Secondary cell
    6.
    发明授权
    Secondary cell 失效
    二次电池

    公开(公告)号:US5378561A

    公开(公告)日:1995-01-03

    申请号:US937728

    申请日:1992-09-01

    摘要: The present invention provides a secondary cell with an enlarged capacity, therefore enlarging a discharge capacity as well as improving charge/discharge cycle characteristics. The secondary cell has a carbon material for a negative electrode, wherein the spacing of (002) planes d.sub.002, a true density, a crystallite size in the direction of c axis Lc, a and specific surface area of the carbon material are restricted to ranges of 3.39.ANG. to 3.62.ANG., 1.70 g/cc to 2.20 g/cc, 10.ANG. to 50.ANG., and 2 m.sup.2 /g to 50 m.sup.2, respectively. The carbon material is selected from a carbon material group consisting of needle cokes, pitch cokes, and coke derived from furfuryl alcohol.

    摘要翻译: 本发明提供一种具有放大容量的二次电池,因此放大放电容量以及改善充电/放电循环特性。 二次电池具有用于负极的碳材料,其中(002)面d002的间隔,真实密度,c轴Lc方向的微晶尺寸a和碳材料的比表面积被限制在范围内 3.39 ANGSTROM至3.62 ANGSTROM,1.70 g / cc至2.20 g / cc,10 ANGSTROM至50 ANGSTROM,分别为2 m2 / g至50 m2。 碳材料选自由针状焦炭,沥青焦炭和源自糠醇的焦炭组成的碳材料组。

    Secondary battery and manufacturing method therefor
    7.
    发明授权
    Secondary battery and manufacturing method therefor 失效
    二次电池及其制造方法

    公开(公告)号:US5358805A

    公开(公告)日:1994-10-25

    申请号:US21242

    申请日:1993-02-23

    摘要: A secondary battery is comprised at a positive electrode, an electrolyte and a negative electrode which intercalates lithium reversibly. The negative electrode uses a carbon compound having a crystal structure of graphite in which carbon (C) is partially replaced by both boron (B) and nitrogen (N) and has the formula BC.sub.3 N or in which (C) is partially replaced by boron (B) and has the formula BC.sub.3. In the battery, the positive electrode may be a metal chalcogen or metal oxide, such as FeS.sub.2, MoS.sub.2, TiS.sub.2, LiNiO.sub.2, LiMn.sub.2 O.sub.3, LiFeO.sub.2 LiCoO.sub.2 or MnO.sub.2. The electrolyte may be a nonaqueous electrolyte or a solid electrolyte. The non-aqueous electrolyte uses an organic solvent and a lithium salt.

    摘要翻译: 二次电池包括在可逆地插入锂的正极,电解质和负极上。 负极使用具有石墨晶体结构的碳化合物,其中碳(C)部分被硼(B)和氮(N)替代,并且具有式BC3N或其中(C)部分被硼替代 B)并具有公式BC3。 在电池中,正极可以是金属硫族元素或金属氧化物,例如FeS 2,MoS 2,TiS 2,LiNiO 2,LiMn 2 O 3,LiFeO 2 + L,LiCoO 2或MnO 2。 电解质可以是非水电解质或固体电解质。 非水电解质使用有机溶剂和锂盐。

    Secondary cell
    8.
    发明授权
    Secondary cell 失效
    二次电池

    公开(公告)号:US4840858A

    公开(公告)日:1989-06-20

    申请号:US206056

    申请日:1988-06-13

    IPC分类号: H01M10/0569

    CPC分类号: H01M10/0569

    摘要: A rechargeable secondary cell having the following as main components: a positive electrode formed of a conductive polymer, a negative electrode, a separator disposed between the positive and negative electrodes, an electrolyte comprising a mixed solvent of .gamma.-butyrolactone and a cyclic carbonic ester compound or ethylene carbonate, each being expressed by the following chemical formula. ##STR1## (where R.sup.1 is a lower alkyl group having 1-3 carbon atoms and R.sup.2 is a hydrogen atom or a methyl group, R.sup.2 being a hydrogen atom, and R.sup.1 being a group other than the methyl group.)

    摘要翻译: 具有以下主要成分的可再充电二次电池:由导电性聚合物形成的正极,负极,设置在正极和负极之间的隔膜,包含γ-丁内酯和环状碳酸酯化合物的混合溶剂的电解质 或碳酸亚乙酯,各自由以下化学式表示。 (其中,R 1为具有1-3个碳原子的低级烷基,R 2为氢原子或甲基,R 2为氢原子,R 1为甲基以外的基团。