Lithium ion batteries based on nanoporous silicon

Tolbert, Sarah H.; Nemanick, Eric J.; Kang, Chris Byung-Hwa

Lithium ion batteries based on nanoporous silicon

Patent · 22 September 2015

OSTI ID:1215619

Tolbert, Sarah H.; Nemanick, Eric J.; Kang, Chris Byung-Hwa

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.

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Research Organization:: The Regents of the University 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

Country of Publication:: United States

Language:: English

References (19)

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