POSITIVE POLE MATERIALS

Ni+Co+Mn，w/%                   ≥

58.8±1.5

Li，w/%                          ≤

7.5±1.0

Fe，w/%                          ≤

0.0020

Cu，w/%                          ≤

0.0020

Ca，w/%                          ≤

0.0020

Mg，w/%                         ≤

0.0020

Na，w/%                          ≤

0.0100

Zn，w/%                          ≤

0.0020

Si，w/%                           ≤

0.03

Magnetism undissolved substance，μg/kg    ≤       

30

SO₄^2-，w/%                          ≤

0.1

Cl^-，w/%                           ≤

0.05

H₂O，w/%                           ≤

0.05

Tap density，g/cm³                    ≥

2.3

Specific surface area，m²/g              ≤      

1

D₅₀，μm

8～12

pH（100 g/Lliquor，25℃）

10～12.5

specific discharge capacityfor the first time，mAh/g≥            

155

Charge efficiency for the first time，%  ≥               

85

Cycle  life ,times                     >

500