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US 9,780,361 B2Granted
Methods for forming porous materials
AssigneeGM Global Technology Operations LLC
InventorsXingcheng Xiao, Weidong Zhou
Life of this patent
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Abstract
In an example of the method disclosed herein, SiOx (0<x<2) particles are combined with a lithium metal. The SiOx (0<x<2) particles and the lithium metal are caused to react to form lithium oxide nanoparticles in a silicon matrix. At least some of the lithium oxide nanoparticles are removed from the silicon matrix to form porous silicon particles.
Claims20
A method for forming a porous material, the method comprising:
- combining SiOx (0<x<2) particles with a lithium metal;
- causing the SiOx (0<x<2) particles and the lithium metal to react to form lithium oxide nanoparticles in a silicon matrix;
- and
- removing at least some of the lithium oxide nanoparticles from the silicon matrix, thereby forming porous silicon particles.
1 more element
Dependencies are inferred from the claim text.