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公开(公告)号：US20250042745A1
公开(公告)日：2025-02-06
申请号：US18782416
申请日：2024-07-24
Applicant: NEC Corporation
Inventor： Ryota YUGE
IPC: C01B32/15
Abstract: A nanocarbon generation apparatus includes a cylindrical target that contains carbon and a catalyst, and a laser irradiator configured to irradiate a peripheral surface of the cylindrical target with a laser beam at an incident angle of 50° or more and 80° or less, the incident angle being an angle between the laser beam and a normal line of the peripheral surface in a portion irradiated with the laser beam.
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公开(公告)号：US20210167382A1
公开(公告)日：2021-06-03
申请号：US17167141
申请日：2021-02-04
Applicant: NEC CORPORATION
Inventor： Ryota YUGE , Mitsuharu Tabuchi , Kyousuke Doumae , Hideka Shibuya
IPC: H01M4/525 , C01G53/00 , H01M4/505 , H01M10/0525
Abstract: A lithium-manganese composite oxide containing a lithium-iron-manganese composite oxide represented by the composition formula. Li1+x−w(FeyNizMn1−y−z)1−xO2−δ, where 0
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公开(公告)号：US20190081330A1
公开(公告)日：2019-03-14
申请号：US16085309
申请日：2017-02-28
Applicant: NEC CORPORATION
Inventor： Ryota YUGE
IPC: H01M4/96 , C01B32/18 , H01M10/0525
Abstract: There is provided a planar structural body 1 comprising a fibrous carbon nanohorn aggregate 2 in which a plurality of single-walled carbon nanohorns are aggregated in a fibrous state, and particularly the planar structural body in which a globular carbon nanohorn aggregate 3 is mixed is used. The planar structural body comprising such a fibrous carbon nanohorn aggregate can be used for electrode materials for lithium ion batteries, fuel cells, capacitors, electrochemical actuators, air cells, solar cells, and the like, and can be used also for electromagnetic shields, thermoconductive sheets, heat-dissipating sheets, protecting sheets, filters and absorbing materials.
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公开(公告)号：US20180162735A1
公开(公告)日：2018-06-14
申请号：US15738835
申请日：2016-06-17
Applicant: NEC Corporation
Inventor： Ryota YUGE
CPC classification number: C01B32/18 , C01B32/05 , C01B2202/34 , C01B2202/36 , C01P2004/03 , C01P2004/04 , C01P2006/40 , C08J5/042 , C08K3/044 , C08L21/00 , C08L101/00
Abstract: [Problem] To provide a nanocarbon composite material that is superior in providing electrical conductivity.[Solution] In a nanocarbon composite material 100 in an example embodiment of the present invention, a fibrous carbon nanohorn aggregate 11 of a plurality of single-walled carbon nanohorn aggregates connected fibrously is dispersively formed in a matrix 13.
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公开(公告)号：US20170096338A1
公开(公告)日：2017-04-06
申请号：US15383553
申请日：2016-12-19
Applicant: NEC CORPORATION
Inventor： Ryota YUGE , Masako YUDASAKA
CPC classification number: C01B32/16 , B01J21/18 , B01J23/28 , B01J23/30 , B01J23/40 , B01J23/70 , B01J23/74 , B01J35/0013 , B82Y30/00 , B82Y40/00 , C01B32/15 , C01B32/162 , C01B32/18 , C01B2202/02 , C01B2202/04 , C01B2202/06 , C01B2202/36 , H01J1/304 , H01J9/025 , H01J2201/30453 , H01J2201/30469 , Y10T428/2918
Abstract: An object of the present invention is to provide a nanotube-nanohorn complex having a high aspect ratio, also having high dispersibility, having controlled diameter, and having high durability at a low cost. According to the present invention, a carbon target containing a catalyst is evaporated with a laser ablation method to synthesize a structure including both of a carbon nanohorn aggregate and a carbon nanotube.
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Patent Agency Ranking
公开(公告)号：US20220109076A1
公开(公告)日：2022-04-07
申请号：US17425794
申请日：2020-01-17
Applicant: NEC Corporation
Inventor： Ryota YUGE , Kaoru NARITA , Toma TANAKA
IPC: H01L31/0352 , H01L31/18 , H01L27/146
Abstract: An object of the present invention is to provide an infrared sensor having a high TCR value, and a method for manufacturing the infrared sensor. The infrared sensor comprises a substrate, a first electrode on the substrate, a second electrode spaced from the first electrode on the substrate, and a carbon nanotube layer electrically connected with the first electrode and the second electrode, wherein the carbon nanotube layer comprises semiconducting carbon nanotubes in an amount more than 66% by mass based on the total amount of carbon nanotubes and 60% or more of the carbon nanotubes contained in the carbon nanotube layer have a diameter within a range of 0.6 to 1.5 nm and a length within a range of 100 nm to 5 μm.
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公开(公告)号：US20220102735A1
公开(公告)日：2022-03-31
申请号：US17426115
申请日：2020-01-27
Applicant: NEC Corporation
Inventor： Kazuki IHARA , Takashi MANAKO , Ryota YUGE
Abstract: A nanocarbon material aggregate excellent as a catalyst in an electrochemical reaction can be provided. The present invention relates to a nanocarbon material aggregate, comprising: a fibrous carbon nanohorn aggregate constituted by a plurality of carbon nanohorns including a carbon nanohorn having a hole-opening; and a first particle encapsulated in the carbon nanohorn having a hole-opening and partially exposed to the outside from the carbon nanohorn.
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公开(公告)号：US20210229999A1
公开(公告)日：2021-07-29
申请号：US17059086
申请日：2018-05-29
Applicant: NEC Corporation
Inventor： Ryota YUGE
Abstract: The present invention addresses the problem of providing a method for producing a fibrous carbon nanohorn aggregate with higher efficiency. According to one embodiment of the present invention, a method for producing a carbon nanohorn aggregate comprising a fibrous carbon nanohorn aggregate, is provided, which includes a step (a) of fixing the end of a rod-shaped carbon target to a fixing jig, and a step (b) of irradiating the rod-shaped carbon target with a laser light, and moving the irradiation position of the laser light in the longitudinal direction of the rod-shaped carbon target without rotating the rod-shaped carbon target.
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9.发明申请公开(公告)号：US20180069236A1
公开(公告)日：2018-03-08
申请号：US15551853
申请日：2016-02-09
Applicant: NEC Corporation , Tanaka Chemical Corporation
Inventor： Ryota YUGE , Noriyuki TAMURA , Sadanori HATTORI , Mitsuharu TABUCHI , Kentaro KURATANI , Kyousuke DOUMAE , Hideka SHIBUYA
CPC classification number: H01M4/366 , C01F17/0043 , C01G53/44 , C01G53/50 , C01P2002/70 , C01P2004/03 , C01P2004/84 , C01P2006/40 , H01M4/483 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M2004/027 , H01M2004/028 , Y02T10/7011
Abstract: There is provided a lithium-iron-manganese-based composite oxide capable of providing a lithium-ion secondary battery which has a high capacity retention rate in charge/discharge cycles and in which the generation of a gas caused by charge/discharge cycles is suppressed. A lithium-iron-manganese-based composite oxide having a layered rock-salt structure, wherein at least a part of the surface of a lithium-iron-manganese-based composite oxide represented by the following formula is coated with an oxide of at least one metal selected from the group consisting of La, Pr, Nd, Sm and Eu: LixM1(y-p)MnpM2(z-q)FeqO(2-δ) wherein 1.05≦x≦1.32, 0.33≦y≦0.63, 0.06≦z≦0.50, 0
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公开(公告)号：US20160276671A1
公开(公告)日：2016-09-22
申请号：US15171975
申请日：2016-06-02
Applicant: NEC Corporation
Inventor： Ryota YUGE , Noriyuki TAMURA
IPC: H01M4/62 , H01M4/38 , H01M4/587 , H01M10/0525 , H01M4/36
CPC classification number: H01M4/625 , H01M4/0402 , H01M4/13 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/139 , H01M4/362 , H01M4/366 , H01M4/386 , H01M4/587 , H01M10/0525 , H01M2004/027 , H01M2220/20 , H01M2220/30
Abstract: It is an object of an exemplary embodiment of the present invention to provide a negative electrode active material having excellent rate characteristics and cycle characteristics. One embodiment according to the present invention is a negative electrode active material comprising a carbon-containing composite, wherein, in the carbon-containing composite, an active material capable of intercalating and deintercalating lithium, conductive nanofibers and conductive carbon particles are coated with a carbon material and are integrated.
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