Lithium-ion Cathode & Anode Materials

By AZoNano.com Staff Writers

Topics Covered

Introduction
NANOMYTE Line of Lithium-Ion Cathode and Anode Materials
     Lithium Titanate
     Lithium Manganese Oxide
     Lithium Manganese Nickel Oxide
     Lithium Nickel Cobalt Aluminum Oxide
NEI Custom Electrode Materials
     Titanate-Based Materials
     Sulfide-Based Materials
     Spinel-Type Materials
     Phosphate-Based Materials
     Layered Oxide Materials
Conclusion
About NEI Corporation

Introduction

NEI Corporation manufactures a range of cathode and anode materials for lithium-ion battery applications. The company uses solid state synthesis process for battery material production. This process is economical, scalable and compatible to various particle morphologies and materials compositions.

NANOMYTE Line of Lithium-Ion Cathode and Anode Materials

NEI’s NANOMYTE Line of Lithium-ion cathode and anode materials is available as either powders or cast electrode tapes. The company also offers solid state electrolytes. The following are the battery materials offered by NEI:

Lithium Titanate

Lithium titanate exhibits high rate capability, long cycle life, and improved safety. These characteristics make the material to serve as anode in various applications, including batteries and supercapacitors. The key features of lithium titanate are as follows:

  • Long cycle life and safe Li-ion batteries
  • Large cycle life: 10K at 100% DOD
  • High rate capability thanks to large surface area
  • Strain-free electrode
  • Batteries can be fully charged in less than 10 minutes
  • Near theoretical capacity with light loading
  • Suitable for High Power applications
  • High rate: 30C capable
  • Primary particle size: 50 – 90nm
  • Secondary particle size: < 5µm

Lithium Manganese Oxide

Lithium manganese oxide delivers stable room temperature cycling and relatively high rate capability. The key features of lithium manganese oxide are listed as below:

  • High rate capability similar to Ni-doped spine
  • 3D Li-ion path
  • Utilization of nearly 100% of theoretical capacity
  • Crystallite size: 200 – 300nm
  • Average particle size: 6 – 7µm
  • High energy density (480Wh/kg and 2060Wh/I)

Lithium Manganese Nickel Oxide

Lithium manganese nickel oxide is a high voltage cathode material with high rate capability, improved cycling stability, and high energy density. The following are the key features of lithium manganese nickel oxide:

  • Nearly 100% of theoretical capacity
  • High Rate (>80% retention at 10C)
  • 3D Li-ion path
  • High energy density (690Wh/kg and 3070Wh/I)
  • Crystallite size: 300 – 500nm
  • Average particle size: 5µm

Lithium Nickel Cobalt Aluminum Oxide

The high capacity and good calendar life of lithium nickel cobalt aluminum oxide make it a widely used lithium-ion battery material. The key features of this material are:

  • High capacity nickelate system
  • Layered crystal structure
  • High energy density (670Wh/kg and 3070Wh/I)
  • Moderate rate capability
  • Crystallite size: 100 – 250nm
  • Average particle size: 2 – 5µm

NEI Custom Electrode Materials

Building on its vast experience, NEI is well positioned to custom manufacture the following materials:

Titanate-Based Materials

  • Lithium Titanium Oxide (Li4Ti5O12; LTO)
  • Doped Lithium Titanium Oxide
  • Lithium Lanthanum Titanate (Li0.34La0.51TiOy)

Sulfide-Based Materials

  • Iron Sulfide (FeS2)
  • Lithium Tin Phosphorous Sulfide (Li10SnP2S12; LSPS)
  • Lithium Germanium Phosphorous Sulfide (Li10GeP2S12; LGPS)

Spinel-Type Materials

  • Lithium Manganese Oxide (LiMn2O4; LMO)
  • Doped Lithium Manganese Oxide (LiMn2-xMxO4)
  • Lithium Manganese Nickel Oxide (LiMn1.5Ni0.5O4; LMNO)
  • Ti-doped Lithium Manganese Nickel Oxide (LiMn1-xTixNi0.5O4; LTMNO)

Phosphate-Based Materials

  • Iron Phosphate (FePO4; FP)
  • Aluminum Phosphate (AlPO4)
  • Lithium Cobalt Oxide (LiCoPO4)
  • Lithium Iron Phosphate (LiFePO4; LFP)
  • Lithium Aluminum Titanium Phosphate [Li1.4Al0.4Ti1.6(PO4)3]
  • Doped Lithium Cobalt Phosphate (LiCo1-xMxPO4)

Layered Oxide Materials

  • Lithium Cobalt Oxide (LiCoO2; LCO)
  • Lithium Nickel Cobalt Oxide (LiNi0.8Co0.15Al0.05O2; NCA)
  • Lithium Manganese Oxide (Li2MnO3; LxMO)
  • Lithium Manganese Nickel Cobalt Oxide Composite (Li1+xMnxNiyCozO2)

Conclusion

Besides delivering custom developed battery materials, NEI offers customers with research and development services for battery materials and electrodes.

About NEI Corporation

NEI Corporation is an application driven company that utilizes nanotechnology to develop and produce advanced materials. The company’s core competencies are in synthesizing nanoscale materials and prototyping products that incorporate the advanced materials. Founded in 1997, we manufacture and sell advanced materials products, provide materials development services, and perform contract-based R&D for public and private entities. NEI has built a strong manufacturing and R&D infrastructure that enables rapid transition of concepts to products.

NEI’s products are sold under the registered trademark: NANOMYTE®

This information has been sourced, reviewed and adapted from materials provided by NEI Corporation.

For more information on this source, please visit NEI Corporation.

Date Added: Oct 16, 2013 | Updated: Jul 30, 2014
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