摘要:
An object of the present invention is to provide a positive electrode mixture capable of conducting stable charging and discharging with a less amount of gasses generated which has an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium. The present invention relates to a positive electrode mixture comprising carbon black having a bulk density of not more than 0.1 g/cm 3 , a crystallite size of 10 to 40 Å, an iodine adsorption of 1 to 150 mg/g, a volatile content of not more than 0.1% and a metal impurity content of not more than 20 ppm, and a positive electrode active substance having an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium.
摘要翻译:本发明的一个目的是提供一种正极混合物,该正极混合物能够以较少量的产生的气体进行稳定的充放电,其具有基于锂的操作电压或初始晶相转变电压不小于4.5V 。 本发明涉及一种正极混合物,其包含体积密度不大于0.1g / cm 3,微晶尺寸为10至40埃,碘吸附值为1至150毫克/克,挥发物含量为 不超过0.1%,金属杂质含量不超过20ppm,并且具有以锂为基础的工作电压或初始晶相转变电压不小于4.5V的正极活性物质。
摘要:
The present invention relates to Li-Ni composite oxide particles that exhibit a high initial discharge capacity and are excellent in thermal stability when used as a positive electrode active substance for non-aqueous electrolyte secondary batteries, and a process for producing the Li-Ni composite oxide particles. The Li-Ni composite oxide particles of the present invention have a composition of Li x Ni 1-y-a-b Co y M1 a M2 b O 2 wherein x, y, a and b represent 1.00 ‰¤ x ‰¤ 1.10; 0