Patent · US Expired

Structured silicon anode

US7402829B2 · kind B2 · utility

138Cited by
7References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 5, 2003
Grant dateJul 22, 2008
Priority date
Expiry dateApr 23, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49108
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A silicon/lithium battery can be fabricated from a silicon substrate. This allows the battery to be produced as an integrated unit on a chip. The battery includes a silicon anode formed from sub-micron diameter pillars of silicon fabricated on an n-type silicon wafer. The battery also includes a cathode including lithium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.