2013
    Publication date: June 19, 2014
    Applicant: FRONT EDGE TECHNOLOGY, INC.
    Inventors: Weng-Chung WANG, Kai Wei NIEH
  • Patent number: 8753724
    Abstract: A plasma deposition method deposits a battery component material on a partially fabricated battery cell comprising a battery component layer containing charge-carrying metal species and having an exposed surface. A mesh screen is maintained at a preset distance from the exposed surface, the mesh screen having a plurality of mesh openings. A process gas is energized to form a plasma by applying an electrical power to deposit the battery component material onto the exposed surface of the battery component layer. The mesh screen reduces migration of the charge-carrying metal species in the battery component layer to the exposed surface of the partially fabricated battery cell.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: June 17, 2014
    Assignee: Front Edge Technology Inc.
    Inventors: Kai Wei Nieh, Jiuh-Ming Liang, Victor Krasnov
  • Patent number: 8728176
    Abstract: A battery fabrication method comprises forming at least one battery cell on a battery substrate by depositing a plurality of battery component films on the battery substrate, the battery component films comprising at least a pair of electrodes about an electrolyte. An overlying protective multilayer coating is formed over the battery cell. A plurality of pulsed laser bursts of a pulsed laser beam is applied to the battery substrate, the pulsed laser bursts having sufficient power and duration to cut through the battery substrate and the overlying protective multilayer coating.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: May 20, 2014
    Assignee: Front Edge Technology, Inc.
    Inventors: Jianchao Li, Kai-Wei Nieh, Sandeep Makhar
  • Publication number: 20140106203
    Abstract: A lithium battery comprises a support, and a plurality of battery component layers on the support, the battery component layers including a cathode having a cathode area with a plurality of cathode perimeter edges. An electrolyte is on the cathode, and an anode is on the electrolyte. The anode comprises an anode area with a plurality of anode perimeter edges, each anode perimeter edge having a corresponding cathode perimeter edge that lies adjacent to and below the anode perimeter edge. The anode area is sized so that at least one anode perimeter edge is terminated before its corresponding cathode perimeter edge to define a gap between the anode perimeter edge and the corresponding cathode perimeter edge, the gap having a gap distance G.
    Type: Application
    Filed: October 15, 2012
    Publication date: April 17, 2014
    Inventors: Tung-Hsiu SHIH, Kai Wei NIEH, Victor KRASNOV, Jiuh-Ming LIANG
  • Publication number: 20140087092
    Abstract: A plasma deposition method deposits a battery component material on a partially fabricated battery cell comprising a battery component layer containing charge-carrying metal species and having an exposed surface. A mesh screen is maintained at a preset distance from the exposed surface, the mesh screen having a plurality of mesh openings. A process gas is energized to form a plasma by applying an electrical power to deposit the battery component material onto the exposed surface of the battery component layer. The mesh screen reduces migration of the charge-carrying metal species in the battery component layer to the exposed surface of the partially fabricated battery cell.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Inventors: Kai Wei Nieh, Jiuh-Ming Liang, Victor Krasnov
  • Publication number: 20140087227
    Abstract: A solid-state, mismatched battery comprises a first battery cell having a first internal resistance, and a second battery cell having a second internal resistance, the second internal resistance being a predefined resistance that is less than the first internal resistance. One or more of electrical connectors electrically couple the first and second battery cells. A casing encloses the first and second battery cells. A pair of terminals is electrically coupled to the first and second battery cells to output electrical power to an external load.
    Type: Application
    Filed: September 25, 2012
    Publication date: March 27, 2014
    Inventors: Tung-Hsiu Shih, Kai-Wei Nieh, Victor Krasnov
  • Patent number: 8679674
    Abstract: A battery comprises at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface. A thermoplastic material covers the surface of the battery cell, the thermoplastic material comprising a nitrogen permeability or oxygen permeability that is less than 20 cm3*mm/(m2*day). A cap covers the thermoplastic material.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: March 25, 2014
    Assignee: Front Edge Technology, Inc.
    Inventors: Jiuh-Ming Liang, Kai-Wei Nieh
  • Patent number: 8628645
    Abstract: A thin film battery manufacturing method is provided for deposition of lithium metal oxide films onto a battery substrate. The films are deposited in a sputtering chamber having a plurality of sputtering targets and magnetrons. The sputtering gas is energized by applying a voltage bias between a pair of the sputtering targets at a frequency of between about 10 and about 100 kHz. The method can provide a deposition rate of lithium cobalt oxide of between about 0.2 and about 4 microns/hr with improved film quality.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: January 14, 2014
    Assignee: Front Edge Technology, Inc.
    Inventors: Weng-Chung Wang, Kai-Wei Nieh