摘要:
According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
摘要:
According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
摘要:
According to one embodiment, a battery includes an electrode group, a tab, a conductive nipping member, a case, a lid and a lead. The conductive nipping member includes first and second nipping sections. The first and second nipping sections divide the tab into two bundles in which portions of the tab are laminated onto each other in a thickness direction of the electrode group. The lead includes a connecting section connected electrically to a terminal, and current collecting sections which are two sections branched from the connecting section and sandwiching the nipping member.
摘要:
According to one embodiment, a battery includes an electrode group, a tab, a conductive nipping member, a case, a lid and a lead. The conductive nipping member includes first and second nipping sections. The first and second nipping sections divide the tab into two bundles in which portions of the tab are laminated onto each other in a thickness direction of the electrode group. The lead includes a connecting section connected electrically to a terminal, and current collecting sections which are two sections branched from the connecting section and sandwiching the nipping member.
摘要:
According to one embodiment, there is provided a nonaqueous electrolyte battery. The negative electrode of the battery includes a negative electrode active material which can absorb and release lithium ions at a negative electrode potential of 0.4 V (V.S. Li/Li+) or more. The battery satisfying the following equations (I) and (II): 1≦Q2/Q1 (I) 0.5≦C/A≦0.999 (II)
摘要翻译:根据一个实施例,提供一种非水电解质电池。 电池的负极包括能够以0.4V(V.S.Li / Li +)以上的负极电位吸收和释放锂离子的负极活性物质。 满足以下等式(I)和(II)的电池:1≦̸ Q2 / Q1(I)0.5≦̸ C / A≦̸ 0.999(II)
摘要:
The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode including a positive electrode layer, a negative electrode including a negative electrode layer, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt. The negative electrode layer may contain a negative electrode active material which can insert and release lithium ions at 0.4 V or more (V.S. Li/Li+). The lithium salt may contains LiPF6 with a concentration of less than 50% (including 0%). The non-aqueous electrolyte battery may meet the following two formulas: 1≦Q2/Q1 (I) and 1≦C/A≦2 (II), where Q1 represents a capacitance in a facing portion of the negative electrode, Q2 represents a capacitance in the facing portion of the positive electrode, A represents an area of a surface including the facing portion of the negative electrode of the negative electrode layer, and C represents an area of a surface including the facing portion of the positive electrode of the positive electrode layer.
摘要翻译:本公开描述了具有改善的循环寿命的非水电解质电池。 非水电解质电池包括正极,包括正极层,负极包括负极层,分隔件设置在正极和负极之间,隔离层含有锂盐的非水电解质。 负极层可以含有能够以0.4V以上(V.S.Li / Li +)插入和释放锂离子的负极活性物质。 锂盐可以含有浓度小于50%(包括0%)的LiPF 6。 非水电解质电池可以满足以下两个公式:1≦̸ Q2 / Q1(I)和1≦̸ C / A≦̸ 2(II)其中Q1表示负极的面对部分中的电容,Q2表示 电极在正极的相对部分中,A表示包括负极层的负极的相对部分的表面的面积,C表示包括正极的正极部分的表面的面积 电极层。
摘要:
Disclosed is a flat cell comprising a positive electrode metal plate, a negative electrode metal plate confronted with said positive electrode metal plate, and an adhesive sealing member for sealing the peripheral edge portions of said metal plates, characterized in that said sealing member has a three-layer structure in which ionomer resin pieces are disposed on the opposite sides of a polyethylene piece or an ethylene copolymer piece.
摘要:
According to one embodiment, there is provided a nonaqueous electrolyte battery. The negative electrode of the battery includes a negative electrode active material which can absorb and release lithium ions at a negative electrode potential of 0.4 V (V.S. Li/Li+) or more. The battery satisfying the following equations (I) and (II): 1≦Q2/Q1 (I) 0.5≦C/A≦0.999 (II)
摘要:
A lithium ion secondary battery improved in large-current discharge characteristics, discharge capacity, and cycle life is disclosed. This lithium ion secondary battery includes a positive electrode, a negative electrode comprising a collector and carbon fibers held to the collector for absorbing and desorbing lithium ions, a separator arranged between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The carbon fibers have a radial orientation from an axis of the fibers, and 50 vol % or more of all carbon fibers are arranged such that an angle between an axis of each carbon fiber and a surface of the collector is 45.degree. or less.
摘要:
A method for preparing a positive electrode for a non-aqueous electrolyte cell comprises applying a positive electrode-active material, an electrically conductive agent, a dispersion of polytetrafluoroethylene and a mixture of polyacrylic acid and water on one side or both sides of a supporting material, and then drying the coated supporting material at about 250.degree. C. for 5 to 10 hours.