Alkaline Earth Metal Or Magnesium (mg) Component Is Active Material Patents (Class 429/231.6)
-
Publication number: 20140363740Abstract: Solid state energy storage systems and devices are provided. A solid state energy storage devices can include an active layer disposed between conductive electrodes, the active layer having one or more quantum confinement species (QCS), such as quantum dots, quantum particles, quantum wells, nanoparticles, nanostructures, nanowires and nanofibers. The solid state energy storage device can have a charge rate of at least about 500 V/s and an energy storage density of at least about 150 Whr/kg.Type: ApplicationFiled: July 10, 2012Publication date: December 11, 2014Applicant: QUANTUMSCAPE CORPORATIONInventors: Timothy P. Holme, Rainer Fasching, Joseph Han, Weston Arthur Hermann, Friedrich B. Prinz, Phil Reilly, Jagdeep Singh
-
Publication number: 20140356731Abstract: In a secondary battery, a negative electrode, an electrolytic solution for negative electrode, a diaphragm, an electrolytic solution for positive electrode, and a positive electrode are disposed in order. The negative electrode includes a negative-electrode active material that has an element whose oxidation-reduction potential is more “base” by 1.5 V or more than an oxidation-reduction potential of hydrogen, and whose volume density is larger than that of lithium metal. The diaphragm includes a solid electrolyte transmitting ions of said element alone. A secondary battery with high volumetric density is provided.Type: ApplicationFiled: September 21, 2012Publication date: December 4, 2014Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Junichi Niwa, Masataka Nakanishi, Kazuhito Kawasumi, Masakazu Murase
-
Publication number: 20140349187Abstract: A secondary battery capable of obtaining superior battery characteristics is provided. The secondary battery of the present technology includes a cathode, an anode including an active material, and an electrolytic solution. The active material includes a core section and covering section, the core section being capable of inserting and extracting lithium ions, and the covering section being provided in at least part of a surface of the core section and being a low-crystalline or a noncrystalline. The core section includes Si and O as constituent elements, and an atom ratio x (O/Si) of O with respect to Si satisfies O?x<0.5. The covering section includes Si and O as constituent elements, and an atom ratio y (O/Si) of O with respect to Si satisfies 0.5?y?1.8. The covering section has voids, and a carbon-containing material is provided in at least part of the voids.Type: ApplicationFiled: December 5, 2012Publication date: November 27, 2014Inventors: Takakazu Hirose, Kenichi Kawase, Norihiro Shimoi, Shinji Tanaka
-
Publication number: 20140342229Abstract: Disclosed are a cathode active material for a lithium secondary battery, and a lithium secondary battery including the same. The disclosed cathode active material includes a core including a compound represented by Formula 1; and a shell including a compound represented by Formula 2, in which the core and the shell have different material compositions.Type: ApplicationFiled: December 12, 2012Publication date: November 20, 2014Inventors: Byung-Sung Leo Kwak, Joseph G. Gordon, II, Omkaram Nalamasu, Yangkook Sun, Wongi Kim, Seugmin Oh
-
Publication number: 20140335416Abstract: An electric energy storage device comprises first and second conductor layers, and positive and negative electrodes. The first conductor layer has both surfaces coated with ionic or dipole material across entire surface thereof. The second conductor layer has both surfaces coated with ionic or dipole material across entire surface thereof. The positive electrode is attached to the first conductor layer. The negative electrode is attached to the second conductor. The stored electrical energy is discharged and output to the electrodes by using an external AC voltage in a predetermined frequency range as a trigger power.Type: ApplicationFiled: May 9, 2013Publication date: November 13, 2014Inventor: Woo Yong LIE
-
Publication number: 20140335407Abstract: A method for configuring a non-lithium-intercalation electrode includes intercalating an insertion species between multiple layers of a stacked or layered electrode material. The method forms an electrode architecture with increased interlayer spacing for non-lithium metal ion migration. A laminate electrode material is constructed such that pillaring agents are intercalated between multiple layers of the stacked electrode material and installed in a battery.Type: ApplicationFiled: May 9, 2014Publication date: November 13, 2014Inventors: Yan YAO, Yanliang LIANG
-
Publication number: 20140335409Abstract: A method is provided for fabricating a transition metal hexacyanometallate (TMHCM) electrode with a water-soluble binder. The method initially forms an electrode mix slurry comprising TMHCF and a water-soluble binder. The electrode mix slurry is applied to a current collector, and then dehydrated to form an electrode. The electrode mix slurry may additionally comprise a carbon additive such as carbon black, carbon fiber, carbon nanotubes, graphite, or graphene. The electrode is typically formed with TMHCM greater than 50%, by weight, as compared to a combined weight of the TMHCM, carbon additive, and binder. Also provided are a TMHCM electrode made with a water-soluble binder and a battery having a TMHCM cathode that is made with a water-soluble binder.Type: ApplicationFiled: July 24, 2014Publication date: November 13, 2014Inventors: Long Wang, Yuhao Lu, Sean Vail
-
Patent number: 8883348Abstract: An object of the present invention is to provide an electrode for a lithium ion secondary battery that can ensure a high level of safety even when exposed to severe conditions such as a nail penetration test or crush test, and exhibit excellent output characteristics. The present invention relates to an electrode for a lithium ion secondary battery having a material mixture containing active material particles capable of reversibly absorbing and desorbing lithium, and a current collector that carries the material mixture, wherein a surface of the current collector has recessed portions, and an area occupied by the recessed portions accounts for not less than 30% of an a material mixture carrying area of the current collector.Type: GrantFiled: July 21, 2006Date of Patent: November 11, 2014Assignee: Panasonic CorporationInventors: Hajime Nishino, Shuji Tsutsumi, Shinji Kasamatsu, Hideharu Takezawa, Mikinari Shimada
-
Patent number: 8877383Abstract: An electrochemical device, such as a magnesium-ion battery, comprises a first electrode including a first active material, a second electrode, and an electrolyte located between the first electrode and the second electrode. The electrolyte may include a magnesium compound, such as a magnesium salt. In representative examples, an improved active material includes a group 15 chalcogenide, in particular a bismuth chalcogenide, such as bismuth oxide or other chalcogenide. In various examples, the improved active material may be used in a positive or negative electrode of an example battery.Type: GrantFiled: June 21, 2010Date of Patent: November 4, 2014Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventor: Masaki Matsui
-
Publication number: 20140315086Abstract: This invention relates to a negative electrode material for lithium-ion batteries comprising silicon and having a chemically treated or coated surface influencing the zeta potential of the surface. The active material consists of particles or particles and wires comprising a core (11) comprising silicon, wherein the particles have a positive zeta potential in an interval between pH 3.5 and 9.5, and preferably between pH 4 and 9.5. The core is either chemically treated with an amino-functional metal oxide, or the core is at least partly covered with OySiHx groups, with 1<x<3, 1<y<3, and x>y, or is covered by adsorbed inorganic nanoparticles or cationic multivalent metal ions or oxides.Type: ApplicationFiled: December 13, 2012Publication date: October 23, 2014Inventors: Stijn Put, Jan Gilleir, Kris Driesen, Jean-Sebastien Bridel, Nicolas Marx, Delphine Longrie, Dan V. Goia, John I. Njagi
-
Publication number: 20140308544Abstract: A system and method for stabilizing electrodes against dissolution and/or hydrolysis including use of cosolvents in liquid electrolyte batteries for three purposes: the extension of the calendar and cycle life time of electrodes that are partially soluble in liquid electrolytes, the purpose of limiting the rate of electrolysis of water into hydrogen and oxygen as a side reaction during battery operation, and for the purpose of cost reduction.Type: ApplicationFiled: March 31, 2014Publication date: October 16, 2014Applicant: Alveo Energy, Inc.Inventors: Colin Deane Wessells, Ali Firouzi, Shahrokh Motallebi, Sven Strohband
-
Patent number: 8859147Abstract: The non-aqueous secondary battery of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator, the negative electrode contains a negative electrode active material containing a graphitic carbon material and a composite in which a carbon coating layer is formed on a surface of a core material containing Si and O as constituent elements, the composite has a carbon content of 10 to 30 mass %, the composite has an intensity ratio I510/I1343 of a peak intensity I510 at 510 cm?1 derived from Si to a peak intensity I1343 at 1343 cm?1 derived from carbon of 0.25 or less when a Raman spectrum of the composite is measured at a laser wavelength of 532 nm, and the half-width of the (111) diffraction peak of Si is less than 3.0° when the crystallite size of an Si phase contained in the core material is measured by X-ray diffractometry using CuK? radiation.Type: GrantFiled: June 11, 2013Date of Patent: October 14, 2014Assignee: Hitachi Maxell, Ltd.Inventors: Naokage Tanaka, Akira Inaba, Masayuki Yamada, Masayuki Yoshiya
-
Patent number: 8859143Abstract: A surface-enabled, metal ion-exchanging battery device comprising a cathode, an anode, a porous separator, and a metal ion-containing electrolyte, wherein the metal ion is selected from (A) non-Li alkali metals; (B) alkaline-earth metals; (C) transition metals; (D) other metals such as aluminum (Al); or (E) a combination thereof; and wherein at least one of the electrodes contains therein a metal ion source prior to the first charge or discharge cycle of the device and at least the cathode comprises a functional material or nano-structured material having a metal ion-capturing functional group or metal ion-storing surface in direct contact with said electrolyte, and wherein the operation of the battery device does not involve the introduction of oxygen from outside the device and does not involve the formation of a metal oxide, metal sulfide, metal selenide, metal telluride, metal hydroxide, or metal-halogen compound.Type: GrantFiled: January 3, 2011Date of Patent: October 14, 2014Assignee: Nanotek Instruments, Inc.Inventors: Aruna Zhamu, ChenGuang Liu, David Neff, Bor Z. Jang, Zhenning Yu
-
Patent number: 8846250Abstract: Disclosed is a cathode active material comprising a lithium-free metal oxide and a material with high irreversible capacity. A novel lithium ion battery system using the cathode active material is also disclosed. The battery, comprising a cathode using a mixture of a Li-free metal oxide and a material with high irreversible capacity, and an anode comprising carbon instead of Li metal, shows excellent safety compared to a conventional battery using lithium metal as an anode. Additionally, the novel battery system has a higher charge/discharge capacity compared to a battery using a conventional cathode active material such as lithium cobalt oxide, lithium nickel oxide or lithium manganese oxide.Type: GrantFiled: April 24, 2006Date of Patent: September 30, 2014Assignee: LG Chem, Ltd.Inventors: Eun Young Goh, Seung Tae Hong
-
Publication number: 20140272589Abstract: A negative electrode active material for an electric device according to the present invention includes crystalline metal having a structure in which a size in a perpendicular direction to a crystal slip plane is 500 nm or less. More preferably, the size in the perpendicular direction to the crystal slip plane is controlled to become 100 nm or less. As described above, a thickness in an orientation of the slip plane is controlled to become sufficiently small, and accordingly, micronization of the crystalline metal is suppressed even if breakage occurs from the slip plane taken as a starting point. Hence, a deterioration of a cycle lifetime can be prevented by applying the negative electrode active material for an electric device, which is as described above, or a negative electrode using the same, to an electric device, for example, such as a lithium ion secondary battery.Type: ApplicationFiled: October 1, 2012Publication date: September 18, 2014Applicant: NISSAN MOTOR CO., LTDInventors: Takashi Sanada, Wataru Ogihara, Manabu Watanabe, Atsushi Ito
-
Publication number: 20140272610Abstract: An active material composition includes a porous graphene nanocage and a source material. The source material may be a sulfur material. The source material may be an anodic material. A lithium-sulfur battery is provided that includes a cathode, an anode, a lithium salt, and an electrolyte, where the cathode of the lithium-sulfur battery includes a porous graphene nanocage and a sulfur material and at least a portion of the sulfur material is entrapped within the porous graphene nanocage. Also provided is a lithium-air battery that includes a cathode, an anode, a lithium salt, and an electrolyte, where the cathode includes a porous graphene nanocage and where the cathode may be free of a cathodic metal catalyst.Type: ApplicationFiled: March 12, 2013Publication date: September 18, 2014Applicant: UCHICAGO ARGONNE, LLCInventors: Khalil Amine, Jun Lu, Peng Du, Jianguo Wen, Larry A. Curtiss
-
Publication number: 20140272545Abstract: A secondary cell has a positive electrode, a negative electrode, and an electrolyte, and the positive electrode contains insoluble sulfur.Type: ApplicationFiled: March 7, 2014Publication date: September 18, 2014Applicant: Sony CorporationInventors: Yosuke Saito, Kazumasa Takeshi, Masataka Nakajin
-
Patent number: 8835053Abstract: Negative active materials and rechargeable lithium batteries including the negative active materials are provided. The negative active material includes an intermetallic compound of Si and a metal, and a metal matrix including Cu and Al. The negative active material may provide a rechargeable lithium battery having high capacity and excellent cycle-life and cell efficiency.Type: GrantFiled: March 18, 2008Date of Patent: September 16, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Min-Seok Sung, Goo-Jin Jeong, Yong-Mook Kang, Sang-Min Lee, Wan-Uk Choi, Sung-Soo Kim
-
Patent number: 8835051Abstract: Negative active materials for rechargeable lithium batteries are provided. One negative active material includes a metal matrix, and an intermetallic compound including a Si active metal and an additive metal dispersed in the metal matrix. The additive metal may be Ca, Mg, Na, K, Sr, Rb, Ba, Cs, or a combination thereof. The metal matrix may comprise Cu and Al. The negative active material may comprise a X(aM-bSi)—Y(cCu-dAl) material, where X is from about 30 to about 70 wt %, Y is from about 30 to about 70 wt %, X+Y is 100 wt %, a+b is 100 wt %, a is from about 20 to 80 wt %, b is from about 20 to 80 wt %, c+d is 100 wt %, c is from about 80 to about 95 wt %, d is from about 5 to about 20 wt %, and M may be Ca, Mg, Na, K, Sr, Rb, Ba, Cs, or a combination thereof.Type: GrantFiled: March 21, 2008Date of Patent: September 16, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Goo-Jin Jeong, Min-Sook Sung, Sang-Min Lee, Yong-Mook Kang, Wan-Uk Choi, Sung-Soo Kim
-
Publication number: 20140255784Abstract: Embodiments of the present disclosure provide for materials that include conch shell structures, methods of making conch shell slices, devices for storing energy, and the like.Type: ApplicationFiled: March 11, 2014Publication date: September 11, 2014Inventors: Xixiang Zhang, Yingbang Yao, Zhihong Wang
-
Publication number: 20140255781Abstract: A method of forming a carbon coating includes heat treating lithium transition metal composite oxide Li0.9+aMbM?cNdOe, in an atmosphere of a gas mixture including carbon dioxide and compound CnH(2n+2?a)[OH]a, wherein n is 1 to 20 and a is 0 or 1, or compound CnH(2n), wherein n is 2 to 6, wherein 0?a?1.6, 0?b?2, 0?c?2, 0?d?2, b, c, and d are not simultaneously equal to 0, e ranges from 1 to 4, M and M? are different from each other and are selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, and Ba, and N is different from M and M? and is selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, Ba, and a combination thereof, or selected from Ti, V, Si, B, F, S, and P, and at least one of the M, M?, and N comprises Ni, Co, Mn, Mo, Cu, or Fe.Type: ApplicationFiled: March 7, 2014Publication date: September 11, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: In Hyuk SON, Jun Young MUN, Jin-Hwan PARK, Chan Ho PAK, Seung Jae LEE, Hyo Rang KANG
-
Publication number: 20140255774Abstract: A magnesium ion battery includes a first electrode including a substrate and an active material deposited on the substrate. Also provided is a second electrode. An electrolyte is located between the first electrode and the second electrode. The electrolyte includes a magnesium compound. The active material includes indium and an intermetallic compound of magnesium and indium.Type: ApplicationFiled: March 5, 2013Publication date: September 11, 2014Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Nikhilendra Singh, Masaki Matsui
-
Patent number: 8828607Abstract: It is an object to provide a cathode active material and a cathode which can attain a lithium ion secondary battery with high capacity and high security, and further to provide the lithium ion secondary battery with high capacity and high security. According to the present invention, the cathode active material is represented by the following composition formula: Li1.1+xNiaM1bM2cO2 wherein M1 represents Co, or Co and Mn; M2 represents Mo, W or Nb; ?0.07?x?0.1; 0.6?a?0.9; 0.05?b?0.38; and 0.02?c?0.06.Type: GrantFiled: January 27, 2012Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventors: Hiroaki Konishi, Masanori Yoshikawa
-
Patent number: 8822071Abstract: A magnesium battery includes a first electrode including an active material and a second electrode. An electrolyte is disposed between the first electrode and the second electrode. The electrolyte includes a magnesium compound. The active material includes an inter-metallic compound of magnesium and bismuth.Type: GrantFiled: October 26, 2011Date of Patent: September 2, 2014Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventor: Masaki Matsui
-
Publication number: 20140242474Abstract: Disclosed is a high-capacity electrochemical energy storage device in which a conversion reaction proceeds as the oxidation-reduction reaction, and the separation (hysteresis) between the electrode potentials for oxidation and reduction is small. The electrochemical energy storage device includes a first electrode including a first active material, a second electrode including a second active material, and a non-aqueous electrolyte interposed between the first and second electrodes. At least one of the first and second active materials is a metal salt having a polyatomic anion and a metal ion, and the metal salt is capable of oxidation-reduction reaction involving reversible release and acceptance of the polyatomic anion.Type: ApplicationFiled: March 11, 2013Publication date: August 28, 2014Applicant: PANASONIC CORPORATIONInventors: Tooru Matsui, Zempachi Ogumi, Toshiro Hirai, Akiyoshi Nakata
-
Patent number: 8815454Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, a separator separating the positive electrode and the negative electrode, and an electrolyte. The negative electrode active material of the negative electrode includes a material that is capable of reversibly intercalating and deintercalating lithium ions and a metallic material capable of alloying with lithium. The electrolyte includes a chemical compound containing a nitrile (—CN) radical.Type: GrantFiled: December 12, 2008Date of Patent: August 26, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Yong-Shik Kim, Jin-Bum Kim, Jin-Sung Kim, Na-Rae Park
-
Publication number: 20140234714Abstract: A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.Type: ApplicationFiled: December 19, 2013Publication date: August 21, 2014Applicant: Samsung SDI Co., Ltd.Inventors: Yu-Jeong Cho, Sang-Eun Park, So-Ra Lee, Su-Kyung Lee, Ui-Song Do, Chang-Su Shin, Jae-Myung Kim
-
Patent number: 8808911Abstract: A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a layered type lithium transition metal oxide. A material of the coating layer is a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material.Type: GrantFiled: November 30, 2012Date of Patent: August 19, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Ya-Dong Li, Jun Lu, Ding-Sheng Wang, Xiang-Wen Liu, Qing Peng
-
Patent number: 8808916Abstract: Disclosed are a cathode active material for lithium secondary batteries, a method for preparing the same, and lithium secondary batteries comprising the same. The cathode active material for lithium secondary batteries comprises a lithium metal oxide secondary particle core formed by aggregation of a plurality of lithium metal oxide primary particles; a first shell formed by coating the surface of the secondary particle core with a plurality of barium titanate particles and a plurality of metal oxide particles; and a second shell formed by coating the surface of the first shell with a plurality of olivine-type lithium iron phosphate oxide particles and a plurality of conductive material particles. The cathode active material for lithium secondary batteries allows manufacture of lithium secondary batteries having excellent thermal stability, high-temperature durability and overcharge safety.Type: GrantFiled: November 25, 2009Date of Patent: August 19, 2014Assignees: Daejung EM Co., Ltd., Kokam Co., Ltd.Inventors: Seong-Bae Kim, Woo-Seong Kim, Ki-Sup Song, Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo
-
Patent number: 8808915Abstract: The rechargeable lithium battery includes a positive electrode which includes a positive active material, a negative electrode, and an electrolyte which includes a non-aqueous organic solvent and a lithium salt. The positive active material includes a core including at least one of a compound represented by Formula 1 and a compound represented by Formula 2, and a surface-treatment layer which is formed on the core and includes a compound represented by Formula 3. The lithium salt includes LiPF6 and a lithium imide-based compound. LiaNibCocMndMeO2??(1) LihMn2MiO4??(2) M?xPyOz??(3) wherein each of M and M? is independently selected from the group consisting of an alkali metal, an alkaline-earth metal, a Group 13 element, a Group 14 element, a transition element, a rare earth element, and combinations thereof, 0.95?a?1.1, 0?b?0.999, 0?c?0.999, 0?d?0.999, 0.001?e?0.2, 0.95?h?1.1, 0.001?i?0.2, 1?y?4, 0?y?7, and 2?z?30.Type: GrantFiled: August 10, 2007Date of Patent: August 19, 2014Assignee: Samsung SDI Co., Ltd.Inventors: So-Hyun Hur, Euy-Young Jung, Duck-Chul Hwang, Yong-Chul Park, Jong-Hwa Lee, Jeom-Soo Kim, Jae-Yul Ryu, Jin-Bum Kim
-
Patent number: 8808918Abstract: The rechargeable lithium battery of the present invention includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte. The positive active material includes a core and a coating layer formed on the core. The core is made of a material such as LiCo0.98M?0.02O2, and the coating layer is made of a material such as MxPyOz. The electrolyte solution includes a nitrile-based additive. The rechargeable lithium battery of the present invention shows higher cycle-life characteristics and longer continuous charging time at high temperature.Type: GrantFiled: June 12, 2007Date of Patent: August 19, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Euy-Young Jung, Duck-Chul Hwang, Jeom-Soo Kim, Jong-Hwa Lee, Yong-Chul Park, Jae-Yul Ryu, So-Hyun Hur
-
Publication number: 20140227595Abstract: The specification relates to a composite particle for storing lithium. The composite particle is used in an electrochemical cell. The composite particle includes a metal oxide on the surface of the composite particle, a major dimension that is approximately less than or equal to 40 microns and a formula of MM?Z, wherein M is from the group of Si and Sn, M? is from a group of Mn, Mg, Al, Mo, Bronze, Be, Ti, Cu, Ce, Li, Fe, Ni, Zn, Co, Zr, K, and Na, and Z is from the group of O, Cl, P, C, S, H, and F.Type: ApplicationFiled: February 14, 2013Publication date: August 14, 2014Inventor: Shailesh Upreti
-
Publication number: 20140227598Abstract: A main object of the present invention is to provide an anode active material capable of increasing energy density at the same time increasing battery safety, and a metal ion battery prepared with the anode active material. The present invention is an anode active material including an element that belongs to alunite group capable to insert and remove an ion(s) of at least one metal element selected from the group consisting of alkali metal elements and alkaline-earth metal elements, and a metal ion battery having a cathode, an anode, and an electrolyte filled between the cathode and the anode, the electrolyte conducting a metal ion(s), wherein the anode active material is contained in the anode.Type: ApplicationFiled: October 9, 2012Publication date: August 14, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shigeki Sato, Masafumi Nose, Hideki Nakayama
-
Patent number: 8802291Abstract: A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a layered type lithium nickel cobalt manganese oxide. The coating layer comprises a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material.Type: GrantFiled: November 30, 2012Date of Patent: August 12, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Ya-Dong Li, Jun Lu, Ding-Sheng Wang, Qing Peng
-
Patent number: 8802300Abstract: A rechargeable lithium battery including a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte including a non-aqueous organic solvent and a lithium salt. The positive electrode has an active-mass density of about 3.7 to 4.1 g/cc, and the non-aqueous electrolyte includes a nitrile-based compound additive, a non-aqueous organic solvent, and a lithium salt.Type: GrantFiled: October 23, 2007Date of Patent: August 12, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Jong-Hwa Lee, Duck-Chul Hwang, Jeom-Soo Kim, Yong-Chul Park, Jae-Yul Ryu, Euy-Young Jung, So-Hyun Hur
-
Patent number: 8802317Abstract: Polymer electrolyte membrane (PEM) made from perfluorosulfonic acid polymers, displaying proton conductivity at least in the presence of water, adequate for operation in a fuel cell, comprising at least one oxidation protection agent and additives. The PEM is an acid/base polymer blend which forms acidic and basic domains, the basic polymer being formed by polybenzimidazole (PBI) and the at least one oxidation protection agent being formed by manganese oxide.Type: GrantFiled: August 21, 2007Date of Patent: August 12, 2014Assignee: Daimler AGInventors: Florian Finsterwalder, Thomas Soczka-Guth, Manuel Christian Schaloske
-
Patent number: 8802290Abstract: A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. A material of the coating layer is a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material.Type: GrantFiled: November 30, 2012Date of Patent: August 12, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Ya-Dong Li, Jun Lu, Cai-Yun Nan, Li-Hong Li, Qing Peng
-
Publication number: 20140220447Abstract: A storage element for a solid electrolyte battery is provided, having a main member including a porous ceramic matrix in which particles that are made of a first metal and/or a metal oxide and jointly form a redox couple are embedded. The storage element further includes particles made of another metal and/or an associated metal oxide, the other metal being electrochemically more noble than the first metal.Type: ApplicationFiled: September 4, 2012Publication date: August 7, 2014Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Katrin Benkert, Carsten Schuh, Thomas Soller
-
Publication number: 20140220449Abstract: An active anode (10) is provided that includes a framework (11) of a first anodic material which contains large cavities (12) that include particles (13) of a second anodic material. The cavities have to be large enough so that a fully lithiated particles of the second anodic material fits into the cavity that contains it and does not apply stress to the framework. The first anodic material has a lower lithiation/delithiation potential than the second anodic material. To produce the anode cavities the second anodic material is coated with an organic coating which is then removed once the anodic layer is produced from a mixture of the first and second anodic materials.Type: ApplicationFiled: April 7, 2014Publication date: August 7, 2014Inventors: Davorin Babic, Lonnie G Johnson, William L Rauch, Joykumar Thokchom
-
Publication number: 20140220443Abstract: A storage element for a solid electrolyte battery is provided, having a main member of a porous ceramic matrix in which particles, that are made of a metal and/or a metal oxide and jointly form a redox couple, are embedded, the particles having a lamellar shape.Type: ApplicationFiled: September 3, 2012Publication date: August 7, 2014Applicant: Siemens AktiengesellschaftInventors: Carsten Schuh, Thomas Soller
-
Publication number: 20140220392Abstract: A system and method producing electrodes in an aqueous electrolyte battery that maximizes energy storage, reduces electrochemical decomposition of the electrolyte, and uses Prussian Blue analogue materials for both electrodes, with an anode electrode including an electrochemically active hexacyanometalate group having two possible redox reactions of different potentials. These potentials may be tuned by substituting different electrochemically inactive components.Type: ApplicationFiled: May 29, 2013Publication date: August 7, 2014Applicant: ALVEO ENERGY, INC.Inventors: Colin Deane Wessells, Robert Alan Huggins
-
Patent number: 8795892Abstract: A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a lithium cobalt oxide. The coating layer includes a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material.Type: GrantFiled: November 30, 2012Date of Patent: August 5, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Ya-Dong Li, Jun Lu, Wei-Yang Wang, Ding-Sheng Wang, Qing Peng
-
Publication number: 20140212694Abstract: A composite anode active material, an anode including the composite anode active material, a lithium battery including the anode, and a method of preparing the composite anode active material, the composite anode active material including a core including a ternary alloy, the ternary alloy being capable of intercalating and deintercalating lithium; and a carbonaceous coating layer on the core.Type: ApplicationFiled: December 16, 2013Publication date: July 31, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Yo-Han PARK, Young-Ugk KIM, Seung-Uk KWON, Jae-Hyuk KIM, Soon-Sung SUH, Yury MATULEVICH, Duk-Hyoung YOON, Hee-Young CHU, Chang-Ui JEONG
-
Publication number: 20140212703Abstract: A battery pack includes a magnesium ion rechargeable battery, allowing electrical charge and discharge regardless the type of the electrolyte, and improving the cycle characteristic and the electrical charge and discharge efficiency. The battery pack includes a storage case, a magnesium ion rechargeable battery which contains a positive terminal and a negative terminal, and a protection circuit which possesses an over-charge protection function and an over-discharge function. The magnesium ion rechargeable battery and the protection circuit are stored in the storage case. The magnesium ion rechargeable battery includes a positive plate, a negative plate and an electrolyte. The negative plate includes a material for the negative plate of the magnesium ion rechargeable battery. The material for the negative plate of the magnesium ion rechargeable battery includes magnesium metal and an allotrope of carbon. The magnesium metal and the allotrope of carbon are in at least partial contact with each other.Type: ApplicationFiled: January 9, 2013Publication date: July 31, 2014Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Hiroyuki Kobori, Yozo Kosaka, Keisuke Nomura, Yuuki Kumagai, Chihiro Sato
-
Patent number: 8785045Abstract: An active material comprises a core particle containing LiCo(1-x)MxO2 and/or Li(Mn(1-y)My)2O4, and a coating part covering at least part of a surface of the core particle, while the coating part contains LiVOPO4. Here, M is at least one element selected from the group consisting of Al, Mg, and transition elements, 0.95?x?0, 0.2?y?0, and V in LiVOPO4 may partly be substituted by at least one element selected from the group consisting of Ti, Ni, Co, Mn, Fe, Zr, Cu, Zn, and Yb.Type: GrantFiled: April 23, 2008Date of Patent: July 22, 2014Assignee: TDK CorporationInventor: Tadashi Suzuki
-
Publication number: 20140186716Abstract: A protected active metal electrode and a device with the electrode are provided. The protected active metal electrode includes an active metal substrate and a protection layer on a surface of the active metal substrate. The protection layer at least includes a metal thin film covering the surface of the active metal substrate and an electrically-conductive thin film covering a surface of the metal thin film. A material of the metal thin film is Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, or W. A material of the electrically-conductive thin film is selected from nitride of a metal in the metal thin film, carbide of a metal in the metal thin film, a diamond-like carbon (DLC), and a combination thereof.Type: ApplicationFiled: December 25, 2013Publication date: July 3, 2014Applicant: Industrial Technology Research InstituteInventors: Jin-Bao Wu, Li-Duan Tsai, Jia-Jen Chang, Ming-Sheng Leu, Jenn-Yeu Hwang, Chun-Lung Li
-
Publication number: 20140186706Abstract: A method is presented for fabricating an anode preloaded with consumable metals. The method provides a material (X), which may be one of the following materials: carbon, metals able to be electrochemically alloyed with a metal (Me), intercalation oxides, electrochemically active organic compounds, and combinations of the above-listed materials. The method loads the metal (Me) into the material (X). Typically, Me is an alkali metal, alkaline earth metal, or a combination of the two. As a result, the method forms a preloaded anode comprising Me/X for use in a battery comprising a M1YM2Z(CN)N·MH2O cathode, where M1 and M2 are transition metals. The method loads the metal (Me) into the material (X) using physical (mechanical) mixing, a chemical reaction, or an electrochemical reaction. Also provided is preloaded anode, preloaded with consumable metals.Type: ApplicationFiled: March 6, 2014Publication date: July 3, 2014Applicant: Sharp Laboratories of America, Inc.Inventors: Long Wang, Yuhao Lu, Jong-Jan Lee
-
Publication number: 20140186707Abstract: A method is provided for fabricating a battery using an anode preloaded with consumable metals. The method forms an ion-permeable membrane immersed in an electrolyte. A preloaded anode is immersed in the electrolyte, comprising MeaX, where X is a material such as carbon, metal capable of being alloyed with Me, intercalation oxides, electrochemically active organic compounds, and combinations of the above-listed materials. Me is a metal such as alkali metals, alkaline earth metals, and combinations of the above-listed metals. A cathode is also immersed in the electrolyte and separated from the preloaded anode by the ion-permeable membrane. The cathode comprises M1YM2Z(CN)N.MH2O. After a plurality of initial charge and discharge operations are preformed, an anode is formed comprising MebX overlying the current collector in a battery discharge state, where 0?b<a.Type: ApplicationFiled: March 6, 2014Publication date: July 3, 2014Applicant: Sharp Laboratories of America, Inc.Inventors: Yuhao Lu, Long Wang, Jong-Jan Lee
-
Publication number: 20140174935Abstract: A surface treating method of a negative electrode for a magnesium secondary battery is provided, wherein the magnesium secondary battery includes: a negative electrode capable of releasing magnesium ions during discharging and capable of precipitating elemental magnesium during charging; a positive electrode capable of precipitating a magnesium oxide during the discharging and capable of releasing magnesium ions during the charging; and a non-aqueous ion conductor for conducting magnesium ions as conduction species. The surface treating method comprises initializing the negative electrode by performing the discharging to form a bare surface at a surface of the negative electrode.Type: ApplicationFiled: December 20, 2013Publication date: June 26, 2014Applicant: DENSO CORPORATIONInventors: Nobuyoshi Sakakibara, Norikazu Adachi, Kenichirou Kami
-
Patent number: 8758942Abstract: Provided is a cathode active material including a lithium metal oxide of Formula 1 below: Li[LixMeyMz]O2+d??<Formula 1> wherein x+y+z=1; 0<x<0.33; 0<z<0.1; 0?d?0.1; Me is at least one metal selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, and B; and M is at least one metal selected from the group consisting of Mo, W, Ir, Ni, and Mg.Type: GrantFiled: November 19, 2008Date of Patent: June 24, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Jaegu Yoon, Kyusung Park, Dongmin Im