公开(公告)号：US5810981A

公开(公告)日：1998-09-22

申请号：US613990

申请日：1996-03-08

申请人： Norikazu Komada ,  Mitsugu Matsumoto ,  Shinichiro Kakehashi ,  Yoshitaka Tamo ,  Chris N. Christodoulou

发明人： Norikazu Komada ,  Mitsugu Matsumoto ,  Shinichiro Kakehashi ,  Yoshitaka Tamo ,  Chris N. Christodoulou

IPC分类号： C01B3/00 ,  C22C30/00 ,  H01M4/38

CPC分类号： C01B3/0057 ,  C01B3/0063 ,  C01B3/0078 ,  C22C30/00 ,  H01M4/383 ,  Y02E60/327 ,  Y10S420/90

摘要： There is provided a hydrogen occluding alloy exhibiting high absorption and desorption speeds. A hydrogen occluding alloy comprising as an overall composition: 25 to 45 weight % Zr+Hf, wherein the Hf comprises not more than 4%, 1 to 15 weight % Ti, 10 to 20 weight % Mn, 2 to 12 weight % V, 0.6 to 5 weight % rare earth elements, and a balance Ni (of which content is not less than 25 weight %) and unavoidable impurities, and basically having a three-phase structure consisting of: a net-shaped continuous phase which is made of a Ni--Zr type alloy, a main phase (in the net-shaped continuous phase) made of a Zr--Ni--Mn based alloy, and a dispersed granular phase made of a rare earth elements-Ni type alloy distributed along the net-shaped continuous phase.

摘要翻译： 提供了具有高吸收和解吸速度的吸氢合金。 一种吸氢合金，其总体组成为：25〜45重量％的Zr + Hf，其中，Hf为4重量％以下，Ti为1〜15重量％，10重量％〜20重量％的Mn，2〜12重量％ 0.6〜5重量％的稀土元素，余量为Ni（含量不小于25重量％）和不可避免的杂质，基本上具有三相结构：网状连续相，其由 Ni-Zr型合金，由Zr-Ni-Mn系合金构成的主相（网状连续相），以及分布在沿网状结构分布的稀土元素-Ni型合金的分散粒状相， 形连续相。

公开(公告)号：US5951945A

公开(公告)日：1999-09-14

申请号：US648854

申请日：1996-05-16

申请人： Norikazu Komada ,  Mitsugu Matsumoto ,  Shinichiro Kakehashi ,  Yoshitaka Tamo

发明人： Norikazu Komada ,  Mitsugu Matsumoto ,  Shinichiro Kakehashi ,  Yoshitaka Tamo

IPC分类号： C01B3/00 ,  H01M4/38 ,  C22C19/03

CPC分类号： H01M4/383 ,  C01B3/0031 ,  C01B3/0057 ,  C01B3/0078 ,  Y02E60/327 ,  Y02P20/129 ,  Y10S75/954 ,  Y10S75/956

摘要： There is provided a hydrogen occluding alloy exhibiting high absorption and desorption speeds. A hydrogen occluding alloy comprising as an overall composition: 25 to 45 weight % Zr+Hf, wherein the Hf comprises not more than 4%, 1 to 12 weight % Ti, 10 to 20 weight % Mn, 2 to 12 weight % V, 0.6 to 5 weight % rare earth elements, and a balance Ni (of which content is not less than 25 weight %) and unavoidable impurities, and basically having a three-phase structure consisting of: a main phase which constitutes the matrix of the alloy and which is made of a Zr--Ni--Mn based alloy, a dispersed granular phase made of a rare earth elements--Ni type alloy distributed along the grain boundary of the main phase, and a flaky phase which is made of a Ni--Zr type alloy attached to the dispersed granular phase and intermittently distributed along the grain boundary mentioned above.

摘要翻译： 提供了具有高吸收和解吸速度的吸氢合金。 一种吸氢合金，其包含总重量为25〜45重量％的Zr + Hf，其中Hf包括不超过4％，1至12重量％的Ti，10至20重量％的Mn，2至12重量％的V， 0.6〜5重量％的稀土元素，余量为Ni（含量不小于25重量％）和不可避免的杂质，并且基本上具有三相结构：构成合金基体的主相 由Zr-Ni-Mn系合金构成的分散粒状相，分散在由主相的晶界分布的稀土元素-Ni型合金和由Ni-Zr构成的片状相 附着在分散粒状相上并沿上述晶粒间断分布。

公开(公告)号：US5885378A

公开(公告)日：1999-03-23

申请号：US678048

申请日：1996-07-10

申请人： Norikazu Komada ,  Mitsugu Matsumoto ,  Shinichiro Kakehashi ,  Yoshitaka Tamo

发明人： Norikazu Komada ,  Mitsugu Matsumoto ,  Shinichiro Kakehashi ,  Yoshitaka Tamo

IPC分类号： H01M4/38 ,  C01B6/24 ,  C22C30/00

CPC分类号： H01M4/383 ,  Y10S420/90

摘要： This invention provides a hydrogen occluding alloy having a composition comprising, by wt %, 25% to 45% of Zr, 1% to 12% of Ti, 10% to 20% of Mn, 2% to 12% of V, 0.5% to 5% of at least one rare earth element, optionally 0.1% to 4% of Hf, one or more selected from hydrogen, hydrogen+oxygen, and oxygen, and a balance being Ni (25% or more of Ni) and unavoidable impurities, having a structure comprising: a phase made of a hydrogenated-product, dispersedly distributed in a matrix phase made of a Zr--Ni--Mn based alloy. The hydrogenated-product mainly comprises a rare earth element-Ni type alloy and a rare earth element hydride with numerous cracks formed at the time when the hydrogenated-product phase is generated. The hydrogenated-product phase is formed by exposing a hydrogen-containing substance on the surfaces of the cracks. Electrodes made of the alloy are disclosed.

摘要翻译： 本发明提供一种组合物，该组合物包含Zr的25〜45％，Ti为1〜12％，Mn为10〜20％，V为2〜12％，V为0.5％ 至少一种稀土元素的5％，任选的0.1％至4％的Hf，一种或多种选自氢，氢+氧和氧，余量为Ni（25％或更多的Ni）和不可避免的杂质 具有以下结构：由氢化物制成的相，分散在由Zr-Ni-Mn系合金构成的基体相中。 氢化产物主要包括稀土元素-Ni型合金和在生成氢化产物相时形成许多裂纹的稀土元素氢化物。 氢化产物相通过在裂纹的表面上暴露含氢物质而形成。 公开了由合金制成的电极。

公开(公告)号：US5932369A

公开(公告)日：1999-08-03

申请号：US779959

申请日：1996-12-23

申请人： Norikazu Komada ,  Shinichiro Kakehashi ,  Mitsugu Matsumoto ,  Yoshitaka Tamo

发明人： Norikazu Komada ,  Shinichiro Kakehashi ,  Mitsugu Matsumoto ,  Yoshitaka Tamo

IPC分类号： H01M4/38

CPC分类号： H01M4/383 ,  Y10S420/90

摘要： This invention provides a hydrogen occluding alloy exhibiting high absorption/desorption rates, and excellent initial activation, the alloy having a composition comprising, by wt %, 25% to 45% of Zr, 1% to 12% of Ti, 10% to 20 % of Mn, 2% to 12% of V, 0.5% to 5% of at least one rare earth element, preferably comprising La and/or Ce, optionally 0.1% to 4% of Hf, and a balance being Ni (25% or more of Ni) and unavoidable impurities. The alloy has a structure comprising: a main phase made of a Zr--Ni--Mn based alloy, numerous cracks, and a regenerated phase made of rare earth element-Ni type alloy, the regenerated phase being exposed on the surfaces of the cracks, as well as electrodes made of the alloy.

摘要翻译： 本发明提供一种表现出高吸收/脱附速率和优异的初始活化的吸氢合金，该合金具有以重量计包含Zr的25％-45％，1％至12％的Ti，10％至20％ 的Mn，2〜12％的V，0.5〜5％的至少一种稀土元素，优选包含La和/或Ce，任选0.1〜4％的Hf，余量为Ni（25％ 以上的Ni）和不可避免的杂质。 该合金具有以下结构：由Zr-Ni-Mn系合金制成的主相，多个裂纹，以及由稀土元素-Ni型合金制成的再生相，再生相暴露在裂纹的表面， 以及由合金制成的电极。