Journal ArticleDOI
Rationally Designed Hierarchical TiO2@Fe2O3 Hollow Nanostructures for Improved Lithium Ion Storage
Jingshan Luo,Xinhui Xia,Yongsong Luo,Cao Guan,Jilei Liu,Xiaoying Qi,Chin Fan Ng,Ting Yu,Hua Zhang,Hong Jin Fan +9 more
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TLDR
In this paper, an atomic layer deposition (ALD) and sacrificial template-assisted hydrolysis were used to construct a hierarchical hollow TiO2@Fe2O3 nanostructures for the application of lithium ion battery.Abstract:
Hollow and hierarchical nanostructures have received wide attention in new-generation, high-performance, lithium ion battery (LIB) applications. Both TiO2 and Fe2O3 are under current investigation because of their high structural stability (TiO2) and high capacity (Fe2O3), and their low cost. Here, we demonstrate a simple strategy for the fabrication of hierarchical hollow TiO2@Fe2O3 nanostructures for the application as LIB anodes. Using atomic layer deposition (ALD) and sacrificial template-assisted hydrolysis, the resulting nanostructure combines a large surface area with a hollow interior and robust structure. As a result, such rationally designed LIB anodes exhibit a high reversible capacity (initial value 840 mAh g−1), improved cycle stability (530 mAh g−1 after 200 cycles at the current density of 200 mA g−1), as well as outstanding rate capability. This ALD-assisted fabrication strategy can be extended to other hierarchical hollow metal oxide nanostructures for favorable applications in electrochemical and optoelectronic devices.read more
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Synthesis of Cd2SnO4–SnO2 hybrid micro-cubes with enhanced electrochemical performance for lithium-ion batteries
TL;DR: In this paper, the NH4F was used in the formation of the Cd2SnO4-SnO2 micro-cubes assembled from fine nanoparticles, which exhibited an enhanced reversible capacity of 523.4 mAh at 100 mA g−1 after 25 cycles.
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FeC2O4@Fe2O3/rGO composites with a novel interfacial characteristic and enhanced ultrastable lithium storage performance
TL;DR: In this article, a facile and scalable approach is developed to synthesize multilayer FeC2O4 coated with Fe2O3 nanodots and adsorbed on flexible conductive rGO matrix, which exhibits great potential as an anode material for high-rate and stable-cycling performance.
Journal ArticleDOI
Free-standing transition metal oxide electrode architectures for electrochemical energy storage
TL;DR: In this article, a review summarizes several of the most common approaches for developing free-standing binder-free electrode architectures of transition metal oxides that aim to achieve simultaneous high energy and high power for the next generation of electrochemical energy storage devices.
Journal ArticleDOI
Edge sites-driven accelerated kinetics in ultrafine Fe2O3 nanocrystals anchored graphene for enhanced alkali metal ion storage
Pierre-Andre Horth,Yingying Zhang,Qian Wang,Christoph Singer,Kai Zhu,Ke Ye,Guiling Wang,Dianxue Cao,Jun Yan +8 more
TL;DR: In this article, the kinetics enhanced ultrafine Fe2O3 nanocrystals well anchored on graphene are prepared for high-rate lithium and sodium storage, which can provide abundant electrochemical active edge sites, short ion/electron diffusion pathways and excellent electrical conductivity, allowing for enhanced electron/ion transport/diffusion kinetics.
Journal ArticleDOI
Study of TiO2-Coated α-Fe2O3 Composites and the Oxygen-Defects Effect on the Application as the Anode Materials of High-Performance Li-Ion Batteries
Yangzhou Ma,Yangzhou Ma,Zhang Li,Zhenfei Cai,Xuanning Huang,Bo Ding,Zishan Ahsan,Guangsheng Song,Youlong Xu,Weidong Yang,Cuie Wen +10 more
TL;DR: In this article, a TiO2-coated Fe2O3 composites exhibiting high electrochemical stability with oxygen defects were synthesized as the anode materials of Li-ion batteries using an easy sol-gel method.
References
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Journal ArticleDOI
Issues and challenges facing rechargeable lithium batteries
TL;DR: A brief historical review of the development of lithium-based rechargeable batteries is presented, ongoing research strategies are highlighted, and the challenges that remain regarding the synthesis, characterization, electrochemical performance and safety of these systems are discussed.
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Building better batteries
TL;DR: Researchers must find a sustainable way of providing the power their modern lifestyles demand to ensure the continued existence of clean energy sources.
Journal ArticleDOI
Electrical Energy Storage for the Grid: A Battery of Choices
TL;DR: The battery systems reviewed here include sodium-sulfur batteries that are commercially available for grid applications, redox-flow batteries that offer low cost, and lithium-ion batteries whose development for commercial electronics and electric vehicles is being applied to grid storage.
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Nanostructured materials for advanced energy conversion and storage devices
Antonino S. Aricò,Peter G. Bruce,Bruno Scrosati,Jean-Marie Tarascon,Jean-Marie Tarascon,Walter van Schalkwijk +5 more
TL;DR: This review describes some recent developments in the discovery of nanoelectrolytes and nanoeLECTrodes for lithium batteries, fuel cells and supercapacitors and the advantages and disadvantages of the nanoscale in materials design for such devices.
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Nano-sized transition-metal oxides as negative-electrode materials for lithium-ion batteries
TL;DR: It is reported that electrodes made of nanoparticles of transition-metal oxides (MO), where M is Co, Ni, Cu or Fe, demonstrate electrochemical capacities of 700 mA h g-1, with 100% capacity retention for up to 100 cycles and high recharging rates.