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TOB

XIAMEN TOB NEW ENERGY TECHNOLOGY CO.,LTD.

Provide a full set of battery equipment & materials solution.

The material composition of lithium ion battery mainly includes: cathode active material, anode active material, separator and electrolyte. Besides, There are battery casing materials(coin cell, cylindrical cell, pouch cell, Al shell cell), aluminum Laminated Film(for pouch cell), battery tabs, battery current collectors(al foil, copper foil, nickel foam, copper foam), battery binder(CMC, SBR, PVDF, PTFE, NMP), conductive agent, battery tape, etc.

1. Among lithium cathode materials, the most commonly used materials are Nickel Manganese Cobalt (NMC 811, NMC 622, NMC 532, NMC 111), Nickel Cobalt Aluminum (NCA), Lithium Nickel Manganese Spinel (LNMO), Lithium Manganese Spinel (LMO), Lithium cobalt oxide (LCO), Lithium Iron Phosphate (LFP).

cathode active materials
cathode active materials

2. The anode active materials of lithium batteries are mainly natural graphite and artificial graphite. Besides, we can also provide Lithium Titanate Oxide (LTO) and Silicon anode materials.

anode active materials
anode active materials

3. Market-oriented battery separator materials are mainly polyethylene (POLYETHYLENE, PE), polypropylene (POLYPROPYLENE, PP) -based Polyolefin separator. In the structure of lithium battery, battery separator is one of the key inner components.

battery separator
battery separator materials

4. The battery electrolyte is prepared by high purity organic solvent, electrolyte lithium salt, necessary additives and other raw materials under certain conditions in a certain proportion. Provide battery LiPF6, LiBOB, LiTFSI and Na-ion Battery electrolyte for lithium-ion battery manufacturers.

electrolyte
battery electrolyte

5.TOB New Energy supplies cathode and anode binders used in the Lithium-ion batteries slurry making process. 

Polyvinylidene fluoride (PVDF) is a kind of polymer material with high dielectric constant, has good chemical stability and temperature characteristics, has excellent mechanical properties and workability, has a positive use to improve the bond performance, is widely used in lithium ion batteries, as a cathode and anode binder. 

CMC has good adhesion to metal foil and conductivity.

Styrene butadiene rubber (SBR) is a kind of water-based binder, a kind of polymer material with good water resistance and aging resistance.

PTFE has good adhesion and can form an elastic network structure in the electrode matrix. In this structure, the active substances not only have good contact with each other, which is conducive to the conduction of electrons, but also can resist the expansion and contraction caused by electrode charge and discharge, which can improve the discharge performance and storage life of lithium ion batteries.

battery binder materials
battery binder
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