Abstract
The composite cathodes were prepared using carbon wool as a current collector, where carbon-coated LiFePO4 fine particles and acetylene black particles were applied as active material and conducting additive, respectively. The composite electrodes were thick film with sufficiently high active material loading. From the electrochemical redox test, they had almost the same energy density at low current density as the ordinary electrode on Al current collector. Simultaneously, the composite electrodes exhibited larger current density as compared with that of the ordinary electrode. According to the results, it is possible to fabricate the composite electrodes suitable to the battery application combining high-energy and high-power performance.
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