NEPEM Proton exchange membrane for hydrogen fuel cell

Description

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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/cm³	≥1.85	1.92	Tapped Density Tester
3	pH	/	10.5–11.5	10.95	pH Meter
4	Specific Surface Area	m²/g	≤8.0	6.8	ASAP 2020M Specific Surface Area Analyzer
5	H2O Content	ppm	≤500	400	Karl Fischer Moisture Analyzer
6	Particle Size D10	μm	≥4.0	4.2	Malvern S3500-Special Laser Particle Size Analyzer
7	Particle Size D50	μm	8.0–12.0	10.3
8	Particle Size D90	μm	≤45.0	37.5
9	Li Content	wt%	8.0–10.0	9.21	ICP Testing
10	Ni+Co+Mn Content	wt%	50.0–60.0	58.69	Titration Method
11	Fe Content	wt%	≤0.002	0.001	ICP Testing
12	Cu Content	wt%	≤0.01	0.007	ICP Testing
13	Ca Content	wt%	≤0.02	0.012	ICP Testing
14	Zn Content	wt%	≤0.01	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	≥270	275	0.1C, 2.0-4.8V, discharge cutoff
			≥250	258	0.1C, 2.0-4.6V, discharge cutoff
			≥230	232	1C, 2.0-4.8V, discharge cutoff
			≥210	211	1C, 2.0-4.6V, discharge cutoff
18	First Charge-Discharge Efficiency	%	≥92	93.5	0.1C, 2.0-4.8V, discharge cutoff
			≥92	93.1	0.1C, 2.0-4.6V, discharge cutoff
19	Cycling Performance	%	≥96	96.2	Room temperature 0.1C, 100 cycles, discharge cutoff