1
Kengo Furukawa, Toshiki Tanaka, Hiroe Nakagawa, Yuichi Matsumura, Minoru Kuzuhara, Masuhiro Ohnishi, Noboru Miyake, Masaharu Watada, Masahiko Oshitani: Hydrogen absorbing electrode, nickel electrode and alkaline storage battery. Yuasa Corporation, Evenson McKeown Edwards & Lenahan P L LC, October 24, 2000: US06136473 (6 worldwide citation)

This invention relates to a hydrogen absorbing electrode, in which a rare earth element having a basicity weaker than that of La is mixed to a hydrogen absorbing alloy or contained in it for serving as a component element. The invention relates to a nickel electrode, in which a rare earth element is ...


2
Yuichi Matsumura, Takehito Bogauchi, Masuhiro Ohnishi, Kengo Furukawa, Hiroe Nakagawa, Toshiki Tanaka, Minoru Kuzuhara, Masahiko Oshitani: Hydrogen absorbing electrode and its manufacturing method. Yuasa Corporation, Evenson McKeown Edwards & Lenahan P L L C, August 10, 1999: US05935732 (5 worldwide citation)

A hydrogen absorbing electrode using a hydrogen absorbing alloy including at least one or more kinds of transition metals belonging to VIIb-group, VIII-group or Ib-group in periodic table at a specified percentage, characterized in that a surface part of the hydrogen absorbing alloy forms a rich lay ...


3
Masaki Miiyamoto, Mitsuhiro Kodama, Seijiro Ochiai, Manabu Kanemoto, Kaori Nishiyabu, Minoru Kuzuhara, Masaharu Watada: Nickel electrode for alkaline secondary battery and alkaline secondary battery. GS Yuasa International, Manabu Kanesaka, November 15, 2011: US08057934 (2 worldwide citation)

A nickel electrode for an alkaline secondary battery includes an electrically conductive base plate, and an active material particle supported on the conductive base plate and including a complex particle with a surface layer that mainly formed of a high-order cobalt compound whose oxidation number ...


4
Mitsuhiro Kodama, Seijiro Ochiai, Kouichi Sakamoto, Kaori Syodai, Masaki Miyamoto, Manabu Kanemoto, Yoshihiro Katayama, Minoru Kuzuhara, Masaharu Watada: Sealed alkaline storage battery, electrode structure and charging method for the same, and charger for sealed alkaline storage battery. Yuasa Corporation, McGinn IP Law Group PLLC, May 5, 2009: US07527890 (1 worldwide citation)

A sealed alkaline storage battery including a nickel electrode as a positive electrode, characterized by having the function of being capable of charge when the gas pressure in the battery and/or the battery temperature is not higher than a specified value and of being incapable of charge when the g ...


5
Seijiro Ochiai, Mitsuhiro Kodama, Kengo Furukawa, Toshiki Tanaka, Minoru Kuzuhara, Masaharu Watada, Masahiko Oshitani: Nickel electrode material, and production method therefor, and nickel electrode and alkaline battery. Yuasa Corporation, McGinn IP Law Group PLLC, December 22, 2009: US07635512

For accomplishing the subjects, the invention provides a nickel electrode material for use in a nickel electrode, wherein the positive-electrode material constituting the electrode material comprises: positive active material particles which comprise as the main component either a nickel hydroxide o ...


6
Manabu Kanemoto, Tadashi Kakeya, Minoru Kuzuhara, Masaharu Watada, Tetsuo Sakai, Tetsuya Ozaki: Hydrogen absorbing alloy, hydrogen absorbing alloy electrode, secondary battery and production method of hydrogen absorbing alloy. GS Yuasa International, National Institute of Advanced Industrial Science and Technology, Sterne Kessler Goldstein & Fox P L L C, May 31, 2011: US07951326

The present invention provides a hydrogen absorbing alloy containing a phase of a Pr5Co19 type crystal structure having a composition defined by a general formula A(4−w)B(1+w)C19 (A denotes one or more element(s) selected from rare earth elements including Y (yttrium); B denotes an Mg element; C den ...


7
Manabu Kanemoto, Tadashi Kakeya, Minoru Kuzuhara, Masaharu Watada, Tetsuo Sakai, Tetsuya Ozaki: Hydrogen absorbing alloy, hydrogen absorbing alloy electrode, secondary battery, and production method of hydrogen absorbing alloy. GS Yuasa International, National Institute of Advanced Industrial Science and Technology, Sterne Kessler Goldstein & Fox P L L C, October 2, 2012: US08277582

The present invention provides a hydrogen absorbing alloy containing a phase of a Pr5Co19 type crystal structure having a composition defined by a general formula A(4−w)B(1+w)C19 (A denotes one or more element(s) selected from rare earth elements including Y (yttrium); B denotes an Mg element; C den ...


8
Tetsuya Ozaki, Tetsuo Sakai, Manabu Kanemoto, Tadashi Kakeya, Minoru Kuzuhara, Masaharu Watada: Hydrogen absorbing alloy, production method thereof, and secondary battery. GS Yuasa International, National Insitute of Advanced Industrial Science and Technology, Sterne Kessler Goldstein & Fox P L L C, January 1, 2013: US08343659

The present invention provides a hydrogen absorbing alloy containing a phase of a Gd2Co7 type crystal structure, wherein the phase exists at a ratio of 10 weight % or higher in the entire hydrogen absorbing alloy and yttrium is contained at a ratio of 2 mol % or more and 10 mol % or less in the enti ...


9
Tetsuya Ozaki, Tetsuo Sakai, Manabu Kanemoto, Minoru Kuzuhara, Tadashi Kakeya, Masaharu Watada: Hydrogen storage alloy, its production method, hydrogen storage alloy electrode, and secondary battery. GS Yuasa International, National Institute of Advanced Industrial Science & Technology, Sterne Kessler Goldstein & Fox P L L C, September 20, 2011: US08021606

A hydrogen storage alloy containing a phase of a chemical composition defined by a general formula A5·xB1+xC24: wherein in the general formula A5·xB1+xC24, A denotes one or more element(s) selected from rare earth elements; B denotes one or more element(s) selected from a group consisting of Mg, Ca, ...


10
Tadashi Kakeya, Manabu Kanemoto, Minoru Kuzuhara, Tetsuya Ozaki, Masaharu Watada, Tetsuo Sakai: Hydrogen storage alloy, hydrogen storage alloy electrode, secondary battery, and method for producing hydrogen storage alloy. GS Yuasa International, National Institute of Advanced Industrial Science and Technology, Sterne Kessler Goldstein & Fox P L L C, January 1, 2013: US08343660

Provided is a hydrogen storage alloy which is characterized in that two or more crystal phases having different crystal structures are layered in a c-axis direction of the crystal structures. The hydrogen storage alloy is further characterized in that a difference between a maximum value and a minim ...