Cipher System for Scanning Electron Microscopes

Cipher® is the first and only device that provides a quantitative representation of lithium distribution in dual beam and scanning electron microscopes. Utilizing the innovative lithium by composition by difference method (Li-CDM), Cipher accelerates the development of renewable energy materials and aerospace alloys by determining the lithium content in metallic alloys, compounds, and complicated metal oxides down to single-digit weight percentages.


  • Discloses previously unknown lithium distribution at the microscale in a wide range of materials.
  • Establishes the charge status of lithium nickel manganese cobalt oxide (NMC) and lithium iron phosphate (LFP) oxide particles utilized as cathodes in lithium-ion batteries.
  • Provides quantitative lithium analysis with a tenfold increase in the minimal detection limit.
Determining Lithium Content by the Composition by Difference Method

Determining Lithium Content by the Composition by Difference Method. Lithium (Li)-ion batteries have been adopted for a wide range of energy storage applications due to their outstanding energy density and low mass compared to other technologies. However, there remains considerable scope for energy capacity and efficiency improvements by optimizing devices and materials used in their construction. In particular, microstructural and compositional analysis has proven challenging at the micro- and nano-scales with structure evolution and degradation mechanisms due to a lack of understanding at these length scales. Video Credit: Gatan, Inc.

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