摘要:
Active material is obtained by sintering a precursor, has a layered structure and is represented by the following formula (1). The temperature at which the precursor becomes a layered structure compound in its sintering in atmospheric air is 450° C. or less. Alternatively, the endothermic peak temperature of the precursor when its temperature is increased from 300° C. to 800° C. in its differential thermal analysis in the atmospheric air is 550° C. or less. LiyNiaCobMncMdOxFz (1) In formula (1), the element M is at least one of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba, and V and 1.9≦(a+b+c+d+y)≦2.1, 1.0≦y≦1.3, 0
摘要翻译:通过烧结前体获得活性物质,具有层状结构并由下式(1)表示。 在大气中烧结时,前体成为层状结构化合物的温度为450℃以下。 或者,当前体在大气中的差热分析中其温度从300℃升高至800℃时,其吸热峰温度为550℃以下。 LiyNiaCobMncMdOxFz(1)在式(1)中,元素M为Al,Si,Zr,Ti,Fe,Mg,Nb,Ba和V中的至少一种,1.9(a + b + c + d + y) @ 2.1,1.0 @ y @ 1.3,0
摘要:
An active material having high capacity and excellent charging/discharging cycle durability at high potential is provided. The active material has a layered structure and is represented by the following composition formula (1): LiyNiaCobMncMdOxFz1Pz2 (1) wherein the element M is at least one element selected from the group consisting of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba and V, and 1.9≦(a+b+c+d+y)≦2.1, 1.0≦y≦1.3, 0
摘要翻译:提供了具有高容量和高电位优良充电/放电循环耐久性的活性材料。 活性材料具有层状结构,并由以下组成式(1)表示:LiyNiaCobMncMdOxFz1Pz2(1)其中元素M为选自Al,Si,Zr,Ti,Fe,Mg, Nb,Ba和V和1.9 @(a + b + c + d + y)@ 2.1,1.0 @ y @ 1.3,0
摘要:
An active material having high capacity and excellent charging/discharging cycle durability at high potential is provided. The active material has a layered structure and is represented by the following composition formula (1): LiyNiaCobMncMdOxFz1Pz2 (1) wherein the element M is at least one element selected from the group consisting of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba and V, and 1.9≦(a+b+c+d+y)≦2.1, 1.0≦y≦1.3, 0
摘要翻译:提供了具有高容量和高电位优良充电/放电循环耐久性的活性材料。 活性材料具有层状结构,并由以下组成式(1)表示:LiyNiaCobMncMdOxFz1Pz2(1)其中元素M为选自Al,Si,Zr,Ti,Fe,Mg, Nb,Ba和V以及1.9和nlE;(a + b + c + d + y)≦̸ 2.1,1.0≦̸ y≦̸ 1.3,0
摘要:
A method for manufacturing an active material, capable of improving the discharge capacity of a lithium ion secondary battery is provided. The method for manufacturing an active material according to the present invention includes a first step of heating a mixture solution including a lithium source, a phosphate source, a vanadium source, and water under pressure to generate a precursor in the mixture solution, and adjusting the pH of the mixture solution including the precursor to be 6 to 8; and a second step of heating the precursor at 425 to 650° C. after the first step to generate an active material.