Li2 C2

semiconductor

· Li2 C2

Li2C2 is an ionic compound consisting of lithium and acetylide (C2²⁻), classified as a semiconductor with potential applications in energy storage and advanced materials research. This material exists primarily in experimental and research contexts rather than established industrial production, and belongs to the family of lithium-carbon compounds that are of interest for next-generation battery systems, hydrogen storage, and carbide-based functional materials. Compared to conventional battery materials, lithium carbides offer potential advantages in energy density and ionic conductivity, though practical deployment remains limited due to synthesis challenges and the dominance of mature lithium-ion chemistries in commercial applications.

lithium-ion battery researchnext-generation energy storagehydrogen storage materialssolid-state electrolytesmaterials science researchfunctional ceramics development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	46.24	GPa	—
Shear Modulus(G)	33.17	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.482	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1370	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Li2 C2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control