Abstract
The efficiency of lithium-ion batteries (LIBs) depends upon anode materials possessing high capacity. In present study, we investigate boron carbide cone anode (BCC) for LIBs. The first-principles density functional theory (DFT) method is used to design anode materials based on BCC for application in LIBs. We found that the BCC shows negative Li adsorption energies. Our results also revealed the fast diffusions of Li ion on the BCC with the small energy barrier of 0.34 eV. The storage capacity of BCC system rank among the highest capacity of anodes for LIBs, with value of 785 mAh/g. The low average open-circuit voltage (OCV) value of BCC system indicates that this anode can handle a large operating voltage in LIBs.
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