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Lithium-ion Battery / Li-ion Battery

A lithium-ion (Li-ion) battery is an advanced battery technology that uses lithium ions as a key component of its electrochemistry. During a discharge cycle, lithium atoms in the anode are ionized and separated from their electrons. The lithium ions move from the anode and pass through the electrolyte until they reach the cathode, where they recombine with their electrons and electrically neutralize. The lithium ions are small enough to be able to move through a micro-permeable separator between the anode and cathode. In part because of lithium's small size (third only to hydrogen and helium), Li-ion batteries are capable of having a very high voltage and charge storage per unit mass and unit volume.

Li-ion batteries can use a number of different materials as electrodes. The most common combination is that of lithium cobalt oxide (cathode) and graphite (anode), which is most commonly found in portable electronic devices such as cellphones and laptops. Other cathode materials include lithium manganese oxide (used in hybrid electric and electric automobiles) and lithium iron phosphate (LFP). Li-ion batteries typically use ether (a class of organic compounds) as an electrolyte.

Lithium-ion batteries, while first commercially developed for portable electronics are now ubiquitous in daily life, in increasingly diverse applications including electric cars, power tools, medical devices, smart watches, drones, satellites, and utility-scale storage. As battery usage multiplies, so do the specific requirements, with increasing divergence of battery designs and sizes to suit each specific use. A pressing challenge, especially over the next decade, is to develop batteries that will make a significant contribution to reducing and eventually eliminating carbon emissions, in some countries as early as 2050, to mitigate global warming.

CETC manufactures and supplies high-quality lithium-ion battery cells for installers and customers all over the world. All the batteries are subject to stringent quality controls throughout every step of the manufacturing and through to their final dispatch.

Specification of Prismatic LiFePO4 Battery Cell
Anode Material
Graphitic Carbon Electrode with a Metallic Backing
Cathode Material
Lithium Iron Phosphate (LiFePO4) or LFP
Type
Aluminium Case Battery Cell
Safety / Reliability

All tests are in full compliance with requirements of GB/T 31485-2015 and GB/T 31486-2015.
1. Overcharge test: no fire; no explosion.
2. Overdischarge test: no fire; no explosion; no leakage of electrolyte.
3. Short circuit test: no fire; no explosion.
4. Drop test: no fire; no explosion; no leakage of electrolyte.
5. Heating test: no fire; no explosion.
6. Extrusion test: no fire; no explosion.
7. Salt water immersion test: no fire; no explosion.
8. Temperature cycling test: no fire; no explosion; no leakage of electrolyte.
9. Low atmospheric pressure test: no fire; no explosion; no leakage of electrolyte.
10. Vibration test: no sharp change of discharge current; no abnormal voltage; no battery case deformation; no leakage of electrolyte; connection retains reliable and structure is still well.

Brand
Gotion High-tech®
Ganfeng®
Lishen®
CATL®
Model Number
IFP27175200A-105Ah
48173125-100Ah
LP54173207-202Ah
LEP71H3L7-01
Grade
A
A
A
A
Size
27 x 175 x 200 mm
48 x 174 x 132 mm
54 x 173 x 207 mm
72 x 174 x 207 mm
Weight
2.06 kg
2.2 kg
3.9 kg
5.51 kg
Nominal Capacity
105 Ah
100 Ah
202 Ah
302 Ah
Nominal Voltage
3.2 V
3.2 V
3.2 V
3.2 V
Internal Resistance
0.5 mΩ
≤0.4 mΩ
0.2 mΩ
0.3 mΩ
Cycle Life
≥3000 cycles
≥3000 cycles
≥3500 cycles
≥4000 cycles

 

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