518018
Lithium iodide
99.9% trace metals basis
Synonym(s):
Lithium(1+)iodide
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About This Item
Linear Formula:
LiI
CAS Number:
Molecular Weight:
133.85
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
233-822-5
MDL number:
Assay:
99.9% trace metals basis
Form:
powder
assay
99.9% trace metals basis
form
powder
reaction suitability
core: lithium
greener alternative product characteristics
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impurities
≤1500.0 ppm Trace Metal Analysis
mp
446 °C (lit.)
density
3.49 g/mL at 25 °C (lit.)
application(s)
battery precursors
catalysts
material synthesis precursor
greener alternative category
SMILES string
[Li+].[I-]
InChI
1S/HI.Li/h1H;/q;+1/p-1
InChI key
HSZCZNFXUDYRKD-UHFFFAOYSA-M
General description
Lithium iodide is widely used as an electrolyte additivein dye-sensitized solar cells and Li-S batteries, as it enables long cyclelife. It is also used as a phosphor for neutron detection.
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Application
Lithium iodide(LiI)can be used as an electrolyte additive:
- To prepare biodegradable polymer electrolytes.Rice starch complexed with LiI shows enhanced ionic conductivity as theaddition of LiI increases the number of mobile charge carriers.
- For Li-S batteries. LiIforms a protective coating on the surface of both negative and positiveelectrodes and prevents the dissolution of polysulfides on the cathode sidewhich significantly enhances cell rate performance.
Features and Benefits
- 10 mesh particle size provides a larger surface area for better reactivity and interaction in chemical processes, improving efficiency in energy storage and conversion.
- 99.9% trace metals purity facilities better charge/ion transport leading to improved performances.
- Enhances durability and Longevity of energy & electronic devices due to minimum metal impurities.
- Low metal impurities reduce structural defects in solar cells and contribute to the formation of a stable electrolyte in batteries.
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Feixiang Wu et al.
Advanced materials (Deerfield Beach, Fla.), 27(1), 101-108 (2014-11-05)
Lithium Iodide (LiI) is reported as a promising electrolyte additive for lithium-sulfur batteries. It induces formation of Li-ion-permeable protective coatings on both positive and negative electrodes, which prevent the dissolution of polysulfides on the cathode and reduction of polysulfides on
Seon-Joo Choi et al.
ACS applied materials & interfaces, 10(37), 31404-31412 (2018-08-28)
All-solid-state lithium batteries (ASSLBs) based on sulfide solid electrolytes (SEs) have received great attention because of the high ionic conductivity of the SEs, intrinsic thermal safety, and higher energy density achievable with a Li metal anode. However, studies on practical
Yu-il Kang et al.
ChemSusChem, 8(22), 3799-3804 (2015-10-17)
Dye-sensitized solar cells (DSCs) with long-term stability are produced using polymer-gel electrolytes (PGEs). In this study, we introduce the formation of PGEs using in situ gelation with poly(methyl methacrylate) (PMMA) particles and graphene fillers that are pre-deposited on the counter electrodes.