Patents by Inventor Jinjun Shi

Jinjun Shi 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).

  • Publication number: 20170304213
    Abstract: This invention relates to amphiphile-polymer particles comprising obtaining a first solution comprising a water-insoluble polymer, a payload and a first amphiphile in a water-miscible solvent; mixing the first solution with an aqueous second solution to form an aqueous composition comprising a particle comprising a water-insoluble polymeric core comprising the water-insoluble polymer; the payload; and the first amphiphile.
    Type: Application
    Filed: October 23, 2015
    Publication date: October 26, 2017
    Inventors: Jinjun Shi, Xi Zhu, Omid C. Farokhzad, Xiaoding Xu, Yanlan Liu, Aude Thiriot, Ulrich Von Andrian
  • Publication number: 20170200938
    Abstract: A nano graphene-enhanced particulate for use as a lithium-ion battery anode active material, wherein the particulate is formed of a single sheet of graphene or a plurality of graphene sheets and a plurality of fine anode active material particles with a size smaller than 10 ?m. The graphene sheets and the particles are mutually bonded or agglomerated into the particulate with at least a graphene sheet embracing the anode active material particles. The amount of graphene is at least 0.01% by weight and the amount of the anode active material is at least 0.1% by weight, all based on the total weight of the particulate. A lithium-ion battery having an anode containing these graphene-enhanced particulates exhibits a stable charge and discharge cycling response, a high specific capacity per unit mass, a high first-cycle efficiency, a high capacity per electrode volume, and a long cycle life.
    Type: Application
    Filed: January 11, 2017
    Publication date: July 13, 2017
    Inventors: Aruna Zhamu, Jinjun Shi, Guorong Chen, Qing Fang, Bor Z. Jang
  • Patent number: 9685678
    Abstract: A material suitable for use in an electrode, preferably an anode, and processes of its formation are provided. The material includes an electrode base material and an organic artificial solid electrolyte interface material including a water soluble organic polymer coating the electrode base material. The polymer is polymerized with a crosslinker to form the organic artificial solid electrolyte interface material. The resulting artificial SEI coated electrode material demonstrates superior discharge rate capacity and cycle stability.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: June 20, 2017
    Assignee: A123 Systems, LLC
    Inventors: Viet Vu, Jinjun Shi, Pu Zhang
  • Patent number: 9640334
    Abstract: A flexible, asymmetric electrochemical cell comprising: (A) A sheet of graphene paper as first electrode comprising nano graphene platelets having a platelet thickness less than 1 nm, wherein the first electrode has electrolyte-accessible pores; (B) A thin-film or paper-like first separator and electrolyte; and (C) A thin-film or paper-like second electrode which is different in composition than the first electrode; wherein the separator is sandwiched between the first and second electrode to form a flexible laminate configuration. The asymmetric supercapacitor cells with different NGP-based electrodes exhibit an exceptionally high capacitance, specific energy, and stable and long cycle life.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: May 2, 2017
    Assignee: Nanotek Instruments, Inc.
    Inventors: Zhenning Yu, Jinjun Shi, Chen-guang Liu, Bor Z. Jang, Aruna Zhamu
  • Patent number: 9558860
    Abstract: A nano graphene-enhanced particulate for use as a lithium-ion battery anode active material, wherein the particulate is formed of a single sheet of graphene or a plurality of graphene sheets and a plurality of fine anode active material particles with a size smaller than 10 ?m. The graphene sheets and the particles are mutually bonded or agglomerated into the particulate with at least a graphene sheet embracing the anode active material particles. The amount of graphene is at least 0.01% by weight and the amount of the anode active material is at least 0.1% by weight, all based on the total weight of the particulate. A lithium-ion battery having an anode containing these graphene-enhanced particulates exhibits a stable charge and discharge cycling response, a high specific capacity per unit mass, a high first-cycle efficiency, a high capacity per electrode volume, and a long cycle life.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: January 31, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Aruna Zhamu, Jinjun Shi, Guorong Chen, Qing Fang, Bor Z. Jang
  • Patent number: 9549901
    Abstract: A particle includes an aqueous core; a first amphiphilic layer surrounding the aqueous core; and a polymeric matrix surrounding the first amphiphilic layer.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: January 24, 2017
    Assignees: The Brigham and Women's Hospital, Inc., Massachusetts Institute of Technology
    Inventors: Jinjun Shi, Zeyu Xiao, Cristian Vilos, Alexander Votruba, Robert S. Langer, Omid C. Farokhzad
  • Publication number: 20160354403
    Abstract: Disclosed herein are genes which are differentially expressed in venule endothelial cells (V-ECs) compared to non-venule endothelial cells (NV-ECs) and methods, compositions, kits, and agents relating to those genes.
    Type: Application
    Filed: July 9, 2014
    Publication date: December 8, 2016
    Inventors: Ulrich H. von Andrian, Aude Thiriot, Omid Farokhzad, Jinjun Shi
  • Publication number: 20160339113
    Abstract: Disclosed herein are microvessel endothelial cell surface markers and methods, compositions, agents, and kits relating to those surface markers.
    Type: Application
    Filed: July 9, 2014
    Publication date: November 24, 2016
    Inventors: UIrich H. VON ANDRIAN, Aude THIRIOT, Omid FAROKHZAD, Jinjun SHI
  • Patent number: 9439859
    Abstract: The present invention provides compositions and systems for delivery of nanocarriers to cells of the immune system. The invention provides nanocarriers capable of stimulating an immune response in T cells and/or in B cells. The invention provides nanocarriers that comprise an immunofeature surface and an immunostimulatory moiety. In some embodiments, the immunostimulatory moiety is adjuvant. The invention provides pharmaceutical compositions comprising inventive nanocarriers. The present invention provides methods of designing, manufacturing, and using inventive nanocarriers and pharmaceutical compositions thereof.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: September 13, 2016
    Assignees: Massachusetts Institute of Technology, The Brigham and Women's Hospital, Inc., Presidents and Fellows of Harvard College
    Inventors: Frank Alexis, Matteo Iannacone, Jinjun Shi, Pamela Basto, Elliott Ashley Moseman, Ulrich von Andrian, Robert S. Langer, Omid C. Farokhzad, Elena Tonti
  • Patent number: 9437344
    Abstract: This invention provides a graphite or graphite-carbon particulate for use as a lithium secondary battery anode material having a high-rate capability. The particulate is formed of a core carbon or graphite particle and a plurality of satellite carbon or graphite particles that are each separately bonded to the core particle wherein the core particle is spherical in shape, slightly elongate in shape with a major axis-to-minor axis ratio less than 2, or fibril in shape, and wherein the satellite particles are disc-, platelet-, or flake-like particles each containing a graphite crystallite with a crystallographic c-axis dimension Lc and a lateral dimension. Preferably, Lc is less than 100 nm and the flake/platelet lateral dimension is less than 1 ?m. The core particle may be selected from natural graphite, artificial graphite, spherical graphite, graphitic coke, meso-carbon micro-bead, soft carbon, hard carbon, graphitic fibril, carbon nano-fiber, carbon fiber, or graphite fiber.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: September 6, 2016
    Assignee: Nanotek Instruments, Inc.
    Inventors: Aruna Zhamu, Jinjun Shi, Guorong Chen, Qing Fang, Bor Z. Jang, Ming C. Wang
  • Publication number: 20160126591
    Abstract: Processes of improving the safety of lithium ion cells are provided without compromising cell performance. Provided are processes of forming a gel electrolyte that for the first time can fully substitute a liquid electrolyte and provide similar performance but also has greatly improved safety. A process includes in situ formation of a gel electrolyte in the presence of a liquid electrolyte material and then subjecting the resulting gel to a wetting step. The resulting gel electrolyte is capable of excellent cycle life and capacity without the presence of remaining liquid electrolyte.
    Type: Application
    Filed: June 9, 2014
    Publication date: May 5, 2016
    Inventors: Pu Zhang, Hongxia Zhou, Jinjun Shi
  • Patent number: 9308280
    Abstract: The present invention provides compositions and systems for delivery of nanocarriers to cells of the immune system. The invention provides nanocarriers capable of stimulating an immune response in T cells and/or in B cells. The invention provides nanocarriers that comprise an immunofeature surface. The nanocarriers are capable of targeting antigen presenting cells when administered to a subject. The invention provides pharmaceutical compositions comprising inventive nanocarriers. The present invention provides methods of designing, manufacturing, and using inventive nanocarriers and pharmaceutical compositions thereof.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: April 12, 2016
    Assignees: Massachusetts Institute of Technology, President and Fellows of Harvard College, The Brigham and Women's Hospital, Inc.
    Inventors: Jinjun Shi, Frank Alexis, Matteo Iannacone, Elliott Ashley Moseman, Pamela Basto, Robert S. Langer, Omid C. Farokhzad, Ulrich H. von Andrian, Elena Tonti
  • Patent number: 9233072
    Abstract: The present invention provides compositions and systems for delivery of nanocarriers to cells of the immune system. The invention provides nanocarriers capable of stimulating an immune response in T cells and/or in B cells. The invention provides nanocarriers that comprise an immunofeature surface and an immunostimulatory moiety. In some embodiments, the immunostimulatory moiety is an adjuvant. The invention provides pharmaceutical compositions comprising inventive nanocarriers. The present invention provides methods of designing, manufacturing, and using inventive nanocarriers and pharmaceutical compositions thereof.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: January 12, 2016
    Assignees: Massachusetts Institute of Technology, The Brigham and Women's Hosptial, Inc., President and Fellows of Harvard College
    Inventors: Frank Alexis, Matteo Iannacone, Jinjun Shi, Pamela Basto, Elliott Ashley Moseman, Ulrich von Andrian, Robert S. Langer, Omid C. Farokhzad, Elena Tonti
  • Publication number: 20150364791
    Abstract: A material suitable for use in an electrode, preferably an anode, and processes of its formation are provided. The material includes an electrode base material and an organic artificial solid electrolyte interface material including a water soluble organic polymer coating the electrode base material. The polymer is polymerized with a crosslinker to form the organic artificial solid electrolyte interface material. The resulting artificial SEI coated electrode material demonstrates superior discharge rate capacity and cycle stability.
    Type: Application
    Filed: February 4, 2014
    Publication date: December 17, 2015
    Applicant: A123 Systems, Inc.
    Inventors: Viet Vu, Jinjun Shi, Pu Zhang
  • Patent number: 9190667
    Abstract: A composite composition for electrochemical cell electrode applications, the composition comprising multiple solid particles, wherein (a) a solid particle is composed of graphene platelets dispersed in or bonded by a first matrix or binder material, wherein the graphene platelets are not obtained from graphitization of the first binder or matrix material; (b) the graphene platelets have a length or width in the range of 10 nm to 10 ?m; (c) the multiple solid particles are bonded by a second binder material; and (d) the first or second binder material is selected from a polymer, polymeric carbon, amorphous carbon, metal, glass, ceramic, oxide, organic material, or a combination thereof. For a lithium ion battery anode application, the first binder or matrix material is preferably amorphous carbon or polymeric carbon. Such a composite composition provides a high anode capacity and good cycling response.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: November 17, 2015
    Assignee: Nanotek Instruments, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang, Jinjun Shi
  • Patent number: 9093693
    Abstract: A process for producing solid nanocomposite particles for lithium metal or lithium ion battery electrode applications is provided. In one preferred embodiment, the process comprises: (A) Preparing an electrode active material in a form of fine particles, rods, wires, fibers, or tubes with a dimension smaller than 1 ?m; (B) Preparing separated or isolated nano graphene platelets with a thickness less than 50 nm; (C) Dispersing the nano graphene platelets and the electrode active material in a precursor fluid medium to form a suspension wherein the fluid medium contains a precursor matrix material dispersed or dissolved therein; and (D) Converting the suspension to the solid nanocomposite particles, wherein the precursor matrix material is converted into a protective matrix material reinforced by the nano graphene platelets and the electrode active material is substantially dispersed in the protective matrix material.
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Aruna Zhamu, Bor Z. Jang, Jinjun Shi
  • Patent number: 9029019
    Abstract: A lithium secondary battery comprising a positive electrode, a negative electrode comprising a carbonaceous material which is capable of absorbing and desorbing lithium ions, and a non-aqueous electrolyte disposed between the negative electrode and the positive electrode. The carbonaceous material comprises a graphite crystal structure having an interplanar spacing d002 of at least 0.400 nm (preferably at least 0.55 nm) as determined from a (002) reflection peak in powder X-ray diffraction. This larger interplanar spacing implies a larger interstitial space between two graphene planes to accommodate a greater amount of lithium. The battery exhibits an exceptional specific capacity, excellent reversible capacity, and long cycle life.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: May 12, 2015
    Assignee: Nanotek Instruments, Inc.
    Inventors: Bor Z. Jang, Aruna Zhamu, Jinjun Shi, Jiusheng Guo
  • Patent number: 8968820
    Abstract: This invention provides a process for producing a hybrid nano-filament composition for use in a lithium battery electrode. The process comprises: (a) providing a porous aggregate of electrically conductive nano-wires that are substantially interconnected, intersected, physically contacted, or chemically bonded to form a porous network of electrically conductive filaments, wherein the nano-wires have a diameter or thickness less than 500 nm; and (b) depositing an electro-active coating onto a surface of the nano-wires, wherein the electro-active coating is capable of absorbing and desorbing lithium ions and the coating has a thickness less than 10 ?m, preferably less than 1 ?m. This process is applicable to the production of both an anode and a cathode. The battery featuring an anode or cathode made with this process exhibits an exceptionally high specific capacity, an excellent reversible capacity, and a long cycle life.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: March 3, 2015
    Assignee: Nanotek Instruments, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang, Jinjun Shi
  • Patent number: 8936874
    Abstract: This invention provides a nanocomposite-based lithium battery electrode comprising: (a) A porous aggregate of electrically conductive nano-filaments that are substantially interconnected, intersected, physically contacted, or chemically bonded to form a three-dimensional network of electron-conducting paths, wherein the nano-filaments have a diameter or thickness less than 1 ?m (preferably less than 500 nm); and (b) Sub-micron or nanometer-scale electro-active particles that are bonded to a surface of the nano-filaments with a conductive binder material, wherein the particles comprise an electro-active material capable of absorbing and desorbing lithium ions and wherein the electro-active material content is no less than 25% by weight based on the total weight of the particles, the binder material, and the filaments. Preferably, these electro-active particles are coated with a thin carbon layer. This electrode can be an anode or a cathode.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: January 20, 2015
    Assignee: Nanotek Instruments, Inc.
    Inventors: Jinjun Shi, Aruna Zhamu, Bor Z. Jang
  • Patent number: 8932595
    Abstract: The present invention provides compositions and systems for delivery of nanocarriers to cells of the immune system. The invention provides nanocarriers capable of stimulating an immune response in T cells and/or in B cells. The invention provides nanocarriers that comprise an immunofeature surface having a plurality of nicotine moieties. The invention provides pharmaceutical compositions comprising nanocarriers. The present invention provides methods of designing, manufacturing, and using nanocarriers and pharmaceutical compositions thereof. For example, the present invention describes nanocarriers capable of eliciting an immune response and the production of anti-nicotine antibodies.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: January 13, 2015
    Assignees: Massachusetts Institute of Technology, President and Fellows of Harvard College, The Brigham and Women's Hospital, Inc.
    Inventors: Matteo Iannacone, Ulrich von Andrian, Omid C. Farokhzad, Frank Alexis, Pamela Basto, Jinjun Shi, Elliott Ashley Moseman, Robert S. Langer, Elena Tonti