摘要:
A positive electrode material for non-aqueous electrolyte secondary batteries having high rate characteristics and high energy density, and a battery using the same are provided. The non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode material, a conductive agent and a binder; a negative electrode; a separator; and a non-aqueous electrolyte, in which the positive electrode material contains core particles and a coating material that covers from 10% to 90% of the surfaces of the core particles, the core particles are formed of a compound represented by LiaMbPO4 (wherein M represents at least one element selected from Fe, Mn, Co and Ni, and satisfies the relations: 0
摘要:
A positive electrode material for non-aqueous electrolyte secondary batteries having high rate characteristics and high energy density, and a battery using the same are provided. The non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode material, a conductive agent and a binder; a negative electrode; a separator; and a non-aqueous electrolyte, in which the positive electrode material contains core particles and a coating material that covers from 10% to 90% of the surfaces of the core particles, the core particles are formed of a compound represented by LiaMbPO4 (wherein M represents at least one element selected from Fe, Mn, Co and Ni, and satisfies the relations: 0
摘要:
A nonaqueous electrolyte battery includes a negative electrode and a positive electrode. The negative electrode includes a negative electrode current collector and a negative electrode active material having a lithium ion absorption potential of 0.4 V (vs. Li/Li+) or more. The negative electrode current collector is made of aluminum or an aluminum alloy. The positive electrode includes a positive electrode current collector and a positive electrode active material. The positive electrode current collector has a total area and specific capacitance larger than those of the negative electrode current collector, and is made of aluminum or an aluminum alloy.
摘要翻译:非水电解质电池包括负极和正极。 负极包括负极集电体和锂离子吸收电位为0.4V(相对于Li / Li +)以上的负极活性物质。 负极集电体由铝或铝合金制成。 正极包括正极集电体和正极活性物质。 正极集电体的总面积和比电容比负极集电体大,由铝或铝合金制成。
摘要:
A non-aqueous electrolyte secondary battery includes a positive electrode containing lithium-iron phosphate, and a negative electrode containing a lithium-titanium composite oxide and a lithium composite oxide which is different from the lithium-titanium composite oxide. The lithium composite oxide has a potential of 2.5 to 3V vs. Li/Li+ at a lithium absorption/desorption and a spinel-type crystal structure.
摘要翻译:非水电解质二次电池包括含有磷酸铁锂的正极和含有锂钛复合氧化物的负极和与锂钛复合氧化物不同的锂复合氧化物。 锂复合氧化物在锂吸收/解吸和尖晶石型晶体结构中具有2.5至3V的相对于Li / Li +的电位。
摘要:
A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The positive electrode includes a lithium/manganese-containing oxide represented by LiaMnbMcOZ (M is at least one selected from the group consisting of Ni, Co, Al and F, and a, b, c and Z satisfy the following equations: 0≦a≦2.5, 0
摘要:
A nonaqueous-electrolyte battery includes a positive electrode, a negative electrode which is constituted of a negative-electrode current collector and a layer containing a negative active material and deposited on one or each side of the negative-electrode current collector and in which the layer contains at least one member selected from lithium carbonate, lithium sulfide, lithium phosphide, and lithium fluoride and further contains a lithium-titanium composite oxide, and a nonaqueous electrolyte.
摘要:
A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. At least one of the positive electrode and the negative electrode comprises a current collector made of aluminum or an aluminum alloy and an active material layer laminated on the current collector. The active material layer contains first active material particles having an average particle diameter of 1 μm or less and a lithium diffusion coefficient of 1×10−9 cm2/sec or less at 20° C., and second active material particles having an average particle diameter of 2 to 50 μm. A true density of the second active material particles is larger by 0.01 to 2.5 g/cm3 than a true density of the first active material particles.
摘要:
A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case and capable of absorbing-releasing Li, and a negative electrode provided in the case and containing an alloy that has a La3Co2Sn7 type crystal structure.
摘要翻译:非水电解质二次电池包括壳体,设置在壳体中的非水电解质,设置在壳体中并且能够吸收释放锂的正极以及设置在壳体中的负极,并且包含具有La 3 Co 2 Sn 7型晶体的合金 结构体。
摘要:
A method of producing an electrode including decreasing a yield stress of a slurry containing an active material to two-thirds or less, and applying the slurry to a current collector.