Patent application number | Description | Published |
20100324521 | ABSORBENT ARTICLE - The absorbent article includes a chassis, a crotch region, an absorbent body, and an elastic member arranged along a side edge in width direction of the crotch region. The oblong absorbent body arranged in the crotch region includes a first narrow width section, a second narrow width section, a center low rigidity section formed along a center line that halves the absorbent article in the width direction and a pair of lateral low rigidity sections provided at both sides of the center low rigidity section in the width direction with a substantially equal interval. Skin contacting face-side sheets and non-skin contacting face-side sheets | 12-23-2010 |
20100324523 | ABSORBENT ARTICLE - The absorbent article includes a chassis, a crotch region, an absorbent body, and an elastic member arranged along a side edge in width direction of the crotch region. The oblong absorbent body arranged in the crotch region includes a first narrow width section, a second narrow width section, a center low rigidity section formed along a center line that halves the absorbent article in the width direction and a pair of lateral low rigidity sections provided at both sides of the center low rigidity section in the width direction with a substantially equal interval. Skin contacting face-side sheets and non-skin contacting face-side sheets | 12-23-2010 |
20110046590 | ABSORBENT WEARING ARTICLE - The present invention aims to provide an absorbent wearing article having a feeling to wear well improved. | 02-24-2011 |
20120226255 | DISPOSABLE WEARING ARTICLE - A chassis of a diaper includes a first outer sheet defining a front waist region and a part of a crotch region, a second outer sheet defining a rear waist region and a part of the crotch region and a middle sheet connecting these sheets and defining a part of the crotch region. To the skin-facing side of the chassis, a liquid-absorbent structure is attached. The liquid-absorbent structure is provided with first and second elastic sheets overlapping front and rear ends of the liquid-absorbent structure, respectively. The first elastic sheet is attached under tension in a transverse direction and in contractible manner between a bottom surface of the liquid-absorbent structure and the first outer sheet and the second elastic sheet is located on a skin-facing surface of the liquid-absorbent structure and attached thereto under tension in the transverse direction and in contractible manner. | 09-06-2012 |
20120253306 | DISPOSABLE WEARING ARTICLE - The present invention aims to provide a disposable wearing article improved so that front and rear waist regions may assure desired fitness without adversely affecting an absorption capacity of a bodily fluid-absorbent core assembly. At least one of front and rear waist regions includes an inner sheet lying on a skin-facing side and having stretch properties and an outer sheet lying on a non-skin-facing side and having a low elastic contractile force. In a section of this one waist region occupied by a liquid-absorbent core assembly including a bodily fluid-absorbent core, the inner sheet is partially cut to define a perforated region. Adhesive used to bond the liquid-absorbent core assembly to the inner sheet and adhesive used to bond the inner sheet to the outer sheet are put in contact with and joined to each other through openings developed by partially cutting the inner sheet. | 10-04-2012 |
20120253307 | PANT-TYPE DISPOSABLE WEARING ARTICLE - A pant-type disposable wearing article includes at least one waist region of front and rear waist regions, which includes an inner sheet lying on the skin-facing side and an outer sheet lying on the non-skin-facing side. The inner sheet has a contractile force higher than that of the outer sheet at least in the transverse direction X. Opposite lateral sections of the inner sheet and opposite lateral sections of the outer sheet are permanently bonded together and extend outward in the transverse direction X from arrays of side seam spots to form front flaps and rear flaps defining protruding rims. The front flaps and the rear flaps are curled inwardly. This article is improved so that opposite side edges do not irritate a wearer's skin even if the wearer's skin comes in contact with these side edges and, in addition, good appearance from a lateral view is assured. | 10-04-2012 |
20120259307 | DISPOSABLE WEARING ARTICLE - A disposable wearing article includes a front side edges lying in a front waist region, rear side edges lying in a rear waist region and crotch side edges lying in a crotch region. A chassis of the diaper includes a first backsheet forming the front waist region and a part of the crotch region and a second backsheet forming the rear waist region and a part of the crotch region. The front and rear waist regions are provided with first front and rear waist elastic yarns or threads and front and rear region elastic sheets, and the crotch region is provided along the crotch side edges with front and rear leg elastic elements. Ends of front leg elastic elements on one side overlap the front side edges. Ends of the rear leg elastic elements on one side overlap the rear side edges. | 10-11-2012 |
20120283682 | DISPOSABLE WEARING ARTICLE - The present invention provides a disposable wearing article having a position indicator mark formed on a crotch member and overlapped by front and rear waist members. Front and rear waist members overlap front and rear ends, respectively, of a crotch member and are bonded thereto to define first and second overlapping regions and an intermediate region extending between these first and second overlapping regions. A position indicator mark is formed in the first overlapping region, a graphic of fish is portrayed as a crotch graphic element in the second overlapping region and graphics of fish are portrayed in the intermediate region as crotch graphic elements. In the first overlapping region, a front waist sheet of the front waist member overlaps a front graphic film on which a graphic of penguin is portrayed as a front graphic element which, in turn, overlaps the position indicator mark. | 11-08-2012 |
20120289920 | DISPOSABLE PANTS-TYPE WEARING ARTICLE - The present invention provides a disposable pants-type wearing article using belt-like leg elastic member. Respective opposite side edges of front and rear waist regions of a disposable pants-type wearing article are fusion-bonded together to define put flat and joined together regions. Belt-like leg elastic members respectively have front side upper ends lying in the front waist region and included by the put flat and joined together regions and rear side upper ends lying in the rear waist region and included by the put flat and joined together regions. In the put flat and joined together regions, lower edges of the upper ends and lower edges of the rear side upper ends are displaced one from another in such a manner that the one pair of the lower edges lie below the other pair of the lower edges. The one pair of the lower edges are fusion-bonded to at least one of a sheet-like member and a sheet-like member covering the other pair of the lower edges at a level lower than the other pair of the lower edges. | 11-15-2012 |
20120289922 | DISPOSABLE PANTS-TYPE WEARING ARTICLE - The present invention provides a disposable pants-type wearing article free from possibility that upper regions of the leg-openings' peripheral edges might be formed with frills even when the belt-like leg elastic members contract along the peripheral edges of the respective leg-openings. Belt-like leg elastic members in a disposable pants-type diaper each has inner and outer surfaces at least one of which is bonded to sheet-like members included in put flat and joined together regions and a crotch region of the diaper. The belt-like leg elastic members extend from the respective put flat and joined regions along leg-openings' peripheral edges. Over ranges in which the belt-like leg elastic members extend along the respective peripheral edges the sheet-like members also extend along the peripheral edges. | 11-15-2012 |
20120296294 | ABSORBENT STRUCTURE FOR BODILY FLUID-ABSORBENT WEARING ARTICLE - The present invention to provide an absorbent structure adapted to prevent the liquid-absorbent materials from falling off the wrapping sheets. An aggregate of liquid-absorbent materials in an absorbent structure has an inner surface covered with a first wrapping sheet and an outer surface and lateral surfaces covered with a second wrapping sheet. The first wrapping sheet and the second wrapping sheet respectively have first extended portions lying outboard of the lateral surfaces and second extended portions wherein the first extended portions and the second extended portions are put flat and bonded together to form laminated regions. The laminated regions cover the lateral surfaces of the aggregate and part of the outer surface which, in turn, covers these lateral surfaces and the outer surface. | 11-22-2012 |
20150032072 | DISPOSABLE WEARING ARTICLE - A disposable wearing article includes an annular elastic waist panel having a front waist panel and a rear waist panel joined to each other and a crotch panel provided with an absorbent structure and connected to the elastic waist panels. Respective inner end edges of the front and rear waist panels cooperate with lateral edges of the crotch panel extending in a longitudinal direction to form a pair of leg-openings' peripheries. The crotch panel includes a pair of leg sheets connected to both lateral edges of the absorbent structure. The respective leg sheets include inner regions adjoining to the absorbent structure and outer regions adjoining the inner regions so that the inner regions rise above the absorbent structure along both lateral edges of the absorbent structure to define the leg-openings' peripheries and the outer regions are bent outwardly in the transverse direction so as to define the leg-openings' peripheries. | 01-29-2015 |
20150051569 | DISPOSABLE WEARING ARTICLE - A disposable wearing article includes, in an inner end portion of a front waist region, a pair of first side elastic zones spaced apart from each other in a transverse direction and a first middle inelastic zone lying between the first side elastic zones. The article further includes, in an inner end portion of a rear waist region, a pair of second side elastic zones spaced apart from each other in the transverse direction and a second middle inelastic zone lying between the second side elastic zones. A crotch panel includes a pair of leg elastics intersecting with the first and second side elastic zones. A dimension in the transverse direction of the second middle inelastic zone is larger than that of the first middle inelastic zone. A dimension in the transverse direction of the respective first intersection zones is larger than that of the respective second intersection zones. | 02-19-2015 |
20150148768 | WEARING ARTICLE - A diaper includes front and rear waist panels respectively defining front and rear waist regions, a crotch panel defining a crotch region, and an absorbent structure extending in a longitudinal direction. The crotch panel has a base sheet and a pair of leg sheets attached to both lateral edge portions of the base sheet. In vicinities of front and rear end portions of the crotch panel, first joint regions extending in a transverse direction from the base sheet beyond outer lateral edge portions of the respective leg sheets are formed. Through these joint regions, the crotch panel is joined to the front and rear waist panels. Cover sheets adapted to cover the front and rear end portions are joined to an interior crotch sheet of the crotch panel through second joint regions. The cover sheets extend outwardly in the transverse direction beyond the first joint regions. | 05-28-2015 |
Patent application number | Description | Published |
20110039147 | BATTERY MODULE - A battery module including a plurality of rechargeable batteries including a case and terminals protruding outside of the case; a first connecting member electrically connecting first terminals of neighboring rechargeable batteries and including a fuse unit configured to disconnect the first terminals of the neighboring rechargeable batteries when an overcurrent is generated; a plurality of second connecting members electrically connecting second terminals of the neighboring rechargeable batteries to terminals of connected rechargeable batteries; and a shorting member configured to generate a short circuit by connecting neighboring second connecting members to each other. | 02-17-2011 |
20110183191 | Secondary battery - A secondary battery including a case providing an inner space; at least one electrode assembly, the at least one electrode assembly including a stacked and wound positive electrode plate, negative electrode plate, and separator between the positive electrode plate and the negative electrode plate, and being disposed within the case and including a non-coating portion on an end thereof; a collector plate including alternately arranged crests and troughs, the non-coating portion of the electrode assembly being disposed on the crests and the crests being welded to the non-coating portion; a collector terminal coupled to one end of the collector plate, the collector terminal protruding upwardly from the case; and a cap plate on an upper portion of the case, the cap plate sealing the case. | 07-28-2011 |
20110287309 | Secondary battery - A secondary battery includes a case including an internal space, at least one electrode assembly in the case, the electrode assembly including a separator between a positive electrode plate and a negative electrode plate, and the positive and negative electrode plates including uncoated portions at edges of the electrode assembly, at least one current collector piece coupled to the uncoated portions of the electrode assembly, the at least one current collector piece being inserted into an interior region of the uncoated portions, a current collector terminal coupled to the current collector piece and protruding to an upper portion of the case, and a cap plate coupled to the upper portion of the case. | 11-24-2011 |
20110294367 | Electrode terminal and secondary battery including the same - An electrode terminal and a secondary battery including the same, the electrode terminal including a screw member, the screw member including a flange on a lower outer peripheral surface thereof; and a coupling member including an upper portion bent so as to surround at least a part of the flange, and a lower portion bent so as to contact an internal surface of a cap assembly and coupled to the cap assembly. | 12-01-2011 |
20110300436 | Secondary battery - A secondary battery including a case having an internal space; an electrode assembly in the case, the electrode assembly including a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, and a non-coating portion; a collector plate, the collector plate including a plate section and a protrusion extending from the plate section, the protrusion being inserted into and coupled to the non-coating portion; a collector terminal coupled to one end of the collector plate, the collector terminal protruding upwardly from the case; and a cap plate coupled to a top end of the case and sealing the case. | 12-08-2011 |
20140106205 | SECONDARY BATTERY - A secondary battery includes: a case; an electrode assembly housed in the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode having a coating portion coated with a first active material and a non-coating portion absent the first active material; and a collector plate including first and second collector plates enmeshed together with the non-coating portion therebetween. | 04-17-2014 |
Patent application number | Description | Published |
20100049153 | COMPOSITE SHEET AND ABSORBENT ARTICLE COMPRISING COMPOSITE SHEET - A composite sheet which has a low basis weight, can be prevented from breaking during the production of an absorbent article or in use, and is good to the touch. The composite sheet is a sheet formed by bonding a stretch nonwoven fabric to a nonstretch nonwoven fabric with an adhesive. The stretch nonwoven fabric is bonded in a stretched state to the nonstretch sheet. The stretch nonwoven fabric has, on each side, strip-form sparse regions and strip-form dense regions alternately formed. The sparse regions and dense regions on one side are alternately formed in a second direction so that the dense regions on this side do not overlie the dense regions on the other side. The composite sheet has a maximum breaking strength of 20 N/50 mm or higher. | 02-25-2010 |
20110022020 | ABSORBENT ARTICLE - The present invention provides an absorbent article | 01-27-2011 |
20110178489 | DISPOSABLE DIAPER - A disposable diaper having a tensile stress well compatible with a wearer's average body contour including convex and concave and thereby to reduce creating an uncomfortable feeling of tightness against the wearer. The disposable diaper including a front waist region that is divided into a first elastic zone extending in the transverse direction along a peripheral edge of the waist-opening, a second elastic zone lying next to the first elastic zone and extending in the transverse direction and a third elastic zone lying next to the second elastic zone extending in the transverse direction between the second elastic zone and the crotch region and the rear waist region is divided into a fourth elastic zone extending in the transverse direction along the peripheral edges of the waist-opening, a fifth elastic zone lying next to the fourth elastic zone and extending in the transverse direction and a sixth elastic zone lying next to the fifth elastic zone and extending in the transverse direction between the fifth elastic zone and the crotch region. The correlation among values of the tensile stress in the elastic zones can be represented by the sixth elastic zone>the second elastic zone>the third elastic zone≧the fifth elastic zone>the first elastic zone and the fourth elastic zone. | 07-21-2011 |
20120022486 | ABSORBENT ARTICLE AND COMPOSITE SHEET - The present invention provides an absorbent article having a composite sheet with a plurality of gathers on an inner surface facing a wearer's body, which fits and adheres comfortably to the wearer's skin. The composite sheet is provided which includes a stretchable non-woven fabric which expands and contracts in at least one direction, a non-stretchable non-woven fabric, a junction which binds intermittently the stretchable non-woven fabric to the non-stretchable non-woven fabric in the stretching direction, and a plurality of gathers which is formed by loosening a unbounded area of the non-stretchable non-woven fabric in a contracted state, and is arranged along a direction intersecting the stretching direction, in which an apex of each gather does not reach the neighboring gather when the gathers lean to one side of the stretchable direction. | 01-26-2012 |
20120022488 | WEARING ARTICLE - A wearing article has a chassis and leg elastic members of a flat band shape that are attached to the chassis along leg side edges thereof. The chassis has regions each of which overlaps one of the leg elastic members and includes at least one series of depressions extending along the respective leg side edge. | 01-26-2012 |
20120029460 | DISPOSABLE WEARING ARTICLE - A disposable wearing article includes, in an elastic region in a periphery of at least a waist- or leg-opening, an elastic band formed of a fibrous non-woven fabric which is elastically contractible and has a plurality of first gathers extending in a length direction so as to undulate in a width direction thereof. | 02-02-2012 |
20120035564 | PULL-ON ARTICLE - A pull-on article comprises a chassis including a first waist region, a second waist region and a crotch region between the first and second waist regions. The article is shaped into a pull-on having a waist and a pair of leg openings by weld-bonding side edges of the first and second waist regions. The waist and leg openings are respectively provided along respective edged defining the waist and leg openings with waist and leg elastic members which are respectively formed into a tape shape having a relatively width dimension. The first and second waist regions, and the leg and waist elastic members are respectively formed of a fibrous non-woven fabric including at least thermoplastic fibers wherein the leg and waist elastic members include at least elastically extendible fibers as the thermoplastic fibers. | 02-09-2012 |
20130060220 | DISPOSABLE WEARING ARTICLE - The present invention provides a disposable wearing article adapted to inhibit sweating and an uncomfortable stuffiness. Front and rear waist regions of a disposable wearing article have inner surfaces thereof at least partially formed of elastic sheets. The elastic sheets are made of a mixture of elastic fibers and inelastic fibers and formed with ridges and grooves. The elastic sheets have a thickness in the ridges repetitively reduced and restored as the elastic sheets repeat elastic stretch and contraction in the waist circumferential direction. | 03-07-2013 |
20140102618 | METHOD FOR MANUFACTURING STRETCH SHEET - A method for manufacturing a stretch sheet draw a nonwoven fabric conveyed in a continuous state by teeth formed on an outer circumferential surface of a pair of rotating rollers by passing the nonwoven fabric through a gap between the rotating rollers meshing with each of the teeth. The method includes a step of joining a first end of the first nonwoven fabric roll and a second end of the other nonwoven fabric roll through a joint portion. The joint portion is arranged intermittently in a cross direction that crosses the conveyance direction. | 04-17-2014 |
Patent application number | Description | Published |
20090270292 | Lubricant Composition - A lubricant composition, which comprises a fluoro-oil, a powdery fluororesin thickener, and Ca salt or Na salt of aromatic sulfonic acid or saturated aliphatic dicarboxylic acid as a rust-inhibitive additive, where the thickener is in a proportion of 10-40% by weight, and the additive is in a proportion of 0.3-10% by weight, on the basis of total weight of the composition, the balance being the fluoro-oil. The lubricant composition containing the powdery fluororesin in an appropriate admixing proportion as a thickener in the fluoro oil has a distinguished rust inhibition, particularly even after having being subjected to heat hysteresis, where a perfluoropolyether oil is usually used as a fluoro-oil. | 10-29-2009 |
20100210494 | GREASE COMPOSITION AND PROCESS FOR PRODUCING THE SAME - A grease composition, which comprises a mixture of mutually incompatible thickener-containing non-fluorine-based base oil and thickener-containing fluorine-based base oil, the base oils being in a morphological structure, where one of the base oils is homogeneously dispersed in a particulate state in the other base oil, can be produced by kneading the mixture through a three-roll mill at least twice. By forming a morphological structure, one of the mutually incompatible non-fluorine-based base oil and fluorine-based base oil is homogeneously dispersed in a particulate state in the other base oil, that is, by forming a microscopically dispersed state, the following effects can be obtained (1) less oil separation (smaller degree of oil separation) at elevated temperatures, (2) distinguished shearing stability, (3) low and stable friction coefficient, and (4) less abrasion. | 08-19-2010 |
20100240557 | PERFLUOROPOLYETHER OIL COMPOSITION - A perfluoropolyether oil composition, which comprises a perfluoro-polyether base oil, preferably a thickener-containing perfluoropolyether base oil, and a fluorine-containing di- or mono-amide-based compound having a perfluoropolyether group, where 0.01 to 50% by weight of the amide-based compound, based on total weight of the base oil and the amide-based compound, is contained when the perfluoropolyether oil composition is used as a lubricating oil composition, particularly grease, and 0.01 to 90% by weight thereof is contained, when the perfluoropolyether oil composition is used as an electrode-coating agent for a cell. The perfluoropolyether oil composition shows a metal surface protective action against corrosive gases such as sulfide gases, etc. without deteriorating the abrasion resistance, and also shows a distinguished high temperature durability even in the presence of graphite or molybdenum disulfide. Furthermore, creeping-up of the electrolytic solution along the electrodes or leakage thereof can be suppressed only by its coating onto the electrode surfaces in the cell. | 09-23-2010 |
20100298182 | Method of preventing corrosion of copper and silver surfaces by corrosive gases - A lubricating grease composition, which comprises a base oil consisting of a mixture of 100 parts by weight of at least one of a perfluoropolyether oil (A), represented by RfO[CF(CF | 11-25-2010 |
20110218128 | LUBRICATING GREASE COMPOSITION AND METHOD FOR PRODUCING THE SAME - Disclosed is a lubricating grease composition comprising a complex metal soap thickener of aliphatic dicarboxylic acid and monoamide monocarboxylic acid, and a fluororesin powder contained in a base oil mixture of a non-fluorine-based base oil and a fluorine-based base oil, which are incompatible with each other. The lubricating grease composition can be produced by kneading, preferably kneading by a three-roll mill, a non-fluorine-based grease and a fluorine-based grease, the non-fluorine-based grease being prepared by stirring a non-fluorine-based base oil, aliphatic dicarboxylic acid, and monoamide monocarboxylic acid under heating, and adding metal hydroxide thereto to form a complex metal soap in the non-fluorine-based base oil; and the fluorine-based grease being prepared from a fluorine-based base oil and a fluororesin powder. | 09-08-2011 |
Patent application number | Description | Published |
20130157130 | METHOD FOR PRODUCING BATTERY ELECTRODE - A main object of the present invention is to provide a method for producing a battery electrode that has excellent adhesion between a collector and an active material layer by suppressing a migration phenomenon. The method for producing a battery electrode of the present invention is a method for producing a battery electrode | 06-20-2013 |
20140001400 | METHOD FOR PRODUCING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE PASTE | 01-02-2014 |
20140342200 | SEALED LITHIUM SECONDARY BATTERY - The present invention provides a sealed lithium secondary battery in which redox shuttle reactions of an aromatic compound that is an overcharge inhibitor are inhibited, and the aromatic compound decomposes appropriately, and a desired amount of gas can be generated more stably than in conventional instances, even in high-temperature environments. In the sealed lithium secondary battery ( | 11-20-2014 |
20150030931 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR SECONDARY BATTERY - The non-aqueous electrolyte secondary battery | 01-29-2015 |
20150221951 | LITHIUM SECONDARY BATTERY - This invention provides a lithium secondary battery that comprises a positive electrode comprising a positive electrode active material layer and a negative electrode comprising a negative electrode active material layer. The positive electrode active material layer and the negative electrode active material layer are placed to face each other. The negative electrode active material layer has an area A comprising a non-positive-electrode-facing portion that does not face the positive electrode active material layer. The area A comprises a negative electrode active material, a hot-melt binder and a temperature-sensitive thickener. The hot-melt binder has a melting point and the temperature-sensitive thickener has a gelation temperature both in a range of 45° C. to 100° C. | 08-06-2015 |
20150255786 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a positive electrode for nonaqueous electrolyte secondary batteries including a positive electrode mixture layer formed of a positive electrode mixture paste containing a positive electrode active material. The positive electrode active material has a particle diameter of 2 μm or more and less than 7 μm. The positive electrode mixture layer includes a first mixture layer in which a maximum diameter of pores formed between particles of the positive electrode active material is more than 1.0 μm and 5.0 μm or less, and a second mixture layer in which a maximum diameter of the pores is 1.0 μm or less. The second mixture layer is arranged closer to the current collector than the first mixture layer. A ratio of a thickness of the first mixture layer to a thickness of the second mixture layer is more than 0.1 and 1.0 or less. | 09-10-2015 |
20150280209 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a non-aqueous electrolyte secondary battery that comprises a positive electrode sheet comprising a positive electrode active material layer, and a negative electrode sheet comprising a negative electrode active material layer. The positive electrode sheet and the negative electrode sheet are arranged such that the positive electrode active material layer and the negative electrode active material layer face each other. The negative electrode active material layer comprises a face-to-face region N | 10-01-2015 |
20150333324 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF PRODUCING SAME - A nonaqueous electrolyte secondary battery includes: a positive electrode collector core material; and a sheet body including a plurality of granulation bodies. The sheet body is disposed on the positive electrode collector core material. The granulation bodies each contain a first positive electrode active material particle, a second positive electrode active material particle, and expanded graphite, the first positive electrode active material particle including lithium-nickel composite oxide, the second positive electrode active material particle including lithium iron phosphate. | 11-19-2015 |
20150349329 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A non-aqueous electrolyte secondary battery includes a positive electrode composite material layer containing first positive electrode active material particles containing a lithium nickel composite oxide, second positive electrode active material particles containing lithium iron phosphate, and a conductive material. A ratio of the second positive electrode active material particles in a total mass of the first positive electrode active material particles and the second positive electrode active material particles is not lower than 5 mass % and not higher than 20 mass %. A standard deviation σ representing distribution of an iron element satisfies a condition of 0.28≦σ≦0.52 when distribution of the iron element is determined by conducting area analysis with an electron probe microanalyzer in a cross-section of the positive electrode composite material layer. | 12-03-2015 |
20150372338 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING POSITIVE ELECTRODE SHEET OF NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR MANUFACTURING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes an electrode wound body formed by winding positive and negative electrode sheets with separators interposed therebetween. The positive electrode sheet is manufactured through a coating process wherein a positive electrode mixture paste is applied to a current collecting sheet to form a mixture layer. Prior to the coating process, sections of the current collecting sheet to be uncoated and to be coated are differentiated in terms of wettability. Alternatively, a positive electrode mixture paste with viscosities at slow and fast shear velocities within a predetermined range is used. Thus, the cross-sectional shape of the width-direction end of the mixture layer includes a steep cross-sectional shape, wherein the width of a section as thin as or thinner than 50% of a thickness of a width-direction center flat portion of the mixture layer is 100 μm or less. | 12-24-2015 |
Patent application number | Description | Published |
20140170449 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery has a battery can, an electrode assembly in the battery can formed by rolling up a positive electrode, a separator, and a negative electrode, an organic electrolyte solution in the battery can, a positive electrode lead in the battery can connected to the positive electrode, a negative electrode lead in the battery can connected to the negative electrode, an overcharge preventer, a cap body sealing the battery can, a positive electrode terminal fixed to the cap body and connected to the positive electrode lead, and a negative electrode terminal fixed to the cap body and connected to the negative electrode lead. | 06-19-2014 |
20140170450 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery of an embodiment includes: a battery can; an electrode assembly in the battery can formed by rolling up a positive electrode, a separator and a negative electrode; an organic electrolyte solution in the battery can; a positive electrode lead in the battery can connected to the positive electrode; a negative electrode lead in the battery can connected to the negative electrode; and an overcharge preventer in the battery can; a cap body sealing the battery can; a positive electrode terminal fixed to the cap body and connected to the positive electrode lead; and a negative electrode terminal fixed to the cap body and connected to the negative electrode lead. | 06-19-2014 |