Abstract
N-doped biomass-derived porous carbon (N/C) with a 3D framework and large specific surface area was obtained by carbonizing bagasse biomass waste with melamine as nitrogen source. The obtained N/C has macroporous structures, rich mesoporous and microporous structures. The multi-grade pore structure can not only increase the specific surface area, but also effectively provide multi-layer electron transmission channels. N-doping can greatly enhance the interaction between anchor sites and lithium ions, because it can alter local electron density, which is conducive to lithium-ion adsorption and anchoring. As anode of lithium ion batteries (LIBs), it exhibits excellent reversible specific capacity of 530 mAh g−1 at 0.1 A g−1 after 100 cycles. Furthermore, this study demonstrates the employment of natural waste material as a potential anode for LIBs, which will definitively make a strike in the energy storage field.
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