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14 results on '"Li, Xinkui"'

8. Construction of Dual‐Carbon Co‐Modified LiFePO 4 Nanocrystals via Microreactor Strategy for High‐Performance Lithium Ion Batteries

Author

Yu Ning, Li Xinkui, Fei Wang, Dianlong Wang, Tingting Ruan, Zekun Zhang, Yu Zhou, and Bo Wang

Subjects
Materials science, Graphene, chemistry.chemical_element, Electrochemistry, law.invention, Ion, General Energy, Amorphous carbon, Nanocrystal, chemistry, Chemical engineering, law, Lithium, Microreactor, Carbon
Published
2020
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9. Construction of Dual‐Carbon Co‐Modified LiFePO4 Nanocrystals via Microreactor Strategy for High‐Performance Lithium Ion Batteries.

Author

Wang, Bo, Zhang, Zekun, Ning, Yu, Li, Xinkui, Ruan, Tingting, Wang, Fei, Wang, Dianlong, and Zhou, Yu

Subjects
LITHIUM-ion batteries, NANOCRYSTALS, CHEMICAL kinetics, MECHANICAL properties of condensed matter, POTENTIAL energy
Abstract

A facile and controllable dual‐carbon microreactor approach has been developed to prepare graphene and amorphous carbon co‐decorated LiFePO4 (LFP) nanocomposites (G/LFP@C). Physical characterizations demonstrate that the particle size of the restricted LFP crystals is ≈30–50 nm, which are well proportioned and well anchored on the surface of graphene and completely coated by the amorphous carbon layers. The electrochemical data demonstrate the impressive electrochemical performances of the G/LFP@C composite and its application potential as a cathode material of lithium ion batteries (LIBs). Particularly, the large specific capacity (161.3 mAh g−1 at 0.2 C), superior rate property (93.8 mAh g−1 at 20 C), and outstanding cycling stability (97.3% capacity retention over 1000 cycles at 10 C) are simultaneously realized for G/LFP@C because of the optimized electrochemical reaction kinetics with effective dual‐carbon co‐constructed conductive network and abundant active sites. It is believe that this work not only supplies unique in sights into the reasonable design of LFP materials for favorable property LIBs, but also holds great potential for the energy storage market. [ABSTRACT FROM AUTHOR]

Published
2020
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10. Preoperative design of expansive open-door laminoplasty: A computer-assisted morphometric analysis

Author

Li Xinkui, Jing Yang, Yang Gao, Yu Wang, Qian Wang, and Li Ang

Subjects
Adult, Male, Lamina, medicine.medical_treatment, Models, Neurological, Spinal Cord Diseases, Cohort Studies, Myelopathy, Spine surgery, Humans, Medicine, Aged, Observer Variation, business.industry, Reproducibility of Results, Anatomy, Middle Aged, Laminoplasty, medicine.disease, Cervical spine, Computer Science Applications, body regions, Surgery, Computer-Assisted, Cervical Vertebrae, Computer-assisted morphometric analysis, Female, Surgery, Tomography, X-Ray Computed, Family Practice, business, Expansive
Abstract

Whereas the expansive open-door laminoplasty (EL) has been applied widely and the bone gutter on the hinge side is essential for EL, little is known regarding the mandatory width of the bone gutter. This study addressed the essential parameters of bone gutters for EL. Preoperative axial CT images of 20 patients suffering from cervical myelopathy were downloaded and entered into a computer. EL was then simulated using a computer-assisted technique and the thickness of the laminae at the gutter sites was measured. Accordingly, the width of the bone gutter was linked mathematically with the angle of the lifted lamina and the thickness of the lamina at the lamina-lateral mass junction. Furthermore, the average thickness of the laminae at the gutter site was 6.19 mm, and the appropriate bone gutter for EL was 5.13 to 7.15 mm. The width of the bone gutter can thus be planned precisely preoperatively, which may help improve the safety and accuracy of expansive open-door laminoplasty.

Published
2013
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14. Construction of Dual‐Carbon Co‐Modified LiFePO4Nanocrystals via Microreactor Strategy for High‐Performance Lithium Ion Batteries

Author

Wang, Bo, Zhang, Zekun, Ning, Yu, Li, Xinkui, Ruan, Tingting, Wang, Fei, Wang, Dianlong, and Zhou, Yu

Abstract

A facile and controllable dual‐carbon microreactor approach has been developed to prepare graphene and amorphous carbon co‐decorated LiFePO4(LFP) nanocomposites (G/LFP@C). Physical characterizations demonstrate that the particle size of the restricted LFP crystals is ≈30–50 nm, which are well proportioned and well anchored on the surface of graphene and completely coated by the amorphous carbon layers. The electrochemical data demonstrate the impressive electrochemical performances of the G/LFP@C composite and its application potential as a cathode material of lithium ion batteries (LIBs). Particularly, the large specific capacity (161.3 mAh g−1at 0.2 C), superior rate property (93.8 mAh g−1at 20 C), and outstanding cycling stability (97.3% capacity retention over 1000 cycles at 10 C) are simultaneously realized for G/LFP@C because of the optimized electrochemical reaction kinetics with effective dual‐carbon co‐constructed conductive network and abundant active sites. It is believe that this work not only supplies unique in sights into the reasonable design of LFP materials for favorable property LIBs, but also holds great potential for the energy storage market. A dual‐carbon microreactor approach has been developed to prepare graphene and amorphous carbon co‐modified LiFePO4(LFP) nanocomposites with restricted LFP crystals of ≈30–50 nm, which are well anchored on the surface of graphene and completely coated by the amorphous carbon layers. The test results confirm its electrochemical performance and application potential for lithium ion batteries.

Published
2020
Full Text
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