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    • 2. 发明专利
    • 活物質及びその製造方法、非水電解質電池及び電池パック
    • 活性材料及其制造方法,非电解电解质电池和电池组
    • JP2014241293A
    • 2014-12-25
    • JP2014172859
    • 2014-08-27
    • 株式会社東芝Toshiba Corp
    • HOSHINA KEIGOCHANG MUNURUNO YUKIHARADA YASUHIROINAGAKI HIROTAKATAKAMI NORIO
    • H01M4/48H01M4/36H01M10/052
    • Y02E60/122
    • 【課題】サイクル寿命が向上された非水電解質電池、及び該電池に用いられる活物質及びその製造方法、並びに電池パックを提供する。【解決手段】単斜晶系二酸化チタンの結晶構造を有する酸化チタン化合物を含み、式Iを満たすことを特徴とする活物質:S1/(S2+S3)≦̸1.9 (I)。ここで、前記S1は、ピリジンを吸着及び脱離させた後の前記活物質の赤外拡散反射スペクトルにおいて、1430cm−1〜1460cm−1の領域に存在するピークのピーク面積であり、前記S2は、前記赤外拡散反射スペクトルにおいて、1470cm−1〜1500cm−1の領域に存在するピークのピーク面積であり、前記S3は、前記赤外拡散反射スペクトルにおいて、1520cm−1〜1560cm−1の領域に存在するピークのピーク面積である。【選択図】図1
    • 要解决的问题:提供一种具有改善的循环寿命的非水电解质电池,并提供用于电池的活性材料及其制备方法以及电池组。解决方案:活性材料含有具有 满足式I:S /(S + S)≤1.9(I)的单斜晶二氧化钛的晶体结构。 在该公式中,S是存在于1430cm至1460cmin区域的峰的峰面积,吸附和解吸吡啶后的活性物质的红外漫反射光谱,S是存在于1470cm至1500nm的峰的峰面积 cmin为红外漫反射光谱,S为红外漫反射光谱在1520cm至1560cmin区域存在的峰的峰面积。
    • 5. 发明专利
    • Nonaqueous electrolyte battery, and battery pack
    • 非电解电池电池和电池组
    • JP2014157828A
    • 2014-08-28
    • JP2014084351
    • 2014-04-16
    • Toshiba Corp株式会社東芝
    • HOSHINA KEIGOIWASAKI TAKUYASASAGAWA TETSUYAINAGAKI HIROTAKATAKAMI NORIO
    • H01M4/485H01M4/131H01M4/36H01M4/505H01M4/525H01M4/58H01M4/62H01M10/052
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery and a battery pack which are improved in input and output characteristics.SOLUTION: A nonaqueous electrolyte battery provided according to an embodiment comprises an exterior member, and a group of electrodes and a nonaqueous electrolyte which are enclosed in the exterior member. In the electrode, a negative electrode active material layer contains a monoclinic β-type titanium complex oxide. The negative electrode has a peak intensity ratio I(020)/I(001) satisfying the following inequality (I), and determined by X-ray powder diffraction with a Cu-Kα ray source: 0.6≤I(020)/I(001)≤1.2 (I), where I(020) is a peak intensity originating from (020) plane of the monoclinic β-type titanium complex oxide, and I(001) is a peak intensity originating from (001) plane of the monoclinic β-type titanium complex oxide.
    • 要解决的问题:提供输入和输出特性提高的非水电解质电池和电池组。根据实施方案提供的非水电解质电池包括外部构件和一组电极和非水电解质, 被封闭在外部构件中。 在电极中,负极活性物质层含有单斜晶系型钛复合氧化物。 负极具有满足以下不等式(I)的峰值强度比I(020)/ I(001),并且通过Cu-Kα射线源的X射线粉末衍射测定:0.6≤I(020)/ I( 001)≤1.2(I),其中I(020)是源自单斜晶型和/或双晶钛复合氧化物的(020)面的峰强度,I(001)是源自(001)面的峰强度 单斜晶型钛复合氧化物。
    • 6. 发明专利
    • Air battery
    • 空气电池
    • JP2014112545A
    • 2014-06-19
    • JP2013264355
    • 2013-12-20
    • Toshiba Corp株式会社東芝
    • KUBOKI TAKASHITAKAMI NORIO
    • H01M12/08H01M4/86H01M10/36
    • Y02E60/128
    • PROBLEM TO BE SOLVED: To provide a durable and rechargeable air battery having enhanced large current charge-discharge characteristics.SOLUTION: An air battery includes a container 1, a positive electrode 3 housed in the container 1, a negative electrode 5 housed in the container 1, first nonaqueous electrolyte held by the positive electrode 3 and containing ionic liquid, second nonaqueous electrolyte held by the negative electrode 5 and containing an organic solvent, a solid electrolyte layer 2 arranged between the positive electrode 3 and negative electrode 5, and having lithium ion conductivity, and a hole 7 for supplying oxygen to the positive electrode 3. The first nonaqueous electrolyte further contains a support electrolyte dissolved into the ionic liquid.
    • 要解决的问题:提供一种具有增强的大电流充放电特性的耐久且可充电的空气电池。解决方案:空气电池包括容器1,容纳在容器1中的正电极3,容纳在容器中的负电极5 1,由正极3保持并含有离子液体的第一非水电解质,由负极5保持并含有有机溶剂的第二非水电解质,配置在正极3和负极5之间的固体电解质层2,并且具有锂 离子传导性和用于向正极3供给氧的孔7.第一非水电解质还含有溶解在离子液体中的支持电解质。
    • 10. 发明专利
    • Nonaqueous electrolyte battery and battery pack
    • 非电解电池电池和电池组
    • JP2013211257A
    • 2013-10-10
    • JP2013023458
    • 2013-02-08
    • Toshiba Corp株式会社東芝
    • INAGAKI HIROTAKATAKAMI NORIO
    • H01M10/052H01M2/10H01M2/16H01M4/485H01M4/505H01M4/525H01M4/62H01M10/0567H01M10/0568
    • H01M10/056H01M4/485H01M10/0525Y02E60/122Y02T10/7011
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery less in resistance increase and having a long life.SOLUTION: A nonaqueous electrolyte battery includes: an outer case; a positive electrode accommodated in the outer case and containing an active material; a negative electrode accommodated in the outer case, spatially apart from the positive electrode, and containing an active material having a lithium absorption potential of higher than 0.4 V (vs.Li/Li); and a nonaqueous electrolyte accommodated in the outer case and containing a fluorine-containing lithium salt. The nonaqueous electrolyte contains a phosphoric acid-based compound. The phosphoric acid-based compound is at least one selected from the group consisting of AHPO, where A represents at least one element selected from Na and K, and x satisfies 0≤x≤3, and A'H(PO), where A' represents at least one element selected from Mg and Ca, and y satisfies 0≤y≤3.
    • 要解决的问题:提供一种电阻增加少且寿命长的非水电解质电池。解决方案:非水电解质电池包括:外壳; 容纳在外壳中并含有活性物质的正极; 容纳在外壳中的与正极空间隔开的负极,并且含有锂吸收电位高于0.4V(vs.Li/Li)的活性物质; 以及容纳在外壳中并含有含氟锂盐的非水电解质。 非水电解质含有磷酸类化合物。 磷酸系化合物是选自AHPO中的至少一种,其中A表示选自Na和K中的至少一种元素,x满足0≤x≤3,A'H(PO),其中A '表示选自Mg和Ca中的至少一种元素,并且y满足0≤y≤3。