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Details
This product is developed for use as a halide solid electrolyte in all-solid-state battery research. The lithium indium chloride (Li₃InCl₆) powder exhibits a high ionic conductivity of 1.59 mS/cm at room temperature, measured via cold pressing at 350 MPa, with a very low electronic conductivity of 6.73 nS/cm, indicating effective ion transport. Its submicron particle size (D50 around 0.9 μm) facilitates good interparticle contact and compatibility with composite electrode processing. The white powder requires strict handling under inert atmosphere due to moisture sensitivity and potential release of acidic gas upon water contact. Typical applications include serving as a solid electrolyte layer or as an additive in cathode composites for next-generation lithium batteries, where its halide structure offers a promising balance of stability and conductivity.
| Test Items | Test result | Method | |
| Appearance | White powder | Visual inspection. | |
| Theoretical density(g/cm3) |
2.56 |
/ | |
| Particle size | D10(μm) | 0.563 | Particle size analyzer |
| D50(μm) | 0.886 | ||
| D90(μm) | 5.120 | ||
| Ionic conductivity (mS/cm) | 1.59 | Pressed into sheets at 25°C and 350MPa, electrochemical impedance spectroscopy was performed. | |
| lectron conductivity (nS/cm) | 6.73 | Pressed into sheets at 25℃ and 350MPa, electrochemical impedance spectroscopy was performed. | |
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Test conditions: (1) XRD test: Samples were prepared in an inert atmosphere glove box to avoid the atmosphere of polar solvents. The surface was sealed with polyimide film to isolate air and moisture. (2) Ionic conductivity test: 100 mg of powder was used, a mold diameter of 10 mm was applied, and a pressure of 350 MPa was applied to form a pellet. The pressure was maintained at 350 MPa. EIS test: frequency 1 MHz ~ 1 Hz, amplitude 10 mV. (3) Electronic conductivity test: 100 mg of powder was used, a mold diameter of 10 mm was applied, and a pressure of 350 MPa was applied to form a pellet. The pressure was maintained at 350 MPa. i-t test: constant voltage 0.5 V, test time 1800 s. (4) Particle size test: Wet laser diffraction was used. The powder was ultrasonically dispersed using a non-polar solvent after water removal, and this solvent was used as the dispersant for wet laser particle size analysis. |
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XRD spectrum
Structural diagram
SEM
Ionic Conductivity Testing of Halogen Electrolyte Powders:
1. Ionic conductivity testing of halide solid electrolyte powders generally uses a pressure of 200-400 MPa for pellet pressing.
2. For cold-pressed preforms, stainless steel pillars are used as blocking electrodes. Applying a pressure of over 30 MPa on both sides ensures good contact between the electrode and the electrolyte.
3. Testing Procedure:
① Pellet Pressing: Pour 100 mg of electrolyte powder into a mold with an inner diameter of 10 mm, and apply 350 MPa for pressing.
② Measurement: Measure the thickness of the electrolyte pellet in the mold using a vernier caliper depth gauge.
③ Assembly: After assembly, apply 350 MPa for compression and use a steel fitting to maintain pressure before testing.
④ EIS Testing: Connect to an electrochemical workstation, set the test parameters, and start the test. The AC impedance test frequency range is 1 MHz to 1 Hz, and the voltage amplitude is 10 mV.
⑤ Ionic Conductivity Calculation: Due to the softness of halogenated materials and good interparticle contact, the AC impedance curve appears as an approximately upward-sloping straight line at 45°. However, powders with inherently high impedance may exhibit a small semi-grain boundary capacitive arc in the high-frequency region. If the curve intersects the real axis Z', the value at the intersection point is taken as the total impedance. If the curve is above the real axis or has an inflection point, the projection of the lowest point onto the real axis is taken as the total impedance for calculating ionic conductivity.
Important Notes and Usage Recommendations:
1. Operating Environment: All operations must be performed in a glove box filled with high-purity argon (O₂ & H₂O < 0.1 ppm). Any exposure to air will cause the material to absorb moisture or even decompose, resulting in performance failure.
2. Personal Protective Equipment (PPE): Even when operating inside a glove box, it is recommended to wear chemical-resistant gloves (such as nitrile rubber gloves). If handling is required, a protective mask, goggles, and anti-static laboratory clothing must be worn.
Hazard Statement:
1. May release acidic gas upon contact with water.
2. Fatal if swallowed, comes into contact with skin, or is inhaled.
3. May cause severe skin and eye damage.
Precautions:
1. Do not allow contact with water.
2. Handle in an inert gas glove box, protected from moisture.
3. Wear protective gloves/clothing/eye protection/face protection.
4. Wash thoroughly after handling.
5. Do not eat, drink, or smoke while using this product.
6. Do not inhale dust/fumes/gases/mist/vapors/sprays.
7. Avoid release into the environment.
Safe Storage:
1. This product is packaged in a fluorinated bottle in a glove box, magnetically sealed, vacuum-sealed, and then sealed in two layers of aluminum-plastic bags. When unopened, it can be stored under normal conditions.
2. If opening is required, it must be opened and stored in a glove box protected by an inert gas (such as argon) with a water-oxygen value <0.1ppm. Emergency Measures:
1. If swallowed: Immediately call a poison control center or doctor. Rinse mouth. Do not induce vomiting.
2. If on skin (or hair): Immediately remove all contaminated clothing. Rinse skin/shower with plenty of water. Get medical advice/attention immediately.
3. If inhaled: Move to fresh air and keep in a position comfortable for breathing. Get medical advice/attention immediately.
4. If in eyes: Rinse carefully with water for several minutes. If wearing contact lenses and able to remove them easily, remove the lenses. Continue rinsing. Get medical advice/attention immediately.
5. Use a Class D fire extinguisher (for metal fires) or dry sand. Never use water, foam, or carbon dioxide to extinguish the fire.
Disposal:
1. Waste must be treated as hazardous chemical waste and must not be discarded indiscriminately.
2. Small amounts of contaminated items can be wiped clean with an alkaline solution in a fume hood.
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