Polypyrrole is one of the candidate materials as anode of lithium secondary battery for its good stability, easily synthesis, high conductivity and good electrical redox property.

Lithium metal is one of the electrode materials those have the highest specific mass energy, and the lithium secondary battery with lithium metal anode always attracts people’s attentions.

It can be used as anode of lithium secondary battery because of its high conductivity and electrical redox property, high electric charge reserve ability and good stability in air or water.

Preparation of electrode materials for lithium secondary batteries by composite technologies;

The organic sulfides electrode materials for lithium secondary batteries include organodisulfide,orga- nomultisulfide,sulfurized polymers,etc.

The metal sulfides electrode materials for lithium secondary batteries include binary metal sulfides, thiospinels,oxysulfides,and thiophosphates etc.

Study of PPy/SiO_2 nanocomposite as anode for secondary lithium battery;

The diffusion behavior of lithium inγ-vanadium bronze Li1+xV3O8,a hopeful positive activite material for secondary lithium battery,is investigated by electrochemical technology and x-ray diffract analysis.

Research progress,composing and working principle of lithium-ion secondary battery were described in this paper.