Battery Materials - Characterization & Analysis

NovoCarbon and their partner, Chasm Advanced Materials, are starting a new lab which will focus on battery materials. Currently, the lab carries out analysis relating to materials characterizations such as analysis of porosity, surface area or particle size distribution, or “HP2” analysis. As the lab continues to develop more functions will be added to assist with product development and quality control.

Other strategic partnerships provide NovoCarbon with other analysis abilities such as analysis of particle shape, TGA, EDAX, XRG, density analysis and visual analysis (AFM, SEM and TEM).

Developing the ability to carry out full analysis in-house means the new products can be developed faster and quality control can be adhered to strictly.

Once the lab is established NovoCarbon will apply for the Battery Materials Lab to be certified by the State of Massachusetts, this will guarantee that the lab is regulated correctly and will allow the lab to offer free-based services to other companies. As growth in the energy storage sector continues the lab will be able to provide vital analysis, product development and consulting services.

The Capabilities of the Battery Materials Lab

The Battery Materials Lab is going to develop through phases; the first phase will deliver the ability to:

  • Determine hydrophilic/hydrophobic characteristics using a novel “HP2” method.
  • Analyse of the Particle Size Distribution
  • Measure pore size and distribution, and surface area using BET analysis.
  • Visually Analyse Materials using AFM

Using BET Analysis to Investigate Total Surface Area

“Brunauer–Emmett–Teller (BET) theory aims to explain the physical adsorption of gas molecules on a solid surface and serves as the basis for an important analysis technique for the measurement of the specific surface area of materials.”

BET analysis report for the MG-1599 product.

BET analysis report for the MG-1599 product.

The surface area of the material to be used in a battery anode is of key importance towards its performance. This is because the important chemical reactions occur on the anode surface, so a greater surface area results in faster or more powerful chemical reactions. It is for this reason that a high surface area is a desirable characteristic.

For graphite, the porosity of the material has a direct influence on its surface area; with a greater number of micropores correlating to a higher surface area. As the number of pores has such an influence on the surface area pore size distribution analysis is an important part of electrode materials analysis.

“HP2” – A Novel Method of Determining Hydrophobicity and Hydrophilicity

HP2 analysis is a unique, non-destructive analysis method developed by Dr. Gershon Borovsky of NovoCarbon, which gives information on the structure and proportion of hydrophilic and hydrophobic materials in a sample. This insight ensures that the correct materials are used for the right battery applications.

PSD Analysis of Graphite for Quality

“Particle size analysis, particle size measurement, or simply particle sizing is the collective name of the technical procedures, or laboratory techniques which determines the size range, and/or the average, or mean size of the particles in a powder or liquid sample.

The particle size measurement is typically achieved by means of devices called Particle Size Analyzers (PSA) which are based on different technologies, such as high definition image processing, analysis of Brownian motion, gravitational settling of the particle and light scattering (Rayleigh and Mie scattering) of the particles.”

Particle Size Distribution Analysis report for the SPG-20U Spheronized Graphite product.

Particle Size Distribution Analysis report for the SPG-20U Spheronized Graphite product.

Particle Size Distribution (PSD) analysis is a key step in understanding the characteristics of a material and to ensure that products are being made to the correct specifications. NanoCarbon uses PSD analysis to ensure that its products are manufactured at high quality and high consistency.

AFM Analysis for Visual Inspection

“Atomic force microscopy (AFM) or scanning force Microscopy (SFM) is a very-high-resolution type of scanning probe microscopy (SPM), with demonstrated resolution on the order of fractions of a nanometer, more than 1000 times better than the optical diffraction limit.”

Stock image of cobalt nano-particles

Stock image of cobalt nano-particles

This information has been sourced, reviewed and adapted from materials provided by NovoCarbon, Inc.

For more information on this source, please visit NovoCarbon, Inc.


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