公开(公告)号：US20190181424A1

公开(公告)日：2019-06-13

申请号：US16301004

申请日：2016-05-12

Applicant: ELIIY Power Co., Ltd.

Inventor： Tomitaro HARA ,  Yusuke KUZUSHIMA

IPC: H01M4/133 ,  H01M10/0525 ,  H01M4/583 ,  H01M4/66 ,  H01M4/131 ,  H01M10/0569

Abstract: The present invention provides a positive electrode for non-aqueous electrolyte secondary battery, having novel overcharge protection functions. The present invention provides a positive electrode for non-aqueous electrolyte secondary battery, comprising a carbon layer and a positive-electrode active material layer provided on the carbon layer, wherein the carbon layer includes graphitizable carbon.

公开(公告)号：US20190288275A1

公开(公告)日：2019-09-19

申请号：US16300674

申请日：2016-05-12

Applicant: ELIIY Power Co., Ltd.

Inventor： Tomitaro HARA ,  Takao FUKUNAGA ,  Yusuke KUZUSHIMA

IPC: H01M4/133 ,  H01M4/136 ,  H01M10/0525 ,  H01M10/0563

Abstract: The present invention provides a positive electrode for non-aqueous electrolyte secondary battery, having a novel overcharge protective function. The positive electrode for non-aqueous electrolyte secondary battery according to the present invention includes a positive electrode active material layer including a plurality of positive electrode active material particles, wherein the positive electrode active material layer comprises: a carbonaceous coating film formed on a surface of each of the positive electrode active material particles; and 0% by weight or more and 20% by weight or less of a conductive auxiliary agent disposed between the plurality of positive electrode active material particles, and at least one of the carbonaceous coating film and the conductive auxiliary agent is graphitizable carbon.

公开(公告)号：US20170244096A1

公开(公告)日：2017-08-24

申请号：US15330796

申请日：2015-04-16

Applicant: ELIIY Power Co., Ltd.

Inventor： Yusuke KUZUSHIMA ,  Tomitaro HARA

IPC: H01M4/136 ,  H01M10/0583 ,  H01M4/58 ,  H01M10/0562 ,  H01M4/583 ,  H01M4/04 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/62

CPC classification number: H01M4/136 ,  H01M4/0404 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/583 ,  H01M4/623 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0569 ,  H01M10/0583 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2300/002 ,  H01M2300/0034 ,  H01M2300/0037 ,  Y02T10/7011

Abstract: A positive electrode for a nonaqueous electrolyte secondary battery according to the present invention is provided with a porous positive electrode active material layer that contains a positive electrode active material. The positive electrode active material layer is formed so that a logarithmic differential pore volume distribution curve thereof, which shows the relation between pore diameter and pore volume of pores in the positive electrode active material layer, is a single-peak type curve. The distribution curve has a main peak having a full width at half maximum of from 0.001 μm to 0.05 μm inclusive, and the sum of the pore volumes of the pores within a pore diameter range corresponding to the full width at half maximum is 70% or more of the total pore volume.

公开(公告)号：US20180151880A1

公开(公告)日：2018-05-31

申请号：US15570418

申请日：2015-05-01

Applicant: ELIIY Power Co., Ltd.

Inventor： Yusuke KUZUSHIMA ,  Tomitaro HARA

IPC: H01M4/525 ,  H01M10/48 ,  H01M4/583 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M4/525 ,  H01M4/13 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/583 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/488 ,  H01M2004/028

Abstract: A positive electrode active material for a non-aqueous electrolyte secondary battery according to the present invention is characterized by including positive electrode active material particles, and a carbonaceous coating film formed on the surface of the positive electrode active material particle and including a plurality of carbon hexagonal network planes, wherein the carbonaceous coating film is formed so that a Raman spectrum, in which a ratio ID/IG between a peak intensity ID of the D band and a peak intensity IG of the G band is 0.9 or lower and the full width at half maximum of the peak of the G band is 80 cm−1 or smaller, is measured.