摘要:
The present invention provides a lithium polymer secondary battery having at least a basic battery cell including a positive electrode, a negative electrode and a polymer electrolyte in an outer can, wherein the battery has a suitable structure to use the polymer electrolyte polymerized in the battery and has excellent cycle characteristics. One of the electrodes is U-shaped and the other electrode is inserted in the U-shaped electrode. The polymer electrolyte includes a polymer containing a polyalkylene oxide structure and a solvent and is polymerized in the battery. The thickness of the battery is not greater than 2 mm.
摘要:
A sealed alkaline storage battery using, as a positive electrode active material, nickel oxyhydroxide including Mn as a solid-solution element and having a &ggr; ratio of 65 through 100%; a sealed alkaline storage battery using, as a positive electrode active material, nickel oxyhydroxide including as an additive or coated with a rare earth element and/or a rare earth compound in a ratio measured based on the rare earth element of 0.05 through 5 wt %; and a sealed alkaline storage battery including, as a positive electrode active material, nickel oxyhydroxide having a half-width of a peak in a lattice plane (003) in an X-ray diffraction pattern of 0.8° or more. The pressure within the battery is not largely increased for a long period of charge-discharge cycles, and hence, the electrolyte hardly leaks.
摘要:
In a lithium secondary battery provided with a positive electrode capable of intercalating and eliminating lithium ions, a negative electrode capable of intercalating and eliminating lithium ions, and an electrolyte, at least one of an imide group lithium salt represented by LiN(CmF2m+1SO2)(CnF2n+1SO2) (wherein m and n each denote an integer of 1 to 4 and may be the same or different from each other) and a methide group lithium salt represented by LiC(CpF2p+1SO2)(CqF2q+1SO2)(CrF2r+1SO2) (wherein p, q, and r each denote an integer of 1 to 4 and may be the same or different from each other) is contained as a chief component of a solute in the electrolyte, and one of or both of a fluoride and a phosphorus compound are added to the electrolyte.
摘要翻译:在锂二次电池中,能够插入并除去锂离子的正极,能够插入和除去锂离子的负极和电解质,由LiN(CmF 2 m + 1 SO 2)表示的酰亚胺基锂盐中的至少一种, (C n F 2n + 1 SO 2)(其中m和n各自表示1〜4的整数,可以相同或不同)和由LiC(CpF 2 p + 1SO 2)(CqF 2 q + 1SO 2)(CrF 2 r)表示的甲基化锂盐 + 1SO 2)(其中p,q和r各自表示1〜4的整数,彼此可以相同或不同)作为电解质中的溶质的主要成分,其中, 氟化物和磷化合物加入到电解质中。
摘要:
A rechargeable lithium battery includes a negative electrode containing lithium as an active material, a positive electrode containing a lithium-manganese complex oxide as an active material and a nonaqueous liquid electrolyte containing a solvent, a solute and trialkyl phosphite.
摘要:
A rechargeable lithium battery has a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive or negative electrode contains, as its active material, a complex oxide comprising a material represented by the compositional formula MxTi1−xO2 and including an anatase-form crystal structure phase, wherein M is at least one metallic element selected from V, Mn, Fe, Co, Ni, Mo and Ir and x satisfies the relationship 0
摘要:
A lithium secondary cell having incorporated therein a positive electrode or negative electrode active substance which is a compound sulfide having substantially the same crystal structure as stannous sulfide (SnS) or a lithium-containing compound sulfide comprising said compound sulfide and lithium contained therein, said compound sulfide comprising at least one transition metal selected from among copper (Cu), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co) and nickel (Ni), tin and sulfur. This stabilizes the crystal structure of SnS serving as the active substance, giving the cell practically useful charge-discharge cycle characteristics.
摘要:
The solid electrolytic capacitor of the invention contains an anode, a dielectric film formed on the anode by anodic oxidation, a solid electrolytic layer formed on the dielectric film, and a cathode connected with the solid electrolytic layer, the solid electrolytic layer being made from a conducting polymer obtained by doping with alkyl sulfonic acid ions, a polymer including a heterocyclic monomer unit represented by the following general formula as a repeating unit: The solid electrolytic capacitor of the invention has large capacitance and exhibits low impedance in a high frequency region.
摘要:
A lithium battery comprising a positive electrode, a negative electrode and a nonaqueous electrolyte containing a a solute and a solvent, wherein the positive electrode comprises a positive-electrode active material of lithium-manganese complex oxide containing boron and phosphorus.
摘要:
A sealed alkaline-zinc storage battery includes a battery can, a hollow positive electrode disposed within the battery can in electrical contact therewith and containing a positive active material including nickle hydroxide, a negative electrode disposed inwardly of the positive electrode and containing a negative active material including zinc, a separator disposed between the positive and negative electrodes, a negative current collector inserted into the negative electrode, and an alkaline electrolyte filled in the battery can and impregnated into the positive electrode, negative electrode and separator. The positive electrode, negative electrode, separator, negative current collector and electrolyte together account for at least 75% of an internal volume of the battery can. The alkaline electrolyte is in the 30 to 45 mass % concentration range and has a total water content in the range of 0.5 to 0.9 g for each theoretical capacity of the negative electrode expressed as 1 Ah (ampere-hour).
摘要:
A hydrogen-absorbing alloy electrode for an alkaline secondary battery. The electrode is prepared by adding a transition metal salt to a paste comprising a hydrogen-absorbing alloy powder and binder. The electrode improves charge-discharge cycle performance and high rate discharge capacity at low temperature of an alkaline secondary battery.