Hydrothermal synthesis of LiNi0.9Co0.1O2 cathode materials

Ultrafine powders of LiNi0.9Co0.1O2 were prepared under mild hydrothermal conditions. The product was characterized by XRD, TEM and EDS tests, which indicated that the obtained products were pure and well-crystallized LiNi0.9Co0.1O2. The ICP-AES results indicated the products were lithium-deficient compounds. The addition of KOH hardly effected the crystallinity of the product but gave larger crystals.