公开(公告)号：US20190393503A1

公开(公告)日：2019-12-26

申请号：US16449455

申请日：2019-06-24

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Yoshihito TAKANO ,  Masakazu KONDO ,  Hirotsuna YAMADA

IPC: H01M4/583 ,  H01M4/134 ,  H01M4/36 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525

Abstract: A material for a negative electrode active material having capability of achieving excellent cycle performance while maintaining satisfactory initial efficiency (initial capacity), a production method for the material, a composition for a negative electrode, using the material, a negative electrode, and a secondary battery. A core-shell structure that includes the following components (A) and (B), and satisfies the following conditions (i) and (ii): (A): a core containing at least Si (silicon), O (oxygen) and C (carbon) as a constituent element, and containing crystalline carbon and non-crystalline carbon as a constituent; and (B): a shell involving the core, and including a SiOC structure having a graphene layer, and (i): having an atomic composition represented by formula SiOxCy (0.5

公开(公告)号：US20150307467A1

公开(公告)日：2015-10-29

申请号：US14647825

申请日：2013-11-28

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Hirotsuna YAMADA ,  Sakae KAWAMURA

IPC: C07D303/16 ,  C07D301/14

CPC classification number: C07D303/16 ,  C07D301/14 ,  C07D303/14 ,  C07D303/17

Abstract: A novel compound useful as a raw material for a resist material is described. A norbornene derivative having epoxy and a methylene-mediated reactive group in a norbornane skeleton is represented by the following formula. In the formula, R1 represents a hydrogen atom, acryloyl, methacryloyl or hydroxymethylacryloyl, and R2 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.

Abstract translation: 描述了可用作抗蚀剂材料的原料的新型化合物。 在降冰片烷骨架中具有环氧基和亚甲基介导的反应性基团的降冰片烯衍生物由下式表示。 在该式中，R 1表示氢原子，丙烯酰基，甲基丙烯酰基或羟甲基丙烯酰基，R 2表示氢原子或碳原子数为1〜4的烷基。

公开(公告)号：US20200280057A1

公开(公告)日：2020-09-03

申请号：US16802593

申请日：2020-02-27

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Hirotsuna YAMADA ,  Miwako NISHIMURA ,  Masakazu KONDO ,  Soichiro SATO

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/48 ,  H01M4/38 ,  H01M4/60

Abstract: There are provided a material for a negative electrode active material exhibiting a favorable capacity retention rate and Coulomb efficiency, a method of producing the material, a negative electrode composition using the material, a negative electrode, and a secondary battery. A SiOC structure, includes (A) at least one silicon-based fine particles; and (B) a SiOC coating layer containing at least Si (silicon), O (oxygen), and C (carbon) as constituent elements, wherein the at least one silicon-based fine particles are covered with the SiOC coating layer, and the average particle size based on a volume-based particle size distribution is in a range of 1 nm to 999 μm.

公开(公告)号：US20190207217A1

公开(公告)日：2019-07-04

申请号：US16232085

申请日：2018-12-26

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Soichiro SATO ,  Yoshihito TAKANO ,  Hirotsuna YAMADA ,  Keiichiro KANAO ,  Miwako NISHIMURA ,  Tetsuro KIZAKI

IPC: H01M4/583

Abstract: A composition for a secondary battery negative electrode including a carbonaceous material (a) and a silicon oxide structure (b), wherein the silicon oxide structure (b) includes a silicon oxide framework containing Si and O in its atomic composition and silicon-based nanoparticles that are chemically bonded to the silicon oxide framework as components, wherein the silicon oxide structure (b) is contained in a proportion of 15 mass % or more with respect to a total amount of the carbonaceous material (a) and the silicon oxide structure (b), and wherein the silicon oxide structure (b) satisfies the following conditions (i) to (iii): (i) having an atomic composition represented by a general formula SiOx2Hy2 (0.3

公开(公告)号：US20190152787A1

公开(公告)日：2019-05-23

申请号：US16313866

申请日：2017-01-11

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Yoshihito TAKANO ,  Tetsuro KIZAKI ,  Hirotsuna YAMADA ,  Masakazu KONDO ,  Akira TAKAHASHI

IPC: C01B33/02 ,  H01M4/58 ,  H01M10/0525 ,  H01M4/38

Abstract: A silicon nanoparticle-containing hydrogen polysilsesquioxane calcined product to be covered by the invention, represented by general formula SiOx2Hy2(0.3