公开(公告)号：US20160190589A1

公开(公告)日：2016-06-30

申请号：US14697123

申请日：2015-04-27

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO ,  Kenta OOISHI ,  Takao KITAGAWA ,  Masataka OYAMA ,  Satoru OSHITARI ,  Ryuuta YAMAYA

IPC: H01M4/62 ,  H01M4/58 ,  H01M4/04 ,  H01M4/36

CPC classification number: H01M4/62 ,  C01B25/45 ,  H01M4/0471 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/625

Abstract: An electrode material including electrode active material particles and a carbonaceous film layer coating surfaces of the electrode active material particles and including a metal oxide, a content ratio of the metal oxide in the carbonaceous film layer being 5% by mass to 70% by mass. A method for manufacturing an electrode material, in which electrode active material particles, a metal salt or metal alkoxide containing any one or more metal atoms selected from a group consisting of Al, Zr, Si, and Ti, and an organic compound which is a precursor of carbon are mixed so that a total blending amount of the metal salt or metal alkoxide satisfies that an amount of a metal oxide in the carbonaceous film layer when the metal salt or metal alkoxide is all changed to the metal oxide is 5% by mass to 70% by mass, and are heated in a non-oxidative atmosphere.

Abstract translation: 包括电极活性物质粒子的电极材料和电极活性物质粒子的碳膜层被覆表面，并且包含金属氧化物，碳质膜层中的金属氧化物的含有比例为5质量％〜70质量％。 一种电极材料的制造方法，其中电极活性物质颗粒，含有选自Al，Zr，Si和Ti中的一种或多种金属原子的金属盐或金属醇盐，以及作为 将前体碳混合，使得金属盐或金属醇盐的总共混量满足当金属盐或金属醇盐全部改变为金属氧化物时，碳质膜层中的金属氧化物的量为5质量％ 至70质量％，并在非氧化性气氛中加热。

公开(公告)号：US20150194675A1

公开(公告)日：2015-07-09

申请号：US14666935

申请日：2015-03-24

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Hiroyuki MINE ,  Takao KITAGAWA

IPC: H01M4/58 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/36 ,  H01M4/587 ,  H01M4/505

CPC classification number: H01M4/5825 ,  H01M4/0471 ,  H01M4/1397 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028 ,  Y02T10/7011

Abstract: An electrode material, an electrode, and a lithium ion battery in which it is possible to improve not only the amount of gas generated in the battery during charge and discharge but also the deterioration of battery components without reducing the charge and discharge capacity are provided. The electrode material is an electrode material including carbonaceous electrode active material complex particles which include a carbonaceous material on surfaces of electrode active material particles, in which an oxygen content rate in the carbonaceous material is 5.0% by mass or less, and a coating ratio of the carbonaceous material on the surfaces of the carbonaceous electrode active material complex particles is 60% or more.

Abstract translation: 提供了一种电极材料，电极和锂离子电池，其中不仅可以改善充放电期间在电池中产生的气体量，而且可以改善电池组件的劣化而不降低充电和放电容量。 电极材料是含有碳质电极活性物质复合粒子的电极材料，其包含在碳质材料中的氧含量为5.0质量％以下的电极活性物质粒子的表面上的碳质材料， 碳质电极活性物质复合粒子表面的碳质材料为60％以上。

公开(公告)号：US20140322613A1

公开(公告)日：2014-10-30

申请号：US14259197

申请日：2014-04-23

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Takao KITAGAWA ,  Tetsuya NAKABEPPU

IPC: H01M4/36 ,  H01M4/13 ,  H01M10/0525 ,  H01M4/62

CPC classification number: H01M4/366 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/62 ,  H01M4/625

Abstract: An electrode material is provided in which a carbon coating film containing an ion-conductive material is formed on surfaces of electrode-active material particles, and at least a portion of a surface of the ion-conductive material is exposed without being coated with the carbon coating film or the ion-conductive material is surrounded by the carbon coating film.

Abstract translation: 提供一种电极材料，其中在电极活性材料颗粒的表面上形成含有离子传导材料的碳涂膜，并且离子传导材料的至少一部分表面暴露而不涂覆碳 涂膜或离子传导材料被碳涂膜包围。