A dual-carbon-anchoring strategy to fabricate flexible LiMn2O4 cathode for advanced lithium-ion batteries with high areal capacity

Yu, Xiaoliang; Deng, Jiaojiao; Yang, Xin; Jia, Li; Huang, Zheng; Li, Baohua; Kang, Feiyu

doi:10.1016/j.nanoen.2019.104256

Cited by 53 publications

(25 citation statements)

References 56 publications

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“…[365] An ideal SEI for high-rate LIBs with long cyclic life needs to be compact and thin, and enriched with domains with high ionic conductivity. Ideally, it is recommended to create an artificial interfacial layer with several types of functional groups which -developing a low-temperature synthesis route for active materials with a certain ratio of individual metallic elements [307], [305] vanadium oxide -high capacity -tuneable atomic structures and chemical properties -irreversible phase transformation when discharged below 1.9 V -applying vanadium oxide as an additive into other active materials (such as lithium manganese oxide) to improve the overall capacity of the cathode [332], [334] MOFs and their derivatives (cathode)…”

Section: Discussionmentioning

confidence: 99%

“…[304] However, several issues, including slow diffusion of lithium ions and transfer rate, are required to overcome when pursuing devices with superior rate performance. [305] In Figure 30. (a) Rate performance of two types of cathodes at different current rates from 1 C to 20 C (1 C = 200 mA g À 1 ) (LNCM-MS and LNCM represent lithium nickel cobalt manganese oxides synthesised with and without the addition of Triton X-100).…”

Section: Lithium Manganese Oxidementioning

confidence: 99%

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Recent Developments of Nanomaterials and Nanostructures for High‐Rate Lithium Ion Batteries

Zhou

et al. 2020

ChemSusChem

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techniques, based on either electrochemical or radiology methodologies, are covered as well. In addition, state-of-the-art research findings are provided to illustrate the effect of nanomaterials and nanostructures in promoting the rate performance of lithium ion batteries. Finally, several challenges and shortcomings of applying nanotechnology in fabricating highrate lithium ion batteries are summarised.

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Section: Discussionmentioning

confidence: 99%

Section: Lithium Manganese Oxidementioning

confidence: 99%

Recent Developments of Nanomaterials and Nanostructures for High‐Rate Lithium Ion Batteries

Zhou

et al. 2020

ChemSusChem

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show abstract

“…The result was a capacitance of 222.4 mA h g −1 (mass loading of 2.5 mg cm −2 ) even after hundreds of bending/folding and charging/discharging cycles [174]. A flexible lithium transition metal oxide cathode was fabricated using LiMn 2 O 4 nanocrystals on graphitic carbon nanofibers [175]. The resulting flexible 1D LiMn 2 O 4 -nanocarbon hybrid showed a capacity of 2.01 mAh cm −2 and a mass loading of 17.7 mg cm −2 .…”

Section: Power Management Approachesmentioning

confidence: 99%

E-Skin: The Dawn of a New Era of On-Body Monitoring Systems

et al. 2021

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Real-time “on-body” monitoring of human physiological signals through wearable systems developed on flexible substrates (e-skin) is the next target in human health control and prevention, while an alternative to bulky diagnostic devices routinely used in clinics. The present work summarizes the recent trends in the development of e-skin systems. Firstly, we revised the material development for e-skin systems. Secondly, aspects related to fabrication techniques were presented. Next, the main applications of e-skin systems in monitoring, such as temperature, pulse, and other bio-electric signals related to health status, were analyzed. Finally, aspects regarding the power supply and signal processing were discussed. The special features of e-skin as identified contribute clearly to the developing potential as in situ diagnostic tool for further implementation in clinical practice at patient personal levels.

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“…Rechargeable lithium-ion batteries (LIBs) have been regarded as promising energy storage and conversion devices for wearable mobile devices, electric vehicles (EVs), hybrid electric vehicles (HEVs), and stationary energy storage wells [ 1 , 2 , 3 ]. Among the various lithium-ion battery cathode materials, spinel LiMn 2 O 4 is believed to hold huge potential for fulfilling the field-use requirements because of its good thermal stability, low cost, environmental friendliness, and three-dimensional channel structure [ 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

Atomic Insights into Ti Doping on the Stability Enhancement of Truncated Octahedron LiMn2O4 Nanoparticles

Zheng

et al. 2021

Nanomaterials

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Ti-doped truncated octahedron LiTixMn2-xO4 nanocomposites were synthesized through a facile hydrothermal treatment and calcination process. By using spherical aberration-corrected scanning transmission electron microscopy (Cs-STEM), the effects of Ti-doping on the structure evolution and stability enhancement of LiMn2O4 are revealed. It is found that truncated octahedrons are easily formed in Ti doping LiMn2O4 material. Structural characterizations reveal that most of the Ti4+ ions are composed into the spinel to form a more stable spinel LiTixMn2−xO4 phase framework in bulk. However, a portion of Ti4+ ions occupy 8a sites around the {001} plane surface to form a new TiMn2O4-like structure. The combination of LiTixMn2−xO4 frameworks in bulk and the TiMn2O4-like structure at the surface may enhance the stability of the spinel LiMn2O4. Our findings demonstrate the critical role of Ti doping in the surface chemical and structural evolution of LiMn2O4 and may guide the design principle for viable electrode materials.

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A dual-carbon-anchoring strategy to fabricate flexible LiMn2O4 cathode for advanced lithium-ion batteries with high areal capacity

Cited by 53 publications

References 56 publications

Recent Developments of Nanomaterials and Nanostructures for High‐Rate Lithium Ion Batteries

Recent Developments of Nanomaterials and Nanostructures for High‐Rate Lithium Ion Batteries

E-Skin: The Dawn of a New Era of On-Body Monitoring Systems

Atomic Insights into Ti Doping on the Stability Enhancement of Truncated Octahedron LiMn2O4 Nanoparticles

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