Lithium Storage Property of Metallic Silicon Treated by Mechanical Alloying

Qiang Wei Fu; Xun Yong Jiang

doi:10.4028/www.scientific.net/MSF.847.29

Paper Titles

In Situ Polymerization Synthesis of Ternary Sulfur/Polypyrrole/Graphene Nanosheet Cathode for Lithium/Sulfur Batteries
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Facile Synthesis of Co₃O₄/Nitrogen-Doped Graphene Composite with Enhanced Electrochemical Performance
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Structure of LaNi_3.8AlMn_0.2D_3.2 Compound Studied by Neutron Powder Diffraction
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Structure of LaNi_3.8AlMn_0.2 Compounds Studied by Neutron Powder Diffraction
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Lithium Storage Property of Metallic Silicon Treated by Mechanical Alloying
p.29

Synthesis and Electrochemical Performance of Polypyrrole-Coated Sulfur/Multi-Walled Carbon Nanotube Composite Cathode Materials for Lithium/Sulfur Batteries
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Polyethylene Glycol/Expanded Vermiculite Shape-Stabilized Composite Phase Change Materials for Thermal Energy Storage
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Effect of Na₂SO₄ on the Performance of Mg-Air Battery
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Study on Sorption Behavior of Cesium by Graphite
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HomeMaterials Science ForumMaterials Science Forum Vol. 847Lithium Storage Property of Metallic Silicon...

Lithium Storage Property of Metallic Silicon Treated by Mechanical Alloying

Abstract:

Theoretical capacity of silicon is 4200mAhg^-1, but pure silicon had huge volume change during lithium insertion, which reduces the cycle life of silicon. In this paper, pure silicon was replaced of metallic silicon to relieve volume effect. Metallic silicon contains some alloying elements which improve the conductivity of the electrode material. The elements in metallic silicon will relief the volume change of silicon substrate during lithium insertion/ de-lithiation process. Metallic silicon was treated by mechanical alloying (MA) which is an effective method to reduce particle sizes of metallic silicon. The results show that MA can improve cycle performance of metallic silicon. Metallic silicon treated by MA performs a better cycling performance compared with the unsettled materials and a higher discharge capacity in the first cycle.

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Periodical:

Materials Science Forum (Volume 847)

Pages:

29-32

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.847.29

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Online since:

March 2016

Authors:

Qiang Wei Fu, Xun Yong Jiang*

Keywords:

Electrochemical Performance, Mechanical Alloying, Metallic Silicon

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