Na0.5Bi0.5TiO3-BiMnO3(NBT-BM)limited solid solution films were fabricated to investigate the lattice modification on the energy storage performances.The introduction of the BM solute lattice induces the NBT solvent la...Na0.5Bi0.5TiO3-BiMnO3(NBT-BM)limited solid solution films were fabricated to investigate the lattice modification on the energy storage performances.The introduction of the BM solute lattice induces the NBT solvent lattices undergoing the transition from the pure phase,solid solution,solubility limit to precipitation.Correspondingly,the polarization states transfer from the macroscopic ferroelectric domains to nanodomains then to compound ferroelectric domains.The introduction of BiMnO3 generates great lattice changes including the local lattice fluctuation and the large lattice stretching,which enhance the energy storage performances,with the energy storage efficiency being enhanced from 39.2%to 53.2%and 51.7%and the energy density being enhanced from 33.1 J/cm3 to 76.5 J/cm^3 and 83.8 J/cm^3 for the BM components of 2%and 4%,respectively.The lattice modifications play a key role in the energy storage performances for limited solid solution films,which provides an alternative strategy for energy storage material.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.11864028 and 11564028)Inner Mongolia Science Foundation,China(Grant No.2018MS01003).
文摘Na0.5Bi0.5TiO3-BiMnO3(NBT-BM)limited solid solution films were fabricated to investigate the lattice modification on the energy storage performances.The introduction of the BM solute lattice induces the NBT solvent lattices undergoing the transition from the pure phase,solid solution,solubility limit to precipitation.Correspondingly,the polarization states transfer from the macroscopic ferroelectric domains to nanodomains then to compound ferroelectric domains.The introduction of BiMnO3 generates great lattice changes including the local lattice fluctuation and the large lattice stretching,which enhance the energy storage performances,with the energy storage efficiency being enhanced from 39.2%to 53.2%and 51.7%and the energy density being enhanced from 33.1 J/cm3 to 76.5 J/cm^3 and 83.8 J/cm^3 for the BM components of 2%and 4%,respectively.The lattice modifications play a key role in the energy storage performances for limited solid solution films,which provides an alternative strategy for energy storage material.
