[특허]Positive electrode active material for alkaline storage batteries

Positive electrode active material for alkaline storage batteries 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-004/52
출원번호	US-0887873 (1997-07-03)
우선권정보	JP0249496 (1996-09-20)
발명자 / 주소	Kimiya Hirokazu,JPX Izumi Yoichi,JPX Sakamoto Hiroyuki,JPX Izumi Hidekatsu,JPX Matsumoto Isao,JPX
출원인 / 주소	Matsushita Electric Industrial Co., Ltd., JPX
대리인 / 주소	Akin, Gump, Strauss, Hauer & Feld, L.L.P.
인용정보	피인용 횟수 : 8 인용 특허 : 22

초록 ▼

Disclosed is a high capacity positive active material for an alkaline storage battery comprising a nickel based multi-metals oxide, wherein the charge characteristic at high temperature is improved. This oxide has a large number of micropores in at least a surface layer. An average composition of the surface layer is different from that of the interior in that at least one element selected from the group consisting of Ca, Ti, Zn, Sr, Ba, Y, Cd, Co, Cr, Bi and lanthanoids, in addition to Ni, is contained in the surface layer, or in that the at least one element is contained at a concentration higher than that of the interior.

대표청구항 ▼

[ What is claimed is:] [1.]1. A positive electrode active material for an alkaline storage battery, said active material comprising particles of a nickel based multi-metals oxide, said nickel based multi-metals oxide particles having an interior and a surface layer, said nickel based multi-metals oxide particles being porous in at least the surface layer, wherein an average composition of the surface layer is different from that of the interior in that at least one element selected from the group consisting of Ca, Ti, Zn, Sr, Y, Cr, Bi and lanthanoids, in addition to Ni, is contained in the surface layer at a concentration higher than that of the interior, and wherein said active material is based on nickel hydroxide and is capable of reversibly cycling between beta- and gamma-nickel hydroxide crystalline phases during electrochemical charge and discharge.

이 특허에 인용된 특허 (22)

Yano Mutsumi (Osaka JPX) Nogami Mitsuzo (Osaka JPX) Shinyama Katsuhiko (Osaka JPX) Chikano Yoshito (Osaka JPX) Nishio Koji (Osaka JPX) Saito Toshihiko (Mihara-gun JPX), Active material powder for non-sintered nickel electrode and non-sintered nickel electrode for alkaline battery.
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Miyamoto Kunihiko (Tokyo JPX) Fukuju Takeshi (Tokyo JPX) Sugimoto Ken (Tokyo JPX), Alkali secondary battery.
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Nakahori Shinsuke (Sumoto JPX) Yoshida Ichirou (Sumoto JPX), Alkaline storage cell.
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Matsumoto Isao (Osaka JPX) Iwaki Tsutomu (Yawata JPX) Yanagihara Nobuyuki (Hirakata JPX), Battery electrode.
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Ovshinsky Stanford R. (Bloomfield Hills MI) Corrigan Dennis (Troy MI) Venkatesan Srini (Southfield MI) Young Rosa (Troy MI) Fierro Christian (Troy MI) Fetcenko Michael A. (Rochester Hills MI), Chemically and compositionally modified solid solution disordered multiphase nickel hydroxide positive electrode for alk.
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Ovshinsky Stanford R. (Bloomfield Hills MI) Fetcenko Michael A. (Rochester Hills MI) Venkatesan Srinivasan (Southfield MI) Holland Arthur (Troy MI), Compositionally and structurally disordered multiphase nickel hydroxide positive electrode for alkaline rechargeable ele.
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Ovshinsky Stanford R. (Bloomfield Hills MI) Fetcenko Michael A. (Rochester Hills MI) Fierro Cristian (Troy MI) Gifford Paul R. (Troy MI) Corrigan Dennis A. (Troy MI) Benson Peter (Rochester MI) Marti, Enhanced nickel hydroxide positive electrode materials for alkaline rechargeable electrochemical cells.
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Doi Hidekazu (Omiya JPX) Yabuki Ritsue (Iwatsuki JPX), Hydroen absorbing Ni-based alloy and rechargeable alkaline battery.
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Doi Hidekazu (Omiya JPX) Yabuki Ritsue (Iwatsuki JPX), Hydrogen absorbing Ni,Zr-based alloy and rechargeable alkaline battery.
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Hong Kuochih (1790 Rolling Woods Troy MI 48098), Hydrogen storage material and nickel hydride batteries using same.
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Glemser Oskar (Gottingen DEX) Axmann Peter (Gottingen DEX), Manganese (III)-containing nickel (II) hydroxide for the production of secondary batteries.
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Axmann Peter (Gottingen DEX), Manganese (III)-doped nickel (II) hydroxide powders.
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Corrigan Dennis ; Fierro Cristian ; Martin Franklin J. ; Ovshinsky Stanford R. ; Xu Liwei, Nickel battery electrode having multiple composition nickel hydroxide active materials.
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Watada Masaharu (Takatsuki JPX) Oshitani Masahiko (Takatsuki JPX) Onishi Masuhiro (Takatsuki JPX), Nickel electrode for alkaline battery.
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Abe Hidetoshi (Iwaki JPX), Nickel electrode for an alkaline secondary battery.
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Ettel Victor A. (Mississauga CAX) Babjak Juraj (Mississauga CAX) Baksa Stephen J. (Mississauga CAX) Bell James A. E. (Oakville CAX), Nickel hydroxide.
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Sawa Haruo (Iwaki JPX), Nickel hydroxide electrode for use in an alkaline secondary battery.
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Ovshinsky Stanford R. (2700 Squirrel Rd. Bloomfield Hills MI 48013) Corrigon Dennis A. (3793 Burkoff Dr. Troy MI 48084) Benson Peter (490 Miller Ave. ; #105 Rochester MI 48307) Fierro Cristian A. (52, Nickel metal hybride battery containing a modified disordered multiphase nickel hydroxide positive electrode.
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Ovshinsky Stanford R. (Bloomfield Hills MI) Young Rosa T. (Troy MI), Nickel metal hydride battery containing a modified disordered multiphase nickel aluminum based positive electrode.
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Ikoma Munehisa (Nara JPX) Muramatsu Kimie (Kyoto JPX) Matsuda Hiromu (Hyogo JPX) Akutsu Norikatsu (Tokyo JPX) Matsumoto Isao (Osaka JPX), Nickel positive electrode for use in alkaline storage battery and nickel-hydrogen storage battery using the same.
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Iwane Noriyasu (Tokyo JPX) Sawa Harauo (Yokohama JPX), Preparing method for a nickel hydroxide for a nickel electrode, a manufacturing method for the nickel electrode, and an.
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Axmann Peter (Gottingen DEX), Process for the preparation of manganese(III)-containing nickel hydroxide.
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이 특허를 인용한 특허 (8)

Deguchi, Masanobu; Fujita, Syouichi, Charging apparatus and image forming apparatus.
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Takee, Masao, Cylindrical alkaline storage battery.
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Christian, Paul A.; Davis, Stuart M.; Mezini, Tatjana, Gold additive for a cathode including nickel oxyhydroxide for an alkaline battery.
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Magari, Yoshifumi; Ishida, Jun; Yasuoka, Shigekazu, Hydrogen-absorbing alloy electrode, alkaline storage battery, and method of manufacturing the alkaline storage battery.
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Ogasawara, Takeshi; Tokuda, Mitsunori; Yano, Mutsumi; Fujitani, Shin, Nickel electrode for alkaline storage battery and alkaline storage battery.
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Shinyama, Katsuhiko; Maeda, Reizo; Harada, Yasuyuki; Tanaka, Tadayoshi; Matsuura, Yoshinori; Nohma, Toshiyuki; Yonezu, Ikuo, Nickel electrodes for alkaline secondary battery and alkaline secondary batteries.
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Champion, Thibault; His, Christian, Refractory powder comprising coated mullite grains.
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Lu, Chun, Solid-solution method for producing iron-containing active materials for rechargeable oxide-ion battery cells.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Positive electrode active material for alkaline storage batteries 원문보기