Rational design of metal oxide nanocomposite anodes for advanced lithium ion batteries

Li, Yong; Yu, Shian; Yuan, Tianzhi; Yan, Mi; Jiang, Yinzhu

doi:10.1016/j.jpowsour.2015.02.016

Cited by 37 publications

(25 citation statements)

References 49 publications

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“…The lithium-storage performance of LIBs dramatically depends on the anode materials, consequently the design and fabrication of highly efficient anode materials are of great significance to both academic 4 researches and the industrial applications for LIBs. At present, besides the conventional graphite materials used in LIBs [4,5], a variety of novel anode materials have also been developed, such as metal oxides [6][7][8][9][10], Si-based [11,12], and Sn-based [13,14] materials in order to further enhance the performance of LIBs.…”

Section: Introductionmentioning

confidence: 99%

Nanoporous TiO2/Co3O4 Composite as an Anode Material for Lithium-Ion Batteries

Zhao

Qin

2016

Electrochimica Acta

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Section: Introductionmentioning

confidence: 99%

Nanoporous TiO2/Co3O4 Composite as an Anode Material for Lithium-Ion Batteries

Zhao

Qin

2016

Electrochimica Acta

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“…In the first cathodic process, there are four well‐defined reduction peaks observed at 1.20, 0.75, 0.40, and 0.10 V, respectively. The peak at 1.20 V can be attributed to the reduction of SnO 2 to metallic Sn and lithium intercalation into Fe 2 O 3 (Li 2 Fe 2 O 3 ) . The second peak at 0.75 V corresponds to the formation of metallic Fe 0 from Li 2 Fe 2 O 3 and SEI films .…”

mentioning

confidence: 98%

“…The SnO 2 –Fe 2 O 3 –Li 2 O nanocomposite films were prepared by pulsed spray evaporation chemical vapor deposition as described previously . Typically, the three separated precursors of Sn/Fe/Li dissolved in ethanol were injected as a fine spray into the reactor alternately using a preset pulse procedure.…”

mentioning

confidence: 99%

Ultrafast, Highly Reversible, and Cycle‐Stable Lithium Storage Boosted by Pseudocapacitance in Sn‐Based Alloying Anodes

et al. 2017

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Boosting power density is one of the primary challenges that current lithium ion batteries face. Alloying anodes that possess suitable potential windows stand at the forefront in pursuing ultrafast and highly reversible lithium storage to achieve high power/energy lithium ion batteries. Herein, ultrafast lithium storage in Sn-based nanocomposite anodes is demonstrated, which is boosted by pseudocapacitance benefitting from a high fraction of highly interconnected interfaces of Fe/Sn/Li O. By tailoring the voltage window in the range of 0.005-1.2 V for the alloying/dealloying reactions, such Sn-based nanocomposite anodes achieve simultaneous ultrahigh rate capability, superlong cycling performance, and close-to-100% Coulombic efficiency. The nanocomposite anode delivers a high reversible capacity (≈420 mAh g ) at 1 A g for more than 1200 cycles, corresponding to only 0.016% per cycle of capacity decay. A reversible capacity of 350 mAh g can be maintained at an ultrahigh current density of 80 A g , with 67.3% capacity retention relative to the capacity at 1 A g . This combination of pseudocapacitive lithium storage and spatially confined electrochemical reactions in Sn-based nanocomposite anode materials may pave the way for the development of high power/energy and long life lithium ion batteries.

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“…With the increasing demand on power‐supply in electric vehicles and large‐scale stationary grid, high performance energy storage devices with larger energy density are urgently needed . However, many electrode materials suffer from rapid capacity degradation due to large volume variation during the charging/discharging process . The rolled‐up structure was found to play a structural buffering role in minimizing the mechanical stress induced by the volume change process .…”

Section: Nanomembrane Origamimentioning

confidence: 99%

Assembly and Self‐Assembly of Nanomembrane Materials—From 2D to 3D

Huang

Mei

2018

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Nanoscience and nanotechnology offer great opportunities and challenges in both fundamental research and practical applications, which require precise control of building blocks with micro/nanoscale resolution in both individual and mass-production ways. The recent and intensive nanotechnology development gives birth to a new focus on nanomembrane materials, which are defined as structures with thickness limited to about one to several hundred nanometers and with much larger (typically at least two orders of magnitude larger, or even macroscopic scale) lateral dimensions. Nanomembranes can be readily processed in an accurate manner and integrated into functional devices and systems. In this Review, a nanotechnology perspective of nanomembranes is provided, with examples of science and applications in semiconductor, metal, insulator, polymer, and composite materials. Assisted assembly of nanomembranes leads to wrinkled/buckled geometries for flexible electronics and stacked structures for applications in photonics and thermoelectrics. Inspired by kirigami/origami, self-assembled 3D structures are constructed via strain engineering. Many advanced materials have begun to be explored in the format of nanomembranes and extend to biomimetic and 2D materials for various applications. Nanomembranes, as a new type of nanomaterials, allow nanotechnology in a controllable and precise way for practical applications and promise great potential for future nanorelated products.

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Rational design of metal oxide nanocomposite anodes for advanced lithium ion batteries

Cited by 37 publications

References 49 publications

Nanoporous TiO2/Co3O4 Composite as an Anode Material for Lithium-Ion Batteries

Nanoporous TiO2/Co3O4 Composite as an Anode Material for Lithium-Ion Batteries

Ultrafast, Highly Reversible, and Cycle‐Stable Lithium Storage Boosted by Pseudocapacitance in Sn‐Based Alloying Anodes

Assembly and Self‐Assembly of Nanomembrane Materials—From 2D to 3D

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