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    • 5. 发明申请
    • LITHIUM BATTERY
    • 锂电池
    • US20090068563A1
    • 2009-03-12
    • US12208497
    • 2008-09-11
    • Ryoko KandaNobuhiro OtaTakashi UemuraKentaro YoshidaMitsuyasu Ogawa
    • Ryoko KandaNobuhiro OtaTakashi UemuraKentaro YoshidaMitsuyasu Ogawa
    • H01M6/18
    • H01M10/0525H01M4/13H01M4/485H01M10/0562H01M10/0585Y10T29/49115
    • A lithium battery includes a substrate, a positive electrode layer, a negative electrode layer, and a sulfide solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, the positive electrode layer, the negative electrode layer, and the sulfide solid electrolyte layer being provided on the substrate. In this lithium battery, the positive electrode layer is formed by a vapor-phase deposition method, and a buffer layer that suppresses nonuniformity of distribution of lithium ions near the interface between the positive electrode layer and the sulfide solid electrolyte layer is provided between the positive electrode layer and the sulfide solid electrolyte layer. As the buffer layer, a lithium-ion conductive oxide, in particular, LixLa(2-x)/3TiO3 (x=0.1 to 0.5), Li7+xLa3Zr2O12+(x/2) (−5≦×≦3, preferably −2≦×≦2), or LiNbO3 is preferably used.
    • 锂电池包括设置在正极层和负极层之间的基板,正极层,负极层和硫化物固体电解质层,正极层,负极层和硫化物固体电解质 层设置在基板上。 在该锂电池中,通过气相沉积法形成正极层,并且在正极层和硫化物固体电解质层之间的界面附近抑制锂离子分布的不均匀性的缓冲层设置在阳极 电极层和硫化物固体电解质层。 作为缓冲层,特别是LixLa(2-x)/ 3TiO3(x = 0.1〜0.5),Li7 + xLa3Zr2O12 +(x / 2)(-5≤x≤3)的锂离子传导性氧化物 -2 <= x <= 2),或者优选使用LiNbO 3。
    • 7. 发明申请
    • BATTERY
    • 电池
    • US20100028775A1
    • 2010-02-04
    • US12444939
    • 2007-11-15
    • Katsuji EmuraTakashi UemuraHideaki AwataKentaro YoshidaMitsuyasu OgawaRikizo Ikuta
    • Katsuji EmuraTakashi UemuraHideaki AwataKentaro YoshidaMitsuyasu OgawaRikizo Ikuta
    • H01M4/02
    • H01M2/1673H01M6/40H01M10/052H01M10/0585
    • The battery of the invention has a positive-electrode layer 20, a negative-electrode layer 50, and an electrolytic layer 40 through which ionic conduction is performed between the two electrode layers. In this battery, the positive-electrode layer 20 and the negative-electrode layer 50 are laminated with each other and an insulating layer 30 is placed between the positive-electrode layer 20 and the negative-electrode layer 50. The insulating layer 30 has an area smaller than that of one of the positive-electrode layer 20 and the negative-electrode layer 50 and larger than that of the other. There is no place where the positive-electrode layer 20 and the negative-electrode layer 50 face each other through only the electrolytic layer 40. Even when the electrolytic layer 40 has a pinhole, the presence of the insulating layer 30 between the positive-electrode layer 20 and the negative-electrode layer 50 can suppress short-circuiting between the positive- and negative-electrode layers.
    • 本发明的电池具有在两个电极层之间进行离子传导的正极层20,负极层50和电解质层40。 在该电池中,正极层20和负极层50彼此层叠,并且在正极层20和负极层50之间设置绝缘层30.绝缘层30具有 面积比正极层20和负极层50的面积小。 正电极层20和负电极层50不存在仅通过电解质层40彼此面对的位置。即使当电解质层40具有针孔时,绝缘层30在正极 层20和负极层50可以抑制正极和负极层之间的短路。