摘要:
A zinc alkaline secondary battery with improved service life in which a multi-layer separator is interposed between the negative and positive electrodes and the quantity of the alkaline electrolyte in the layer of the separator adjacent to the negative electrode is less than that of the electrolyte in the layer of the separator adjacent to the positive electrode.
摘要:
A non-aqueous electrolyte cell includes a positive electrode, a negative electrode, and an electrolyte consisting of a solute and an organic solvent. The solvent is a solvent mixture of a cyclic carbonate and a non-cyclic carbonate.
摘要:
The present invention discloses a secondary cell. The secondary cell comprises a positive electrode, a negative electrode which is made of a carbon material, and non-aqueous electrolytic solution, wherein the secondary cell is characterized in that the carbon material as the material of the negative electrode is produced by carbonizing natural high polymers.
摘要:
A rechargeable non-aqueous secondary cell comprising a negative electrode; a positive electrode comprising a lithium containing manganese oxide as its active material, wherein the positive electrode has a specific surface area measured by the BET method of 9.0 m.sup.2 /g to 67.5 m.sup.2 /g; and a separator interposed between the positive and the negative electrodes which is impregnated with a non-aqueous electrolyte. A recharageable non-aqueous secondary cell comprising a negative electrode; a positive electrode comprising a lithium containing manganese oxide as its active material, which has grain sizes of substantially 20 .mu.m or less, when observed by a scanning electron microscope; and a separator interposed between the positive and said negative electrodes impregnated with a non-aqueous electrolyte.
摘要:
A non-aqueous electrolyte cell having a positive electrode, a negative electrode and an electrolyte contained in a cell can, the electrolyte including a solute and an organic solvent, the solute comprising lithium trifluoromethanesulfonate. The organic solvent comprises an organic solvent mixture of at least two high boiling point solvents including at least one cyclic carbonates. The negative electrode comprises a lithium alloy. The electrolyte includes a reaction inhibitor added thereto for inhibiting reaction between the cell can and the electrolyte. Further, the lithium trifluoromethanesulfonate is heated, dried and dehydrated in a vacuum at 80.degree.-150.degree. C.
摘要:
A hydrogen-absorbing alloy electrode for use in an alkaline storage cell, comprising a hydrogen-absorbing alloy for reversibly absorbing and desorbing hydrogen; and a metal oxide or metal hydroxide existing in the state of a metal in a range of electric potential where said hydrogen-absorbing alloy electrochemically absorbs and desorbs hydrogen in an alkaline electrolyte.
摘要:
A non-aqueous secondary cell having a compound of manganese oxide, lithium salt and metal oxide as an active material of a positive electrode is disclosed. A negative electrode comprises lithium or lithium alloy. The above positive electrode improves the charge/discharge cycle characteristic and charge/discharge reversibility of the cell and can be produced at a low cost.
摘要:
A non-aqueous secondary cell is provided which is repeatedly chargeable and dischargeable. This cell comprises, as main components thereof, a negative electrode, a positive electrode, and a separator disposed between the positive electrode and negative electrode and impregnated with an electrolyte. The negative electrode has lithium or a lithium alloy as the active material. The positive electrode has as the active material a manganese oxide expressed by a chemical formula Li.sub.1-X Mn.sub.2 O.sub.4 wherein 1.gtoreq.X.gtoreq.0.
摘要:
New electrically conductive material suitable particularly for a secondary battery and a process for preparing the electrically conductive material are provided. The process for the preparation of the electrically conductive material comprises the steps of reacting a compound having conjugated double bonds with an oxidizing agent wherein the oxidizing agent comprises a cupric compound and a nitrile compound. The electrically conductive material comprises grainy polypyrrole obtained by reacting a pyrrole compound with an oxidizing agent which is constituted by primary particles having an average particle size of 0.01 to 0.4 .mu.m and has a press molding density of 1 to 1.6 g/cm.sup.3.
摘要翻译:提供了特别适用于二次电池的新的导电材料和制备导电材料的方法。 制备导电材料的方法包括使具有共轭双键的化合物与氧化剂反应的步骤,其中氧化剂包括二价化合物和腈化合物。 导电材料包括通过使吡咯化合物与平均粒径为0.01〜0.4μm,压模量为1〜1.6g / cm 3的一次粒子构成的氧化剂反应得到的粒状聚吡咯。