Lithium ion batteries based on nanoporous silicon
Patent
·
OSTI ID:1215619
A lithium ion battery that incorporates an anode formed from a Group IV semiconductor material such as porous silicon is disclosed. The battery includes a cathode, and an anode comprising porous silicon. In some embodiments, the anode is present in the form of a nanowire, a film, or a powder, the porous silicon having a pore diameters within the range between 2 nm and 100 nm and an average wall thickness of within the range between 1 nm and 100 nm. The lithium ion battery further includes, in some embodiments, a non-aqueous lithium containing electrolyte. Lithium ion batteries incorporating a porous silicon anode demonstrate have high, stable lithium alloying capacity over many cycles.
- Research Organization:
- Univ. of California, Oakland, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- SC0001342
- Assignee:
- The Regents of the University of California (Oakland, CA)
- Patent Number(s):
- 9,142,833
- Application Number:
- 13/702,990
- OSTI ID:
- 1215619
- Resource Relation:
- Patent File Date: 2011 Jun 07
- Country of Publication:
- United States
- Language:
- English
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