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Title: Mesoporous silicon synthesis and applications in Li-ion batteries and solar hydrogen fuel cells

We provide a mesoporous silicon material (PSi) prepared via a template-free and HF-free process. The production process is facile and scalable, and it may be conducted under mild reaction conditions. The silicon may be produced directly by the reduction of a silicon-halogenide precursor (for example, SiCl.sub.4) with an alkaline alloy (for example, NaK alloy). The resulting Si-salt matrix is then annealed for the pore formation and crystallite growth. Final product is obtained by removal of the salt by-products with water.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1358270
Assignee:
The Penn State Research Foundation LBNL
Patent Number(s):
9,656,243
Application Number:
14/328,136
Contract Number:
AC02-05CH11231
Resource Relation:
Patent File Date: 2014 Jul 10
Research Org:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE