公开(公告)号：US20140353148A1

公开(公告)日：2014-12-04

申请号：US14368687

申请日：2012-12-25

Applicant: Industrie de Nora S.p.A.

Inventor： Yi Cao ,  Akihiro Kato ,  Kazuhiro Hirao ,  Takashi Furusawa

IPC: C25B11/04 ,  C25B1/02

CPC classification number: C25B11/0473 ,  C25B1/02 ,  C25B1/04 ,  C25B11/0478 ,  Y02E60/366

Abstract: The present invention aims to provide an anode for oxygen generation and a manufacturing method for the same used for industrial electrolyses including manufacturing of electrolytic metal foils such as electrolytic copper foil, aluminum liquid contact and continuously electrogalvanized steel plate, and metal extraction. The present invention features an anode for oxygen generation and a manufacturing method for the same comprising a conductive metal substrate and a catalyst layer containing iridium oxide formed on the conductive metal substrate wherein the coating is baked in a low temperature region of 370° C.-400° C. in an oxidation atmosphere to form the catalyst layer containing amorphous iridium oxide and the catalyst layer containing amorphous iridium oxide is post-baked in a further high temperature region of 520° C.-600° C. in an oxidation atmosphere to crystallize almost all amount of iridium oxide in the catalyst layer.

Abstract translation: 本发明的目的在于提供一种用于产生氧气的阳极及其制造方法，其包括电解铜箔，铝液接触和连续电镀锌钢板等电解金属箔的制造以及金属萃取。 本发明的特征在于用于产生氧气的阳极及其制造方法，其包括导电金属基板和在导电金属基板上形成的含有氧化铱的催化剂层，其中涂层在370℃的低温区域中烘烤， 400℃，形成含有无定形氧化铱的催化剂层，含有无定形氧化铱的催化剂层在氧化气氛中在520℃〜600℃的另外的高温区域进行后烘， 在催化剂层中几乎所有量的氧化铱结晶。

公开(公告)号：US10407784B2

公开(公告)日：2019-09-10

申请号：US15572265

申请日：2016-06-22

Applicant: INDUSTRIE DE NORA S.P.A.

Inventor： Alice Calderara ,  Fabio Timpano ,  Takashi Furusawa

IPC: C25C7/00 ,  C25B1/00 ,  C25B9/00 ,  C25B9/16 ,  C25B11/04 ,  C25C7/02 ,  C25B1/02 ,  C25C1/12

Abstract: An electrode on valve metal substrate suitable for the evolution of oxygen in electrolytic processes is provided with a coating having a catalytic layer containing platinum group metals and one or more protective layers based on tin oxide modified with a doping element selected from bismuth, antimony or tantalum and with a small amount of ruthenium. The electrode is useful in processes of non-ferrous metal electrowinning.

公开(公告)号：US20150075978A1

公开(公告)日：2015-03-19

申请号：US14367309

申请日：2012-12-14

Applicant: INDUSTRIE DE NORA S.P.A.

Inventor： Yi Cao ,  Akihiro Kato ,  Kazuhiro Hitao ,  Takashi Furusawa

IPC: C25B11/04 ,  C25B1/02

CPC classification number: C25B11/0473 ,  C25B1/02 ,  C25B1/04 ,  C25B11/0405 ,  C25B11/0478 ,  C25B11/0484 ,  Y02E60/366

Abstract: The present invention aims to provide a high-load durable anode for oxygen generation and a manufacturing method for the same used for industrial electrolyses including manufacturing of electrolytic metal foils such as electrolytic copper foil, aluminum liquid contact and continuously electrogalvanized steel plate, and metal extraction, having superior durability under high-load electrolysis conditions. The present invention features an anode for oxygen generation and a manufacturing method for the same comprising a conductive metal substrate and a catalyst layer containing iridium oxide formed on the conductive metal substrate wherein the amount of coating of iridium per time for the catalyst layer is 2 g/m2 or more, the coating is baked in a relatively high temperature region of 430 degrees Celsius-480 degrees Celsius to form the catalyst layer containing amorphous iridium oxide and the catalyst layer containing the amorphous iridium oxide is post-baked in a further high temperature region of 520 degrees Celsius-600 degrees Celsius to crystallize almost all amount of iridium oxide in the catalyst layer.

Abstract translation: 本发明的目的在于提供一种用于产生氧气的高负荷耐用阳极及其制造方法，其包括电解铜箔，铝液接触和连续电镀锌钢板等电解金属箔的制造以及金属提取 在高负荷电解条件下具有优异的耐久性。 本发明的特征在于用于产生氧气的阳极及其制造方法，其包括导电金属基板和在导电金属基板上形成的含有氧化铱的催化剂层，其中催化剂层每铱涂层的量为2g / m 2以上，在430摄氏度〜480摄氏度的相对高的温度区域中进行烘烤，形成含有非晶态氧化铱的催化剂层，将含有非晶态氧化铱的催化剂层在更高的温度下进行后烘 520摄氏度至600摄氏度的区域，以使催化剂层中几乎所有量的氧化铱结晶。

公开(公告)号：US20140374249A1

公开(公告)日：2014-12-25

申请号：US14368608

申请日：2012-12-25

Applicant: INDUSTRIE DE NORA S.P.A.

Inventor： Yi Cao ,  Akihiro Kato ,  Kazuhiro Hirao ,  Takashi Furusawa

IPC: C25B11/04 ,  C23C14/32 ,  C25B1/02

CPC classification number: C25B11/0473 ,  C23C14/325 ,  C25B1/02 ,  C25B1/04 ,  C25B11/0431 ,  C25B11/0478 ,  C25B11/0484 ,  Y02E60/366

Abstract: The present invention aims to provide an anode for oxygen generation and a manufacturing method for the same used for industrial electrolyses including manufacturing of electrolytic metal foils such as electrolytic copper foil, aluminum liquid contact and continuously electrogalvanized steel plate, and metal extraction. The present invention features an anode for oxygen generation and a manufacturing method for the same comprising a conductive metal substrate and a catalyst layer containing iridium oxide formed on the conductive metal substrate wherein the coating is baked in a high temperature region of 410° C.-450° C. in an oxidation atmosphere to form the catalyst layer co-existing amorphous and crystalline iridium oxide and the catalyst layer co-existing the amorphous and crystalline iridium oxide is post-baked in a further high temperature region of 520° C.-560° C. in an oxidation atmosphere to crystallize almost all amount of iridium oxide in the catalyst layer.

Abstract translation: 本发明的目的在于提供一种氧气生成用阳极及其制造方法，其包括电解铜箔，铝液接触，连续电镀锌钢板等电解金属箔的制造以及金属萃取。 本发明的特征在于用于产生氧气的阳极及其制造方法，其包括导电金属基底和形成在导电金属基底上的含有氧化铱的催化剂层，其中将该涂层在410℃的高温区域烘烤， 450℃在氧化气氛中形成共存的无定形和结晶氧化铱的催化剂层，共存的无定形和结晶氧化铱的催化剂层在520℃的另一高温区域后烘烤， 560℃，在氧化气氛中结晶几乎所有量的氧化铱在催化剂层中。