公开(公告)号：US20090136812A1

公开(公告)日：2009-05-28

申请号：US11990342

申请日：2006-08-10

申请人： Norimichi Yonesato ,  Hiroyuki Toya ,  Kazuomi Ryoshi ,  Tai Ito ,  Shoji Futaki

发明人： Norimichi Yonesato ,  Hiroyuki Toya ,  Kazuomi Ryoshi ,  Tai Ito ,  Shoji Futaki

IPC分类号： H01M4/02 ,  H01B1/02

CPC分类号： C01G53/00 ,  C01P2002/32 ,  C01P2002/52 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/32 ,  C01P2006/40 ,  C01P2006/80 ,  H01M4/8652 ,  H01M4/8875 ,  H01M4/8885 ,  H01M4/9016 ,  H01M4/9025 ,  H01M4/9033 ,  H01M2004/8684 ,  H01M2008/1293

摘要： This invention provides a nickel oxide powder material, a production process thereof with high efficiency, a raw material composition for use in the same, and an anode material using the nickel oxide powder material. The nickel oxide powder material, when used as an anode material for a solid oxide fuel cell, can reduce heat shrinkage percentage in calcination to reduce a shrinkage difference from other component, and can suppress the occurrence of cracking, delamination, warpage and the like during calcining. Also in power generation after re-reduction after exposure of the anode once to an oxidizing atmosphere, for example, due to the disruption of the fuel supply, deterioration of microstructure of the anode can be suppressed, and the voltage drop percentage of the cell can be reduced. The nickel oxide powder material is used in an anode material constituting a solid oxide fuel cell and is characterized in that spinel compound represented by compositional formula: NiM2O4 wherein M represents a metal element is formed inside or on the surface of the nickel oxide powder or at the interface between the powder particles.

摘要翻译： 本发明提供一种氧化镍粉末材料，其高效率的制造方法，使用该氧化镍粉末材料的原料组合物和使用该氧化镍粉末材料的负极材料。 当用作固体氧化物燃料电池的负极材料时，氧化镍粉末材料可以降低煅烧时的热收缩率，以减少与其它组分的收缩差异，并且可以抑制在其中发生开裂，分层，翘曲等现象 煅烧 另外，在将阳极曝光一次至氧化气氛后的再还原后的发电中，例如由于燃料供给的破坏，能够抑制阳极的组织的劣化，电池的电压下降百分比 减少 氧化镍粉末材料用于构成固体氧化物燃料电池的负极材料中，其特征在于，其中M表示金属元素的组成式：NiM 2 O 4表示的尖晶石化合物形成在氧化镍粉末的表面内或表面上，或者在 粉末颗粒之间的界面。

公开(公告)号：US08288053B2

公开(公告)日：2012-10-16

申请号：US11990342

申请日：2006-08-10

申请人： Norimichi Yonesato ,  Hiroyuki Toya ,  Kazuomi Ryoshi ,  Tai Ito ,  Shoji Futaki

发明人： Norimichi Yonesato ,  Hiroyuki Toya ,  Kazuomi Ryoshi ,  Tai Ito ,  Shoji Futaki

IPC分类号： H01M4/02 ,  H01B1/02

CPC分类号： C01G53/00 ,  C01P2002/32 ,  C01P2002/52 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/32 ,  C01P2006/40 ,  C01P2006/80 ,  H01M4/8652 ,  H01M4/8875 ,  H01M4/8885 ,  H01M4/9016 ,  H01M4/9025 ,  H01M4/9033 ,  H01M2004/8684 ,  H01M2008/1293

摘要： This invention provides a nickel oxide powder material, a production process thereof with high efficiency, a raw material composition for use in the same, and an anode material using the nickel oxide powder material. The nickel oxide powder material, when used as an anode material for a solid oxide fuel cell, can reduce heat shrinkage percentage in calcination to reduce a shrinkage difference from other component, and can suppress the occurrence of cracking, delamination, warpage and the like during calcining. Also in power generation after re-reduction after exposure of the anode once to an oxidizing atmosphere, for example, due to the disruption of the fuel supply, deterioration of microstructure of the anode can be suppressed, and the voltage drop percentage of the cell can be reduced. The nickel oxide powder material is used in an anode material constituting a solid oxide fuel cell and is characterized in that spinel compound represented by compositional formula: NiM2O4 wherein M represents a metal element is formed inside or on the surface of the nickel oxide powder or at the interface between the powder particles.

摘要翻译： 本发明提供一种氧化镍粉末材料，其高效率的制造方法，使用该氧化镍粉末材料的原料组合物和使用该氧化镍粉末材料的负极材料。 当用作固体氧化物燃料电池的负极材料时，氧化镍粉末材料可以降低煅烧时的热收缩率，以减少与其它组分的收缩差异，并且可以抑制在其中发生开裂，分层，翘曲等现象 煅烧 另外，在将阳极曝光一次至氧化气氛后的再还原后的发电中，例如由于燃料供给的破坏，能够抑制阳极的组织的劣化，电池的电压下降百分比 减少 氧化镍粉末材料用于构成固体氧化物燃料电池的负极材料中，其特征在于，其中M表示金属元素的组成式：NiM 2 O 4表示的尖晶石化合物形成在氧化镍粉末的表面内或表面上，或者在 粉末颗粒之间的界面。

公开(公告)号：US20140255697A1

公开(公告)日：2014-09-11

申请号：US14237418

申请日：2012-08-06

申请人： Norimichi Yonesato ,  Tai Ito

发明人： Norimichi Yonesato ,  Tai Ito

IPC分类号： C01G53/04

CPC分类号： C01G53/04 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/80 ,  Y10T428/2982

摘要： Nickel hydroxide obtained by neutralizing an aqueous nickel sulfate solution with an alkali is heat-treated in a non-reducing atmosphere at a temperature higher than 850° C. but lower than 1050° C. to form nickel oxide particles, and a sintered compact of nickel oxide particles that may be formed during the heat treatment is pulverized by preferably allowing the nickel oxide particles to collide with one another. The thus obtained nickel oxide fine powder has a sulfur content of 400 mass ppm or less, a chlorine content of 50 mass ppm or less, a sodium content of 100 mass ppm or less, and a specific surface area of 3 m2/g or more but less than 6 m2/g.

摘要翻译： 通过用碱中和硫酸镍水溶液获得的氢氧化镍在非还原气氛中在高于850℃但低于1050℃的温度下进行热处理，以形成氧化镍颗粒，并将烧结体 通过优选使氧化镍粒子彼此碰撞，可以在热处理期间形成的氧化镍粒子被粉碎。 由此获得的氧化镍细粉末的硫含量为400质量ppm以下，氯含量为50质量ppm以下，钠含量为100质量ppm以下，比表面积为3m 2 / g以上 但小于6平方米/克。

公开(公告)号：US09790099B2

公开(公告)日：2017-10-17

申请号：US14237418

申请日：2012-08-06

申请人： Norimichi Yonesato ,  Tai Ito

发明人： Norimichi Yonesato ,  Tai Ito

IPC分类号： C01G53/04

CPC分类号： C01G53/04 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/80 ,  Y10T428/2982

摘要： Nickel hydroxide obtained by neutralizing an aqueous nickel sulfate solution with an alkali is heat-treated in a non-reducing atmosphere at a temperature higher than 850° C. but lower than 1050° C. to form nickel oxide particles, and a sintered compact of nickel oxide particles that may be formed during the heat treatment is pulverized by preferably allowing the nickel oxide particles to collide with one another. The thus obtained nickel oxide fine powder has a sulfur content of 400 mass ppm or less, a chlorine content of 50 mass ppm or less, a sodium content of 100 mass ppm or less, and a specific surface area of 3 m2/g or more but less than 6 m2/g.