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Constructing unique mesoporous 2D Si nanostructures to shorten the lithium‐ion diffusion pathway, facilitate interfacial charge transfer, and enlarge the electrode–electrolyte interface offers exciting opportunities in future high‐performance lithium‐ion batteries. However, simultaneous realization of 2D and mesoporous structures for Si material is quite difficult due to its non‐van der Waals structure...
In article number 1703361, Zhuo Chen, Chuanbao Cao, Min Xia, and co‐workers report that 2D ultrathin mesoporous silicon (Si) nanosheets with a homogeneous carbon layer achieve remarkably enhanced lithium‐storage properties, cycle stability and rate capability, which can be attributed to the coexistence of both the homogeneous carbon layer, and 2D mesoporous nanostructures in the Si materials to shorten...
By reaction of cerous nitrate with oxalic acid in the presence of surfactant polyvinylpyrrolidone at room temperature, lamellar cerium oxalate complex was obtained facilely. After calcination, CeO2 was produced, which inherited its parents’ morphology and was assembled by porous micro-nano lamellas. The as-prepared lamellar CeO2 had narrow pore distributions with pore diameters being 2.0–10.0 nm and...
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