TCI Materials Science News
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July 2023
TCI is at the forefront of offering high-quality materials for R&D. This issue covers our materials science topics as follows:
- Lithium-Based Electrode Materials
- For Secondary Battery Anode Use, Carbon Coated SiO/Mg Composite Material
- Electrolyte Additives for Secondary Batteries: Tris(trialkylsilyl) Phosphates
- Phosphate Ester-type Electrolyte Additives
Lithium-Based Electrode Materials
TCI offers many lithium metal oxides such as lithium cobalt(III) oxide [L0384], lithium nickel oxide [L0394], lithium nickel manganese cobalt oxide (LiNi0.33Mn0.33Co0.33O2) [L0388], etc. You can also find lithium metal phosphates such as lithium iron(II) phosphate [L0386], lithium manganese(II) phosphate [L0390], lithium cobalt(II) phosphate [L0407], lithium nickel(II) phosphate [L0402] and lithium vanadium phosphate [L0417].
For Secondary Battery Anode Use, Carbon Coated SiO/Mg Composite Material
Carbon coated Silicon Monooxide/Magnesium composite material [C3864] is a microparticle with particle size ≤10.0 μm and specific surface area ≥2.0 m2/g. C3864 mainly consists of silicon monooxide/magnesium (SiO/Mg) with higher capacity than silicon monooxide (SiO), and it can be used as a battery anode material.
Electrolyte Additives for Secondary Batteries: Tris(trialkylsilyl) Phosphates
Tris(trimethylsilyl) phosphate [P1248] has been reported to be used as an additive for lithium-ion batteries. It possesses features such as; forming an artificial solid electrolyte interface (SEI) layer, reducing an interface impedance, protecting an electrode material from eroding by hydrogen fluoride, enhancing initial discharge capacity, and improving cyclic stability and capacity retention. TCI also offers tris(triethylsilyl) phosphate [T4111] and tris(tert-butyldimethylsilyl) phosphate [T4119] as the analogues.
Phosphate Ester-type Electrolyte Additives
Two electrolyte additives, tripropargyl phosphate [T3987] and triallyl phosphate [P0264] improve the performance and durability of lithium-ion batteries. T3987 and P0264 have the advantages of polymerizing on the electrode surface to form stable SEI and CEI films, and contributing to maintaining excellent charge/discharge capacity under high voltage. Additionally, it has been reported to form dense and protective interphases on both the NMC532 cathode and graphite anode.Upcoming Events
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