SECONDARY BATTERY AND ELECTRIC APPARATUS

Abstract: a secondary battery and an electric apparatus are disclosed. the secondary battery includes a battery housing and a positive electrode plate, a negative electrode plate, a separator, and an electrolyte that are within the battery housing. the separator is arranged between the positive electrode plate and the negative electrode plate. the positive electrode plate includes a positive electrode active material layer that includes a first positive electrode active material and a second positive electrode active material. the first positive electrode active material includes linicommor′, where 0.75≤a<1.2, 0<b<1, 0<c<1, 0<d<1, 0≤e<0.2, 1<f≤2.5, 0≤g≤1, f+g<3, and mis element mn and/or element al. the second positive electrode active material includes limmna′peo, where −0.100≤x≤0.100, 0≤n≤1.1, 0.001≤y≤1, 0≤z≤0.100, and a′ includes one or more elements of zn, al, na, k, mg, mo, w, ti, v, zr, fe, ga, sn, sb, nb, and ge. the secondary battery satisfies:

Inventor(s): Yibo SHANG, Jianfu PAN, Xiaofu XU, Yiming QIN, Xinyu ZHANG, Qian LIU, Yonghuang YE

CPC Classification: H01M4/366 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY)

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