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    • 62. 发明授权
    • Lithium-ion battery and use thereof
    • 锂离子电池及其用途
    • US08658305B2
    • 2014-02-25
    • US12988537
    • 2009-04-10
    • Ryuta Morishima
    • Ryuta Morishima
    • H01M2/16H01M4/00H01M4/13
    • H01M10/0587H01M10/345H01M10/48Y10T29/49115
    • The lithium-ion battery provided by the present invention has an electrode assembly (30) obtained by superposing and winding together a long continuous positive electrode sheet (32) and negative electrode sheet (34) with a separator (35) interposed therebetween. An active material layer (344) is formed on the negative electrode sheet (34), with a band-shaped margin being left on one edge thereof along the lengthwise direction of the collector (342). The above band-shaped portion (342a) sticks out beyond the edge of the positive electrode sheet (32). On the exterior surface of the negative active material layer (344), a porous inorganic layer (346) is formed starting at the flat part (344a) of the active material layer, wrapping around the edge (344b) thereof, and extending to the surface of the collector (342). The porosity Pa at the edge (344b) of the inorganic layer (346) is less than the porosity Pb at the flat part (344a) thereof.
    • 本发明提供的锂离子电池具有通过将长连续的正极片(32)和负极片(34)与夹在其间的隔膜(35)叠合在一起而获得的电极组件(30)。 活性物质层(344)形成在负极片(34)上,带状边缘沿着集电体(342)的长度方向留在其一个边缘上。 上述带状部分(342a)伸出正电极片(32)的边缘之外。 在负极活性物质层(344)的外表面上,从活性物质层的平坦部分(344a)开始形成多孔无机层(346),绕其边缘(344b)缠绕,并延伸到 收集器(342)的表面。 无机层(346)的边缘(344b)的孔隙率Pa小于其平坦部分(344a)处的孔隙率Pb。
    • 70. 发明申请
    • Low Co Hydrogen Storage Alloy
    • 低钴储氢合金
    • US20130157132A1
    • 2013-06-20
    • US13769854
    • 2013-02-19
    • MITSUI MINING & SMELTING CO., LTD.
    • Daisuke MukaiShigeki NakayamaKiyotaka YasudaShinya KageiHidetoshi Inoue
    • H01M4/38
    • H01M4/383C01B3/0057C01P2002/77C22C19/007H01M4/385H01M10/345Y02E60/327
    • A hydrogen storage alloy is provided which has an extremely low Co content, and can maintain the drain (power) performance (especially pulse discharge characteristics), activity (degree of activity), and life performance at high levels. The hydrogen storage alloy is manufactured by weighing and mixing every material for the hydrogen storage alloy so as to provide an alloy composition represented by the general formula MmNiaMnbAlcCod or MmNiaMnbAlcCodFee, and controlling the manufacturing method and manufacturing conditions so that both the a-axis length and the c-axis length of the crystal lattice are in a predetermined range. Although it is sufficient if the a-axis length of the crystal lattice is 499 pm or more and the c-axis length is 405 pm or more, by further specifying the a-axis length and c-axis length depending on the values of ABx, a hydrogen storage alloy having high durability can be provided.
    • 提供了具有极低Co含量的储氢合金,能够维持排水(功率)性能(特别是脉冲放电特性),活性(活度),寿命性能高。 通过对储氢合金的每种材料进行称量和混合来制造储氢合金,以提供由通式MmNiaMnbAlcCod或MmNiaMnbAlcCodFee表示的合金组成,并且控制制造方法和制造条件,使得a轴长度和 晶格的c轴长度在预定范围内。 虽然如果晶格的a轴长度为499μm以上且c轴长度为405μm以上,则通过根据ABx的值进一步确定a轴长度和c轴长度即可, 可以提供耐久性高的储氢合金。