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41. 发明申请

US20170117541A1 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
公开(公告)号：US20170117541A1
公开(公告)日：2017-04-27
申请号：US15318884
申请日：2015-08-21
申请人： SANYO Electric Co., Ltd.
发明人： Tatsuya Akira , Hiroshi Minami , Taizou Sunano , Yoshio Kato
IPC分类号： H01M4/36 , H01M4/38 , H01M4/587 , H01M4/48
CPC分类号： H01M4/366 , H01M4/134 , H01M4/1395 , H01M4/386 , H01M4/483 , H01M4/587 , H01M4/625 , H01M10/052 , H01M2004/021 , H01M2004/027
摘要： The cycle characteristics of a nonaqueous electrolyte secondary battery including negative electrode active material particles containing Si and SiO2 are improved.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.

42. 发明申请

US20170047579A1 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
标题翻译：非水电解质二次电池
公开(公告)号：US20170047579A1
公开(公告)日：2017-02-16
申请号：US15119060
申请日：2015-02-06
申请人： SANYO ELECTRIC CO., LTD.
发明人： Yuki Suehiro , Taizou Sunano
IPC分类号： H01M4/131 , H01M4/66 , H01M4/525 , H01M4/134 , H01M10/0525 , H01M4/38
CPC分类号： H01M4/131 , H01M4/134 , H01M4/386 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/661 , H01M10/0525
摘要： An object is to improve the safety of a non-aqueous electrolyte secondary battery at the time of the internal short circuit. The non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The positive electrode includes a current collector and a positive electrode active material layer formed on the current collector. The current collector includes a metal foil having a roughened surface. The negative electrode includes a silicon-containing negative electrode active material. The metal foil is preferably a metal foil containing aluminum. The metal foil preferably has a surface roughness Ra of 0.1 to 2.0 μm.
摘要翻译：目的在于提高内部短路时的非水电解质二次电池的安全性。非水电解质二次电池包括正电极，负电极和介于正极和负电极之间的隔膜。正极包括形成在集电体上的集电体和正极活性物质层。集电体包括具有粗糙表面的金属箔。负极包括含硅负极活性物质。金属箔优选为含有铝的金属箔。金属箔的表面粗糙度Ra优选为0.1〜2.0μm。

43. 发明申请

US20170018772A1 POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
标题翻译：用于非电解电解质二次电池的非电解电解质二次电池和正电极的正极电极活性材料
公开(公告)号：US20170018772A1
公开(公告)日：2017-01-19
申请号：US15124164
申请日：2015-03-05
申请人： SANYO Electric Co., Ltd.
发明人： Taiki Satow , Takeshi Ogasawara , Taizou Sunano
IPC分类号： H01M4/525 , H01M10/0525 , C01F17/00 , H01M4/36 , H01M4/131 , C01G51/00 , H01M4/62 , H01M4/38
CPC分类号： H01M4/525 , C01F17/0043 , C01G51/40 , C01G51/42 , C01P2004/51 , C01P2004/61 , C01P2004/64 , C01P2004/86 , C01P2006/40 , H01M4/131 , H01M4/366 , H01M4/38 , H01M4/62 , H01M4/621 , H01M4/624 , H01M10/052 , H01M10/0525 , H01M2004/028
摘要： Dissolution of cobalt from a positive electrode active material is suppressed. Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery that contains a lithium transition metal oxide. Fluorine and at least one element selected from zirconium, titanium, aluminum, magnesium, and rare earth elements adhere to the surface of the lithium transition metal oxide, and the lithium transition metal oxide contains cobalt. The lithium transition metal oxide has an average particle diameter of 10 μm or less.
摘要翻译：抑制了钴从正极活性物质的溶解。公开了一种含有锂过渡金属氧化物的非水电解质二次电池用正极活性物质。氟和选自锆，钛，铝，镁和稀土元素中的至少一种元素附着在锂过渡金属氧化物的表面上，锂过渡金属氧化物含有钴。锂过渡金属氧化物的平均粒径为10μm以下。

44. 发明申请

US20160049651A1 NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
标题翻译：非电解电解质二次电池和非电解电解质二次电池负极
公开(公告)号：US20160049651A1
公开(公告)日：2016-02-18
申请号：US14779824
申请日：2014-03-18
申请人： SANYO ELECTRIC CO., LTD.
发明人： Shouichiro Sawa , Ayano Toyoda , Taizou Sunano
IPC分类号： H01M4/38 , H01M10/052
CPC分类号： H01M4/382 , H01M4/134 , H01M4/386 , H01M10/052 , H01M2004/021 , H01M2220/20 , H01M2220/30 , Y02E60/122 , Y02T10/7011
摘要： A nonaqueous electrolyte secondary battery which has a good capacity retention ratio (cycle characteristics) and in which the expansion and shrinkage during charging and discharging are small compared with the case where a negative electrode made of only a negative electrode active material that forms an alloy with lithium is used. A negative electrode for a nonaqueous electrolyte secondary battery according to one aspect of the present invention includes a negative electrode mixture layer formed on a current collector and containing a binder and a negative electrode active material particle that forms an alloy with lithium. The negative electrode mixture layer includes pillar portions, and a value of S1/S2 is 0.46 or more and 0.58 or less, where S1 represents a total area of the pillar portions in plan view and S2 represents a total area of one surface of the negative electrode current collector in plan view.
摘要翻译：具有良好的容量保持率（循环特性）的非水电解质二次电池与充放电时的膨胀收缩相比，与仅由形成合金的负极活性物质形成的负极的情况相比，使用锂。根据本发明的一个方面的非水电解质二次电池用负极包括在集电体上形成并含有与锂形成合金的粘合剂和负极活性物质粒子的负极合剂层。负极合剂层包括柱部，S1 / S2的值为0.46以上且0.58以下，其中S1表示平面图中的柱部的总面积，S2表示负极的一个面的总面积电极集电器。

45. 发明申请

US20160013478A1 POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY THAT USES THE POSITIVE ELECTRODE 审中-公开
标题翻译：用于非电解电解质二次电池的正极电极和使用正极的非电解电解质二次电池
公开(公告)号：US20160013478A1
公开(公告)日：2016-01-14
申请号：US14654142
申请日：2014-01-23
申请人： SANYO ELECTRIC CO., LTD.
发明人： Taiki Satow , Takao Kokubu , Taizou Sunano , Takeshi Ogasawara
IPC分类号： H01M4/36 , H01M4/525 , H01M4/485 , H01M4/505 , H01M10/0525 , H01M4/1315
CPC分类号： H01M4/366 , H01M4/1315 , H01M4/364 , H01M4/38 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/582 , H01M10/052 , H01M10/0525 , H01M2004/028
摘要： A positive electrode for a nonaqueous electrolyte secondary battery that does not undergo a decrease in discharge capacity in low-temperature discharge during charge and discharge after the battery is left standing at high temperature in a charged state, for example. The positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode active material. The positive electrode active material includes a mixture of lithium nickel cobalt manganate and lithium cobaltate having a compound adhered to part of a surface thereof, the compound containing fluorine and at least one selected from zirconium, magnesium, titanium, aluminum, and a rare earth element; and a ratio of the lithium nickel cobalt manganate relative to a total amount of the positive electrode active material is 1% by mass or more and less than 70% by mass.
摘要翻译：例如，在充电状态下在高温下放置电池时，在充放电期间，低温放电时的放电容量不会降低的非水电解质二次电池用正极。非水电解质二次电池用正极包括正极活性物质。正极活性物质包括锰酸锂钴和钴酸锂的混合物，其具有附着在其表面的一部分上的化合物，含氟的化合物和选自锆，镁，钛，铝和稀土元素中的至少一种 ; 并且锰酸锂钴酸锂相对于正极活性物质的总量的比例为1质量％以上且小于70质量％。

46. 发明申请

US20150380735A1 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
标题翻译：非电解电解质二次电池和非电解电解质二次电池的负极电极活性材料
公开(公告)号：US20150380735A1
公开(公告)日：2015-12-31
申请号：US14769233
申请日：2014-03-24
申请人： SANYO ELECTRIC CO., LTD.
发明人： Kouhei Tuduki , Fukui Atsushi , Taizou Sunano
IPC分类号： H01M4/38 , H01M10/0525
CPC分类号： H01M4/386 , H01M4/366 , H01M4/5825 , H01M10/0525 , H01M2220/30
摘要： The invention provides a nonaqueous electrolyte secondary battery having a large battery capacity and excellent charge/discharge cycle characteristics. The nonaqueous electrolyte secondary battery includes a negative electrode including a particulate negative electrode active material (33), a positive electrode and a nonaqueous electrolyte. The particulate negative electrode active material (33) includes a plurality of two-phase regions (34) in the particle wherein the two-phase regions include a first phase (A) containing silicon and a second phase (B) containing silicon oxide disposed on the periphery of the first phase, the negative electrode active material being such that the ratio of the intensity at 480 cm−1 wavelength to the intensity at 510 cm−1 wavelength in a Raman spectrum obtained by Raman spectroscopy is not more than 0.1 and the ratio of the intensity at 2θ=21.6 to the intensity at 2θ=28.4 in an X-ray diffraction pattern obtained by X-ray diffractometry is not more than 0.1.
摘要翻译：本发明提供一种电池容量大，充放电循环特性优异的非水电解质二次电池。非水电解质二次电池包括含有负极活性物质（33），正极和非水电解质的负极。颗粒状负极活性物质（33）在颗粒中包含多个两相区域（34），其中两相区域包括含有硅的第一相（A）和含有氧化硅的第二相（B）第一相的周围，负极活性物质使得通过拉曼光谱法获得的拉曼光谱中480cm -1波长的强度与510cm -1波长的强度的比例不大于0.1，并且 2θ时的强度比= 21.6，2θ时的强度比= 28.4，X射线衍射法得到的X射线衍射图中的强度比不大于0.1。

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