期刊
RSC ADVANCES
卷 5, 期 115, 页码 95073-95078出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra19056h
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资金
- National Research Foundation of Korea [NRF-2014H1C1A1066977]
- Commercializations Promotion Agency for R&D Outcomes (COMPA) - Ministry of Science, ICT and Future Planning (MISP)
- Human Resource Training Program for Regional Innovation and Creativity through the Ministry of Education
- National Research Foundation of Korea [2014H1C1A1066977] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
To investigate the synergistic effect of different types of conductive additives on the cathode performance of lithium-ion batteries, various types of cathode materials containing different ratios of vapor-grown carbon fibers (VGCFs) and carbon black (Super-P) are investigated. The pillar-like morphology of the VGCFs enabled them to efficiently connect to the active materials and hence, the highest electrical conductivity of LiCoO2 and LiFePO4 (both of which are composed of primary particles) was achieved with the VGCFs. On the other hand, for LiNi0.6Co0.2Mn0.2-O-2, composed of micro-sized secondary particles embedded with nano-sized primary particles, improved electrical conductivity was achieved with a mixture of VGCF and Super-P via synergistic action.
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