Abstract
AbstractHigh‐performance electric energy storage material has recently developed due to the attention for sustainable development. As ecofriendly energy storage device, lithium ion batteries and sodium ion batteries deserve more concern today. FePO4 and NaFePO4 share similar advantages such as easy preparation, abundant, and inexpensive, so they can be ideal materials for lithium/sodium ion batteries. This review is focused on recent progresses in nanostructured FePO4/NaFePO4‐based nanomaterial as cathode materials for lithium/sodium ion batteries. FePO4‐based materials contain crystalline and amorphous pure FePO4 nanomaterial, FePO4/C compounds, and other novel materials with unique morphologies. NaFePO4‐based materials contain olivine NaFePO4, Na4FeP2O7, and so on. They own unique properties, including preferable energy density, cycling performance, electrical conductivity, and charge/discharge stability. This review is designed to summarize the synthesis, morphology, and electrochemical property and application of FePO4‐based and NaFePO4‐based nanomaterials. There exist relations among the structure, property, and storage, which is also introduced. Furthermore, this review assesses the challenges and outlooks of FePO4/NaFePO4‐based nanomaterial for future development; it also sheds light on appropriate development direction of advanced rechargeable batteries with a focus on FePO4/NaFePO4‐based nanomaterial.
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