The influence of conductive additives on the performance of a SiO/C composite anode in lithium-ion batteries

TENG Xin; XU Hong-liang; LIU Qi; SHI Li-li; GAI Liang; WANG Lei; YANG Yu-sheng; WU Feng

doi:10.1016/S1872-5805(17)60138-0

Volume 32 Issue 6

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Article Navigation > New Carbon Mater. > 2017 > 32(6): 572-580

TENG Xin, XU Hong-liang, LIU Qi, SHI Li-li, GAI Liang, WANG Lei, YANG Yu-sheng, WU Feng. The influence of conductive additives on the performance of a SiO/C composite anode in lithium-ion batteries. New Carbon Mater., 2017, 32(6): 572-580. doi: 10.1016/S1872-5805(17)60138-0

Citation:

TENG Xin, XU Hong-liang, LIU Qi, SHI Li-li, GAI Liang, WANG Lei, YANG Yu-sheng, WU Feng. The influence of conductive additives on the performance of a SiO/C composite anode in lithium-ion batteries. New Carbon Mater., 2017, 32(6): 572-580. doi: 10.1016/S1872-5805(17)60138-0

Citation:

TENG Xin, XU Hong-liang, LIU Qi, SHI Li-li, GAI Liang, WANG Lei, YANG Yu-sheng, WU Feng. The influence of conductive additives on the performance of a SiO/C composite anode in lithium-ion batteries. New Carbon Mater., 2017, 32(6): 572-580. doi: 10.1016/S1872-5805(17)60138-0

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The influence of conductive additives on the performance of a SiO/C composite anode in lithium-ion batteries

doi: 10.1016/S1872-5805(17)60138-0

Beijing Key Laboratory of Environment Science and Engineering, School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

Funds: Program for New Century Excellent Talents in University (NCET-12-0047);National Basic Research Program of China (2015CB251100);Program of Beijing Higher Institution Engineering Research Center of Power Battery and Chemical Energy Materials.

Received Date: 2017-06-23
Accepted Date: 2017-12-28
Rev Recd Date: 2017-10-10
Publish Date: 2017-12-28

Abstract

Abstract

Two conductive additives, carbon black (Super-P) and vapor-grown carbon fibers (VGCFs), were used in 2.5 Ah Li ion batteries using LiCoO₂ as the cathode and a SiO/C composite as the anode. The electrode shape, peel strength, electrolyte absorption, electrolyte storage capacity, volume change and the electrochemical performance were investigated. Results indicate that both batteries have high energy densities (more than 600 Wh/L), but the batteries with VGCFs have the better low temperature performance, longer cycle life, higher rate capability and lower volume expansion, which is ascribed to the superior conductive network formed by the VGCFs.
- SiO/C anode Lithium-ion battery,
- VGCF,
- Rate capabilities,
- Cycle life

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References(19)

References

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