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Masayuki Ihara patents

Recent patents with Masayuki Ihara listed as an inventor - additional entries may be under other spellings.


Masayuki Ihara - Related organizations: Sony Corporation patents, Sony Corproation patents

Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

02/16/17 - 20170047613 - A secondary battery includes a cathode, an anode, and a nonaqueous electrolytic solution. The anode contains a carbon material and silicon oxide, and a weight ratio (%) of the silicon oxide with respect to a total of the carbon material and the silicon oxide is within a range of 0.01%
Inventors: Masayuki Iwama, Shinji Hatake, Masayuki Ihara

Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

12/08/16 - 20160359200 - where X is a divalent group in which m-number of >C═CR1-R2 and n-number of >CR3R4 are bonded in any order; each of R1 to R4 is one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, and a
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery

11/17/16 - 20160336616 - A secondary battery is provided. The secondary battery includes a cathode; an anode; and a non-aqueous electrolytic solution, wherein the cathode includes any one of a first lithium-containing compound and a second lithium-containing compound, the first lithium-containing compound having a bedded salt-type crystal structure, wherein the first lithium-containing compound includes
Inventors: Toshio Nishi, Masayuki Ihara, Hideki Nakai, Akinori Kita

Electrolytic solution and battery

07/14/16 - 20160204472 - An electrolytic solution for a secondary battery is provided. The electrolyte solution includes an electrolyte salt; and a solvent including a first solvent and a second solvent; wherein the first solvent includes 4-fluoro-1,3-dioxolane-2-one; and wherein the second solvent includes at least one of Chemical Formula No. 23, Chemical Formula No.
Inventors: Masayuki Ihara, Kiyohiko Suzuki, Akinori Kita, Tadahiko Kubota

Electrolytic solution and battery

01/28/16 - 20160028124 - An electrolytic solution and battery are provided. The battery includes a cathode, an anode and the electrolytic solution, and a separator arranged between the cathode and the anode is impregnated with the electrolytic solution. The solvent of the electrolytic solution includes a sulfone compound having a sulfonyl fluoride type structure.
Inventors: Masayuki Ihara, Hiroyuki Yamaguchi, Tadahiko Kubota

Electrolyte and secondary battery

10/29/15 - 20150311566 - Secondary batteries capable of improving cycle characteristics are provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. A separator provided between the cathode and the anode is impregnated with the electrolytic solution. The electrolytic solution contains a solvent and an electrolyte salt. The solvent contains a
Inventors: Yuko Hayakawa, Tadahiko Kubota, Masayuki Ihara

Electrode and secondary battery

09/24/15 - 20150270551 - A secondary battery includes: a cathode; an anode including a carbon material; and non-aqueous electrolytic solution. A photoelectron spectrum of oxygen 1s is obtained from an analysis of the anode by X-ray photoelectron spectroscopy. A first peak positioned in vicinity of 1360 reciprocal centimeters and a second peak positioned in
Inventors: Toshio Nishi, Masayuki Ihara, Hideki Nakai, Akinori Kita

Secondary battery, battery pack, electric vehicle, and electric power storage system

05/21/15 - 20150140421 - where X is one of a divalent chain hydrocarbon group, a divalent fluorinated chain hydrocarbon group, and nothing; Y is one of a cyano group (—C≡N) and an isocyano group (—N+≡C—); R is one of a monovalent fluorinated chain hydrocarbon group and a monovalent fluorinated cyclic hydrocarbon group; and x
Inventors: Masayuki Ihara, Shigeru Fujita

Electrlytic solution material, electrlytic solution, and secondary battery

02/26/15 - 20150056501 - A secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution contains an electrolytic solution material together with a nonaqueous solvent and an electrolyte salt. The electrolytic solution material includes one or more of first unsaturated compounds and second unsaturated compounds represented, and one or more
Inventors: Masayuki Ihara, Shigeru Fujita

Electrode, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

02/05/15 - 20150037620 - A secondary battery includes: a cathode; an anode; and a non-aqueous electrolytic solution, wherein the cathode includes a second lithium-containing compound having an olivine-type crystal structure, a photoelectron spectrum of oxygen 1s obtained by surface analysis of the cathode with the use of X-ray photoelectron spectroscopy includes a third peak
Inventors: Toshio Nishi, Masayuki Ihara, Hideki Nakai, Akinori Kita

Electrolytic solution and battery

06/12/14 - 20140162142 - An electrolytic solution including a solvent including 4,5-difluoro-1,3-dioxolane-2-one. The content of 4,5-difluoro-1,3-dioxolane-2-one is preferably within a range from 5 wt % to 50 wt % In the case where 4,5-difluoro-1,3-dioxolane-2-one is mixed and used with 4-fluoro-1,3-dioxolane-2-one, the content of 4,5-difluoro-1,3-dioxolane-2-one is preferably within a range from 5 vol ppm to
Inventors: Tadahiko Kubota, Hiroyuki Yamaguchi, Masayuki Ihara

Elecrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

01/02/14 - 20140004413 - where X is a divalent group in which m-number of >C═CR2R3 and n-number of >CR4R5 are bonded in any order; m and n satisfy m≧1 and n≧0; each of R1 to R5 is one of a monovalent hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, a halogenated group thereof, a monovalent
Inventors: Masayuki Ihara, Tadahiko Kubota

Electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

12/12/13 - 20130330582 - A secondary battery includes: a cathode; an anode; and an electrolytic solution including a cyano compound, the cyano compound including a compound represented by R1-O—C(═O)—O—R2 (R1, R2, or both include a cyano-group-containing group), a compound represented by R3-C(═O)—O—R4 (R4 includes the cyano-group-containing group), or both.
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

10/17/13 - 20130273406 - A secondary battery includes: a cathode and an anode that are opposed to each other with a separator in between; and an electrolytic solution. The cathode includes a cathode active material layer on a cathode current collector. The anode includes an anode active material layer on an anode current collector.
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery, battery pack, electric vehicle, energy storage system, electric power tool, and electronic unit

08/29/13 - 20130224607 - where X is a divalent group in which m-number of >C═CR1R2 and n-number of >CR3R4 are bonded in any order, R1 to R4 each are a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, or a monovalent halogenated oxygen-containing
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

08/29/13 - 20130224577 - (X is a divalent group in which m-number of >C═CR1R2 and n-number of >CR3R4 are bonded in any order. Each of R1 to R4 is one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, and a monovalent
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

08/29/13 - 20130224563 - (X is a divalent group in which m-number of >C═CR1R2 and n-number of >CR3R4 are bonded in any order. Each of R1 to R4 is one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, and a monovalent
Inventors: Masayuki Ihara, Tadahiko Kubota

Electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

07/11/13 - 20130177799 - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The electrolytic solution includes an unsaturated cyclic ester carbonate and one or more selected from a group configured of aromatic compounds, dinitrile compounds, sulfinyl compounds, and lithium salts.
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

06/27/13 - 20130164630 - where X is a divalent group in which m number of >C═CR1-R1 and n number of >CR3R4 are bonded in any order; each of R1 to R4 is one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group,
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

06/27/13 - 20130164608 - where X is a divalent group in which m-number of >C═CR1-R2 and n-number of >CR3R4 are bonded in any order; each of R1 to R4 is one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, and a
Inventors: Masayuki Ihara, Tadahiko Kubota

Electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic device

04/11/13 - 20130089779 - where each of R1 to R3 is one of a hydrogen group, a halogen group, a cyano group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, and a monovalent halogenated oxygen-containing hydrocarbon group; arbitrary two or more of the R1 to the R3 are
Inventors: Masayuki Ihara, Tadahiko Kubota

Electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic device

04/11/13 - 20130089778 - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The electrolytic solution includes a cyano cyclic ester carbonate represented by Formula (1) described below and one or more of compounds represented by Formula (2) to Formula (6) described below.
Inventors: Masayuki Ihara, Tadahiko Kubota

Electrolytic solution for secondary battery, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic device

03/07/13 - 20130059194 - where Z is one of >C═CR7R8 and >CR9R10; each of R5 to R10 is a hydrogen group or the like; and arbitrary two or more of R5 to R10 are allowed to be bonded with each other.
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery, battery pack, electric vehicle, energy storage system, electric power tool, and electronic unit

03/07/13 - 20130059178 - where R1 and R2 each are a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, an oxygen-containing monovalent hydrocarbon group, or an oxygen-containing monovalent halogenated hydrocarbon group, and R1 and R2 may be bonded to each other.
Inventors: Masayuki Ihara, Tadahiko Kubota

Secondary battery, electrolytic solution, battery pack, electronic device, and electrical vehicle

02/28/13 - 20130052543 - A secondary battery capable of improving cycle characteristics, conservation characteristics, and load characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. A separator provided between the cathode and the anode is impregnated with an electrolytic solution. The electrolytic solution includes one or more of
Inventors: Masayuki Ihara, Yuko Hayakawa, Tadahiko Kubota

Secondary battery, electronic device, electric power tool, electrical vehicle, and electric power storage system

09/27/12 - 20120244410 - A secondary battery capable of suppressing resistance rise even after repeated charge and discharge is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains titanium-containing lithium composite as an anode active material, and the electrolytic solution contains cyclic disulfonic acid anhydride.
Inventors: Atsumichi Kawashima, Hiroshi Imoto, Tomoyuki Shiratsuchi, Takuma Sakamoto, Naoto Ueda, Atsushi Nishimoto, Tadahiko Kubota, Masayuki Ihara

Cathode active material, cathode therewith and nonaqueous electrolyte secondary battery

09/13/12 - 20120231335 - (R1 represents a (a1+b1+c1) valent group and M1 represents a metallic element. a1, d1, e1 and n each represent an integer of 1 or more and b1 and c1 each represent an integer of 0 or more. However, b1 and c1 satisfy (b1+c1)≧1.), a cathode therewith and a non-aqueous electrolyte
Inventors: Koji Morita, Hiroyuki Yamaguchi, Masayuki Ihara, Shunsuke Saito

Cathode active material, its manufacturing method, cathode, its manufacturing method, and secondary battery

09/06/12 - 20120225350 - A secondary battery having a cathode, an anode, and an electrolyte is provided. The cathode includes a cathode active material containing at least one kind selected from the group consisting of sulfur S and phosphorus P in a portion near the particle surface of a lithium composite oxide. A content
Inventors: Masanori Soma, Atsumichi Kawashima, Masayuki Ihara, Hideki Nakai, Kenichi Kawase

Electrolytic solution and battery

08/16/12 - 20120208093 - A secondary battery capable of improving high-temperature characteristics is provided. The secondary battery includes a cathode, an anode and an electrolytic solution. A separator provided between the cathode and the anode is impregnated with the electrolytic solution. A solvent of the electrolytic solution includes a main solvent such as a
Inventors: Masayuki Ihara, Kiyohiko Suzuki, Akinori Kita, Tadahiko Kubota

Lithium ion secondary battery, positive electrode active material, positive electrode, electric tool, electric vehicle, and power storage system

06/28/12 - 20120164533 - wherein, M1 represents at least one selected from among elements of group 13 to group 15 in an extended periodic table of elements excluding boron B, or carbon C, or nitrogen N, M2 represents at least one selected from among elements of group 3 to group 12, and a, b,
Inventors: Masaharu Senoue, Kenichi Kawase, Takakazu Hirose, Masayuki Ihara

Electrolytic solution for secondary battery, secondary battery, electric power tool, electrical vehicle, and electric power storage system

03/08/12 - 20120058401 - A secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution contains chlorine ions together with a nonaqueous solvent and an electrolyte salt. The nonaqueous solvent contains sulfonic acid anhydrides (disulfonic acid anhydride or sulfonic acid carboxylic acid anhydride). A content of the chlorine ions is
Inventors: Masayuki Ihara, Takehiko Tanaka, Tadahiko Kubota

Electrolyte and secondary battery

01/12/12 - 20120009486 - A secondary battery capable of improving cycle characteristics is provided. The secondary battery includes a cathode 21, an anode 22, and an electrolytic solution. A separator 23 provided between the cathode 21 and the anode 22 is impregnated with the electrolytic solution. The electrolytic solution contains a solvent and an
Inventors: Yuko Hayakawa, Tadahiko Kubota, Masayuki Ihara

Secondary battery, electrolytic solution for secondary battery, cyclic polyester, electric power tool, electrical vehicle, and electric power storage system

11/10/11 - 20110274987 - A secondary battery capable of improving the cycle characteristics and the storage characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution containing a nonaqueous solvent and an electrolyte salt. The nonaqueous solvent contains cyclic polyester obtained by dehydrating and condensing two or more divalent
Inventors: Masayuki Ihara, Yuko Hayakawa, Tadahiko Kubota

Secondary battery and electronic device

10/13/11 - 20110250509 - A secondary battery capable of improving battery characteristics is provided. The secondary battery includes a cathode 21 containing a cathode active material capable of inserting and extracting an electrode reactant, an anode 22 containing an anode active material capable of inserting and extracting the electrode reactant, and an electrolyte containing
Inventors: Hiroyuki Yamaguchi, Shunsuke Saito, Toru Odani, Masayuki Ihara, Tadahiko Kubota

Lithium secondary battery, electrolytic solution for lithium secondary battery, electric power tool, electrical vehicle, and electric power storage system

09/22/11 - 20110229769 - A lithium secondary battery capable of obtaining superior cycle characteristics, superior storage characteristics and superior load characteristics is provided. The lithium secondary battery includes a cathode, an anode and an electrolytic solution. The electrolytic solution contains a nonaqueous solvent, a lithium ion, a nitrogen-containing organic anion having an imidazole skeleton,
Inventors: Masayuki Ihara, Tadahiko Kubota

Lithium secondary battery, electrolytic solution for lithium secondary battery, electric power tool, electrical vehicle, and electric power storage system

09/08/11 - 20110214895 - A lithium secondary battery capable of obtaining superior cycle characteristics, superior storage characteristics, and superior load characteristics is provided. The lithium secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution contains a nonaqueous solvent, a lithium ion, at least one of nitrogen-containing organic anion having
Inventors: Masayuki Ihara, Tadahiko Kubota

Nonaqueous electrolyte battery

03/10/11 - 20110059357 - wherein R2 represents CjH2j-kXk; X represents a halogen; j represents an integer of 2 or more and not more than 4; and k represents an integer of 0 or more and not more than 2j.
Inventors: Izaya Okae, Shinya Wakita, Masayuki Ihara

Anode, battery, and methods of manufacturing them

02/03/11 - 20110027647 - A battery including an electrolytic solution. The electrolytic solution including a compound having a sulfonyl group and at least one peak of ions is selected from the group consisting of Li3SO4+, Li3SO3+, Li2SO3+, and Li2SO2+ as a positive secondary ion and LiSO4−, LiSO3−, SO3−, and SO2− as a negative secondary
Inventors: Hideki Nakai, Masayuki Ihara, Hiroyuki Yamaguchi

Secondary battery, anode, cathode, and electrolyte

01/20/11 - 20110014518 - A secondary battery, a cathode, an anode, and an electrolyte are provided. For example, a secondary battery is provided including an anode; a cathode; and an electrolyte, wherein the anode includes an anode active material and a coat including a substance selected from the group consisting of metal barium and
Inventors: Hideki Nakai, Tomoyo Ooyama, Masayuki Ihara, Shunsuke Saito, Shinichi Katayama

Battery

12/16/10 - 20100316908 - wherein a represents an integer of from 0 to 5; b represents an integer of from 0 to 3; each of A and B′ independently represents CnF2n+1; n represents an integer of from 1 to 6; c represents an integer of 1 or more and satisfies a relationship of (a+c=6);

Nonaqueous electrolyte secondary battery

09/02/10 - 20100221604 - R1 represents CmH2m-n1Xn2; X represents a halogen; m represents an integer of from 2 to 7; each of n1 and n2 independently represents an integer of from 0 to 2m; R2 represents CjH2j-k1Zk2; Z represents a halogen; j represents an integer of from 2 to 7; each of k1 and

Battery

08/26/10 - 20100216017 - A battery capable of improving the cycle characteristics even if the thickness of an anode active material layer is increased is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has an anode active material layer on an anode current collector, and the anode active

Electrolyte and secondary battery

08/05/10 - 20100196764 - A secondary battery capable of achieving superior cycle characteristics, superior storage characteristics, and superior swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolyte containing a solvent and an electrolyte salt. The solvent contains halogenated cyclic ester carbonate. The halogenated cyclic ester carbonate is a

Nonaqueous electrolyte secondary battery

08/05/10 - 20100196756 - wherein R1 represents CmH2m-n1Xn2; X represents a halogen; m represents an integer of from 2 to 7; each of n1 and n2 independently represents an integer of from 0 to 2m; R2 represents CjH2j-k1Zk2; Z represents a halogen; j represents an integer of from 2 to 7; and each of

Electrolyte and secondary battery

07/29/10 - 20100190065 - An electrolyte contains a solvent and an electrolyte salt. The solvent contains an organic acid and a sulfone compound in combination. The organic acid has a moiety containing an electron-withdrawing group such as a carbonyl group (—C(═O)—) or a sulfonyl group (—S(═O)2—) in the center and hydroxyl groups (—OH) at

Electrolyte and secondary battery

07/15/10 - 20100178569 - An electrolyte includes a solvent and an electrolyte salt. The solvent contains at least one selected from ester compounds, lithium monofluorophosphate, and lithium difluorophosphate, and at least one selected from anhydrous compounds. The ester compounds are chain compounds having ester moieties, such as (—O—C(═O)—O—R), at both ends. The anhydrous compounds

Battery and electrode

03/25/10 - 20100075233 - wherein R represents a hydrocarbon group which may have an unsaturated bond, a group obtained by halogenating or hydroxylating this hydrocarbon group, or a hydrogen group; R1 and R2 each independently represents an unsaturated bond, a hydrocarbon group which may have N or O, R1 and R2 may be bonded

Battery and electrode

02/11/10 - 20100035161 - wherein R1 represents an n-valent organic group containing a sulfur atom; n represents an integer of from 1 to 4; A represents an anion; M represents a metal ion; and x represents an integer of 1 or more.

Secondary battery

09/17/09 - 20090233180 - A secondary battery capable of improving the cycle characteristics and the storage characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains an anode active material containing a material that is capable of inserting and extracting an electrode reactant and has at

Electrolytic solution and secondary battery

09/17/09 - 20090233179 - A secondary battery capable of improving the cycle characteristics and the storage characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution contains a solvent contains a sulfone compound having a structure in which —S(═O)2—S—C(═O)— bond is introduced to a benzene skeleton and

Secondary battery

09/10/09 - 20090226821 - A secondary battery capable of improving the cycle characteristics while securing the initial charge and discharge characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer containing a plurality of anode active material particles having silicon (Si).

Electrolytic solution and secondary battery

09/10/09 - 20090226819 - A secondary battery is provided and includes a cathode, an anode and an electrolytic solution, in which the anode includes an anode active material layer including a plurality of anode active material particles, the plurality of anode active material particles including silicon as a constituent element. The anode active material

Cathode active material, cathode therewith and nonaqueous electrolyte secondary battery

08/13/09 - 20090202905 - (R1 represents a (a1+b1+c1) valent group and M1 represents a metallic element. a1, d1, e1 and n each represent an integer of 1 or more and b1 and c1 each represent an integer of 0 or more. However, b1 and c1 satisfy (b1+c1)≧1.), a cathode therewith and a non-aqueous electrolyte

Electrolytic solution, secondary battery and method of manufacturing same, and sulfone compound

07/02/09 - 20090169985 - A battery capable of improving the cycle characteristics is provided. The battery includes a cathode and an anode oppositely arranged with a separator in between, and an electrolytic solution. At least one of the cathode, the anode, the separator, and the electrolytic solution contains a sulfone compound having an acid

Anode, battery, and methods of manufacturing them

05/28/09 - 20090136855 - A battery capable of improving the cycle characteristics and the swollenness characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has a coat on an anode active material

Positive-electrode active material for lithium-ion secondary battery, positive electrode, manufacturing method thereof, and lithium-ion secondary battery

05/14/09 - 20090123851 - wherein M represents at least one element selected from the group consisting of boron B, magnesium Mg, aluminum Al, silicon Si, phosphorous P, sulfur S, titanium Ti, chromium Cr, manganese Mn, iron Fe, cobalt Co, nickel Ni, copper Cu, zinc Zn, gallium Ga, yttrium Y, zirconium Zr, molybdenum Mo, silver

Positive electrode for lithium-ion secondary battery, manufacturing method thereof, and lithium-ion secondary battery

05/14/09 - 20090123839 - A positive electrode for a lithium-ion secondary battery includes a positive-electrode mixture layer, which includes a positive-electrode active material containing lithium composite oxide, a conductive material, and a binder, and a current collector. The positive-electrode mixture layer contains a compound including sulfur and/or phosphorous, a first polymer serving as a

Anode and method of manufacturing the same, and secondary battery

04/30/09 - 20090111020 - An anode and a secondary battery capable of improving the charge and discharge efficiency are provided. The anode includes an anode current collector, and an anode active material layer provided on the anode current collector. The anode active material layer has a plurality of anode active material particles containing at

Anode, method of manufacturing same, secondary battery, and method of manufacturing same

03/05/09 - 20090061325 - A secondary battery capable of improving the cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode current collector, an anode active material layer that is provided on the anode current collector, and contains an anode active material containing

Electrolytic solutions and battery

02/26/09 - 20090053612 - A battery capable of improving battery characteristics is provided. The battery includes a cathode, an anode and an electrolytic solution, and a separator arranged between the cathode and the anode is impregnated with the electrolytic solution. The solvent of the electrolytic solution includes a sulfone compound having a sulfonyl fluoride


### Masayuki Ihara patent invention listings

The bibliographic references displayed about Masayuki Ihara's patents are for a recent sample of Masayuki Ihara's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Masayuki Ihara filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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