Patents by Inventor YAO-WU WANG
YAO-WU WANG 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).
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Publication number: 20170170440Abstract: A method for making a composite separator is disclosed. In the method, a liquid dispersion of single ion nanoconductors is prepared. The liquid dispersion of the single ion nanoconductors is uniformly mixed with a polymer to form a film casting solution. The film casting solution is applied to a surface of a porous film.Type: ApplicationFiled: February 24, 2017Publication date: June 15, 2017Applicants: JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO., LTD., TSINGHUA UNIVERSITYInventors: Jiang Cao, Xiang-Ming He, Yu-Ming Shang, Li Wang, Jian-Jun Li, Hong-Sheng Zhang, Jian Gao, Yao-Wu Wang, Jing Luo, Zhen Liu
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Publication number: 20170166677Abstract: A method for making a single ion nanoconductor is disclosed. In the method, a solution of nano sol is formed through a hydrolysis reaction. A silane coupling agent is added in the solution of nano sol, and heated in a protective gas to have a reaction thereby obtaining a solution of C?C group grafted nano sol. A methyl methacrylate monomer, an acrylic acid monomer, and an initiator are added to the solution of C?C group grafted nano sol, and heated to have a reaction thereby forming a nano sol-P(AA -MMA) composite. The nano sol-P(AA-MMA) composite is heated at an elevated pressure in a liquid phase medium to obtain a dehydroxy crystalline oxide nanoparticle-P(AA-MMA) composite. The dehydroxy crystalline oxide nanoparticle-P(AA-MMA) composite and lithium hydroxide are mixed and heated in an organic solvent to obtain the liquid dispersion of single ion nanoconductors.Type: ApplicationFiled: February 24, 2017Publication date: June 15, 2017Applicants: JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO., LTD., TSINGHUA UNIVERSITYInventors: Jiang Cao, Xiang-Ming He, Yu-Ming Shang, Li Wang, Jian-Jun Li, Hong-Sheng Zhang, Yao-Wu Wang, Jian Gao, Jing Luo
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Publication number: 20170162870Abstract: A method for making a cathode composite material is disclosed. The method comprises: providing a maleimide type material, wherein the maleimide type material is selected from the group consisting of a maleimide type monomer, a polymer formed from the maleimide type monomer, and combinations thereof; mixing the maleimide type material with a cathode active material uniformly to form a mixture; heating the mixture at a temperature of about 200° C. to about 280° C. in a protective gas to obtain the cathode composite material. The cathode composite material, and a lithium ion battery using the same are also disclosed.Type: ApplicationFiled: February 24, 2017Publication date: June 8, 2017Applicants: JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO., LTD., TSINGHUA UNIVERSITYInventors: Guan-Nan Qian, Xiang-Ming He, Li Wang, Yu-Ming Shang, Jian-Jun Li, Zhen Liu, Jian Gao, Hong-Sheng Zhang, Yao-Wu Wang
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Publication number: 20170117584Abstract: An additive for a lithium ion battery is disclosed. The additive is a polymer obtained by polymerizing a maleimide type monomer with an organic diamine type compound. The maleimide type monomer comprises at least one of a maleimide monomer, a bismaleimide monomer, a multimaleimide monomer and a maleimide type derivative monomer. An electrolyte liquid and a lithium ion battery are also disclosed.Type: ApplicationFiled: January 6, 2017Publication date: April 27, 2017Applicants: JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO., LTD., TSINGHUA UNIVERSITYInventors: Guan-Nan Qian, Xiang-Ming He, Yu-Ming Shang, Jian-Jun Li, Li Wang, Jian Gao, Ju-Ping Yang, Yao-Wu Wang, Peng Zhao
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Publication number: 20170117590Abstract: A cathode composite material is disclosed. The cathode composite material comprises a cathode active material and a polymer composed with the cathode active material. The polymer is obtained by polymerizing a maleimide type monomer with an organic diamine type compound. The maleimide type monomer comprises at least one of a maleimide monomer, a bismaleimide monomer, a multimaleimide monomer and a maleimide type derivative monomer. A method for making the cathode composite material and a lithium ion battery are also disclosed.Type: ApplicationFiled: January 9, 2017Publication date: April 27, 2017Applicants: JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO., LTD., TSINGHUA UNIVERSITYInventors: Guan-Nan Qian, Xiang-Ming He, Li Wang, Yu-Ming Shang, Jian-Jun Li, Zhen Liu, Jian Gao, Hong-Sheng Zhang, Yao-Wu Wang
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Publication number: 20170077477Abstract: A method for making a polyolefin composite separator is disclosed. Methyl methacrylate and ?-(triethoxysilyl) propyl methacrylate are polymerized to form a copolymer. The copolymer and polyvinylidene fluoride are dissolved in a first solvent to form a first solution. A polyolefin porous film is immersed in a second solvent to soak the polyolefin porous film. The first solution is applied to a surface of the second solvent soaking polyolefin porous film. The polyolefin porous film having the first solution applied thereon is immersed in a third solvent to form holes, thereby forming a gel polymer electrolyte precursor layer on the surface of the polyolefin porous film. The polyolefin porous film having the gel polymer electrolyte precursor layer formed thereon is fumigated in an atmosphere of hydrochloric acid gas. A polyolefin composite separator and a lithium ion battery are also disclosed.Type: ApplicationFiled: November 22, 2016Publication date: March 16, 2017Applicants: JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO., LTD., TSINGHUA UNIVERSITYInventors: Peng Zhao, Xiang-Ming He, Yu-Ming Shang, Li Wang, Ju-Ping Yang, Jian-Jun Li, Jian Gao, Yao-Wu Wang
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Publication number: 20170077473Abstract: A method for making a polyolefin composite separator is disclosed. Methyl methacrylate and ?-(triethoxysilyl)propyl methacrylate are polymerized to form a copolymer. The copolymer is dissolved in a first solvent to form a copolymer solution. The copolymer solution is applied to a surface of a polyolefin porous film, and dried to form a gel polymer electrolyte precursor layer on the surface of the polyolefin porous film. The polyolefin porous film having the gel polymer electrolyte precursor layer applied thereon is fumigated in an atmosphere of hydrochloric acid gas. A polyolefin composite separator and a lithium ion battery are also disclosed.Type: ApplicationFiled: November 22, 2016Publication date: March 16, 2017Applicants: JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO., LTD., TSINGHUA UNIVERSITYInventors: Peng Zhao, Xiang-Ming He, Yu-Ming Shang, Li Wang, Ju-Ping Yang, Jian-Jun Li, Jian Gao, Yao-Wu Wang
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Publication number: 20170040611Abstract: A method for making a cathode active material of a lithium ion battery is disclosed. In the method, LiMPO4 particles and LiNPO4 particles are provided. The LiMPO4 particles and LiNPO4particles both are olivine type crystals belonged to a pnma space group of an orthorhombic crystal system, wherein M represents Fe, Mn, Co, or Ni, N represents a metal element having a +2 valence, and N is different from M. The LiMPO4 particles and the LiNPO4 particles are mixed together to form a precursor. The precursor is calcined to form LiMxN1-xPO4 particles, wherein 0<x<1.Type: ApplicationFiled: August 22, 2016Publication date: February 9, 2017Applicants: JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO., LTD., TSINGHUA UNIVERSITYInventors: Zhong-Jia Dai, Xiang-Ming He, Li Wang, Jian-Jun Li, Yu-Ming Shang, Jian Gao, Yao-Wu Wang
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Publication number: 20160301098Abstract: A method of making a polymer lithium ion battery comprises following steps. A case and a battery core located within the case are provided. A mixture is obtained by mixing a first polymer monomer, a second polymer monomer, and a conventional electrolyte solution, wherein the second polymer monomer comprises siloxy group. A lithium ion battery preform is formed by injecting the mixture into the case and sealing the case. The lithium ion battery preform is irradiated with a radiation light, wherein the first polymer monomer and the second polymer monomer are polymerized.Type: ApplicationFiled: June 17, 2016Publication date: October 13, 2016Inventors: XIANG-MING HE, PENG ZHAO, JIAN-JUN LI, YU-MING SHANG, LI WANG, JU-PING YANG, JIAN GAO, YAO-WU WANG
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Patent number: 9461326Abstract: In a method for making an anion electrolyte membrane, an inorganic nano-powder is uniformly dispersed in an organic solvent to form a mixture. A fluorinated poly(aryl ether) ionomer is dissolved in the mixture to form a first solution. An active component is further dissolved in the first solution to form a second solution. A crosslinking catalyst is added to the second solution to form a membrane casting solution. The membrane casting solution is coated on a substrate to form a membrane, and the coated substrate is heated. Then, the membrane is peeled from the substrate.Type: GrantFiled: September 11, 2013Date of Patent: October 4, 2016Assignees: Tsinghua University, HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: Yu-Ming Shang, Yao-Wu Wang, Xiao-Feng Xie, Min Xu, Jin-Hai Wang, Shu-Bo Wang
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Publication number: 20160200589Abstract: A method for making lithium cobalt oxide requires a cobalt salt solution and an alkaline solution as reactants, these reactants being put into a controlled crystallization reactor containing a buffer agent. The reactants are stirred to form spheres of cobalt oxyhydroxide. The spherical cobalt oxyhydroxide is put into a lithium hydroxide solution to have a hydrothermal reaction in a hydrothermal reactor to replace the hydrogen in cobalt oxyhydroxide with the lithium in lithium hydroxide, to form a product of spheres.Type: ApplicationFiled: February 25, 2016Publication date: July 14, 2016Inventors: MOU FANG, YAO-WU WANG, XIANG-MING HE, LI WANG, YU-MING SHANG, JIAN GAO, JIAN-WEI GUO, ZONG-QIANG MAO
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Patent number: 9379406Abstract: In a method for making anion electrolyte membrane a fluorinated poly(aryl ether) ionomer is dissolved in a solvent to form a ionomer solution. A crosslink component is added to the ionomer solution, to achieve a transparent solution. An inorganic component precursor and water are introduced to the transparent solution, to form a sol-gel mixture. A crosslink catalyst is mixed with the sol-gel mixture to form a membrane casting solution. The membrane casting solution is coated on a substrate to form a membrane, and heated. The membrane is removed from the substrate.Type: GrantFiled: July 24, 2013Date of Patent: June 28, 2016Assignees: Tsinghua University, HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: Yu-Ming Shang, Yao-Wu Wang, Shu-Bo Wang, Yong-Gang Liu, Jin-Hai Wang, Xiao-Feng Xie
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Publication number: 20160167979Abstract: A method for making a spherical cobalt oxyhydroxide requires a controlled crystallization reactor. A buffer agent is put into the controlled crystallization reactor. The buffer agent is capable of controlling a reacting speed of reactants. A cobalt salt solution and an alkaline solution as the reactants are added into the buffer agent in the controlled crystallization reactor. The reactants react together in a controlled crystallization method, the reactants being agitated only at a bottom region of the container of the controlled crystallization reactor.Type: ApplicationFiled: February 25, 2016Publication date: June 16, 2016Inventors: MOU FANG, YAO-WU WANG, XIANG-MING HE, LI WANG, YU-MING SHANG, JIAN GAO, JIAN-WEI GUO, ZONG-QIANG MAO
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Publication number: 20160111754Abstract: The present disclosure provides an electrolyte additive. The electrolyte additive comprises: maleimide derivative, bis-maleimide derivative, or combinations there of The structural formulas of maleimide derivative and bis-maleimide derivative respectively are: wherein, R1, R2 are selected from hydrogen atom and halogen atoms, R3 is selected from silicon containing group, nitrogen containing group, fluorine containing group, phosphorus containing group, and a repeating ethoxy group. The present disclosure also provides an electrolyte liquid and a lithium ion battery using the electrolyte additive.Type: ApplicationFiled: December 29, 2015Publication date: April 21, 2016Inventors: JU-PING YANG, XIANG-MING HE, LI WANG, JIAN-JUN LI, YU-MING SHANG, JIAN GAO, YAO-WU WANG, JIAN-WEI GUO
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Publication number: 20160111696Abstract: A method for making a polyimide microporous separator comprising: using a flexible monomer to prepare a soluble polyimide by a one-step method, and forming a polyimide liquid solution; providing an inorganic template of inorganic nanoparticles, and surface treating the inorganic template with a surface treatment agent in an organic solvent to dissolve the inorganic template in the organic solvent, thereby forming an inorganic template liquid dispersion; mixing the polyimide liquid solution with the inorganic template liquid dispersion and agitation to form a film forming liquid; coating the film forming liquid on a substrate to form an organic-inorganic composite film; and disposing the organic-inorganic composite film into a template removing agent, the inorganic template in the organic-inorganic composite film reacting with the template removing agent to remove the inorganic template from the organic-inorganic composite film.Type: ApplicationFiled: December 28, 2015Publication date: April 21, 2016Inventors: YU-MING SHANG, YAO-WU WANG, XIANG-MING HE, JIAN-JUN LI, LI WANG, PENG ZHAO, JU-PING YANG
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Patent number: 9133029Abstract: A method for making lithium iron phosphate is provided. In the method, an alkali is reacted with a ferric salt in water to form a red colored ferric hydroxide precipitate in the water. The red colored ferric hydroxide precipitate is mixed with deionized water, organic solvent, and emulsifier to form an water-in-oil emulsion. The phosphoric acid solution and iron metal powder are added to the water-in-oil emulsion to form ferrous hydrogen phosphate. A lithium source is introduced to the water-in-oil emulsion and reacted with the ferrous hydrogen phosphate to form a precursor in the water-in-oil emulsion. The precursor is heated in a protective gas at a heating temperature in a range from about 600° C. to about 800° C. to form lithium iron phosphate.Type: GrantFiled: September 6, 2013Date of Patent: September 15, 2015Assignees: Tsinghua University, HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: Yu-Ming Shang, Yao-Wu Wang, Xiao-Feng Xie, Shu-Bo Wang, Jin-Hai Wang, Yong-Gang Liu, Xiao Zhao, Jing-Bo Chen, Mou Fang
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Publication number: 20140080015Abstract: In a method for making an anion electrolyte membrane, an inorganic nano-powder is uniformly dispersed in an organic solvent to form a mixture. A fluorinated poly(aryl ether) ionomer is dissolved in the mixture to form a first solution. An active component is further dissolved in the first solution to form a second solution. A crosslinking catalyst is added to the second solution to form a membrane casting solution. The membrane casting solution is coated on a substrate to form a membrane, and the coated substrate is heated. Then, the membrane is peeled from the substrate.Type: ApplicationFiled: September 11, 2013Publication date: March 20, 2014Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) Co., LTD., TSINGHUA UNIVERSITYInventors: YU-MING SHANG, YAO-WU WANG, XIAO-FENG XIE, MIN XU, JIN-HAI WANG, SHU-BO WANG
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Publication number: 20140072496Abstract: A method for making lithium iron phosphate is provided. In the method, an alkali is reacted with a ferric salt in water to form a red colored ferric hydroxide precipitate in the water. The red colored ferric hydroxide precipitate is mixed with deionized water, organic solvent, and emulsifier to form an water-in-oil emulsion. The phosphoric acid solution and iron metal powder are added to the water-in-oil emulsion to form ferrous hydrogen phosphate. A lithium source is introduced to the water-in-oil emulsion and reacted with the ferrous hydrogen phosphate to form a precursor in the water-in-oil emulsion. The precursor is heated in a protective gas at a heating temperature in a range from about 600° C. to about 800° C. to form lithium iron phosphate.Type: ApplicationFiled: September 6, 2013Publication date: March 13, 2014Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD, TSINGHUA UNIVERSITYInventors: YU-MING SHANG, YAO-WU WANG, XIAO-FENG XIE, SHU-BO WANG, JIN-HAI WANG, YONG-GANG LIU, XIAO ZHAO, JING-BO CHEN, MOU FANG
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Publication number: 20140030613Abstract: In a method for making anion electrolyte membrane a fluorinated poly(aryl ether) ionomer is dissolved in a solvent to form a ionomer solution. A crosslink component is added to the ionomer solution, to achieve a transparent solution. An inorganic component precursor and water are introduced to the transparent solution, to form a sol-gel mixture. A crosslink catalyst is mixed with the sol-gel mixture to form a membrane casting solution. The membrane casting solution is coated on a substrate to form a membrane, and heated. The membrane is removed from the substrate.Type: ApplicationFiled: July 24, 2013Publication date: January 30, 2014Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., TSINGHUA UNIVERSITYInventors: YU-MING SHANG, YAO-WU WANG, SHU-BO WANG, YONG-GANG LIU, JIN-HAI WANG, XIAO-FENG XIE