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In this research, we investigate the stability of a Li-ion cathode created by mixing a borate based glass which has been doped with Ni/Co and vanadium pentoxide (V 2 O 5 ). V 2 O 5 has a high specific capacity in battery systems because of its layered structure and variety of oxidation states. However, due to the flimsy structure, the capacity stability of V 2 O 5 is fairly low. In this case, we seek to overcome the problem by mixing Ni/Co-doped borate based glass. The voltage-capacity graph demonstrates that the form of the glass mix was changed from a stairway shape to a straight line while the capacity was not much decreased. The crystallography study using X-ray diffractograms looked at whether the cycling test had changed the crystal structure of V 2 O 5 . The X-ray Absorption Near Edge Structure (XANES) results also reveal that V 2 O 5 's oxidation state changed from V 5+ to V 4+ . The glass mix can retain more of the V 5+ state, indicating that glass mixture helps to release the Li-ions trapped in the structure. The findings of this study might contribute to the rapid advancement of renewable energy and electric vehicle technology.

Enhancement of V2O5Li-ion cathode stability by Ni/Co doped Li-borate-based glass

Enhancement of V₂O₅Li-ion cathode stability by Ni/Co doped Li-borate-based glass