Plural Layers Patents (Class 429/144)
-
Patent number: 10461319Abstract: An energy storage device can include a first electrode, a second electrode and a separator between the first electrode and the second electrode wherein the first electrode or the second electrode includes elemental lithium metal and carbon particles. A method for fabricating an energy storage device can include forming a first electrode and a second electrode, and inserting a separator between the first electrode and the second electrode, where forming the first electrode or the second electrode can include combining elemental lithium metal and a plurality of carbon particles.Type: GrantFiled: February 16, 2017Date of Patent: October 29, 2019Assignee: Maxwell Technologies, Inc.Inventors: Hieu Minh Duong, Porter Mitchell, Mohammed-Yazid Saidi
-
Patent number: 10454087Abstract: Provided are a separator for a lithium secondary battery in which an entire thickness of the separator and a ratio of a heat-resistant layer included in the separator satisfy specific ranges, respectively, and a battery including the same. The separator has significantly excellent heat resistance and mechanical strength, and it is possible to manufacture a high capacity and high output battery using the separator, thereby making it possible to significantly improve safety even in the high capacity and the high output battery.Type: GrantFiled: April 11, 2017Date of Patent: October 22, 2019Assignees: SK Innovation Co., Ltd., SK IE Technology Co., Ltd.Inventors: Dong Jin Joo, Yun Bong Kim, Su Ji Lee, Kyu Young Cho
-
Patent number: 10453976Abstract: A solar cell structure may provide a front surface that may include a front passivation layer and front anti-reflective layer. The solar cell structure may provide both contacts on a rear surface. In some cases, the rear surface may optionally provide passivation, doped, and/or transparent conductive oxide layers. The rear surface also provides a multilayer foil assembly (MFA). The MFA provides a first metal foil in electrical communication with doped regions of the rear surface of the substrate, such as base or emitter regions. The MFA may also provide a second metal foil that is spaced apart from the first metal foil by a dielectric layer. The metal foils and dielectric layers may include openings through the entirety of these layers, and these openings may be utilized to form contacts electrically coupled to the second metal foil, which is electrically isolated from the first metal foil.Type: GrantFiled: June 19, 2018Date of Patent: October 22, 2019Assignee: NATCORE TECHNOLOGY, INC.Inventors: David E. Carlson, David Howard Levy
-
Patent number: 10454090Abstract: An electrode tab coated with an electrical insulating layer according to one aspect of the present disclosure, and a secondary battery comprising the same can provide further enhanced electrical insulating effect.Type: GrantFiled: October 16, 2015Date of Patent: October 22, 2019Assignee: LG Chem, Ltd.Inventors: Sun-Mi Jin, In-Gyoung Yu, Joo-Sung Lee
-
Patent number: 10446841Abstract: According to one embodiment, an electrode composite is provided. The electrode composite includes a negative electrode active material-containing layer and an insulating particle layer. The negative electrode active material-containing layer includes negative electrode active material secondary particles having an average secondary particle size of from 1 ?m to 30 ?m. The insulating particle layer is provided on the negative electrode active material-containing layer. The insulating particle layer includes a first surface and a second surface opposed to the first surface. The first surface is in contact with the negative electrode active material-containing layer. The second surface has a surface roughness of 0.1 ?m or less.Type: GrantFiled: August 31, 2017Date of Patent: October 15, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Kazuhiro Yasuda, Tomoko Sugizaki, Kazuomi Yoshima, Takuya Iwasaki, Yasuhiro Harada, Norio Takami
-
Patent number: 10431796Abstract: Disclosed is a battery separator, comprising two fiber regions comprising glass fibers, and a middle fiber region disposed between them comprising larger average diameter fibers and specified amounts of silica, or fine fibers, or both; and processes for making the separator. Also disclosed is a battery separator, comprising a fiber region and either one or two silica-containing region(s) adjacent thereto, each of the regions containing a specified amount of silica; and processes for making the separator. Such separators are useful, e.g., in lead-acid batteries.Type: GrantFiled: July 6, 2017Date of Patent: October 1, 2019Assignee: Hollingsworth & Vose CompanyInventors: Akshay Ashirgade, Zhiping Jiang, Nicolas Clement
-
Patent number: 10431805Abstract: A separator for a secondary cell includes a porous polymer substrate having a first surface, a second surface opposing the first surface, and a plurality of pores connecting the first surface to the second surface; and heat-resistant coating layers formed on at least one of the first surface and the second surface of the porous polymer substrate and on internal surfaces of the pores using an atomic layer deposition process (ALD). Pores having a non-coated region are present in the internal surfaces of the pores.Type: GrantFiled: December 1, 2016Date of Patent: October 1, 2019Assignees: SK INNOVATION CO., LTD., SK IE TECHNOLOGY CO., LTD.Inventors: Hye Jin Kim, Won Sub Kwack, Min Sang Park
-
Patent number: 10418607Abstract: To provide a secondary battery porous membrane which is produced using a slurry for secondary battery porous membranes having excellent coatability and excellent dispersibility of insulating inorganic particles and is capable of improving the cycle characteristics of a secondary battery that is obtained using the secondary battery porous membrane, said secondary battery porous membrane having high flexibility and low water content and being capable of preventing particle fall-off. A slurry for secondary battery porous membranes of the present invention is characterized by containing: insulating inorganic particles, each of which has a surface functional group that is selected from the group consisting of an amino group, an epoxy group, a mercapto group and an isocyanate group; a binder which has a reactive group that is crosslinkable with the surface functional group; and a solvent.Type: GrantFiled: November 30, 2011Date of Patent: September 17, 2019Assignee: ZEON CORPORATIONInventor: Taku Matsumura
-
Patent number: 10403903Abstract: An electrochemical cell comprising a cathode and an anode residing within a casing, the anode being positioned distal of the cathode. The cathode having a cathode current collector having an angled configuration that encourages the cathode active material to move in an axial distal direction during cell discharge. The cathode current collector may be configured having at least one fold thereby dividing the current collector into at least two portions having an angle therebetween. The cathode current collector may comprise a wire having a helical configuration or the cathode current collector may comprise a post with a thread having a helical orientation about the post exterior. A preferred chemistry is a lithium/CFx activated with a nonaqueous electrolyte.Type: GrantFiled: June 12, 2017Date of Patent: September 3, 2019Assignee: Greatbatch Ltd.Inventors: Robert S. Rubino, Joseph M. Lehnes, Ho-Chul Yun
-
Patent number: 10396331Abstract: A laminate that includes an active material layer including a plural of active material particles, a separator layered on the active material layer, and an organic electrolyte. The separator includes a first surface and a second surface opposed to the first surface, and includes particles containing an inorganic compound having lithium ion conductivity at 25° C. of 1×10?10 S/cm or more, and a ratio (L/Rmax) of a thickness L to a radius Rmax is greater than zero and less than or equal to five, where L and Rmax are defined in the application.Type: GrantFiled: December 28, 2016Date of Patent: August 27, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Kazuomi Yoshima, Yasuhiro Harada, Norio Takami
-
Patent number: 10388930Abstract: Disclosed is a laminate for non-aqueous secondary battery which includes a water-soluble polymer-containing functional layer and an adhesive layer adjacently disposed on the functional layer, and which can suppress reductions in peel strength of a battery member including the laminate while allowing the functional layer to exert its expected function. The disclosed laminate includes a functional layer containing functional particles and a water-soluble polymer, and an adhesive layer adjacently disposed on the functional layer, wherein a film obtained by shaping of the water-soluble polymer has a water drop contact angle of 30° to 80°.Type: GrantFiled: May 28, 2015Date of Patent: August 20, 2019Assignee: ZEON CORPORATIONInventor: Tomokazu Sasaki
-
Patent number: 10374204Abstract: There is provided a non-aqueous-secondary-battery separator formed of a composite membrane including: a porous base material containing a thermoplastic resin; and a heat-resistant porous layer provided on one or both surfaces of the porous base material and containing an organic binder and an inorganic filler, in which the tortuosity rate of the composite membrane is from 1.5 to 2.0.Type: GrantFiled: November 13, 2013Date of Patent: August 6, 2019Assignee: TEIJIN LIMITEDInventor: Susumu Honda
-
Patent number: 10364514Abstract: The present invention pertains to a process for manufacturing one or more fluoropolymer fibers, said process comprising the following steps: (i) providing a liquid composition [composition (C1)] comprising: —at least one fluoropolymer comprising at least one hydroxyl end group [polymer (FOH)L and —a liquid medium comprising at least one organic solvent [solvent (S)]; (ii) contacting the composition (C1) provided in step (i) with at least one metal compound [compound (M)] of formula (I) here below: X4?mAYm (I) wherein X is a hydrocarbon group, optionally comprising one or more functional groups, m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, and Y is a hydrolysable group selected from the group consisting of an alkoxy group, an acyloxy group and a hydroxyl group, thereby providing a liquid composition [composition (C2)]; (iii) submitting to at least partial hydrolysis and/or polycondensation the composition (C2) provided in step (ii) thereby providing a liquid coType: GrantFiled: July 15, 2014Date of Patent: July 30, 2019Assignee: SOLVAY SAInventors: Julio A. Abusleme, Giambattista Besana, Mattia Bassi, Christine Hamon, Chiara Gualandi, Maria Letizia Focarete, Andrea Zucchelli
-
Patent number: 10361456Abstract: An electrolyte including a block copolymer containing a co-continuous domain including an ion conductive phase and a structural phase, wherein the structural phase includes a polymer segment having a glass transition temperature that is equal to or lower than room temperature.Type: GrantFiled: August 6, 2015Date of Patent: July 23, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Junhyuk Moon, Myungjin Lee, Wonseok Chang, Hyorang Kang
-
Patent number: 10361417Abstract: A composition for forming a porous heat-resistant layer of a separator, a separator, and an electrochemical battery, the composition including a monomer including a cross-linkable functional group, an oligomer including a cross-linkable functional group, a polymer including a cross-linkable functional group, or a mixture thereof; a solvent; an initiator; first inorganic particles having an average particle diameter (D50) X of about 300 nm to about 700 nm; and second inorganics particle having an average particle diameter (D50) of 0.1X to 0.4X, wherein a weight ratio of the first inorganic particles to the second inorganic particles in the composition is about 7:3 to about 8.5:1.5.Type: GrantFiled: April 14, 2017Date of Patent: July 23, 2019Assignee: SAMSUNG SDI CO., LTD.Inventors: Jaehong Choi, Changhong Ko, Imhyuck Bae, Dong-Wan Seo, Mokyun Jin
-
Patent number: 10355303Abstract: There is provided a manufacturing method of an electrode assembly, the method including blanking a first electrode from a first base including a first coated region and a first uncoated region, blanking a second electrode from a second base including a second coated region and a second uncoated region, laminating a separator on the second electrode, cutting the laminated second electrode with the separator, and stacking the laminated second electrode and the first electrode.Type: GrantFiled: August 3, 2016Date of Patent: July 16, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Bo-Hyun Kim, Yu-Jin Han, Hye-Jin Kwon, Eun-Young Goh, Jun-Won Suh, Jong-Ki Lee, Jin-Hyon Lee, Ji-Woon Lee, Sung-Yong Kim, Sang-In Park, Jin-Seon Shin
-
Patent number: 10347890Abstract: Disclosed herein are novel or improved microporous battery separator membranes, separators, batteries including such separators, methods of making such membranes, separators, and/or batteries, and/or methods of using such membranes, separators and/or batteries. Further disclosed are laminated multilayer polyolefin membranes with exterior layers comprising one or more polyethylenes, which exterior layers are designed to provide an exterior surface that has a low pin removal force. Further disclosed are battery separator membranes having increased electrolyte absorption capacity at the separator/electrode interface region, which may improve cycling. Further disclosed are battery separator membranes having improved adhesion to any number of coatings. Also described are battery separator membranes having a tunable thermal shutdown where the onset temperature of thermal shutdown may be raised or lowered and the rate of thermal shutdown may be changed or increased.Type: GrantFiled: July 29, 2016Date of Patent: July 9, 2019Assignee: Celgard, LLCInventors: Xiaomin Zhang, Eric Robert White, Kang Karen Xiao, Robert A. Nark, Insik Jeon, Kristoffer K. Stokes, Paul Vido, Zhengming Zhang
-
Patent number: 10319972Abstract: A separator for a rechargeable battery includes a substrate and a coating layer on at least one surface of the substrate, wherein the coating layer includes a binder including an acrylic resin, the binder including the acrylic resin includes a carboxyl group-containing acrylic monomer and an acrylic acid derivative monomer, and the carboxyl group-containing acrylic monomer and the acrylic acid derivative monomer are present in a mole ratio of about 20:80 to about 80:20. The binder for a rechargeable battery has high heat resistance and strong adherence, and improves the cycling characteristics of the battery.Type: GrantFiled: November 18, 2015Date of Patent: June 11, 2019Assignee: Samsung SDI Co., Ltd.Inventor: Iwao Fukuchi
-
Patent number: 10305088Abstract: An object of the present invention is to provide a high-quality secondary battery having high electric characteristics and high reliability, the secondary battery preventing a shortcut between a positive electrode and a negative electrode by means of an insulating material and preventing or reducing an increase in volume and deformation of a battery electrode assembly, and a method for manufacturing the same. Secondary battery 100 according to the present invention includes a battery electrode assembly including positive electrode 1 and negative electrode 6 alternately stacked via separator 20. Positive electrode 1 and negative electrode 2 each includes current collector 3 or 8 and active material 2 or 7 applied to current collector 3 or 8.Type: GrantFiled: December 10, 2013Date of Patent: May 28, 2019Assignee: NEC ENERGY DEVICES, LTD.Inventor: Tetsuya Sato
-
Patent number: 10305081Abstract: A separator for a rechargeable battery includes a porous substrate and a heat-resistance layer disposed on at least one surface of the porous substrate, wherein the heat-resistance layer includes a cross-linkable binder, and the cross-linkable binder is derived from a polymer including a structural unit including an aromatic moiety and a (meth)acrylate group; and a rechargeable lithium battery includes the same.Type: GrantFiled: November 2, 2016Date of Patent: May 28, 2019Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.Inventors: Minho Cho, Seungrim Yang, Hyoungwoo Choi, Hana Kim, Jun Hyuk Moon, Myungkook Park, Byungmin Lee, Jungsue Jang, Sung Soo Han
-
Patent number: 10297804Abstract: A separator includes a porous body, and a particle membrane that is formed on at least one principal surface of the porous body. The particle membrane is made of inorganic particles, and has a void formed therein by the inorganic particles. The particle membrane has a porosity that is non-uniform in the thickness direction thereof.Type: GrantFiled: November 23, 2010Date of Patent: May 21, 2019Assignee: Murata Manufacturing Co., Ltd.Inventors: Masahiro Sawaguchi, Masashi Meguro, Masaru Hiratsuka, Yoshiyuki Fuchigami
-
Patent number: 10290873Abstract: Provided is a binder composition for a secondary battery electrode that can cause a secondary battery to display excellent rate characteristics and cycle characteristics. The binder composition for a secondary battery electrode contains a first particulate polymer having a core-shell structure including a core portion and a shell portion that partially covers an outer surface of the core portion.Type: GrantFiled: August 26, 2015Date of Patent: May 14, 2019Assignee: ZEON CORPORATIONInventors: Takuya Kaneda, Kentaro Hayasaka, Yusaku Matsuo
-
Patent number: 10276849Abstract: A separator for nonaqueous electrolyte batteries having multilayer porous membrane, having a polyolefin microporous membrane and a porous layer having an inorganic filler, disposed on at least one side of the polyolefin microporous membrane, wherein, in pores with an area of 0.01 ?m2 or more in a cross section of the porous layer, the pores having an angle ? formed between a major axis of each pore and an axis in parallel with an interface between the microporous membrane and the porous layer in a range of 60°???120° occupying a proportion of 30% or more therein.Type: GrantFiled: June 19, 2014Date of Patent: April 30, 2019Assignee: Asahi Kasei E-materials CorporationInventors: Yuki Uchida, Hiroshi Murata, Hiroshi Hatayama, Masaki Ishikawa
-
Patent number: 10276895Abstract: An objective is to improve the corrosion resistance of a positive electrode grid for lead acid batteries. Provided is a positive electrode grid for lead acid batteries, and a lead acid battery including the grid. The grid includes a lead alloy containing calcium and tin. The lead alloy has a calcium content of 0.10 mass % or less, and a tin content of 2.3 mass % or less, and a lattice constant of 4.9470 ? or less.Type: GrantFiled: December 18, 2015Date of Patent: April 30, 2019Assignee: GS Yuasa International Ltd.Inventors: Tetsuyuki Murata, Hideharu Takezawa, Kazunari Ando
-
Patent number: 10270077Abstract: A non-aqueous electrolyte secondary battery includes: a positive electrode plate; a negative electrode plate; and a separator disposed between the positive electrode plate and the negative electrode plate. The separator includes a porous resin layer. The porous resin layer is made of polyolefin having a melting point of 80° C. or more and 135° C. or less. At least one of the positive electrode plate and the negative electrode plate has a surface facing the porous resin layer. The surface forms a contact angle of 30° or more with a molten droplet of the polyolefin.Type: GrantFiled: July 22, 2016Date of Patent: April 23, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuya Ishihara, Akihiro Ochiai
-
Patent number: 10256501Abstract: Provided is a secondary battery, which includes a separator having excellent air permeability such that the separator is adhered to a positive electrode plate and/or a negative electrode plate at a low temperature under a low pressure and swelling in an electrolyte solution is relatively suppressed. The secondary battery includes an electrode assembly including a positive electrode plate, a negative electrode plate and a separator interposed between the positive electrode plate and the negative electrode plate, wherein the separator further includes an adhesive layer formed on its surface, the adhesive layer includes a binder, and a gel-sol transition temperature of the binder is in a range of 70° C. to 90° C.Type: GrantFiled: November 10, 2016Date of Patent: April 9, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Nari Seo, Bokhyun Ka, Eunhyung Choi, Donghyuk Chang
-
Patent number: 10249862Abstract: A membrane includes a porous membrane or layer made of a polymeric material having a plurality of surface treated (or coated) particles (or ceramic particles) having an average particle size of less than about 1 micron dispersed therein. The polymeric material may be selected from the group consisting of polyolefins, polyamides, polyesters, co-polymers thereof, and combinations thereof. The particles may be selected from the group consisting of boehmite (AlOOH), SiO2, TiO2, Al2O3, BaSO4, CaCO3, BN, and combinations thereof, or the particles may be boehmite. The surface treatment (or coating) may be a molecule having a reactive end and a non-polar end. The particles may be pre-mixed in a low molecular weight wax before mixing with the polymeric material. The membrane may be used as a battery separator.Type: GrantFiled: May 8, 2017Date of Patent: April 2, 2019Assignee: Celgard, LLCInventors: C. Glen Wensley, Lie Shi
-
Patent number: 10238388Abstract: A buttress assembly is configured to temporarily adhere to a wet surgical stapler end effector. The buttress assembly includes a buttress body and a humidity tolerant adhesive. The adhesive includes a bioabsorbable polymer having a block configuration selected from the group consisting of A-B-A and A-B-C. The A block is a bioabsorbable homopolymer characterized by a glass transition temperature of at least about 0° C., a crystallinity as measured by X-ray diffraction of at least about 30%, and a melting temperature of at least about 50° C. The B block is a bioabsorbable homopolymer or co-polymer that is characterized by a glass transition temperature of at least about ?40° C., a crystallinity as measured by X-ray diffraction of at most about 25%, and 2 a molecular weight of from about 20 to about 80 kDa. The C block is a bioabsorbable hydrophilic homopolymer or co-polymer that is miscible with water at 37° C.Type: GrantFiled: October 29, 2015Date of Patent: March 26, 2019Assignee: Ethicon LLCInventors: Frederick E. Shelton, IV, Michael J. Vendely, Prudence A. Turner, Jack Donners, Rao S. Bezwada, Aidan Craigwood, Caroline Hagerman, Ashley Easter, Kathrin Holtzmann
-
Patent number: 10217984Abstract: A separator according to the embodiment includes a porous base material having a thermoplastic resin. The porous base material has a heat-resistant porous layer on at least one surface thereof. The heat-resistant porous layer contains inorganic particles, a resin, and sulfur. A lithium ion secondary battery according to the embodiment, includes: the separator interposed between a positive electrode and a negative electrode; and an electrolyte solution. The heat-resistant porous layer is disposed between the positive electrode and the porous base material. Sulfur is distributed unevenly in the heat-resistant porous layer so as to exist in larger amount near a surface thereof opposite to the porous base material.Type: GrantFiled: September 29, 2015Date of Patent: February 26, 2019Assignee: TDK CORPORATIONInventors: Masahiro Saegusa, Hirokazu Ohnuma, Bungo Sakurai
-
Patent number: 10217985Abstract: A separator includes a porous base, and a first coating layer on a surface of the porous base, the first coating layer including a (meth)acrylic acid ester-based polymer having a glass transition temperature of about 10° C. to about 60° C. The first coating layer may be positioned opposite to a cathode of the lithium secondary battery. The separator may further include a second coating layer on a surface of the porous base opposite to the first coating layer and comprising a (meth)acrylic acid ester-based polymer.Type: GrantFiled: June 30, 2015Date of Patent: February 26, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Ihn Kim, Youngsu Kim, Yunkyung Jo, Narae Park, Jungjin Moon, Seungjun Min, Sunggwi Ko
-
Patent number: 10211440Abstract: A nonaqueous electrolyte secondary battery includes a fiber layer, which contains fiber composed of a synthetic resin, between a separator and a positive electrode and/or between the separator and a negative electrode. The fiber layer contains at least PVDF and PTFE as components of the synthetic resin configuring the fiber. The PVDF and the PTFE both have an average molecular weight of equal to or greater than 200,000 and equal to or less than 2,000,000. In the components of the synthetic resin configuring the fiber, the content of PVDF is greater than the content of PTFE, and the content of PTFE is equal to or less than 45% by mass with respect to the total amount of the components of the synthetic resin.Type: GrantFiled: March 18, 2016Date of Patent: February 19, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroya Umeyama, Harunari Shimamura, Yusuke Fukumoto
-
Patent number: 10211441Abstract: A heat resistant porous layer composition for a separator for an electrochemical battery includes a compound represented by Formula 1, a polyvinylidene fluoride (PVdF)-based polymer, the PVdF-based polymer including one or more of a PVdF-based homopolymer or a PVdF-hexafluoropropylene-based copolymer in which a unit originating from hexafluoropropylene is present in an amount of 15 wt % or less based on the total weight of the PVdF-hexafluoropropylene-based copolymer, the PVdF-hexafluoropropylene-based copolymer having a weight average molecular weight of 600,000 g/mol or more, an initiator; and a solvent, wherein Formula 1 is defined herein.Type: GrantFiled: December 30, 2015Date of Patent: February 19, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Jin Kyu Park, Hyeon Sun Choi, Dae Hyun Hong, Im Hyuck Bae
-
Patent number: 10211442Abstract: As a nonaqueous electrolyte secondary battery insulating porous layer and nonaqueous electrolyte secondary battery laminated separator each of which allows a nonaqueous electrolyte secondary battery to have an improved discharge output characteristic, there are provided (i) a nonaqueous electrolyte secondary battery insulating porous layer containing a filler including a metal oxide and having a capacitance of not less than 0.0390 nF and not more than 0.142 nF per 19.6 mm2 and a thickness of not less than 0.1 ?m and not more than 20 ?m and (ii) a nonaqueous electrolyte secondary battery laminated separator including the porous layer.Type: GrantFiled: November 21, 2016Date of Patent: February 19, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ichiro Arise, Chikara Murakami
-
Patent number: 10205147Abstract: A heat resistant porous layer composition for a separator of an electrochemical battery includes a compound represented by Formula 1, an initiator, and a solvent, wherein Formula 1 is defined herein.Type: GrantFiled: December 30, 2015Date of Patent: February 12, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Jin Kyu Park, Jong Sup Choi, Hyeon Sun Choi
-
Patent number: 10196495Abstract: A functionalized microporous, mesoporous, or nanoporous membrane, material, textile, composite, laminate, or the like, and/or a method of making or using such functionalized membranes. The functionalized porous membrane may be a functionalized microporous, mesoporous, or nanoporous membrane that has a functional molecule attached, such as a functional polymer, to the surface and/or internal fibrillar structure of the membrane.Type: GrantFiled: May 13, 2015Date of Patent: February 5, 2019Assignee: Celgard, LLCInventors: Kristoffer K. Stokes, Karl F. Humiston
-
Patent number: 10196268Abstract: Provided are a positive electrode active material for a sodium ion secondary battery excellent in quick charge-discharge characteristics by preventing fusion between particles of powder during firing, and a method of producing the same. A positive electrode active material for a sodium ion secondary battery of the present invention includes inorganic powder that contains at least one kind of transition metal element selected from the group consisting of Cr, Fe, Mn, Co, and Ni, Na, P, and O, and has a BET specific surface area of from 3 m2/g to 50 m2/g.Type: GrantFiled: August 11, 2015Date of Patent: February 5, 2019Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Junichi Ikejiri, Hideo Yamauchi, Fumio Sato
-
Patent number: 10189968Abstract: Provided are a varnish for porous polyimide film production, providing an unburned composite film that is less likely to have a sea-island structure, and a method for producing a porous polyimide film using the same. The varnish according to the present invention comprises a resin including polyamide acid and/or polyimide, fine particles, and a solvent, and has a fine particle content of not less than 65% by volume relative to the total of the resin and the fine particles and a viscosity at 25° C. of not less than 550 mPa·s. Preferably, the varnish further comprises a dispersant. The method for producing a porous polyimide film according to the present invention comprises: forming an unburned composite film using the varnish; burning the unburned composite film to obtain a polyimide-fine particle composite film; and removing the fine particles from the polyimide-fine particle composite film.Type: GrantFiled: August 19, 2015Date of Patent: January 29, 2019Assignee: TOKYO OHKA KOGYO CO., LTD.Inventors: Mitsuharu Tobari, Masanori Ichikawa, Kaoru Ishikawa, Tsukasa Sugawara
-
Patent number: 10183863Abstract: Provided is a method for the preparation of a porous hollow shell WO3/WS2 nanomaterial, comprising: (1) adding a hexavalent tungsten salt to a sol A comprising mesocarbon microbeads, and stirring to obtain a sol B; (2) drying and grinding the sol B, and then heating a resulting powder at 200-500° C. for 0.5-2 hours to obtain a porous hollow shell WO3 nanocrystalline material; (3) placing the porous hollow shell WO3 nanocrystalline material obtained by Step 2 and a sulfur powder separately in a vacuum furnace, controlling such that a degree of vacuum is ?0.01 to ?0.1 MPa and a temperature is 200-500° C., and reacting for 0.5-3 hours to obtain a WO3/WS2 porous hollow shell nanocrystalline material. Also provided is a porous hollow shell WO3/WS2 nanocrystalline material obtained by the method.Type: GrantFiled: June 4, 2015Date of Patent: January 22, 2019Assignee: Shaanxi University of Science & TechnologyInventors: Jianfeng Huang, Xin Wang, Liyun Cao, Jiayin Li, Haibo Ouyang, Cuiyan Li, Wei Hao, Zhanwei Xu, Jie Fei, Chunyan Yao
-
Patent number: 10186740Abstract: An apparatus includes an electrochemical half-cell comprising: an electrolyte, an anode; and an ionomeric barrier positioned between the electrolyte and the anode. The anode may comprise a multi-electron vanadium phosphorous. The electrochemical half-cell is configured to oxidize the vanadium and phosphorous alloy to release electrons. A method of mitigating corrosion in an electrochemical cell includes disposing an ionomeric barrier in a path of electrolyte or ion flow to an anode and mitigating anion accumulation on the surface of the anode.Type: GrantFiled: June 19, 2017Date of Patent: January 22, 2019Assignee: National Technology & Engineering Solutions of Sandia, LLCInventors: Timothy N. Lambert, Michael Hibbs
-
Patent number: 10186699Abstract: Disclosed is a laminate for non-aqueous secondary battery which includes a functional layer that has superior transferability and may exert high function. The disclosed laminate includes a releasable substrate having a water contact angle of 70° or more, and a functional layer on the releasable substrate. The functional layer includes organic particles and a binder. The organic particles each have a core-shell structure having a core and a shell that partially covers an outer surface of the core. The core is made of polymer having a degree of swelling in electrolysis solution of 5 times or more to 30 times or less. The shell is made of polymer having a degree of swelling in electrolysis solution of greater than 1 time to 4 times or less.Type: GrantFiled: August 12, 2015Date of Patent: January 22, 2019Assignee: ZEON CORPORATIONInventor: Tomokazu Sasaki
-
Patent number: 10177415Abstract: Provided is an adhesive composition for an electrochemical device capable of forming an adhesive layer that has excellent adhesiveness in electrolysis solution and can improve electrical characteristics of an electrochemical device. The adhesive composition can be used for adhering an electrode assembly and a casing to one another. The adhesive composition contains organic particles having a core-shell structure including a core portion and a shell portion that partially covers an outer surface of the core portion. A polymer of the core portion has a degree of swelling in electrolysis solution of at least a factor of 5 and no greater than a factor of 30, whereas a polymer of the shell portion has a degree of swelling in electrolysis solution of greater than a factor of 1 and no greater than a factor of 4.Type: GrantFiled: September 7, 2015Date of Patent: January 8, 2019Assignee: ZEON CORPORATIONInventor: Tomokazu Sasaki
-
Patent number: 10177361Abstract: A coating liquid according to the present invention comprises polyvinyl alcohol (PVA), boric acid and/or an organometallic compound having the ability of cross-linking PVA, an inorganic filler, a water-soluble compound having a carboxyl group and/or a sulfonic group, and water. According to the present invention, a coating liquid can be obtained which is useful in the preparation of a laminated porous film having suppressed powder fall-off and excellent heat shape stability.Type: GrantFiled: June 17, 2013Date of Patent: January 8, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Hirohiko Hasegawa
-
Patent number: 10173179Abstract: An ion-permeable membrane is substantially free of holes and has excellent ion permeability, heat resistance, strength, and flexibility. A battery electrolyte membrane uses the ion-permeable membrane, and can form an electrode composite body. The polymer-ion-permeable membrane has an average radius of free volume of 0.32-0.50 nm.Type: GrantFiled: December 9, 2015Date of Patent: January 8, 2019Assignee: Toray Industries, Inc.Inventors: Atsushi Sawamoto, Dai Nishimura, Akimitsu Tsukuda
-
Patent number: 10168285Abstract: A separator producing method includes the steps of: winding up, around a core (81, 53), a separator (12a, 12b) having a defect (D) detected; and providing a defect code (DC2) including information on a position of the defect (D) in the longitudinal direction of the separator (12a, 12b) on (i) the outermost portion (86, 86b) of the separator (12a, 12b), wound around the core (81, 53), or (ii) the core (81, 53), around which the separator (12a, 12b) is wound.Type: GrantFiled: September 18, 2015Date of Patent: January 1, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Koji Kashu, Yusuke Kon, Tatsuya Sakamoto, Jian Wang
-
Patent number: 10164261Abstract: The present invention relates to a multifunctional web for use in a lead-acid battery comprising natural fibers and heat-sealable fibers, the use of the multifunctional web in a lead-acid battery, a lead plate comprising a metal grid coated with a lead paste contacting the multifunctional web, a method of preparing the lead plate and a lead-acid battery assembly comprising the lead plate.Type: GrantFiled: May 23, 2012Date of Patent: December 25, 2018Assignee: GLATFELTER GERNSBACH GMBH & CO. KGInventors: Lutz Friedl-Goeppentin, Régis Dumont-Roty
-
Patent number: 10153471Abstract: Provided is a lithium ion secondary battery including a positive electrode, a negative electrode, a separator, and an electrolyte solution, in which the separator contains 0.02 to 0.11 wt % of sulfur relative to the weight of the separator.Type: GrantFiled: June 2, 2016Date of Patent: December 11, 2018Assignee: Automotive Energy Supply CorporationInventor: Takayuki Fujii
-
Patent number: 10135053Abstract: Disclosed is a method of manufacturing a porous separator including an elastic material, and a separator manufactured by the method. The separator includes an elastic material being uniformly dispersed in a polymer at a weight ratio of 40:60 to 5:95, and a value of elongation at break in a low tensile strength direction at room temperature is greater than or equal to 250%. In addition, the method of manufacturing a porous separator includes forming an extruded sheet by extruding a mixture of a polymer and an elastic material at a weight ratio of 95:5 to 60:40, forming a film by annealing and stretching the extruded sheet, and forming a porous separator by heat setting the stretched film. Accordingly, a thermal shrinkage ratio of the film is reduced and an elongation at break is greatly increased, to provide a porous separator with improved stability.Type: GrantFiled: August 6, 2014Date of Patent: November 20, 2018Assignee: LG Chem, Ltd.Inventors: Joo-Sung Lee, Byoung-Jin Shin, Dong-Wook Sung, Jong-Hun Kim
-
Patent number: 10128482Abstract: A separator includes a substrate layer made of a resin and a heat resistance layer. The heat resistance layer contains heat-resistant fine particles and a binder. An amount of the binder contained per unit volume in the heat resistance layer positioned at an end portion in a width direction perpendicular to a longitudinal direction of the separator is higher than the amount of the binder contained per unit volume in the heat resistance layer (84) positioned at a center portion which includes the center in the width direction of the separator. In the heat resistance layer at the end portion, the amount of the binder contained per unit volume in a substrate layer side region is higher than the amount of the binder contained per unit volume in a surface region which includes a surface of the heat resistance layer.Type: GrantFiled: April 11, 2016Date of Patent: November 13, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinpei Kondo, Yutaka Oyama, Akihiro Ochiai
-
Patent number: 10115966Abstract: The invention relates to electrodes that contain active materials of the formula: AaMbXxOy wherein A is one or more alkali metals selected from lithium, sodium and potassium; M is selected from one or more transition metals and/or one or more non-transition metals and/or one or more metalloids; X comprises one or more atoms selected from niobium, antimony, tellurium, tantalum, bismuth and selenium; and further wherein 0<a?6; b is in the range: 0<b?4; x is in the range 0<x?1 and y is in the range 2?y?10. Such electrodes are useful in, for example, sodium and/or lithium ion battery applications.Type: GrantFiled: March 21, 2013Date of Patent: October 30, 2018Assignee: FARADION LTDInventors: Jeremy Barker, Richard Heap
-
Patent number: 10115950Abstract: The present disclosure provides a method of preparing a separator for a lithium secondary battery, comprising: (S1) bringing polymer particles into electric charging to obtain electrically charged polymer particles; (S2) transferring the electrically charged polymer particles on at least one surface of a porous polymer substrate to form an electrode-adhesion layer whose area ranges from 1 to 30% based on the total area of the porous polymer substrate; and (S3) fixing the electrode-adhesion layer with heat and pressure. In accordance with the present disclosure, an electrode-adhesion layer is applied by using electrostatic charging, more specifically coating polymer particles by way of laser printing, without the addition of a slurry in a solvent, thereby allowing easy handling and storage and needs no drying step of the solvent to provide cost savings effect as well as rapid and efficient preparation of the separator.Type: GrantFiled: September 30, 2014Date of Patent: October 30, 2018Assignee: LG Chem, Ltd.Inventors: Joo-Sung Lee, Sun-Mi Jin, Da-Kyung Han, Ji-Eun Kim, Kyung-Ryun Ka