Manganese Component Is Active Material Patents (Class 429/224)
  • Patent number: 10784516
    Abstract: A novel electrode is provided. A novel power storage device is provided. A conductor having a sheet-like shape is provided. The conductor has a thickness of greater than or equal to 800 nm and less than or equal to 20 ?m. The area of the conductor is greater than or equal to 25 mm2 and less than or equal to 10 m2. The conductor includes carbon and oxygen. The conductor includes carbon at a concentration of higher than 80 atomic % and oxygen at a concentration of higher than or equal to 2 atomic % and lower than or equal to 20 atomic %.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: September 22, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Teruaki Ochiai, Takahiro Kawakami, Takuya Miwa
  • Patent number: 10720641
    Abstract: A positive electrode active material for a lithium ion secondary battery has a rock salt type structure represented by General Formula: LixTi2x-1Mn2-3xO (0.50<x<0.67)??(1) and has an average particle size of 0.5 ?m or less.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: July 21, 2020
    Assignee: NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
    Inventor: Naoaki Yabuuchi
  • Patent number: 10680242
    Abstract: A composite oxide with high diffusion rate of lithium is provided. Alternatively, a lithium-containing complex phosphate with high diffusion rate of lithium is provided. Alternatively, a positive electrode active material with high diffusion rate of lithium is provided. Alternatively, a lithium ion battery with high output is provided. Alternatively, a lithium ion battery that can be manufactured at low cost is provided. A positive electrode active material is formed through a first step of mixing a lithium compound, a phosphorus compound, and water, a second step of adjusting pH by adding a first aqueous solution to a first mixed solution formed in the first step, a third step of mixing an iron compound with a second mixed solution formed in the second step, a fourth step of performing heat treatment under a pressure more than or equal to 0.1 MPa and less than or equal to 2 MPa at a highest temperature more than 100° C. and less than or equal to 119° C.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: June 9, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takuya Miwa, Yumiko Yoneda, Teppei Oguni
  • Patent number: 10651470
    Abstract: An electrode formed from a material represented by Li1-xMxCo1-yM?yO2-d where 0<x?0.2, 0?y<1, and 0<d?0.2. M and M? each independently comprises a metal selected from the group consisting of transition metals, Group I elements, and Group II elements.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 12, 2020
    Assignee: Wildcat Discovery Technologies, Inc.
    Inventors: Tanghong Yi, Bin Li
  • Patent number: 10644313
    Abstract: An electrode material of formula Li2+xNiuTivNbwO4 where: 0<x<0.3, u>0 and w>0, x+u+v+w=2, x+2u+4v+5w=6, the electrode material having a crystal structure of disordered NaCl type. A cathode having this material as an electronically active material and also the lithium-ion battery containing this cathode are also contemplated.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: May 5, 2020
    Assignee: Commissariat a l'Energie Atomique et aux Energies
    Inventors: Jean-François Colin, Carole Bourbon, Quentin Jacquet
  • Patent number: 10622623
    Abstract: A composite cathode active material, includes a first metal oxide having a first layered crystal structure; and a second metal oxide having a second layered crystal structure, wherein the second metal oxide includes a layered double oxide (LDO). Also a cathode and a lithium battery including the composite cathode active material.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: April 14, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Youhwan Son, Seongyong Park, Jinsu Ha, Sukgi Hong, Kwangjin Park, Junho Park, Byungjin Choi
  • Patent number: 10615412
    Abstract: The present application relates to a method comprising: (a) providing a battery comprising a manganese oxide composition as a primary active material; and (b) cycling the battery by: (i) galvanostatically discharging the battery to a first Vcell; (ii) galvanostatically charging the battery to a second Vcell; and (iii) potentiostatically charging at the second Vcell for a first defined period of time. The present application also relates to a chemical composition produced by the method above. The present application also relates to a battery comprising a chemical composition having an X-ray diffractogram pattern expressing a Bragg peak at about 26°, said peak being of greatest intensity in comparison to other expressed Bragg peaks. The present application also relates to a battery comprising one or more chemical species, the one or more chemical species produced by cycling an activated composition.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: April 7, 2020
    Assignee: Octopus Technologies Inc.
    Inventors: David P. Wilkinson, Arman Bonakdarpour, Ivan Stosevski
  • Patent number: 10601037
    Abstract: The invention provides a dual component lithium-rich layered oxide positive electrode material for a secondary battery, the material consisting of a single-phase lithium metal oxide with space group R-3m and having the general formula Li1+bN1?bO2, wherein 0.155?b?0.25 and N=NixMnyCOzZrcAd, with 0.10?x?0.40, 0.30?y?0.80, 0<z?0.20, 0.005?c?0.03, and 0?d?0.10, and wherein x+y+z+c+d=1, with A being a dopant comprising at least one element, and the material further consisting of a Li2ZrO3 component.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: March 24, 2020
    Assignees: UMICORE, UMICORE KOREA, LTD.
    Inventors: Xin Xia, Song-Yi Han, Ji-Hye Kim, Jens Paulsen
  • Patent number: 10593943
    Abstract: The present invention relates to a surface treatment method for lithium cobalt oxide, comprising the steps of: (S1) mixing lithium cobalt oxide and an organic phosphoric acid compound; and (S2) heat treating and calcining the mixture prepared in step (S1). The surface treatment method of the present invention is simpler and has higher reproducibility than a conventional surface coating and doping technique, and can improve electrochemical characteristics by reinforcing the structural stability of lithium cobalt oxide. In addition, LiCoO2 prepared by the surface treatment method of the present invention is structurally stable during charging/discharging and does not cause unnecessary phase transition, and thus has excellent lifetime characteristics.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: March 17, 2020
    Inventors: Yong-mook Kang, Seul-hee Min, Mi-ru Jo
  • Patent number: 10573946
    Abstract: Provided is a lithium air battery, particularly, a lithium air battery capable of being easily charged and discharged to thereby improve performance and reliability, having economic feasibility, preventing leakage of ions, and having firmly inter-coupled electrodes to thereby improve durability.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: February 25, 2020
    Assignee: SK Innovation Co., Ltd.
    Inventors: Myoung Gu Park, Kyong Sik Kim, Hee Young Sun, Dock Young Yoon, Sang Jin Kim
  • Patent number: 10547051
    Abstract: A lithium deficient cathode active material for lithium-ion batteries is described. More particularly, the lithium deficient cathode active material can have multiphase structures, including both a layered or hexagonal structure (e.g., having an R-3m space group) and a spinel structure (e.g., having a Fd-m space group). Batteries including the cathode active material and methods of preparing the cathode active material are also described.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: January 28, 2020
    Assignee: North Carolina Agricultural and Technical University
    Inventor: Sungjin Cho
  • Patent number: 10535866
    Abstract: A scale-like graphite and carbon material for a battery electrode which is suitable for use as an electrode material for an aqueous-electrolyte secondary battery, wherein the ratio IG/ID (G value) between the peak area (ID) in a range of 1300 to 1400 cm?1 and the peak area (IG) in a range of 1580 to 1620 cm?1 by Raman spectroscopy spectra, in which an edge surface of the particle of the scale-like graphite is measured with by a Raman microspectrometer, is 5.2 to 100 and the average interplanar spacing d002 of plane (d002) by the X-ray diffraction method is 0.337 nm or less and optical structures of the scale-like graphite have a specific shape; the method for producing the same; a carbon material for a battery electrode and a paste for an electrode containing the material; and a secondary battery having excellent charge/discharge cycle characteristics and high current load characteristics.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: January 14, 2020
    Assignee: SHOWA DENKO K.K.
    Inventors: Yasuaki Wakizaka, Yuichi Kamijo, Tomohiro Abe, Yoshiki Shimodaira, Akinori Sudoh, Chiaki Sotowa, Yoshihito Yokoyama, Takashi Terashima
  • Patent number: 10468681
    Abstract: An olivine cathode material capable of 3-dimensional lithium diffusion and a method of preparing the same is provided, and more particularly, an olivine cathode material capable of 3-dimensional lithium diffusion having an olivine crystal structure of a composition of the following formula 1, wherein excess lithium ions are present in an iron ion site is provided. Li(LixFe1-x)PO4 (the x=0.01 to 0.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: November 5, 2019
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Ki-Suk Kang, Kyu-Young Park
  • Patent number: 10446829
    Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer. The active material-containing layer includes an Na-containing niobium-titanium composite oxide having an orthorhombic crystal structure. The active material-containing layer satisfies I2/I1?1. I1 is an intensity of a peak P1 appearing in a binding energy range of 289 eV to 292 eV in an X-ray photoelectron spectroscopy spectrum of the active material-containing layer. I2 is an intensity of a peak P2 appearing in a binding energy range of 283 eV to 285 eV in the X-ray photoelectron spectroscopy spectrum of the active material-containing layer.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: October 15, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yusuke Namiki, Keigo Hoshina, Yasuhiro Harada, Norio Takami
  • Patent number: 10446826
    Abstract: A method for making a lithium ionic energy storage element, the method includes the steps of: (a) mixing a lithium ion donor, a positive electrode frame active substance and a binder with a predetermined weight ratio to form a mixture, and adding the mixture into a dispersant to form a positive electrode active substance, wherein the lithium ion donor includes lithium peroxide, lithium oxide or a combination thereof; (b) coating the positive electrode active substance on an aluminum foil to form a film, and baking the film to form a positive electrode; and (c) forming a lithium ionic energy storage element by assembling the positive electrode, a negative electrode having a negative electrode active substance and a porous separate strip interposed between the positive electrode and the negative electrode, and filling an electrolyte into the porous separate strip.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: October 15, 2019
    Assignee: AMITA TECHNOLOGIES INC LTD.
    Inventors: Jing-Yih Cherng, Bing-Joe Hwang, Hsuan-Fu Wang, Wei-Nien Su, Chao-Yen Kuo
  • Patent number: 10442699
    Abstract: Provided is a new method for producing a positive electrode active material for lithium secondary batteries, by which even in the case of washing a spinel type lithium transition metal oxide with water or the like, the service life characteristics can be further enhanced, and the concentration of magnetic substances can be effectively reduced. Suggested is a method for producing a positive electrode active material for lithium secondary batteries, the method including a water washing step of bringing a powder of a spinel type lithium transition metal oxide into contact with a polar solvent and thereby washing the powder; and a drying step of subsequently drying the powder by heating the powder to 300° C. to 700° C. in an atmosphere containing oxygen.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: October 15, 2019
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Shinya Kagei, Yoshimi Hata, Yasuhiro Ochi
  • Patent number: 10374220
    Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery including a positive electrode. The positive electrode includes a positive electrode active material-containing layer. The positive electrode active material-containing layer includes at least one lithium-nickel composite oxide and a conductive agent. The positive electrode active material-containing layer has, in a particle size distribution obtained by a laser diffraction scattering method, an average particle diameter d50 within a range of 1 ?m to 5.5 ?m, a maximum particle diameter within a range of 10 ?m to 100 ?m, a particle diameter d10 within a range of 0.5 ?m to 3 ?m, and X, represented by X=(d50?d10)/d50, within a range of 0.5 to less than 1.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: August 6, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hikaru Yoshikawa, Kazuya Kuriyama, Hidesato Saruwatari, Masanori Tanaka, Tetsuro Kano
  • Patent number: 10319998
    Abstract: A positive active material for a lithium secondary battery containing a lithium transition metal composite oxide having a hexagonal crystal structure in which the transition metal (Me) includes Ni, Co and Mn, wherein in the lithium transition metal composite oxide, a molar ratio of Ni to the transition metal (Me) (Ni/Me) is 0.5 or more and 0.9 or less, a molar ratio of Co to the transition metal (Me) (Co/Me) is 0.1 or more and 0.3 or less, a molar ratio of Mn to the transition metal (Me) (Mn/Me) is 0.03 or more and 0.3 or less, and a value obtained by dividing a half width ratio F(003)/F(104) at a potential of 4.3 V (vs. Li/Li+) by a half width ratio F(003)/F(104) at a potential of 2.0 V (vs. Li/Li+) is 0.9 or more and 1.1 or less.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: June 11, 2019
    Assignee: GS Yuasa International
    Inventors: Daisuke Endo, Hiromasa Muramatsu
  • Patent number: 10297863
    Abstract: An alkali metal-based energy storage system, having at least one composite electrode containing an active material, and an electrolyte containing a lithium salt dissolved in an aprotic organic solvent, an ionic fluid and/or a polymer matrix. The electrolyte further contains an additive selected from a cation or a compound of a metal selected from Mg, Al, Cu and/or Cr. The metal selected from Mg, Al, Cu and/or Cr is applied onto the active material and/or the active material of the composite electrode is partially replaced by the metal selected from Mg, Al, Cu and/or Cr in the form of a metal powder or a metal salt.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: May 21, 2019
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Antonia Reyes Jimenez, Martin Winter, Johannes Kasnatscheew, Marius Amereller, Raphael Wilhelm Schmitz, Ralf Wagner, Dennis Gallus, Benjamin Streipert, Bjoern Hoffmann, Stephan Roeser, Juan Pablo Badillo Jimenez, Vadim Kraft
  • Patent number: 10297816
    Abstract: Disclosed is an electrode active material including a core formed from one selected from the group consisting of lithium-containing transition metal oxide, a carbon material, a lithium metal, and a metal compound, or mixtures thereof, and a shell formed on a surface of the core and including lithium metal oxide particles and polymer, and a lithium secondary battery using the same.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: May 21, 2019
    Assignee: Kokam Co., Ltd.
    Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo
  • Patent number: 10263248
    Abstract: The present invention relates to a lithium secondary battery including a negative electrode and a positive electrode, wherein the negative electrode includes a first negative electrode active material made of a carbonaceous material, and a second negative electrode active material having a lower initial charge/discharge efficiency than the first negative electrode active material, and the initial charge/discharge efficiency of the negative electrode is lower than the initial charge/discharge efficiency of the positive electrode. The present invention provides a lithium secondary battery capable of realizing high output by remarkably reducing the resistance at a low state-of-charge (SOC) level.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: April 16, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Yong Ju Lee, Hyun Wook Kim, Eun Kyung Kim
  • Patent number: 10236508
    Abstract: A positive active material includes an overlithiated lithium transition metal oxide including: a metal cation and a Li2MO3 phase, wherein M is at least one metal selected from a Period 4 transition metal having an average oxidation number of +4 and a Period 5 transition metal having an average oxidation number of +4, and wherein an amount of the Li2MO3 phase is less than or equal to about 20 mole percent, based on 1 mole of the overlithiated lithium transition metal oxide.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: March 19, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sungjin Ahn, Jinhwan Park, Jayhyok Song, Andrei Kapylou, Byongyong Yu
  • Patent number: 10205191
    Abstract: An electrolyte for a rechargeable lithium battery includes a lithium salt, an organic solvent, and an additive. The organic solvent includes a sulfur-containing compound represented by Chemical Formula 1 and a fluoroalkyl ether, and the additive includes a phosphazene compound represented by Chemical Formula 3. A rechargeable lithium battery including the electrolyte may have improved cycle-life characteristics and safety.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: February 12, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Duck-Hyun Kim, Moon-Sung Kim, Jeong-Hye Lee, Sang-Il Han, Pavel Alexandrovich Shatunov, Woo-Cheol Shin
  • Patent number: 10074856
    Abstract: A lithium-rich manganese-based positive electrode material represented by formula (I). In an X-ray diffraction pattern of the lithium-rich manganese-based positive electrode material, a ratio of a diffraction peak intensity of a Bragg angle near 18.7° to a diffraction peak intensity of a Bragg angle near 44.6° is 1.10 to 1.24. A method for preparing the lithium-rich manganese-based positive electrode material comprises: mixing a lithium-rich manganese-based compound with a lithium remover; and under the effect of the lithium remover, removing part of Li2O from Li2MnO3 in the lithium-rich manganese-based compound, so as to obtain the lithium-rich manganese-based positive electrode material. Due to the reduction of the irreversible product Li2O, the initial coulombic efficiency is improved; because of existence of lithium vacancy and oxygen vacancy, the lithium-rich manganese-based positive electrode material has good rate performance and cycle performance.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: September 11, 2018
    Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINGEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Yonggao Xia, Bao Qiu, Zhaoping Liu
  • Patent number: 10062898
    Abstract: In an example of the surface coating method, an aromatic resin or a polycyclic aromatic hydrocarbon is dissolved in an organic solvent to form a solution. A film precursor is formed on a surface of an electrode material by immersing the electrode material into the solution, and evaporating the organic solvent. The electrode material is selected from the group consisting of an electrode active material particle and a pre-formed electrode. The film precursor is exposed to i) a thermal treatment having a temperature equal to or less than 500° C., or ii) ultraviolet light irradiation, or iii) both i and ii, to carbonize the film precursor to form a carbon film on the surface of the electrode material. Also disclosed herein is a method for improving electrochemical performance of an electrode for a lithium based battery.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: August 28, 2018
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Xingcheng Xiao
  • Patent number: 10044030
    Abstract: A composite positive electrode active material, the positive electrode active material including: a first metal oxide having a layered structure; and a second metal oxide having a spinel structure, wherein second metal oxide is represented by Formula 1, and wherein the first metal oxide and the second metal oxide form a composite: Li2M1(1+a)Mn(3?a)O8??Formula 1 wherein, in Formula 1, ?1<a<1; and M1 is at least one element selected from Groups 4 to 10, 13, and 14 of the Periodic Table, and wherein M1 is not Mn. Also a positive electrode including the composite positive electrode active material, and a lithium battery including the positive electrode.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: August 7, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byungjin Choi, Yoonsok Kang, Junho Park, Jinhwan Park, Sungjin Ahn, Donghee Yeon, Jaegu Yoon
  • Patent number: 10008718
    Abstract: The positive electrode active material for use in a lithium ion secondary cell disclosed herein includes: a base portion formed of a lithium transition metal complex oxide capable of occluding and releasing lithium ions; and a coating portion formed on at least part of a surface of the base portion, the coating portion being formed of an electrically conductive oxide with a perovskite structure including, as constituent elements, cobalt and at least one of manganese and nickel.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: June 26, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Ryuta Sugiura
  • Patent number: 9985277
    Abstract: An olivine structured nano-composite LiMxMn1?xPO4/C was synthesized by a sol-gel assisted high energy ball mill method and the synthesis method does not require any inert atmosphere. Electrochemical cycling studies were carried out between 3.0-4.6V using 1M LiPF6 in 1:1 EC/DEC as electrolyte. The charge/discharge cycling studies of the nano-composite exhibit an average discharge capacity of 158 mAh/g at 0.1 C rate over the investigated 50 cycles.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 29, 2018
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sukumaran Gopukumar, Chandrasekaran Nithya, Ramasamy Thirunakaran, Arumugam Sivashanmugam
  • Patent number: 9947919
    Abstract: The conductivity of a zinc negative electrode is enhanced through use of surfactant-coated carbon fibers. Carbon fibers, along with other active materials such as bismuth oxide, zinc etc., form an electronically conductive matrix in zinc negative electrodes. Zinc negative electrodes as described herein are particularly useful in nickel zinc secondary batteries.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: April 17, 2018
    Assignee: ZincFive Power, Inc.
    Inventors: Jeffrey Phillips, Samaresh Mohanta, Deepan Bose, Cecilia Maske
  • Patent number: 9923206
    Abstract: Disclosed is an electrode material comprising a phthalocyanine compound encapsulated by a protective material, preferably in a core-shell structure with a phthalocyanine compound core and a protective material shell. Also disclosed is a rechargeable lithium cell comprising: (a) an anode; (b) a cathode comprising an encapsulated or protected phthalocyanine compound as a cathode active material; and (c) a porous separator disposed between the anode and the cathode and/or an electrolyte in ionic contact with the anode and the cathode. This secondary cell exhibits a long cycle life, the best cathode specific capacity, and best cell-level specific energy of all rechargeable lithium-ion cells ever reported.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: March 20, 2018
    Assignee: Nanotek Instruments, Inc.
    Inventors: Guorong Chen, Bor Z. Jang, Aruna Zhamu
  • Patent number: 9917307
    Abstract: The invention relates to novel electrodes containing one or more active materials comprising: AaM1vM2wM3xM4YM5zO2?C(Formula 1) wherein A comprises either sodium or a mixed alkali metal in which sodium is the constituent; M1 is nickel in oxidation state less than or equal to 4+, M2 comprises a metal in oxidation state less than or equal to 4+, M3 comprises a metal in oxidation state 2+, M4 comprises a metal in oxidation state less than or equal to 4+, and M5 comprises a metal in oxidation state 3+ wherein 0?a?1 v>0 at least one of w and y is >0 x?0 z?0 c>0.1 where (a, v, w, x, y, z and c) are chosen to maintain electroneutrality. Such materials are useful, for example, as electrode materials in sodium-ion battery applications.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: March 13, 2018
    Assignee: FARADION LTD
    Inventors: Jeremy Barker, Richard Heap
  • Patent number: 9899665
    Abstract: Disclosed is a sodium secondary battery. The sodium secondary battery comprises a first electrode and a second electrode comprising a carbonaceous material. The carbonaceous material satisfies one or more requirements selected from the group consisting of requirements 1, 2, 3 and 4. Requirement 1: R value (=ID/IG) obtained by Raman spectroscopic measurement is 1.07 to 3. Requirement 2: A value and ?A value obtained by small angle X-ray scattering measurement are ?0.5 to 0 and 0 to 0.010, respectively. Requirement 3: for an electrode comprising an electrode mixture obtained by mixing 85 parts by weight of the carbonaceous material with 15 parts by weight of poly(vinylidene fluoride), the carbonaceous material in the electrode after being doped and dedoped with sodium ions is substantially free from pores having a size of not less than 10 nm. Requirement 4: Q1 value obtained by a calorimetric differential thermal analysis is not more than 800 joules/g.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: February 20, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Taketsugu Yamamoto, Hideaki Nakajima, Hiroshi Inukai, Shigekazu Ohmori, Chikara Murakami, Daisuke Nakaji, Hidekazu Yoshida, Maiko Saka
  • Patent number: 9899664
    Abstract: Provided are a cathode active material with excellent high-temperature life that suppresses the elution of metal elements from the cathode active metal and the generation of different phase therein and exhibits a high potential, as well as a high-voltage lithium ion battery that achieves excellent high-temperature life by applying such a cathode active material. The cathode active material for a lithium ion battery is represented by a compositional formula LiaNixMnyMzO4-?F? (where M is one or more elements selected from the group consisting of Ti, Ge, Mg, Co, Fe, Cu, and Al, and a, x, y, z, and ? satisfy the following formulas: 1?a<1.08, 0.4?x<0.5, 0<z?0.3, a+x+y+z=3, and 0<??0.2).
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: February 20, 2018
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Takahiro Yamaki, Masanari Oda
  • Patent number: 9899700
    Abstract: Methods and apparatus to form biocompatible energization elements are described. In some examples, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry and depositing separators within a laminate structure of the battery. The active elements of the cathode and anode are sealed with a laminate stack of biocompatible material. In some examples, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: February 20, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner, Frederick A. Flitsch, Shivkumar Mahadevan
  • Patent number: 9859035
    Abstract: Provided is a method whereby metal oxide nanoparticles having evenness of size are efficiently and highly dispersedly adhered to conductive carbon powder.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: January 2, 2018
    Assignee: NIPPON CHEMI-CON CORPORATION
    Inventors: Katsuhiko Naoi, Wako Naoi, Satoshi Kubota, Daisuke Yonekura, Shuichi Ishimoto, Kenji Tamamitsu
  • Patent number: 9843080
    Abstract: An aspect of the present invention is an electrical device, where the device includes a current collector and a porous active layer electrically connected to the current collector to form an electrode. The porous active layer includes MgBx particles, where x?1, mixed with a conductive additive and a binder additive to form empty interstitial spaces between the MgBx particles, the conductive additive, and the binder additive. The MgBx particles include a plurality of boron sheets of boron atoms covalently bound together, with a plurality of magnesium atoms reversibly intercalated between the boron sheets and ionically bound to the boron atoms.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: December 12, 2017
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: Yufeng Zhao, Chunmei Ban, Daniel Ruddy, Philip A. Parilla, Seoung-Bum Son
  • Patent number: 9786909
    Abstract: A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode contains a lithium compound and a negative electrode current collector supporting the lithium compound. A log differential intrusion curve obtained when a pore size diameter of the negative electrode is measured by mercury porosimetry has a peak in a pore size diameter range of 0.03 to 0.2 ?m and attenuates with a decrease in pore size diameter from an apex of the peak. A specific surface area (excluding a weight of the negative electrode current collector) of pores of the negative electrode found by mercury porosimetry is 6 to 100 m2/g. A ratio of a volume of pores having a pore size diameter of 0.05 ?m or less to a total pore volume is 20% or more.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: October 10, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hidesato Saruwatari, Hideaki Morishima, Hiroki Inagaki, Norio Takami
  • Patent number: 9774034
    Abstract: To increase the amount of lithium ions that can be received in and released from a positive electrode active material to achieve high capacity and high energy density of a secondary battery. A lithium manganese oxide particle includes a first region and a second region. The valence number of manganese in the first region is lower than the valence number of manganese in the second region. The lithium manganese oxide has high structural stability and high capacity characteristics.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: September 26, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takahiro Kawakami, Mayumi Mikami, Shunsuke Adachi, Shuhei Yoshitomi, Teruaki Ochiai, Yumiko Yoneda, Yohei Momma, Satoshi Seo
  • Patent number: 9745194
    Abstract: The invention provides a method of producing a cathode active material for a lithium secondary battery, whereby it is possible to configure a lithium secondary battery in which the discharge capacity is improved and elution of lithium ions from the lithium metal phosphate is suppressed when washing the lithium metal phosphate after the same was synthesized. The method of producing a cathode active material for a lithium secondary battery includes synthesizing a lithium metal phosphate represented by a composition formula LiMPO4, wherein the element M represents one or two or more of transition metals selected from among Fe, Mn, Co and Ni, and after the synthesis, washing the lithium metal phosphate with a washing liquid containing lithium ion.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: August 29, 2017
    Assignee: SHOWA DENKO K.K.
    Inventors: Isao Kabe, Akihiko Shirakawa, Gaku Oriji, Akihisa Tonegawa
  • Patent number: 9742037
    Abstract: A nonaqueous electrolyte battery includes: a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the positive electrode contains, as a positive electrode active material, a positive electrode material having a surface composition represented by the following formula (I); the nonaqueous electrolyte contains a halogenated carbonate represented by any of the following formulae (1) to (2) and an alkylbenzene represented by the following formula (3); a content of the halogenated carbonate is 0.1% by mass or more and not more than 50% by mass relative to the nonaqueous electrolyte; and a content of the alkylbenzene is 0.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: August 22, 2017
    Assignee: Sony Corporation
    Inventors: Toru Odani, Akira Yamaguchi, Masahiro Miyamoto, Tadahiko Kubota
  • Patent number: 9711256
    Abstract: The present invention relates to a graphene-nanoparticle composite having a structure in which nanoparticles are crystallized at a high density in a carbon-based material, for example, graphene, and, more particularly, to a graphene-nanoparticle composite capable of remarkably improving physical properties such as contact characteristics between basal planes of graphene and conductivity since nanoparticles are included as a large amount of 20 to 50% by weight, based on 100% by weight of graphene, and a method of preparing the same.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: July 18, 2017
    Assignee: CHEORWON PLASMA RESEARCH INSTITUTE
    Inventors: Steven Kim, Byung-Koo Son, Myoung-Sun Shin, Sung-Hun Ryu, Sun-Yong Choi, Kyu-Hang Lee
  • Patent number: 9694351
    Abstract: Platinum or platinum group metal decorated non-oxide materials that are formed using a synthesis pathway that avoids the production of intermediate oxides. The materials are suitable for use as catalysts and may or may not be porous.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: July 4, 2017
    Assignee: STC.UNM
    Inventors: Aaron Joseph Roy, Timothy L Ward, Alexey Serov, Plamen B Atanassov
  • Patent number: 9692039
    Abstract: The disclosure is related to battery systems. More specifically, embodiments of the disclosure provide a nanostructured conversion material for use as the active material in battery cathodes. In an implementation, a nanostructured conversion material is a glassy material and includes a metal material, one or more oxidizing species, and a reducing cation species mixed at a scale of less than 1 nm. The glassy conversion material is substantially homogeneous within a volume of 1000 nm3.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: June 27, 2017
    Assignee: QuantumScape Corporation
    Inventors: Timothy Holme, Jagdeep Singh, Rainer Fasching, Joseph Han, Weston Arthur Hermann, Cheng Chieh Chao, Bradley O. Stimson, Karl Brown
  • Patent number: 9680158
    Abstract: A fuel cell includes: (1) an anode; (2) a cathode; and (3) an electrolyte disposed between the anode and the cathode. At least one of the anode and the cathode includes an electro-catalyst dispersed on a hybrid support, the hybrid support includes a first, carbon-based support and a second support different from the first, carbon-based support, and a weight percentage of the second support is at least 10% relative to a combined weight of the first, carbon-based support and the second support.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: June 13, 2017
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Yu Huang, Yujing Li
  • Patent number: 9666862
    Abstract: Provided is a lithium secondary battery having improved discharge characteristics in a range of high-rate discharge while minimizing a dead volume and at the same time, having increased cell capacity via increased electrode density and electrode loading amounts, by inclusion of two or more active materials having different redox levels so as to exert superior discharge characteristics in the range of high-rate discharge via sequential action of cathode active materials in a discharge process, and preferably having different particle diameters.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: May 30, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Sung kyun Chang, Seo-Jae Lee, Sanghoon Choy, Euiyong Bang, Minchul Jang, Ki-Young Lee
  • Patent number: 9653730
    Abstract: An electrochemically active material comprising a mixture or blend of two groups of particles, exhibits synergetic effect. The two groups of particles are compounds of formula LixHyV3O8 and compounds of formula LixMyPO4 wherein M is one or more transition metals, comprising at least one metal which is capable of undergoing oxidation to a higher valence state. In order to obtain a synergistic effect, the particles of formula (I) and the particles of formule (II) are present in amounts of 5:95% by weight to 95:5% by weight.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: May 16, 2017
    Assignee: Belenos Clean Power Holding AG
    Inventor: Cedric Pitteloud
  • Patent number: 9614226
    Abstract: A lithium transition metal oxide powder for use in a rechargeable battery is disclosed, where the surface of the primary particles of said powder is coated with a first inner and a second outer layer, the second outer layer comprising a fluorine-containing polymer, and the first inner layer consisting of a reaction product of the fluorine-containing polymer and the primary particle surface. An example of this reaction product is LiF, where the lithium originates from the primary particles surface. Also as an example, the fluorine-containing polymer is either one of PVDF, PVDF-HFP or PTFE.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: April 4, 2017
    Assignee: Umicore
    Inventors: Jens Paulsen, Randy De Palma, HeonPyo Hong, KyuBo Kim
  • Patent number: 9579636
    Abstract: Novel materials having high surface area rendering them suitable for a variety of applications including, but not limited to: catalysts for methane reforming; ammonia synthesis; alcohol synthesis from syngas; hydrodesulfurization; electrocatalysis for hydrogen evolution reaction; and as corrosion-resistant supports for platinum in PEM fuel cells. In general the method comprises the formation of a high-surface area refractory metal-based material using a novel synthesis pathway that avoids the production of intermediate oxide. The method may include the in situ formation of a sacrificial support that can be removed using non-aggressive means, such as, for example, chemical etching with a mild acid or by altering reaction conditions.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: February 28, 2017
    Assignee: STC.UNM
    Inventors: Aaron Joseph Roy, Timothy L Ward, Alexey Serov, Plamen B Atanassov
  • Patent number: 9570736
    Abstract: In some embodiments, the present disclosure pertains to methods of forming electrodes on a surface. In some embodiments, the formed electrodes have a three-dimensional current collector layer. In some embodiments, the present disclosure pertains to the formed electrodes. In some embodiments, the present disclosure pertains to energy storage devices that contain the formed electrodes.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: February 14, 2017
    Assignee: WILLIAM MARSH RICE UNIVERSITY
    Inventors: Charudatta Galande, Neelam Singh, Suman Khatiwada, Pulickel M. Ajayan
  • Patent number: 9559381
    Abstract: Disclosed is a sodium-ion secondary battery having excellent charge and discharge efficiencies as well as excellent charge and discharge characteristics, wherein charging and discharging can be repeated without causing problems such as deterioration in battery performance. Specifically disclosed is a sodium ion secondary battery which is provided with a positive electrode, a negative electrode having a negative electrode active material, and a nonaqueous electrolyte solution containing a nonaqueous solvent. The nonaqueous solvent is substantially composed of a saturated cyclic carbonate (excluding the use of ethylene carbonate by itself), or a mixed solvent of a saturated cyclic carbonate and a chain carbonate, and a hard carbon is used as the negative electrode active material.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: January 31, 2017
    Assignee: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION
    Inventors: Shinichi Komaba, Tomoaki Ozeki, Wataru Murata, Toru Ishikawa