高比能量锂离子电池硅基负极材料研究进展

谭毅,王凯

Silicon-based Anode Materials Applied in High Specific Energy Lithium-ion Batteries: a Review

Yi TAN,Kai WANG

表1 硅/碳锂离子电池负极材料的电化学性能

Table 1 Electrochemical performance of some silicon/carbon composite anodes for lithium-ion batteries

Composite type Si source Carbon source Electrochemical performance Method Ref. Si/Porous-C Nano-silicon powder Pitch 723.8 mAh/g (1st)600 mAh/g (100 mA/g, 100 )a Spray drying + High-temperature pyrolysis [35] Si@C@RGO Silicon powder (80 nm) Sucrose 1599 mAh/g (1st)1517 mAh/g (100 mA/g, 100 ) Spray drying + High-temperature pyrolysis [36] Si/C/G Silicon powder (325 mesh) Phenol-formaldehyde resin (PFR) 700 mAh/g (1st)550 mAh/g (100 mA/g, 40 ) High-temperature pyrolysis [37] Silicon-sponge Si wafer (>20 μm) Acetylene 790 mAh/g (1st)726 mAh/g (100 mA/g, 300 ) Electrochemical etching+ High-temperature pyrolysis [38] PS@C Si powder (5 μm) Propylene 1980 mAh/g (1st)1287 mAh/g (100 mA/g, 100) Chemical etching + CVD [39] Si/C Al-Si alloy (2-10 μm) Polyacrylonitrile (PAN) 952 mAh/g (1st)826.3 mAh/g (200 mA/g, 300) Chemical etching + High-temperature pyrolysis [30]