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Lithium Sulfide Li2S | Li2S+GeS2+P2S5/Li2S+SiS2+Al2S3

Description

Lithium Sulfide Li2S 3N 4N (99.9%, 99.99%) is yellowish white crystal, CAS 12136-58-2, MW 45.95, density 1.66g/cm3, melting point 938°C, boiling point 1372°C, reacts strongly with water and soluble in water, ethanol and acid but insoluble in alkali. Lithium Sulfide exists in two forms of orthorhombic and cubic structure with density of 1.75g/cm3 and 1.63g/cm3 respectively. Being an anti-fluorite compound semiconductor and its cubic Li2S an indirect band-gap semiconductor of 3.865 eV, Lithium Sulfide is specially designed for high performance batteries application where can be either applied as electrode material or as precursor for solid electrolytes. Compared with organic liquid or gel electrolyte, solid electrolyte Lithium Sulfide has the advantages of high safety, thermal stability and electrochemical stability, greater lithium ion conductivity and is safe in a wide voltage range.

Applications

Lithium Sulfide Li2S and Li2S+GeS2+ P2S5 and Li2S+SiS2+ Al2S3 are considered to be a promising cathode material for safer energy storage cells, which has long life, high volume and high energy characteristics, and will become the development trend of electrolyte material in rechargeable lithium-ion batteries, glass rubber, friction equipment and for light and safe portable electronic devices etc. Sulfide Solid Electrolytes Lithium Sulfur Li2S and Li2S+GeS2+ P2S5 and Li2S+SiS2+ Al2S3  are also growing an important part of clean energy system for power supply and energy storage equipment for military, electric vehicle, ship and aerospace. 


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Technical Specification

Sulfide Compounds

Sulfide Compounds mainly refer to the metal elements and metalloid compounds, which have stoichiometric composition changing within a certain range to form a compound-based solid solution. Inter-metallic compound is of its excellent properties between the metal and ceramic, and become an important branch of the new structural materials. Sulfides Compound of Arsenic Sulfide As2S3, Bismuth Sulfide Bi2S3, Gallium Sulfide Ga2S3, Germanium Sulfide GeS2, Indium Sulfide In2S3, Lithium Sulfide Li2S,  Molybdenum Sulfide MoS2, Selenium Sulfide SeS2, Sliver Sulfide Ag2S, Solid Electrolytes Li2S+GeS2+P2Sand Li2S+SiS2+ Al2Smulti-element sulfide composite electrode material, Tin Selenide SnS2, Titanium Sulfide TiS2, Zinc Sulfide ZnS and its (Li, Na, K, Be, Mg, Ca) compounds and Rare Earth compounds can also be synthesized in form of powder, granule, lump, bar, crystal and substrate

Li2S (3)

Ga2S3

Lithium Sulfide Li2S 3N 4N (99.9%, 99.99%) and Solid Electrolyte Materials Li2S+GeS2+ P2Sand Li2S+SiS2+ Al2S99.99% 4N at Western Minmetals (SC) Corporation can be delivered in form of powder -60mesh, -80mesh, granule 1-6mm, lump 1-20mm, chunk, blank, bulk crystal and single crystal etc or as customized specification to reach the prefect solution.  Lithium Sulfide Li2250g, 500g in polyethylene bottle, or 1kg-5kg in composite bag, carton box outside.

No.

  Item

Standard Specification

Formula

Purity

 Size & Packing

1

      Arsenic Sulfide

As2S3

5N

-60mesh, -80mesh powder, 1-20mm irregular lump, 1-6mm granule, target or blank.

 

500g or 1000g in polyethylene bottle or composite bag, carton box outside.

 

Sulfide compounds composition is available upon request. 

Special specification  and application can be customized for perfect solution.

2

      Bismuth Sulfide

Bi2S3

4N

3

      Cadmium Sulfide

CdS

5N

4

      Gallium Sulfide

Ga2S3

4N 5N

5

      Germanium Sulfide

GeS2

4N 5N

6

      Indium Sulfide

In2S3

4N

7

      Lithium Sulfide

Li2S

3N 4N

8

      Molybdenum Sulfide

MoS2

4N

9

      Selenium Sulfide

SeS2

4N 5N

10

      Silver Sulfide

Ag2S

5N

11

      Tin Sulfide

SnS2

4N 5N

12

      Titanium Sulfide

TiS2

3N 4N 5N

13

      Zinc Sulfide

ZnS

3N

14

      Sulfide Solid Electrolytes

Li2S+GeS2+P2S5

4N

Li2S+SiS2+ Al2S3

4N

 

No.

  Item

                Standard Specification

 Purity

                               Impurity PPM Max each    

1

  Lithium Sulfide Li2S

3N 99.9%

Co 35, Cu 20, Al/Bi/Sb 30, Mg 50, Pb/Mn/As/Te 10, Fe/Ti/Si 80, Na 100

2

   Lithium Sulfide Li2S

  4N 99.99%

Ag/Al/Cu/Mg/Ni/Cd/Zn/Pb/As 1.0, Ca 4.0, Fe/Si 5.0, Mn 3.0

3

  Phosphorous Sulfide P2S5

3N 99.9%

Ag/Cu/Mg/Bi/Sb/Zn/Pb 50, Al/Co 40, Au 30, Fe 90

Sulfide Solid Electrolytes

LGPS-23

Sulfide Solid Electrolytes Li2S+GeS2+P2S5 and Li2S+SiS2+Al2S3 3N 4N (99.9%, 99.99%) All-solid-state lithium battery with non combustible solid electrolyte can avoid the risk of inflammable and explosive, short life and low energy density, meanwhile solid electrolytes can also effectively inhibit the formation of lithium dendrite to improve service life of the battery. Among which sulfide-based solid electrolytes have become more widespread and attracted significant attention because they possess high conductivities and good mechanical properties for the formation of effective interfaces between solids. The most typical sulfide crystalline solid electrolyte is thio-LISICON, a lithium superionic conductor found in the Li2S-GeS2-P2S5 system, which demonstrates highest lithium-ion conductivity of 2.2 × 10-3s cm-1 at room temperature, together with negligible electronic conductivity, high electrochemical stability, wide operating voltage window. Li2S+GeS2+ P2S5 and Li2S+SiS2+ Al2S3, a novel and promising solid electrolytes prepared by a high-energy ball-milling process or by a conventional melt-quenching method, act as both an ionic conductor and a separating membrane in all-solid-state rechargeable lithium batteries. 

Procurement Tips 

  • Sample Available Upon Request
  • Safety Delivery of Goods By Courier/Air/Sea
  • COA/COC Quality Management
  • Secure & Convenient Packing
  • UN Standard Packing Available Upon Request
  • ISO9001:2015 Certified    
  • CPT/CIP/FOB/CFR Terms By Incoterms 2010
  • Flexible Payment Terms T/T D/P L/C Acceptable
  • Full Dimensional After-Sale Services
  • Quality Inspection By Sate-of-the-art Facility
  • Rohs/REACH Regulations Approval
  • Non-Disclosure Agreements NDA
  • Non-Conflict Mineral Policy
  • Regular Environmental Management Review
  • Social Responsibility Fulfillment

Li2S  Li2S+GeS2+ P2S5       Li2S+SiS2+ Al2S3


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