Lithium Battery Raw Materials

Lithium battery materials mainly include: cathode material, anode material, battery separator, and battery electrolyte.

1. Among the cathode materials, the most commonly used materials are lithium cobaltate, lithium manganate, lithium iron phosphate and ternary materials (a polymer of nickel, cobalt and manganese). The positive electrode material occupies a large proportion (the mass ratio of positive and negative materials is 3: 1~4:1), because the performance of the cathode material directly affects the performance of the lithium-ion battery, and its cost directly determines the cost of the battery.

2. Among the anode materials, the current anode materials are mainly natural graphite and artificial graphite. The anode materials being explored include nitrides, PAS, tin-based oxides, tin alloys, nano-anode materials, and other intermetallic compounds. As one of the four major constituent materials of lithium batteries, anode materials play an important role in improving battery capacity and cycle performance, and are at the core of the middle reaches of the lithium battery industry.

3. The market-oriented diaphragm materials are mainly polyolefin separators based on polyethylene (PE) and polypropylene (PP). In the structure of the lithium battery, the seaparator is one of the key internal components. The performance of the separator determines the interface structure and internal resistance of the battery, which directly affects the capacity, cycle and safety performance of the battery. A separator with excellent performance plays an important role in improving the overall performance of the battery.

4. The electrolyte is generally prepared from high-purity organic solvents, electrolyte lithium salts, necessary additives and other raw materials under certain conditions and in a certain proportion. The electrolyte plays a role in conducting ions between the cathode and anode electrodes of the lithium battery, which is the guarantee for the lithium ion battery to obtain the advantages of high voltage and high specific energy.

TOB NEW ENERGY can supply full set of lithium battery materials and equipment for lab research or production line, if you have any needs, feel free to contact me!

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