Patents by Inventor Jian Jun Li

Jian Jun Li 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).

  • COBALT OXIDE, COMPOSITE OF COBALT OXIDE, AND METHOD FOR MAKING THE SAME
    Publication number: 20120326673
    Abstract: A method for making a composite of cobalt oxide is disclosed. An aluminum nitrate solution is provided. Lithium cobalt oxide particles are introduced into the aluminum nitrate solution. The lithium cobalt oxide particles are mixed with the aluminum nitrate solution to form a mixture. A phosphate solution is added into the mixture to react with the aluminum nitrate solution and form an aluminum phosphate layer on surfaces of the lithium cobalt oxide particles. The lithium cobalt oxide particles with the aluminum phosphate layer formed on the surfaces thereof are heat treated to form a lithium cobalt oxide composite. The lithium cobalt oxide composite is electrochemical lithium-deintercalated at a voltage of Vx, wherein 4.5V<Vx?5V to form a cobalt oxide. The present disclosure also relates to a cobalt oxide and a composite of cobalt oxide.
    Type: Application
    Filed: October 26, 2011
    Publication date: December 27, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: JIAN-JUN LI, XIANG-MING HE, LI WANG, DAN WANG, XIAN-KUN HUANG, CHANG-YIN JIANG
  • Mechanical double joint system
    Patent number: 8333527
    Abstract: A mechanical joint system includes a joint, an arm, a plurality of teeth, and an engaging member. The joint defines a pivot hole and a joint receiving hole communicating with the pivot hole. The arm is rotatable relative to the joint. The arm includes a pivot portion and a pivot hole defined in the pivot portion, the pivot portion is received in the joint receiving hole. The teeth are formed on an inner surface adjacent to an end of the pivot hole. The engaging member is fixed to the joint. The engaging member includes a prong for engaging with the teeth.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: December 18, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Gang Cheng, Jian-Jun Li, Te-Sheng Jan, Yu-Tao Chen, Chun-Che Yen
  • Modifier of lithium ion battery
    Patent number: 8323836
    Abstract: A modifier of a lithium ion battery includes a clear solution fabricated from a phosphorous source having a phosphate radical, a trivalent aluminum source, and a metallic oxide provided in a liquid phase solvent. A molar ratio of the trivalent aluminum source, the metallic oxide, and the phosphorous source is set by (MolAl+MolMetal):Molp=about 1:2.5 to about 1:4. MolAl is the amount of substance of an aluminum element in the trivalent aluminum source, MolMetal is the amount of substance of a metallic element in the metallic oxide, and Molp is the amount of substance of a phosphorous element in the phosphorous source.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: December 4, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiang-Ming He, Jian-Jun Li, Li-Chun Zhang, Wei-Hua Pu, Jian Gao
  • Electrode composite material of lithium ion battery and lithium ion battery using the same
    Patent number: 8323830
    Abstract: An electrode composite material includes an individual electrode active material particle and a protective film coated on a surface of the particle. A composition of the protective film is AlxMyPO4, AlxMy(PO3)3, or a combination thereof. M represents at least one of Cr, Zn, Mg, Zr, Mo, V, Nb, or Ta. A valence of M is represented by k, in which 0<x<1, 0<y<1, and 3x+ky=3. In addition, a molar ratio of an aluminum element, an M element, and a phosphorous element in AlxMyPO4 or AlxMy(PO3)3 is set by (MolAl+MolMetal):Molp equal to about 1:2.5 to about 1:4, MolAl is the amount of substance of the aluminum element, MolMetal is the amount of substance of the M element, and Molp is the amount of substance of the phosphorous element. A lithium ion battery includes the electrode composite material.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: December 4, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiang-Ming He, Jian-Jun Li, Li-Chun Zhang, Jian-Guo Ren, Jian Gao, Wei-Hua Pu
  • Electrode of lithium ion battery and lithium ion battery using the same
    Patent number: 8313858
    Abstract: An electrode of a lithium ion battery includes a current collector, an electrode material layer disposed on a top surface of the current collector, and a protective film located on a top surface of the electrode material layer. A composition of the protective film is at least one of AlxMyPO4 and AlxMy(PO3)3, M represents at least one chemical element of Cr, Zn, Mg, Zr, Mo, V, Nb, and Ta, and a valence of M is represented by k, wherein 0<x<1, 0<y<1, and 3x+ky=3.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: November 20, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiang-Ming He, Jian-Jun Li, Li-Chun Zhang, Wei-Hua Pu, Jian Gao
  • Bonding apparatus
    Patent number: 8291956
    Abstract: A bonding apparatus for bonding a first substrate and a second substrate includes a base body, a first stripping device, a second stripping device, at least two vacuum bonding devices, and a loading mechanism. The first stripping device removes a film from the first substrate, and the second stripping device removes a film from the second substrate. The at least two vacuum bonding devices are arranged on the base body and aligned with each other. The loading mechanism includes a slide-rail on the base body and an adjustment assembly slidably connected to the slide-rail. The loading mechanism transfers a first substrate and a second substrate into one vacuum bonding device, and then, sliding on the slider, transfers another first substrate and another second substrate to another vacuum bonding device.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: October 23, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Dong-Sheng Lin, Tzyy-Chyi Tsai, Jian-Jun Li
  • Electrode composite material, method for making the same, and lithium ion battery using the same
    Patent number: 8277979
    Abstract: An anode composite material includes an anode active material particle having a surface and a continuous aluminum phosphate layer. The continuous aluminum phosphate layer is coated on the surface of the anode active material particle. The present disclosure also relates to a lithium ion battery that includes the cathode composite material.
    Type: Grant
    Filed: May 16, 2011
    Date of Patent: October 2, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xian-Kun Huang, Xiang-Ming He, Chang-Yin Jiang, Dan Wang, Jian Gao, Jian-Jun Li
  • Method for making conjugated polymer
    Patent number: 8273829
    Abstract: The present disclosure relates to a method for making a conjugated polymer. In the method, polyacrylonitrile, a solvent, and a catalyst are provided. The polyacrylonitrile is dissolved in the solvent to form a polyacrylonitrile solution. The catalyst is uniformly dispersed into the polyacrylonitrile solution. The polyacrylonitrile solution with the catalyst is heated to induce a cyclizing reaction of the polyacrylonitrile, thereby forming a conjugated polymer solution with conjugated polymer.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: September 25, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiang-Ming He, Li Wang, Wei-Hua Pu, Wen-Ting Sun, Jian-Jun Li
  • METHOD FOR MAKING MODIFIED CURRENT COLLECTOR OF LITHIUM ION BATTERY
    Publication number: 20120219704
    Abstract: A method for making a modified current collector of a lithium ion battery is provided. In the method, the modifier and a metal plate are provided. The modifier is a mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide provided in a liquid phase solvent. The modifier is coated on a surface of the metal plate to form a coating layer. The coated metal plate is heat treated to transform the coating layer into a protective film formed on the surface of the metal plate.
    Type: Application
    Filed: May 3, 2012
    Publication date: August 30, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIANG-MING HE, JIAN-JUN LI, LI-CHUN ZHANG, WEI-HUA PU, JIAN GAO, JIAN-GUO REN
  • Modified current collector of lithium ion battery, method for making the same, and lithium ion battery using the same
    Patent number: 8252463
    Abstract: A modified current collector includes a metal plate and a protective film disposed on a surface of the metal plate. A composition of the protective film is at least one of AlxMyPO4 and AlxMy(PO3)3. M represents at least one chemical element selected from the group consisting of Cr, Zn, Mg, Zr, Mo, V, Nb, and Ta. A valence of M is represented by k, wherein 0<x<1, 0<y<1, and 3x+ky=3.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: August 28, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiang-Ming He, Jian-Jun Li, Li-Chun Zhang, Wei-Hua Pu, Jian Gao, Jian-Guo Ren
  • Electrode of lithium ion battery, method for making the same, and lithium ion battery using the same
    Patent number: 8247116
    Abstract: An electrode of a lithium ion battery includes a current collector, an electrode material layer disposed on a top surface of the current collector, and a protective film located on a top surface of the electrode material layer. A composition of the protective film is at least one of AlxMyPO4 and AlxMy(PO3)3, M represents at least one chemical element selected from the group consisting of Cr, Zn, Mg, Zr, Mo, V, Nb, and Ta, and a valence of M is represented by k, wherein 0<x<1, 0<y<1, and 3x+ky=3.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: August 21, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiang-Ming He, Jian-Jun Li, Li-Chun Zhang, Wei-Hua Pu, Jian Gao
  • ELECTRODE OF LITHIUM ION BATTERY AND LITHIUM ION BATTERY USING THE SAME
    Publication number: 20120196177
    Abstract: An electrode of a lithium ion battery includes a current collector, an electrode material layer disposed on a top surface of the current collector, and a protective film located on a top surface of the electrode material layer. A composition of the protective film is at least one of AlxMyPO4 and AlxMy(PO3)3, M represents at least one chemical element of Cr, Zn, Mg, Zr, Mo, V, Nb, and Ta, and a valence of M is represented by k, wherein 0<x<1, 0<y<1, and 3x+ky=3.
    Type: Application
    Filed: April 13, 2012
    Publication date: August 2, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIANG-MING HE, JIAN-JUN LI, LI-CHUN ZHANG, WEI-HUA PU, JIAN GAO
  • ELECTRODE COMPOSITE MATERIAL OF LITHIUM ION BATTERY AND LITHIUM ION BATTERY USING THE SAME
    Publication number: 20120196176
    Abstract: An electrode composite material includes an individual electrode active material particle and a protective film coated on a surface of the particle. A composition of the protective film is AlxMyPO4, AlxMy(PO3)3, or a combination thereof. M represents at least one of Cr, Zn, Mg, Zr, Mo, V, Nb, or Ta. A valence of M is represented by k, in which 0<x<1, 0<y<1, and 3x+ky=3. In addition, a molar ratio of an aluminum element, an M element, and a phosphorous element in AlxMyPO4 or AlxMy(PO3)3 is set by (MolAl+MolMetal):Molp equal to about 1:2.5 to about 1:4, MolAl is the amount of substance of the aluminum element, MolMetal is the amount of substance of the M element, and Molp is the amount of substance of the phosphorous element. A lithium ion battery includes the electrode composite material.
    Type: Application
    Filed: April 13, 2012
    Publication date: August 2, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIANG-MING HE, JIAN-JUN LI, LI-CHUN ZHANG, JIAN-GUO REN, JIAN GAO, WEI-HUA PU
  • METHOD FOR MAKING ELECTRODE COMPOSITE MATERIAL
    Publication number: 20120168696
    Abstract: The present disclosure relates to a method for making an electrode composite material. In the method, a trivalent aluminum source, a doped element source, and electrode active material particles are provided. The trivalent aluminum source and the doped element source are dissolved in a solvent to form a solution having trivalent aluminum ions and doped ions. The electrode active material particles are mixed with the solution having the trivalent aluminum ions and doped ions to form a mixture. A phosphate radical containing solution is added to the mixture to react with the trivalent aluminum ions and doped ions, thereby forming a number of electrode composite material particles. The electrode composite material particles are heated.
    Type: Application
    Filed: April 29, 2011
    Publication date: July 5, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIAN-KUN HUANG, XIANG-MING HE, CHANG-YIN JIANG, DAN WANG, JIAN GAO, JIAN-JUN LI
  • ELECTRODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME
    Publication number: 20120171570
    Abstract: The present disclosure relates to an electrode composite material. The electrode composite material includes a number of electrode composite material particles. Each of the plurality of electrode composite material particles includes an electrode active material particle and a doped aluminum phosphate layer coated on a surface of the electrode active material particle. A material of the doped aluminum phosphate layer is a semiconducting doped aluminum phosphate.
    Type: Application
    Filed: April 29, 2011
    Publication date: July 5, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIAN-KUN HUANG, XIANG-MING HE, CHANG-YIN JIANG, DAN WANG, JIAN GAO, JIAN-JUN LI
  • Electrode composite material of lithium ion battery, method for making the same, and lithium ion battery using the same
    Patent number: 8211570
    Abstract: An electrode composite material includes an individual electrode active material particle and a protective film coated on a surface of the particle. A composition of the protective film is at least one of AlxMyPO4 and AlxMy(PO3)3, M represents at least one chemical element selected from the group consisting of Cr, Zn, Mg, Zr, Mo, V, Nb, and Ta, and a valence of M is represented by k, wherein 0<x<1, 0<y<1, and 3x+ky=3.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: July 3, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiang-Ming He, Jian-Jun Li, Li-Chun Zhang, Jian-Guo Ren, Jian Gao, Wei-Hua Pu
  • LITHIUM TITANATE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME
    Publication number: 20120164535
    Abstract: A lithium titanate composite material includes lithium titanate particles and an AlPO4/C composite layer disposed on a surface of the lithium titanate particles. The AlPO4/C composite layer includes aluminum phosphate and carbon. The lithium titanate composite material, as an anode active material, can be applied to a lithium ion battery to increase its electrochemical stability.
    Type: Application
    Filed: May 3, 2011
    Publication date: June 28, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIAN-KUN HUANG, XIANG-MING HE, CHANG-YIN JIANG, DAN WANG, JIAN GAO, JIAN-JUN LI
  • STEREO DISPLAY APPARATUS AND LENS ARRAY THEREOF
    Publication number: 20120162194
    Abstract: An exemplary stereo display apparatus includes a pixel array and a lens array. The pixel array includes a plurality of pixel units arrayed in parallel rows and parallel columns. The lens array covers the pixel array, and includes a plurality of lenticular lens units arrayed in said rows and columns. The lenticular lens units are parallel to each other, and the adjacent lenticular lens units arrayed in columns have a stagger arrangement along a first direction along which the pixel units are arrayed in rows, thereby the adjacent lenticular lens units arrayed in columns are arranged in terraced steps.
    Type: Application
    Filed: March 30, 2011
    Publication date: June 28, 2012
    Applicant: Shenzhen Super Perfect Optics LTD.
    Inventors: Chih-wei Chen, Po-chuan Chen, Yi-pai Huang, Syuan Li, Jian-jun Li
  • LITHIUM TITANATE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME
    Publication number: 20120164536
    Abstract: A lithium titanate composite material includes a lithium titanate particle and a double layered structure coated on a surface of the lithium titanate particle. The double layered structure includes a carbon layer directly disposed on the surface of the lithium titanate particle, and an AlPO4 layer disposed on an outer surface of the carbon layer. The lithium titanate composite material, as an anode active material, can be applied to a lithium ion battery to increase its electrochemical stability.
    Type: Application
    Filed: May 3, 2011
    Publication date: June 28, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIAN-KUN HUANG, XIANG-MING HE, CHANG-YIN JIANG, DAN WANG, JIAN GAO, JIAN-JUN LI
  • METHOD FOR MAKING SEPARATOR OF LITHIUM ION BATTERY
    Publication number: 20120148734
    Abstract: A method for making a separator of a lithium ion battery is provided. In the method, a modifier, and a porous membrane are provided. The modifier is a mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide provided in a liquid phase solvent. The modifier is coated on a surface of the porous membrane to form a coating layer. The coated porous membrane is dried to form a modifier layer disposed on the surface of the porous membrane.
    Type: Application
    Filed: February 16, 2012
    Publication date: June 14, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIANG-MING HE, WEI-HUA PU, LI-CHUN ZHANG, JIAN-GUO REN, JIAN-JUN LI, JIAN GAO