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公开(公告)号：US20170352881A1
公开(公告)日：2017-12-07
申请号：US15526041
申请日：2016-01-18
Applicant: SANYO Electric Co., Ltd.
Inventor： Hiroshi Minami , Yoshio Kato , Taizou Sunano
IPC: H01M4/38 , H01M4/131 , G01N23/20 , H01M10/0525
CPC classification number: H01M4/382 , G01N23/20 , H01M4/131 , H01M4/134 , H01M4/362 , H01M4/366 , H01M4/628 , H01M10/0525 , H01M2004/021
Abstract: A non-aqueous electrolyte secondary battery containing a silicon material, wherein the negative-electrode active material can constitute a non-aqueous electrolyte secondary battery having high charge capacity, high initial charge/discharge efficiency, and good cycle characteristics. A negative-electrode active material particle according to an embodiment includes a lithium silicate phase represented by Li2zSiO(2+z) {0
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公开(公告)号：US20170214041A1
公开(公告)日：2017-07-27
申请号：US15324951
申请日：2015-08-27
Applicant: SANYO Electric Co., Ltd.
Inventor： Hiroshi Minami , Kouhei Tuduki , Atsushi Fukui , Taizou Sunano , Yoshio Kato
CPC classification number: H01M4/364 , H01M4/386 , H01M4/485 , H01M4/5825 , H01M2004/021 , H01M2004/027
Abstract: In a nonaqueous electrolyte secondary battery containing a silicon material as a negative electrode active material, the initial charge-discharge efficiency is improved. Negative electrode active material particles (10) according to an embodiment each contain a lithium silicate phase (11) represented by Li2zSiO(2+z) (where 0
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公开(公告)号：US10741833B2
公开(公告)日：2020-08-11
申请号：US16051651
申请日：2018-08-01
Applicant: SANYO Electric Co., Ltd.
Inventor： Tatsuya Akira , Hiroshi Minami , Taizou Sunano , Yoshio Kato
IPC: H01M8/04 , H01M4/36 , H01M4/134 , H01M4/62 , H01M4/38 , H01M4/48 , H01M4/587 , H01M4/1395 , H01M10/052 , H01M4/02
Abstract: There is provided a negative electrode active material for a nonaqueous electrolyte secondary battery, the negative electrode active material including a base particle containing Si and SiO2, a mixed phase coating that covers a surface of the base particle and contains SiO2 and carbon, and a carbon coating that covers a surface of the mixed phase coating. The base particle is preferably formed of SiOX (0.5≤X≤1.5). The mixed phase coating preferably contains carbon dispersed in a phase formed of SiO2. The cycle characteristics of a nonaqueous electrolyte secondary battery including negative electrode active material particles containing Si and SiO2 are improved.
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公开(公告)号：US10483528B2
公开(公告)日：2019-11-19
申请号：US15526532
申请日：2016-01-18
Applicant: Sanyo Electric Co., Ltd.
Inventor： Norihisa Yamamoto , Taizou Sunano , Hiroshi Minami , Yoshio Kato , Yohei Uchiyama
Abstract: The initial charge/discharge efficiency and cycle characteristics of a non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material are improved. A negative-electrode active material particle (10) according to an embodiment contains a base particle (13), which includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0
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公开(公告)号：US20190044131A1
公开(公告)日：2019-02-07
申请号：US16051651
申请日：2018-08-01
Applicant: SANYO Electric Co., Ltd.
Inventor： Tatsuya Akira , Hiroshi Minami , Taizou Sunano , Yoshio Kato
IPC: H01M4/36 , H01M4/587 , H01M4/38 , H01M4/48 , H01M4/134 , H01M4/62 , H01M4/1395 , H01M10/052 , H01M4/02
CPC classification number: H01M4/366 , H01M4/134 , H01M4/1395 , H01M4/386 , H01M4/483 , H01M4/587 , H01M4/625 , H01M10/052 , H01M2004/021 , H01M2004/027
Abstract: There is provided a negative electrode active material for a nonaqueous electrolyte secondary battery, the negative electrode active material including a base particle containing Si and SiO2, a mixed phase coating that covers a surface of the base particle and contains SiO2 and carbon, and a carbon coating that covers a surface of the mixed phase coating. The base particle is preferably formed of SiOX (0.5≤X≤1.5). The mixed phase coating preferably contains carbon dispersed in a phase formed of SiO2. The cycle characteristics of a nonaqueous electrolyte secondary battery including negative electrode active material particles containing Si and SiO2 are improved.
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Patent Agency Ranking
公开(公告)号：US09761880B2
公开(公告)日：2017-09-12
申请号：US14729401
申请日：2015-06-03
Applicant: SANYO Electric Co., Ltd.
Inventor： Takeshi Ogasawara , Hiroshi Minami , Naoki Imachi , Atsushi Kaiduka , Yasunori Baba , Yoshinori Kida , Shin Fujitani
IPC: H01M4/62 , H01M4/583 , H01M4/38 , H01M10/0568 , H01M10/0525 , H01M4/131 , H01M4/505 , H01M4/525 , H01M4/587
CPC classification number: H01M4/622 , H01M2/0408 , H01M2/14 , H01M2/16 , H01M2/168 , H01M4/13 , H01M4/131 , H01M4/133 , H01M4/505 , H01M4/525 , H01M4/587 , H01M4/62 , H01M4/621 , H01M10/0525 , H01M10/0568 , H01M10/058 , H01M2220/30 , H01M2300/0025 , Y02E60/122 , Y02P70/54 , Y10T29/49115
Abstract: [Problem] A non-aqueous electrolyte battery is provided that shows good cycle performance and good storage performance under high temperature conditions and exhibits high reliability even with a battery configuration featuring high capacity. A method of manufacturing the battery is also provided.[Means for Solve the Problem] A non-aqueous electrolyte battery includes: a positive electrode having a positive electrode active material layer containing a positive electrode active material; a negative electrode having a negative electrode active material layer containing a negative electrode active material; a separator interposed between the positive electrode and the negative electrode; an electrode assembly including the positive electrode, the negative electrode, and the separator; and a non-aqueous electrolyte impregnated in the electrode assembly, characterized in that: the positive electrode active material contains at least cobalt or manganese; and a coating layer is formed on a surface of the negative electrode active material layer, the coating layer including filler particles and a binder.
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公开(公告)号：US20160049639A1
公开(公告)日：2016-02-18
申请号：US14778758
申请日：2014-03-18
Applicant: SANYO ELECTRIC CO., LTD.
Inventor： Hiroshi Minami , Mai Yokoi , Tatsuya Akira , Naoki Imachi , Taizou Sunano
CPC classification number: H01M4/131 , H01M4/134 , H01M4/364 , H01M4/366 , H01M4/386 , H01M4/483 , H01M4/485 , H01M4/587 , H01M4/625 , H01M2004/027
Abstract: In a nonaqueous electrolyte secondary battery using SiOx (0
Abstract translation: 在使用SiO x（0
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公开(公告)号：US11043665B2
公开(公告)日：2021-06-22
申请号：US15324951
申请日：2015-08-27
Applicant: SANYO Electric Co., Ltd.
Inventor： Hiroshi Minami , Kouhei Tuduki , Atsushi Fukui , Taizou Sunano , Yoshio Kato
Abstract: In a nonaqueous electrolyte secondary battery containing a silicon material as a negative electrode active material, the initial charge-discharge efficiency is improved. Negative electrode active material particles (10) according to an embodiment each contain a lithium silicate phase (11) represented by Li2zSiO(2+z) (where 0
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公开(公告)号：US10886534B2
公开(公告)日：2021-01-05
申请号：US15525654
申请日：2016-01-18
Applicant: Sanyo Electric Co., Ltd.
Inventor： Hiroshi Minami , Taizou Sunano
Abstract: A non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material has improved initial charge/discharge efficiency. A negative-electrode active material particle (10) according to an embodiment contains a base particle (13), which includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0
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公开(公告)号：US10516153B2
公开(公告)日：2019-12-24
申请号：US15533255
申请日：2016-01-18
Applicant: Sanyo Electric Co., Ltd.
Inventor： Taizou Sunano , Hiroshi Minami , Yoshio Kato , Yohei Uchiyama
Abstract: The initial charge/discharge efficiency and cycle characteristics of a non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material are improved. A negative-electrode active material particle (10) according to an embodiment includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0
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