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1. 发明授权

US4849312A Hydrogen storage alloy electrode and method for preparing the same 失效
标题翻译：储氢合金电极及其制备方法
公开(公告)号：US4849312A
公开(公告)日：1989-07-18
申请号：US171815
申请日：1988-03-22
申请人： Kiyoshi Mitsuyasu , Motoya Kanda , Kazuta Takeno , Kenichi Kochiwa
发明人： Kiyoshi Mitsuyasu , Motoya Kanda , Kazuta Takeno , Kenichi Kochiwa
IPC分类号： H01M4/24 , H01M4/62
CPC分类号： H01M4/621 , H01M4/242 , Y10T29/49115
摘要： Disclosed is a hydrogen storage alloy electrode prepared by integrating a mixture of a hydrogen storage alloy powder, an electrical conducting powder and a polymer binder with a current collector, characterized in that the polymer binder is composed of a polyacrylic acid salt and polytetrafluoroethylene as essential components, and that the hydrogen storage alloy powder is coated with polyacrylic acid salt, wherein the three-dimensional reticulate molecular chain of the polyacrylic acid salt itself is partially severed. Disclosed also is a method of preparing a hydrogen storage alloy electrode which comprises the steps of preparing a paste of a mixture containing hydrogen storage alloy powder, electrical conducting powder and a polymer binder, coating a current collector with the paste, drying it and pressure molding the current collector coated with the paste, the method being characterized in that at least a polyacrylic acid salt and polytetrafluoroethylene are used as the polymer binder, and after the paste is stirred at a high speed, the current collector is coated with the paste.
摘要翻译：公开了通过将储氢合金粉末，导电粉末和聚合物粘合剂的混合物与集电体结合而制备的储氢合金电极，其特征在于，聚合物粘合剂由聚丙烯酸盐和聚四氟乙烯作为必要成分并且储存合金粉末涂覆有聚丙烯酸盐，其中聚丙烯酸盐本身的三维网状分子链部分地被切断。还公开了一种制备储氢合金电极的方法，包括以下步骤：制备含有储氢合金粉末，导电粉末和聚合物粘合剂的混合物的糊料，用该糊剂涂覆集流体，将其干燥并加压成型所述集电体涂覆有所述糊料，所述方法的特征在于，至少使用聚丙烯酸盐和聚四氟乙烯作为所述聚合物粘合剂，并且在所述糊料高速搅拌之后，所述集电体涂覆有所述糊料。

2. 发明授权

US5032475A Nickel-metal hydride secondary cell 失效
标题翻译：镍氢二次电池
公开(公告)号：US5032475A
公开(公告)日：1991-07-16
申请号：US584115
申请日：1990-09-18
申请人： Hiroyuki Hasebe , Kazuta Takeno , Kiyoshi Mitsuyasu , Yuji Sato , Hiroyuki Takahashi , Hirotaka Hayashida , Ichirou Sawatari , Koji Ishiwa , Katuyuki Hata , Kazuhiro Yoshida , Kunihiko Sasaki
发明人： Hiroyuki Hasebe , Kazuta Takeno , Kiyoshi Mitsuyasu , Yuji Sato , Hiroyuki Takahashi , Hirotaka Hayashida , Ichirou Sawatari , Koji Ishiwa , Katuyuki Hata , Kazuhiro Yoshida , Kunihiko Sasaki
IPC分类号： H01M4/52 , H01M4/62 , H01M10/34
CPC分类号： H01M4/52 , H01M10/345 , H01M4/624 , H01M4/625
摘要： A nickel-metal hydride secondary cell comprising a non-sinter type nickel positive electrode accommodated in an enclosure and comprised of a conductive core and a layer formed on the conductive core, the layer made of a mixture of nickel hydroxide power and cobalt monoxide powder covered with a layer of high-valence cobalt oxide, a hydrogen absorbing alloy negative electrode accommodated in the enclosure and comprised of a conductive core and a layer formed on the conductive core and made of a mixture hydrogen absorbing alloy powder and carbon black having a specific surface area of 700 m.sup.2 /g or more, and having a capacity 1.0 to 2.5 times the sum of the capacity of the nickel hydroxide contained in the positive electrode and the electricity required to oxidize the cobalt monoxide powder, a separator made of synthetic resin unwoven fabric having a texture size of 50 to 100 g/m.sup.2 and a thickness of 0.1 to 0.25 mm, and located between the positive electrode and the negative electrode, and alkali electrolyte contained in the enclosure.

3. 发明授权

US4621034A Sealed metal oxide-hydrogen storage cell 失效
标题翻译：密封金属氧化物 - 储氢电池
公开(公告)号：US4621034A
公开(公告)日：1986-11-04
申请号：US759310
申请日：1985-07-26
申请人： Motoya Kanda , Yuji Sato , Eriko Shincho , Kiyoshi Mitsuyasu
发明人： Motoya Kanda , Yuji Sato , Eriko Shincho , Kiyoshi Mitsuyasu
IPC分类号： H01M4/38 , H01M10/34 , H01M10/44 , H01M12/06
CPC分类号： H01M4/383 , H01M10/345 , H01M10/44 , Y10T29/49108
摘要： Disclosed is a method of producing a sealed metal oxide-hydrogen storage cell, comprising the step of housing in a container a cathode containing a metal oxide as an active material, an anode containing a hydrogen storage alloy as the main component, a separator for separating the cathode and the anode, a pre-charging member, and an electrolyte solution consisting of an alkaline aqueous solution. The pre-charging member is electrically combined with the anode and consists of a metal having a less noble potential than the hydrogen electrode potential within the alkaline solution. A material containing said metal as the main component may also be used as the pre-charging member. The storage cell has a desired anode-cathode capacity balance and exhibits a long life.
摘要翻译：公开了一种密封金属氧化物 - 储氢室的制造方法，其特征在于，在容器内容纳含作为活性物质的金属氧化物的阴极，含有储氢合金作为主要成分的阳极，分离用隔膜阴极和阳极，预充电构件和由碱性水溶液组成的电解质溶液。预充电元件与阳极电气组合，并且由碱性溶液中的氢电极电位具有较低电位的金属组成。包含所述金属作为主要成分的材料也可以用作预充电元件。存储单元具有期望的阳极 - 阴极容量平衡并且具有长的使用寿命。

4. 发明授权

US5053292A Nickel-metal hydride secondary cell 失效
标题翻译：镍金属氢化物二次电池
公开(公告)号：US5053292A
公开(公告)日：1991-10-01
申请号：US584107
申请日：1990-09-18
申请人： Hiroyuki Hasebe , Kazuta Takeno , Yuji Sato , Hiroyuki Takahashi , Hirotaka Hayashida , Kiyoshi Mitsuyasu , Ichirou Sawatari
发明人： Hiroyuki Hasebe , Kazuta Takeno , Yuji Sato , Hiroyuki Takahashi , Hirotaka Hayashida , Kiyoshi Mitsuyasu , Ichirou Sawatari
IPC分类号： H01M4/24 , H01M4/62 , H01M4/74 , H01M6/10 , H01M10/34
CPC分类号： H01M4/742 , H01M10/345 , H01M4/242 , H01M4/621 , H01M4/74 , H01M6/10
摘要： A nickel-metal hydride secondary cell comprising an enclosure, a non-sinter type nickel positive electrode accommodated in said enclosure and formed of a conductive core and a layer formed on the core and made mainly of a binding medium, nickel hydroxide powder, and cobalt monoxide powder, a hydrogen absorbing alloy negative electrode accommodated in said enclosure and formed of punched metal and a layer formed on the punched metal by applying a paste thereto, said punched metal having a plurality of apertures having a diameter of 1 to 5 mm at an aperture rate of 45 to 70% and having a thickness equal to 10 to 35% of the overall thickness of the negative electrode, and said paste made of 100 parts by weight of hydrogen absorbing alloy powder, 0.005 to 1 part by weight of polyacrylate, 0.01 to 1 part by weight of carboxymethylcellulose, 0.5 to 7 parts by weight of fluoro-resin, and 0.1 to 4 parts by weight of conductive material powder, a separator made of synthetic resin unwoven fabric and located between said positive and negative electrodes, and an alkali electrolyte contained in said enclosure.

5. 发明授权

US4767683A Non-aqueous electrochemical cell 失效
标题翻译：非水电化学电池
公开(公告)号：US4767683A
公开(公告)日：1988-08-30
申请号：US129902
申请日：1987-12-07
申请人： Shuji Yamada , Takahisa Ohsaki , Kiyoshi Mitsuyasu , Yuichi Sato , Yoshiyasu Aoki , Kazuya Hiratsuka
发明人： Shuji Yamada , Takahisa Ohsaki , Kiyoshi Mitsuyasu , Yuichi Sato , Yoshiyasu Aoki , Kazuya Hiratsuka
IPC分类号： H01M2/30 , H01M4/96 , H01M6/14 , H01M10/36
CPC分类号： H01M4/96 , H01M2/30 , H01M6/14
摘要： A non-aqueous electrochemical cell has an anode consisting of an element selected from the group consisting of lithium, sodium and aluminum; a cathode consisting of a porous carbon body and a current collector; and an electrolyte containing an oxyhalide, wherein the porous carbon body contains a carbon black having a structure wherein a thin layer of graphite crystals is formed on a surface of each of chain-like carbon black particles. The cell has a high discharge capacity and an excellent discharge efficiency in high rate discharge.
摘要翻译：非水电化学电池具有由选自锂，钠和铝的元素组成的阳极; 由多孔碳体和集电体组成的阴极; 以及含有卤氧化物的电解质，其中，所述多孔碳体含有碳黑，所述炭黑具有在链状炭黑粒子的表面上形成有石墨晶体的薄层的结构。电池具有高放电容量和高放电率的优异的放电效率。

6. 发明授权

US4696873A Rechargeable electrochemical cell with a negative electrode comprising a hydrogen absorbing alloy including rare earth component 失效
标题翻译：具有含有含有稀土成分的吸氢合金的负极的可充电电化学电池
公开(公告)号：US4696873A
公开(公告)日：1987-09-29
申请号：US872844
申请日：1986-06-11
申请人： Eriko Yagasaki , Motoya Kanda , Kiyoshi Mitsuyasu , Yuji Sato
发明人： Eriko Yagasaki , Motoya Kanda , Kiyoshi Mitsuyasu , Yuji Sato
IPC分类号： B01J23/83 , B01J23/84 , B01J23/889 , H01M4/24 , H01M4/38 , H01M4/62 , H01M10/52
CPC分类号： B01J23/83 , B01J23/84 , B01J23/8892 , H01M4/242 , H01M4/383 , H01M4/624 , H01M4/625
摘要： A rechargeable electrochemical cell a positive electrode, an alkaline electrolyte and a negative electrode made mainly of a hydrogen absorbing alloy containing a mixture of at least two rare earth elements including Ce whose content relative to the total amount of rare earth elements is less than 40 wt % and is preferably 0.1 wt % to 12 wt % or in the range 0.1-8 wt %, which gives still better capacity and life characteristics. Moreover, larger capacity characteristics can be obtained if the negative electrode contains a conductive powder preferably with an average particle diameter of 10 .mu.m or less as a subsidiary material.
摘要翻译：一种可充电电化学电池，主要由含有至少两种稀土元素的混合物的吸氢合金制成的正极，碱性电解质和负极，Ce的含量相对于稀土元素的总量小于40重量％％，优选为0.1重量％〜12重量％，或在0.1〜8重量％的范围内，其赋予更好的容量和寿命特性。此外，如果负极含有优选具有10μm以下的平均粒径的导电性粉末作为辅助材料，则可以获得更大的容量特性。

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