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Yoshinori Matsuura, Mitsuzo Nogami, Mamoru Kimoto, Nobuyuki Higashiyama, Yasushi Kuroda, Ikuo Yonezu, Koji Nishio, Toshihiko Saito: Hydrogen-absorbing alloy electrode for metal hydride alkaline batteries and process for producing the same. Sanyo Electric, Birch Stewart Kolasch & Birch, May 13, 1997: US05629000 (9 worldwide citation)

A hydrogen-absorbing alloy electrode for metal hydride alkaline batteries uses as hydrogen-absorbing material a powder of a rare earth element-nickel hydrogen-absorbing alloy obtained by pulverizing thin strips of said alloy prepared by single roll process and having an average thickness of 0.08 to ...


2
Takeshi Ogasawara, Nobuyuki Higashiyama, Mutsumi Yano, Mamoru Kimoto, Yasuhiko Itoh, Koji Nishio: Positive active material for use in sealed alkaline storage batteries. Sanyo Electric, W F Fasse, W G Fasse, June 10, 2003: US06576368 (7 worldwide citation)

A positive active material for sealed alkaline storage batteries is obtainable by subjecting &bgr;-nickel hydroxide, together with at least one additive selected from yttrium, gadolinium, erbium and ytterbium, and oxides, hydroxides, fluorides and chlorides thereof, to an oxidation treatment with an ...


3
Nobuyuki Higashiyama, Kikuko Kato, Teruhiko Imoto, Masutaka Ouchi, Mamoru Kimoto, Yasuhiko Itoh, Koji Nishio: Pasted hydrogen-absorbing alloy electrode for alkaline storage battery. Sanyo Electric, Kubovcik & Kubovcik, September 4, 2001: US06284409 (4 worldwide citation)

In a pasted hydrogen-absorbing alloy electrode of this invention, an active material layer made from a mixture of a hydrogen-absorbing alloy powder, a composite particle powder including carbon particles and a rare earth compound for partially coating surfaces of the carbon particles, and a binder i ...


4
Teruhiko Imoto, Yoshinori Matsuura, Nobuyuki Higashiyama, Mamoru Kimoto, Mitsuzou Nogami, Ikuo Yonezu, Koji Nishio: Hydrogen absorbing alloy electrode, method of fabricating hydrogen absorbing alloy electrode, and alkali secondary battery. Sanyo Electric, Armstrong Westerman Hattori McLeland & Naughton, May 30, 2000: US06068948 (4 worldwide citation)

In the present invention, a hydrogen absorbing alloy treated upon immersed in an acid solution containing at least a quinone compound, a hydrogen absorbing alloy immersed in water to which at least a quinone compound is added, or a hydrogen absorbing alloy treated upon being immersed in an acid solu ...


5
Takeshi Ogasawara, Mitsunori Tokuda, Nobuyuki Higashiyama, Yasuhiko Itoh: Positive electrode active material for alkaline storage batteries, positive electrode for alkaline storage batteries, and alkaline storage battery. Sanyo Electric, Armstrong Westerman & Hattori, February 18, 2003: US06521377 (4 worldwide citation)

In a positive electrode active material for alkaline storage batteries according to the present invention, a surface of a nickel hydroxide is coated with a mixed crystal material of at least one type of element selected from aluminum Al, manganese Mn, iron Fe, yttrium Y, ytterbium Yb, erbium Er, and ...


6
Tadashi Ise, Hiroshi Fukuda, Teruhiko Imoto, Kikuko Kato, Yasushi Kuroda, Nobuyuki Higashiyama, Yoshinori Matsuura, Mamoru Kimoto, Mitsuzou Nogami, Shin Fujitani, Ikuo Yonezu, Koji Nishio: Hydrogen storing alloy electrode and process for producing hydrogen storage alloy electrode. Sanyo Electric, Armstrong Westerman Hattori McLeland & Naughton, July 3, 2001: US06255018 (3 worldwide citation)

An object of the present invention is to provide an effective hydrogen-absorbing alloy activation process which can enhance the electrochemical activity of a hydrogen-absorbing alloy and to provide a hydrogen-absorbing alloy electrode which, when used in a battery, ensures an excellent initial inner ...


7
Kikuko Kato, Masutaka Ouchi, Yohei Hirota, Teruhiko Imoto, Nobuyuki Higashiyama, Mamoru Kimoto, Shin Fujitani, Koji Nishio: Hydrogen-absorbing alloy electrode for alkaline secondary battery and method of manufacture thereof. Sanyo Electric, Kubovcik & Kubovcik, June 5, 2001: US06242133 (3 worldwide citation)

A hydrogen-absorbing alloy electrode for an alkaline secondary battery. The electrode is prepared by adding a transition metal salt to a paste comprising a hydrogen-absorbing alloy powder and binder. The electrode improves charge-discharge cycle performance and high rate discharge capacity at low te ...


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Yoshinori Matsuura, Yasushi Kuroda, Nobuyuki Higashiyama, Mamoru Kimoto, Mitsuzou Nogami, Koji Nishio, Toshihiko Saito: Hydrogen-absorbing alloy electrode for metal hydride alkaline battery. Sanyo Electric, Birch Stewart Kolasch & Birch, April 1, 1997: US05616435 (2 worldwide citation)

A hydrogen-absorbing alloy electrode for metal hydride alkaline batteries is obtained by coating or filling a collector with a hydrogen-absorbing alloy powder consisting essentially of spherical particles and/or nearly spherical particles and then sintering the powder, the powder having an average p ...


10
Teruhiko Imoto, Masutaka Ouchi, Yohei Hirota, Kikuko Kato, Nobuyuki Higashiyama, Mamoru Kimoto, Shin Fujitani, Koji Nishio: Method for production of hydrogen storage alloy for use in alkaline storage batteries. Sanyo Electric, W F Fasse, W G Fasse, July 18, 2006: US07078126 (1 worldwide citation)

A method of producing a hydrogen storage alloy, for use in alkaline storage batteries, includes two steps. A first step involves preparing alloy particles having a CaCu5-type crystal structure and the compositional formula MmNixCoyMnzM1−z, wherein M represents at least one element selected from the ...