NEPEM Proton exchange membrane for hydrogen fuel cell

By incorporating expanded polytetrafluoroethylene (ePTFE) microporous reinforcing material into conventional proton exchange membranes (PEMs), Thinkre PEM exhibits the characteristics of high mechanical strength, high proton conductivity, and low ion permeability.

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Description






Lithium-Rich Manganese-Based Cathode Material (LR-270A)


Lithium-Rich Manganese-Based Cathode Material (LR-270A)

Product Description

  • Name: Lithium-Rich Manganese-Based Cathode Material
  • Main Application: Lithium-ion batteries
  • Appearance: Gray-black powder
  • Packaging: Sealed in aluminum-plastic film

Main Specifications

No. Item Unit Specification Typical Value Testing Method or Instrument
1 Appearance / Gray-black powder Gray-black powder Visual Inspection
2 Tapped Density g/cmยณ โ‰ฅ1.85 1.92 Tapped Density Tester
3 pH / 10.5โ€“11.5 10.95 pH Meter
4 Specific Surface Area mยฒ/g โ‰ค8.0 6.8 ASAP 2020M Specific Surface Area Analyzer
5 H2O Content ppm โ‰ค500 400 Karl Fischer Moisture Analyzer
6 Particle Size D10 ฮผm โ‰ฅ4.0 4.2 Malvern S3500-Special Laser Particle Size Analyzer
7 Particle Size D50 ฮผm 8.0โ€“12.0 10.3
8 Particle Size D90 ฮผm โ‰ค45.0 37.5
9 Li Content wt% 8.0โ€“10.0 9.21 ICP Testing
10 Ni+Co+Mn Content wt% 50.0โ€“60.0 58.69 Titration Method
11 Fe Content wt% โ‰ค0.002 0.001 ICP Testing
12 Cu Content wt% โ‰ค0.01 0.007 ICP Testing
13 Ca Content wt% โ‰ค0.02 0.012 ICP Testing
14 Zn Content wt% โ‰ค0.01 0.006 ICP Testing
15 Particle Morphology / Micro-nano structured secondary spherical particles Hitachi S-4800 Scanning Electron Microscope
16 Crystal Structure / Two-phase layered structure with superlattice characteristics X-ray Diffraction (XRD)
17 Discharge Specific Capacity mAh/g โ‰ฅ270 275 0.1C, 2.0-4.8V, discharge cutoff
โ‰ฅ250 258 0.1C, 2.0-4.6V, discharge cutoff
โ‰ฅ230 232 1C, 2.0-4.8V, discharge cutoff
โ‰ฅ210 211 1C, 2.0-4.6V, discharge cutoff
18 First Charge-Discharge Efficiency % โ‰ฅ92 93.5 0.1C, 2.0-4.8V, discharge cutoff
โ‰ฅ92 93.1 0.1C, 2.0-4.6V, discharge cutoff
19 Cycling Performance % โ‰ฅ96 96.2 Room temperature 0.1C, 100 cycles, discharge cutoff