Patents Issued in January 12, 2016
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Patent number: 9236560Abstract: A spin transfer torque magnetic junction includes a magnetic reference layer structure with magnetic anisotropy perpendicular to a substrate plane. A laminated magnetic free layer comprises at least three sublayers (e.g. sub-layers of 6 to 30 Angstroms of CoFeB, CoPt, FePt, or CoPd) having magnetic anisotropy perpendicular to the substrate plane. Each such sublayer is separated from an adjacent one by a tantalum dusting layer. An insulative barrier layer (e.g. MgO) is disposed between the laminated free layer and the magnetic reference layer structure. The spin transfer torque magnetic junction includes conductive base and top electrodes, and a current polarizing structure that has magnetic anisotropy parallel to the substrate plane. In certain embodiments, the current polarizing structure may also include a non-magnetic spacer layer (e.g. MgO, copper, etc).Type: GrantFiled: December 8, 2014Date of Patent: January 12, 2016Assignee: Western Digital (Fremont), LLCInventors: Shaoping Li, Gerardo A. Bertero, Yuankai Zheng, Qunwen Leng, Shihai He, Yunfei Ding, Ming Mao, Abhinandan Chougule, Daniel K. Lottis
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Patent number: 9236561Abstract: A magnetic device including memory cells is provided. Each memory cell can store multiple bits corresponding to multiple data storage layers. Desired spacing(s) and desired junction angle(s) for the data storage layers are determined in each memory cell. The desired junction angle(s) and the desired spacing(s) correspond to spin transfer switching currents for the data storage layers having. A magnetoresistive stack including plurality of layers for each of the memory cells is deposited. The memory cells include the data storage layers. A data storage layer layers is spaced apart from nearest data storage layer(s) by a distance corresponding to the desired spacing(s). A mask corresponding to the memory cells is provided on the layers. The memory cells are defined such that each memory cell has the desired junction angle(s) and the desired spacing(s) and such that the data storage layers for each of the memory cells is self-aligned.Type: GrantFiled: September 5, 2012Date of Patent: January 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Mohamad Towfik Krounbi, Dmytro Apalkov, Vladimir Nikitin, Alexander A. G. Driskill-Smith
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Patent number: 9236562Abstract: Techniques are disclosed for enhancing performance of a perpendicular magnetic tunnel junction (MTJ) by implementing an additional ferromagnetic layer therein. The additional ferromagnetic layer can be implemented, for example, in or otherwise proximate either the fixed ferromagnetic layer or the free ferromagnetic layer of the perpendicular MTJ. In some embodiments, the additional ferromagnetic layer is implemented with a non-magnetic spacer, wherein the thickness of the additional ferromagnetic layer and/or spacer can be adjusted to sufficiently balance the energy barrier between parallel and anti-parallel states of the perpendicular MTJ. In some embodiments, the additional ferromagnetic layer is configured such that its magnetization is opposite that of the fixed ferromagnetic layer.Type: GrantFiled: December 30, 2011Date of Patent: January 12, 2016Assignee: INTEL CORPORATIONInventors: Charles C. Kuo, Brian S. Doyle, Arijit Raychowdhury, Roksana Golizadeh Mojarad, Kaan Oguz
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Patent number: 9236563Abstract: According to one embodiment, a magnetic memory device includes a magnetoresistance effect element having a structure in which a first magnetic layer, a nonmagnetic layer, a second magnetic layer, and a third magnetic layer are stacked, wherein the third magnetic layer comprises a first region and a plurality of second regions, and each of the second regions is surrounded by the first region, has conductivity, and has a greater magnetic property than the first region.Type: GrantFiled: March 7, 2014Date of Patent: January 12, 2016Inventors: Yutaka Hashimoto, Tadashi Kai, Masahiko Nakayama, Hiroaki Yoda, Toshihiko Nagase, Masatoshi Yoshikawa, Yasuyuki Sonoda
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Patent number: 9236564Abstract: A magnetic junction usable in a magnetic device and a method for providing the magnetic junction are described. The magnetic junction includes a free layer, a pinned layer and nonmagnetic spacer layer between the free and pinned layers. At least one of the free and pinned layers includes at least one engineered Heusler structure having a first magnetic layer, a second magnetic layer and an amorphous layer between the magnetic layers. At least one of the first and second magnetic layer(s) is a Heusler layer. The first magnetic layer's perpendicular magnetic anisotropy energy (PMAE) exceeds is out-of-plane demagnetization energy. The second magnetic layer's PMAE exceeds its out-of-plane demagnetization energy. The free layer and/or the pinned layer has a PMAE greater than an out-of-plane demagnetization energy. The free layer is switchable between stable magnetic states when a write current is passed through the magnetic junction.Type: GrantFiled: September 5, 2014Date of Patent: January 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Matthew J. Carey, Keith Chan, Roman Chepulskyy
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Patent number: 9236565Abstract: Embodiments of the invention provide a method for fabricating a magnetoresistive device. The method comprises: releasing a multi-layer magnetoresistive structure for forming the magnetoresistive device from a first substrate to relax an intrinsic stress in the multi-layer magnetoresistive structure such that the magnetic and/or magnetoresistive properties of the magnetoresistive device can be improved. The magnetic and/or magnetoresistive properties include, but are not limited to coercivity, squareness or abruptness of switching, magnetoresistance (MR) and resistance of the magnetoresistive device.Type: GrantFiled: April 28, 2015Date of Patent: January 12, 2016Assignees: National University of Singapore, Yonsei UniversityInventors: Li Ming Loong, Hyunsoo Yang, Wonho Lee, Jong-Hyun Ahn, Charanjit Singh Bhatia
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Patent number: 9236566Abstract: Some embodiments include methods of forming memory cells. Programmable material may be formed directly adjacent another material. A dopant implant may be utilized to improve adherence of the programmable material to the other material by inducing bonding of the programmable material to the other material, and/or by scattering the programmable material and the other material across an interface between them. The memory cells may include first electrode material, first ovonic material, second electrode material, second ovonic material and third electrode material. The various electrode materials and ovonic materials may join to one another at boundary bands having ovonic materials embedded in electrode materials and vice versa; and having damage-producing implant species embedded therein. Some embodiments include ovonic material joining dielectric material along a boundary band, with the boundary band having ovonic material embedded in dielectric material and vice versa.Type: GrantFiled: July 14, 2015Date of Patent: January 12, 2016Assignee: Micron Technology, Inc.Inventors: Camillo Bresolin, Valter Soncini, Davide Erbetta
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Patent number: 9236567Abstract: A resistive memory device includes a lower electrode disposed on a substrate, first and second resistance layers respectively disposed on opposite sides of the lower electrode and exhibiting resistance variation at different voltages, respectively, and an upper electrode disposed on and the first and second resistance layers.Type: GrantFiled: December 14, 2012Date of Patent: January 12, 2016Assignee: SK Hynix Inc.Inventor: Jae-Yeon Lee
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Patent number: 9236568Abstract: A memory device includes an array of electrodes that includes thin film plates of electrode material. Multilayer strips are arranged as bit lines over respective columns in the array of electrodes, including a layer of memory material and a layer of top electrode material. The multilayer strips have a primary body and a protrusion having a width less than that of the primary body and is self-aligned with contact surfaces on the thin film plates. Memory material in the protrusion contacts surfaces on the distal ends of thin film plates of electrodes in the corresponding column in the array. The device can be made using a damascene process in self-aligned forms over the contact surfaces.Type: GrantFiled: July 29, 2013Date of Patent: January 12, 2016Assignee: Macronix International Co., Ltd.Inventor: Hsiang-Lan Lung
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Patent number: 9236569Abstract: A storage element includes a first electrode and a second electrode separated by a gap and a dielectric layer provided between the first electrode and the second electrode to fill the gap. A separation distance of the gap changes in response to application of a voltage to a space between the first electrode and the second electrode, such that a switching phenomenon is produced which switches a resistance state between the first electrode and the second electrode between a high resistance state in which it is difficult for tunnel current to flow and a low resistance state in which it is easy for tunnel current to flow.Type: GrantFiled: October 28, 2014Date of Patent: January 12, 2016Assignee: Funai Electric Co., Ltd.Inventors: Shigeo Furuta, Yuichiro Masuda, Tsuyoshi Takahashi, Masatoshi Ono, Yutaka Hayashi, Taro Itaya, Yasuhisa Naitoh, Tetsuo Shimizu
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Patent number: 9236570Abstract: A method for forming a resistive memory cell within a memory array includes forming a patterned stopping layer on a first metal layer formed on a substrate and forming a bottom electrode into features of the patterned stopping layer. The method further includes forming a resistive memory layer. The resistive memory layer includes a metal oxide layer and a top electrode layer. The method further includes patterning the resistive memory layer so that the top electrode layer acts as a bit line within the memory array and a top electrode of the resistive memory cell.Type: GrantFiled: February 9, 2015Date of Patent: January 12, 2016Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chih-Yang Chang, Wen-Ting Chu, Kuo-Chi Tu, Hsia-Wei Chen, Yu-Wen Liao, Chin-Chieh Yang
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Patent number: 9236571Abstract: The present invention relates to polymeric materials which have electron-transporting, hole-transporting and/or emitting units in the side chains. The present invention furthermore relates to processes for the preparation of these polymers, to the use of these polymers in electroluminescent devices and to electroluminescent devices comprising these polymers.Type: GrantFiled: June 28, 2011Date of Patent: January 12, 2016Assignee: Merck Patent GmbHInventors: Niels Schulte, Aurélie Ludemann, Junyou Pan, René P. Scheurich, Thomas Eberle, Arne Buesing, Philipp Stoessel
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Patent number: 9236572Abstract: Inorganic photoluminescent nanoparticles comprising a solid assembly comprising a first plurality of atoms from group II crystallized with a second plurality of atoms from group VI; at least one dimension of the assembly less than about 3.0 nm; and one or more organocarboxylate agents coupled to a surface that bounds the assembly, wherein the nanocrystal exhibits nanocrystal photoluminescence quantum yield of at least about 10%. Coupling to such surface comprises coating at least a portion of the nanocrystal being coated with the organocarboxylate agent, wherein the organocarboxylate agent is a carboxylic acid or the conjugate base of a carboxylic acid. The carboxylic acid can be is selected from formic acid, acetic acid, hexanoic acid, octanoic acid, oleic acid, and benzoic acid. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: GrantFiled: February 17, 2012Date of Patent: January 12, 2016Assignee: Vanderbilt UniversityInventors: Teresa E. Tilyou, James R. McBride, Sandra J. Rosenthal
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Patent number: 9236573Abstract: Provided are an organic semiconductor compound, a method for preparing same, a polymer compound having the organic semiconductor compound of the present invention as a monomer, and an organic semiconductor device containing the polymer compound. Said organic semiconductor compound has side chains in the chemical structure thereof, and is highly soluble in a solvent, and therefore the organic semiconductor compound can be effectively used in solution-based processes. The organic semiconductor device containing the polymer compound according to the present invention yields high manufacturing efficiency.Type: GrantFiled: April 26, 2012Date of Patent: January 12, 2016Inventors: Sang Jin Moon, Jong Cheol Lee, Won Suk Shin, Sang Kyu Lee
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Patent number: 9236574Abstract: The invention relates to novel dinaphtho[2,3-a:2?,3?-h]phenazine compounds, to methods for their preparation and intermediates used therein, formulations comprising them, the use of these compounds and formulations as semiconductor material in organic electronic (OE) devices, and OE devices comprising these compounds and formulations.Type: GrantFiled: February 11, 2012Date of Patent: January 12, 2016Assignee: MERCK PATENT GMBHInventors: Changsheng Wang, William Mitchell, Mansoor D'Lavari, Steven Tierney
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Patent number: 9236575Abstract: After forming a plurality of metal anchors arranged in a matrix of rows and columns and a plurality trenches separating adjacent rows of metal anchors on a substrate, a dispersion comprising charged single-wall carbon nanotubes (SWCNTs) having a surface binding group on each end of the charged SWCNTs is directed to flow through the plurality of trenches. During the flow process, one end of each of the charged SWCNTs binds to a corresponding metal anchor through a surface binding group. An electric field is then applied to align the charged SWCNTs parallel to lengthwise directions of the plurality of trenches such that another end of the each of the SWCNTs binds to an adjacent metal anchor through another surface binding group. The aligned charged SWCNTs can be used as conducting channels for field effect transistors (FETs).Type: GrantFiled: September 5, 2014Date of Patent: January 12, 2016Assignee: GLOBALFOUNDRIES INC.Inventors: Wai-Kin Li, Hanfei Wang
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Patent number: 9236576Abstract: A photoelectric element 1 includes a first electrode, an electron transport layer supporting a photosensitizer, a hole transport layer, and a second electrode, and these components are stacked in the above order. The electron transport layer is formed of an organic compound produced by electrolytic polymerization of a precursor having, within one molecule thereof, two or more moieties each having a structure represented by the following structural formula (1). The photoelectric element 1 includes a gel layer composed of the organic compound and an electrolyte solution infiltrated into the organic compound.Type: GrantFiled: November 1, 2011Date of Patent: January 12, 2016Assignees: Panasonic Corporation, Waseda UniversityInventors: Michio Suzuka, Takashi Sekiguchi, Takeyuki Yamaki, Hiroyuki Nishide, Kenichi Oyaizu, Fumiaki Kato, Naoki Sano
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Patent number: 9236577Abstract: Provided are a dual-mode display device and a method of manufacturing the same. The device includes a lower substrate, an upper substrate facing the lower substrate, a thin-film transistor portion between the upper substrate and the lower substrate, a first anode on one side of the thin-film transistor portion, a first cathode between the first anode and the upper substrate, an organic light-emitting layer between the first cathode and the first anode, a second anode on the other side of the thin-film transistor portion, a second cathode between the second anode and the upper substrate, or the second anode and the lower substrate, and a optical switching layer between the second cathode and the second anode.Type: GrantFiled: March 14, 2013Date of Patent: January 12, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jae Bon Koo, Jeong Ik Lee, Chi-Sun Hwang, Hojun Ryu, Hye Yong Chu
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Patent number: 9236578Abstract: The present invention relates to phosphorescent organic electroluminescent devices include at least one phosphorescent emitter and a matrix material in the emitting layer, where certain conditions must be satisfied for the positions of the triplet energy and the HOMO and LUMO.Type: GrantFiled: June 24, 2011Date of Patent: January 12, 2016Assignee: Merck Patent GmbHInventors: Anja Gerhard, Philipp Stoessel, Dominik Joosten, Holger Heil, Christof Pflumm, Susanne Heun
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Patent number: 9236579Abstract: Provided is a coating system allowing on-demand preparation and coating of an ink. The coating system (10) includes an ingredient ink supply portion (20), a first pipe (90a), a stirring tank (50) including an ink stirring mechanism (52), a supply regulator portion (30) regulating the respective amounts of ingredient inks supplied to the stirring tank, a controller portion (70) connected to the supply regulator portion through an electric telecommunication line (80), determining a mixing ratio of the ingredient inks, and controlling operation of the supply regulator portion based on the mixing ratio, and a coating device (100) including an ink transport portion (120) connected to the stirring tank and including an ink discharge portion (130).Type: GrantFiled: April 5, 2013Date of Patent: January 12, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Shoji Mima
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Patent number: 9236580Abstract: There is provided an organic electronic device including an anode, a hole transport layer, an emissive layer, an electron transport layer, and a cathode. The emissive layer includes at least one first electroluminescent material and the electron transport layer includes at least one electron transport material and at least one second electroluminescent material. The second electroluminescent material has a concentration that is greater adjacent the emissive layer. The device has white light emission.Type: GrantFiled: October 19, 2012Date of Patent: January 12, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventor: Ying Wang
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Patent number: 9236581Abstract: A display unit includes a plurality of first electrodes provided to respective pixels; an insulating layer having an opening facing each of the first electrodes and having an overhang at an edge of the opening; a charge injection-transport layer being cut or having higher resistance at the overhang of the insulating layer to exhibit one or both of a charge injection property and a charge transport property; an organic layer including one light-emitting layer or a plurality of light-emitting layers common to all of the pixels; and a second electrode formed on an entire surface of the organic layer, the first electrodes, the insulating layer, the charge injection-transport layer, the organic layer, and the second electrode being disposed in this order from a substrate side.Type: GrantFiled: May 22, 2014Date of Patent: January 12, 2016Assignee: Sony CorporationInventors: Takayoshi Kato, Seiichi Yokoyama, Mitsuharu Shoji, Takashi Sakairi
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Patent number: 9236582Abstract: An OLED device includes an anode, which is transparent, anode of a sheet resistance R1, a cathode of sheet resistance R2, the ratio r=R2/R1 ranging from 0.1 to 5, a first anode contact and a second anode contact, spaced from and facing the first anode contact, and a first cathode electrical contact, which is: arranged above the active zone, offset from the first anode contact and from the second anode contact, at every point of the contact surface.Type: GrantFiled: December 28, 2012Date of Patent: January 12, 2016Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Vincent Chery, Fabien Lienhart, Vincent Sauvinet
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Patent number: 9236583Abstract: Provided is an organic EL element, wherein the thickness of the organic EL element can be made small and the width of a seal can be made narrower, and change in light-emitting quality over time can be inhibited. The organic EL element (1) is configured to be provided with: a second electrode (13) provided so as to cover an organic compound layer (12); an inorganic insulation film (15) formed within a prescribed area within a non light-emitting area of a first electrode (11), and formed between the first electrode (11) and the second electrode (13); an inorganic film (14) provided so as to cover the second electrode (13); a sealing resin layer (3) provided so as to cover the inorganic film (14); and a sealing base material (4) provided upon the sealing resin layer (3).Type: GrantFiled: October 3, 2012Date of Patent: January 12, 2016Assignee: KONICA MINOLTA, INC.Inventors: Masato Okuyama, Masakazu Tonishi
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Patent number: 9236584Abstract: A nonaqueous electrolyte battery is provided which includes a battery element, and a package member for packaging the battery element, and in the nonaqueous electrolyte battery, the package member includes a layer which contains a blackbody material capable of using blackbody radiation and which has an emissivity of 0.6 or more.Type: GrantFiled: December 24, 2014Date of Patent: January 12, 2016Assignee: Sony CorporationInventors: Hiroshi Seino, Hideaki Ojima, Fumihata Yamamoto, Hiroyuki Yamada, Satoru Tanaka, Ryoko Sato, Ryuji Soeda
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Patent number: 9236585Abstract: A battery block comprising: a battery case that includes a plurality of metal pipe-shaped members joined or adhered to each other; a cell accommodated inside each of the plurality of metal pipe-shaped members; and an insulating layer that covers the outer wall surface or the inner wall surface of the metal pipe-shaped members of the battery case. According to the present invention, even if unnecessary contact between battery blocks occurs in a power supply unit, a short circuit or the like does not occur.Type: GrantFiled: May 30, 2012Date of Patent: January 12, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yukio Nishikawa, Oose Okutani
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Patent number: 9236586Abstract: A battery pack including a bare cell including an electrode assembly, and a battery case including a body portion accommodating the electrode assembly, and a sealing portion extending from the body portion; and a bonding member bonding the sealing portion to the body portion, the bonding member having a slit formed therein.Type: GrantFiled: July 31, 2012Date of Patent: January 12, 2016Assignee: Samsung SDI Co., LtdInventor: Sang-Hun Park
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Patent number: 9236587Abstract: Disclosed is a battery module having a plurality of battery cells, the battery module including a cell module stack having a structure in which a plurality of cell modules having the battery cells mounted in cartridges is vertically stacked, a lower end plate supporting a lower end of the cell module stack, and an upper end plate fixing an uppermost cartridge of the cell module stack disposed on the lower end plate, wherein the cartridges and the upper and lower end plates are provided with through holes formed such that the through holes communicate with one another, a fixing member is inserted through the through holes and coupled to the upper and lower end plates, and the fixing member and the through holes are configured to have a horizontal sectional structure to restrain rotation of the fixing member when rotational force for fastening is applied to the fixing member.Type: GrantFiled: February 5, 2013Date of Patent: January 12, 2016Assignee: LG CHEM, LTD.Inventors: BumHyun Lee, Jong Moon Yoon, Yong Shik Shin, Jin Kyu Lee
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Patent number: 9236588Abstract: A battery pack includes a case having an upper case part and a lower case part. The battery pack further includes a battery cell accommodated inside the case, and a plurality of electrode terminals electrically connected to the battery cell. The upper case part has an opening which is arranged at a position corresponding to a position of the plurality of electrode terminals and exposes the plurality of electrode terminals. The batter pack additionally includes a suppressing member that suppresses foreign matter from entering inside the case via the opening.Type: GrantFiled: November 21, 2014Date of Patent: January 12, 2016Assignee: Hitachi Koki Co., Ltd.Inventors: Hiroyuki Hanawa, Haruhisa Fujisawa, Keita Saitou
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Patent number: 9236589Abstract: A battery module and a vehicle including a battery module. A battery module includes: a housing including an inlet to pass air from an outside of the housing into an interior of the housing; at least one rechargeable battery housed in the interior of the housing; and an opening/closing member configured to control an opening state of the inlet according to a pressure of the air acting against the opening/closing member from the outside of the housing.Type: GrantFiled: July 23, 2012Date of Patent: January 12, 2016Assignee: Samsung SDI Co., Ltd.Inventor: Sang-Hoon Lee
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Patent number: 9236590Abstract: An electric storage module includes: a cooling plate with a predetermined thickness between a front surface and a rear surface, with the front surface and the rear surface functioning as cooling surfaces by a coolant flowing in the cooling plate; a first battery row made up with a plurality of battery cells, to be cooled by the cooling plate, arrayed along a predetermined direction, with one end surfaces of the battery cells being coupled with the front surface of the cooling plate so as to achieve thermal conduction; and a second battery row made up with a plurality of battery cells, to be cooled by the cooling plate, arrayed along a predetermined direction, with one end surfaces of the battery cells being coupled with the rear surface of the cooling plate so as to achieve thermal conduction.Type: GrantFiled: July 25, 2011Date of Patent: January 12, 2016Assignee: Hitachi Automotive Systems, Ltd.Inventor: Sadayuki Aoki
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Patent number: 9236591Abstract: Even if a junction box is laid out such that a region where a battery cell is disposed is divided, the battery cell is effectively cooled. A battery pack includes: a battery pack case (1) including a junction box accommodating portion (10) and a battery accommodating portions (7, 8a, 8b); and a plurality of batteries (2) accommodated in the battery accommodating portions (7, 8a, 8b) of the battery pack case (1). The junction box accommodating portion (10) is covered with shield members (21, 22, 23).Type: GrantFiled: September 28, 2012Date of Patent: January 12, 2016Assignee: GS Yuasa International Ltd.Inventors: Minoru Watanabe, Toshiki Kusunoki, Yo Hasegawa
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Patent number: 9236592Abstract: A cage assembly is provided to protect a battery pack in a vehicle. The cage assembly includes a top sub-assembly and a bottom sub-assembly that are secured together to protect the battery pack. U-shaped frames and base frames are connected together by tubular members.Type: GrantFiled: November 27, 2012Date of Patent: January 12, 2016Assignee: Ford Global Technologies, LLCInventors: Srinivasan Sundararajan, Fubang Wu, Mohammed Omar Faruque, Michael M. Azzouz, Sino Johan Van Dyk
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Patent number: 9236593Abstract: A battery assembly provided with an adhesive stop mechanism is disclosed. The battery assembly includes multiple battery cells, a primary retaining frame, a secondary retaining frame, two common electrodes and a bonding layer. The primary and second retaining frames are combined together to constitute accommodation chambers for housing the battery cells. The primary retaining frame includes an outer deck and a shallow deck, wherein the outer deck is formed with adhesive application pores and the shallow deck is formed with stop portions corresponding to the adhesive application pores. The adhesive composition applied through the adhesive application pores is confined by the stop portions and subsequently cured into a bonding layer that firmly holds the battery cells within the accommodation chambers.Type: GrantFiled: May 12, 2015Date of Patent: January 12, 2016Assignee: Atieva, Inc.Inventors: Chia-Ming Chuang, Tai-Tsun Liu
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Patent number: 9236594Abstract: In multilayer wholly solid lithium ion secondary batteries, a laminate having a collector layer of material with high conductivity superimposed on an active material layer has been disposed so as to attain a lowering of battery impedance. Consequently, in the fabrication of each of positive electrode layer and negative electrode layer, stacking of three layers consisting of an active material layer, a collector layer and an active material layer has been needed, thereby posing the problem of complex processing and high production cost. In the invention, a positive electrode layer and a negative electrode layer are fabricated from paste consisting of active material mixed with conductive substance in a given mixing ratio, and no collector layer is disposed. This realizes process simplification and manufacturing cost reduction without deterioration of battery performance and has also been effective in enhancing of battery performance, such as improvement to cycle characteristics.Type: GrantFiled: February 16, 2007Date of Patent: January 12, 2016Assignee: NAMICS CORPORATIONInventors: Shoichi Iwaya, Hitoshi Masumura, Noriyuki Sakai, Takayuki Fujita, Hiroshi Sasagawa, Hiroshi Sato
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Patent number: 9236595Abstract: A secondary battery including an electrode assembly, the electrode assembly including electrode plates and a separator interposed between the electrode plates, at least one of the electrode plates including a coated part, the coated part including a metallic plate having an active material coated thereon, and an uncoated part, the uncoated part including a metallic plate without active material coated thereon, the uncoated part including a folding line in the uncoated part, and a folding part with an end portion folded with respect to the folding line; and a current collector electrically contacting the folding part.Type: GrantFiled: June 25, 2010Date of Patent: January 12, 2016Assignees: SAMSUNG SDI CO., LTD., ROBERT BOSCH GmbHInventors: Chi-Young Lee, Sang-Eun Cheon, Seok-Yoon Yoo, Yoon-Tai Kwak, Dong-Wook Kim, Jong-Seok Moon, Sang-Dae Hwang, Tatsuya Hashimoto
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Patent number: 9236596Abstract: A rechargeable battery includes: an electrode assembly in a case; a cap plate coupled to an opening of the case; a rivet electrically connected to the electrode assembly, the rivet including: a first rivet flange; and a second rivet flange; and a gasket between the rivet flange and the cap plate, the gasket including: a first gasket flange configured to be coupled with the first rivet flange; and a second gasket flange configured to be coupled with the second rivet flange.Type: GrantFiled: September 24, 2011Date of Patent: January 12, 2016Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventor: Duk-Jung Kim
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Patent number: 9236597Abstract: A battery pack including a plurality of bare cells, a protective circuit module having a thermistor, and a case accommodating the bare cells and the protective circuit module therein is disclosed. The case may include a mounting portion having the thermistor mounted thereon and a first rib portion. The mounting portion may form a separate space between the mounting portion and the bare cells. The first rib portion may be positioned in the separate space. Accordingly, the thermistor may be guided to a particular position within the case by the first rib portion, thereby preventing damage to the thermistor.Type: GrantFiled: March 14, 2014Date of Patent: January 12, 2016Assignee: SAMSUNG SDI CO., LTD.Inventor: Dae-Hyong Yoo
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Patent number: 9236598Abstract: A porous ceramic electrode with metallic coating and a high quantity of iron particles/iron alloys is applied to the top side of the wet (not dried) ceramic electrode, which forms first layer of a bonding process for metallic bonding to ceramics. Iron particles are added to a wet porous ceramic electrode and then attracted to one side of the electrode with a magnetic field; by turning a magnet on and drawing doped iron particles to the bottom side of the ceramic electrode. The iron particles are doped with a bonding agent to improve bonding the ceramic electrode to a second layer of metals. The second layer of metallic coating is a material that improves efficiently of the electrode on products such as fuel cell electrodes, hydrogen generator electrodes and batteries. The second coating may be applied using the atomic layer deposition method or vapor deposition.Type: GrantFiled: November 12, 2011Date of Patent: January 12, 2016Inventor: Terence W. Unger
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Low cost high performance electrode for energy storage devices and systems and method of making same
Patent number: 9236599Abstract: The present invention is directed to a low cost, high performance electrode for energy storage devices and energy storage systems and a method for making same is disclosed, where a flexible binder is mixed with partial active and conductive materials in the electrode formulation and activated by mixing with a minimum amount of solvent it is then mixed with the remaining active and conductive materials and the binder is uniformly deposited on to the active and conductive particles by high speed mixing. The active and conductive particles deposited with activated binder particles are then pressed together to form free standing electrode film. High performance and low cost products, such as free standing electrode films, laminated electrodes, ultracapacitors, lithium-ion capacitors, batteries, fuel cells and hybrid cells which are the combination of the above devices, and the energy storage system or the system blocks, such as modules, can be manufactured using this process.Type: GrantFiled: February 28, 2013Date of Patent: January 12, 2016Inventor: Linda Zhong -
Patent number: 9236600Abstract: A method for making a lithium ion battery anode is provided. A carbon nanotube source including a plurality of carbon nanotubes is made. An anode material including a number of anode material particles and a solvent is provided. The carbon nanotube source and the anode material are added into the solvent, and the solvent with the carbon nanotube source and the anode material is shaken using ultrasonic waves. The carbon nanotube source and the anode material are then separated from the solvent to obtain the lithium ion battery anode.Type: GrantFiled: December 29, 2011Date of Patent: January 12, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Jia-Ping Wang, Shu Luo, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 9236601Abstract: To provide a lithium secondary battery which has high capacity while maintaining excellent charge-discharge characteristic, and to provide a cathode of the lithium secondary battery and a plate-like particle for cathode active material to be contained in the cathode. The plate-like particle of cathode active material for a lithium secondary battery of the present invention has a layered rock salt structure, a thickness of 5 ?m or more and less than 30 ?m, 2 or less of [003]/[104] which is a ratio of intensity of X-ray diffraction by the (003) plane to intensity of X-ray diffraction by the (104) plane, a mean pore size of 0.1 to 5 ?m, and a voidage of 3% or more and less than 15%.Type: GrantFiled: June 21, 2011Date of Patent: January 12, 2016Assignee: NGK Insulators, Ltd.Inventors: Ryuta Sugiura, Nobuyuki Kobayashi, Tsutomu Nanataki
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Patent number: 9236602Abstract: Provided are a positive electrode active material for a lithium ion secondary battery and a secondary battery using the same, by which high discharge energy is obtained at low cost and capacity drop with cycles can be suppressed. A positive electrode active material for a secondary battery according to the embodiment of the present invention is represented by the following formula (I): Lia(FexNiyMn2-x-y-zAz)O4??(I) wherein 0.2<x?1.2, 0<y<0.5, 0?a?1.2 and 0<z?0.3; A is at least one selected from the group consisting of Li, B, Na, Mg, Al, K and Ca.Type: GrantFiled: October 12, 2012Date of Patent: January 12, 2016Assignee: NEC CorporationInventors: Makiko Takahashi, Takehiro Noguchi, Hideaki Sasaki
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Patent number: 9236603Abstract: Disclosed is a carbon material for lithium ion secondary cell having a positron lifetime of 370 picoseconds or longer, and 480 picoseconds or shorter, when measured by positron annihilation spectroscopy under conditions (A) to (E) below: (A) positron radiation source: positrons generated from electron-positron pairs using an electron accelerator; (B) gamma ray detector: a BaF2 scintillator and a photoelectron multiplier; (C) measurement temperature and atmosphere: 25° C., in vacuum; (D) annihilation ?-ray counts: 3×106 or larger; and (E) positron beam energy: 10 keV.Type: GrantFiled: October 19, 2010Date of Patent: January 12, 2016Assignee: SUMITOMO BAKELITE CO., LTD.Inventors: Yosuke Sawayama, Shinpei Sakasita, Tatsuro Sasaki
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Patent number: 9236604Abstract: A negative electrode includes a negative electrode active material layer containing a negative electrode active material mainly containing silicon and silicon oxide. In the negative electrode, the ratio of the film thickness of the negative electrode active material layer to the particle size distribution D99 is in the range of 1.2 to 2.0, the value of the D99 is in the range of 7 to 27 ?m, and the negative electrode active material layer has a density ranging from 1.2 to 1.6 g/cm3.Type: GrantFiled: March 18, 2013Date of Patent: January 12, 2016Assignee: TDK CORPORATIONInventors: Yasuhiro Ikeda, Atsushi Sano
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Patent number: 9236605Abstract: Provided is a positive electrode active material capable of obtaining high capacity density and also capable of obtaining sufficient charge-discharge characteristics in a region which involves high current density, when the positive electrode active material is used in a non-aqueous electrolyte secondary battery. The positive electrode active material for the non-aqueous electrolyte secondary battery includes FeF3 in which at least a part of a surface thereof is coated with an electroconductive metal oxide.Type: GrantFiled: September 12, 2013Date of Patent: January 12, 2016Assignee: HONDA MOTOR CO., LTD.Inventors: Kaoru Omichi, Yuji Isogai, Shintaro Aoyagi
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Patent number: 9236606Abstract: An electrode with a porous protective film includes an electrode in which an active material layer is disposed on a collector and a porous protective film which is disposed on a surface of the active material layer and which contains fine particles, a binder, a surfactant, and a thickener. A nonaqueous electrolyte secondary battery includes a negative electrode in which a negative electrode active material layer is disposed on a negative electrode collector, a positive electrode in which a positive electrode active material layer is disposed on a positive electrode collector, a nonaqueous electrolyte, a separator, and a porous protective film which is disposed on at least one of a surface of the negative electrode active material layer or a surface of the positive electrode active material layer and which contains fine particles, a binder, a surfactant, and a thickener.Type: GrantFiled: June 9, 2009Date of Patent: January 12, 2016Assignee: Sony CorporationInventor: Junichi Tadano
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Patent number: 9236607Abstract: A method for making a lithium ion battery cathode is provided. A carbon nanotube source including a plurality of carbon nanotubes is made. A cathode active material including a plurality of cathode active material particles and a solvent is provided. The carbon nanotube source and the cathode active material are added into the solvent, and the solvent with the carbon nanotube source and the cathode active material is shaken using ultrasonic waves. The carbon nanotube source and the cathode active material are then separated from the solvent to obtain a lithium ion battery cathode.Type: GrantFiled: December 29, 2011Date of Patent: January 12, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Jia-Ping Wang, Shu Luo, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 9236608Abstract: Provided is a cathode active material which is lithium transition metal oxide having an ?-NaFeO2 layered crystal structure, wherein the transition metal is a blend of Ni and Mn, an average oxidation number of the transition metals except lithium is more than +3, and lithium transition metal oxide satisfies the Equation m(Ni)?m(Mn) (in which m (Ni) and m (Mn) represent an molar number of nickel and manganese, respectively). The lithium transition metal oxide has a uniform and stable layered structure through control of oxidation number of transition metals to a level higher than +3, thus advantageously exerting improved overall electrochemical properties including electric capacity, in particular, superior high-rate charge/discharge characteristics.Type: GrantFiled: June 27, 2013Date of Patent: January 12, 2016Assignee: LG CHEM, LTD.Inventors: Sung Kyun Chang, Hong-Kyu Park, Ho Suk Shin, Seung Tae Hong, Youngsun Choi
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Patent number: 9236609Abstract: A positive active material for a rechargeable lithium battery includes a nickel-based composite oxide represented by the following Chemical Formula 1, wherein the nickel-based composite oxide includes an over lithiated oxide and non-continuous portions of a lithium nickel cobalt manganese oxide on a surface of the over lithiated oxide. LiaNibCocMndO2??Chemical Formula 1 where 1<a<1.6, 0.1<b<0.7, 0.1<c<0.4, and 0.1<d<0.7.Type: GrantFiled: August 9, 2013Date of Patent: January 12, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Han-Eol Park, Byung-Joo Chung, Chang-Wook Kim, Chun-Gyoo Lee, Jong-Seo Choi, Yoon-Chang Kim