公开(公告)号：US20150303430A1

公开(公告)日：2015-10-22

申请号：US14648759

申请日：2013-11-29

Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN

Inventor： Caroline LEVY ,  Nabil NAHAS ,  Yves BOUSSANT-ROUX

IPC: H01M2/16 ,  C04B35/14 ,  H01M2/14

CPC classification number: H01M2/1686 ,  C04B35/14 ,  H01M2/145 ,  H01M2/1646 ,  H01M10/052 ,  H01M10/0525

Abstract: The invention relates to the use of a ceramic-oxide powder for the production of a separator element for a lithium-ion battery, said ceramic-oxide powder having the following chemical composition, in percentages on the basis of the weight of the ceramic oxides, making up a total of 100%: SiO2>85%, Al2O3

Abstract translation: 本发明涉及使用陶瓷氧化物粉末制造锂离子电池用隔膜元件，所述陶瓷氧化物粉末具有以下化学组成，以陶瓷氧化物的重量为基准的百分数， 共计100％：SiO2> 85％，Al2O3 <10％，ZrO2 <10％，其他陶瓷氧化物<5％; 所述陶瓷氧化物粉末的比表面积小于40m 2 / g且大于5m 2 / g; 所述氧化物粉末的球形度指数大于0.8。

公开(公告)号：US20180297036A1

公开(公告)日：2018-10-18

申请号：US15769165

申请日：2016-10-21

Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN

Inventor： Emmanuel NONNET ,  Yves BOUSSANT-ROUX

IPC: B02C17/20 ,  C04B35/49 ,  C04B35/484

Abstract: A bead having a sphericity greater than or equal 0.6 and made of a fused product having the following chemical composition, in percentages by weight on the basis of the oxides and for a total of 100%: 20%≤(ZrO2+HfO2), with HfO2≤2%, 5%≤SiO2, 0%≤Al2O3≤20%, 8.5%≤MgO≤20%, 0.5%≤TiO2≤20%, and oxides other than ZrO2, HfO2, SiO2, Al2O3, MgO and TiO2, or “other oxides”: ≤5% provided that the (ZrO2+HfO2)/SiO2 weight ratio is greater than 1, and provided that Al2O3+TiO2≤26% if MgO>17%.

公开(公告)号：US20180362726A1

公开(公告)日：2018-12-20

申请号：US15736920

申请日：2016-06-16

Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN

Inventor： Nabil NAHAS ,  Elodie BAHON ,  Yves BOUSSANT-ROUX

IPC: C08K3/38 ,  C01B21/064 ,  C08K9/08 ,  C09K5/14

CPC classification number: C08K3/38 ,  C01B21/064 ,  C01B21/0648 ,  C01P2002/76 ,  C01P2004/32 ,  C01P2004/50 ,  C01P2004/60 ,  C01P2006/10 ,  C01P2006/16 ,  C01P2006/80 ,  C01P2006/90 ,  C04B26/04 ,  C04B26/08 ,  C04B26/10 ,  C04B26/32 ,  C04B35/583 ,  C04B35/6261 ,  C04B35/6262 ,  C04B35/6268 ,  C04B35/62695 ,  C04B38/009 ,  C04B2111/00465 ,  C04B2111/00844 ,  C04B2235/386 ,  C04B2235/528 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/608 ,  C04B2235/72 ,  C04B2235/728 ,  C04B2235/767 ,  C08K9/08 ,  C08K2003/385 ,  C08K2201/001 ,  C08K2201/002 ,  C09K5/14 ,  C04B14/327 ,  C04B20/002 ,  C04B2103/0041 ,  C04B38/0054 ,  C04B38/0058

Abstract: A powder essentially composed of aggregates based on boron nitride, the powder exhibiting an overall chemical composition, as percentages by weight, including between 40 and 45% of boron, between 53 and 57% of nitrogen, less than 400 ppm by weight of calcium, less than 5%, in total, of other elements and more than 90% of boron nitride, limit included, as percentage by weight and on the basis of the combined crystalline phases, a mean circularity of greater than or equal to 0.90, a median pore size of less than or equal to 1.5 μm and an apparent porosity of less than or equal to 55%.