EcoGraf Limiteds (ASX:EGR) (FRA:FMK) additional results from electrochemical analysis of preferred feedstocks for its proposed EcoGraf battery graphite facility in Kwinana, Western Australia, have demonstrated superior performance against existing material used in the lithium-ion battery market.
The results confirm that battery graphite produced from these feedstocks can be expected to deliver superior performance when converted into battery graphite using the EcoGraf process.
This work demonstrates the importance of battery graphite crystallinity, which has a direct effect on battery performance factors such as power output, battery life and charging capability.
As a result, EGR's battery products are uniquely positioned as a superior and cost-competitive alternative material for the battery anode supply chain.
The electrochemical test work was carried out at a leading independent German Research Institute, which works with major lithium-ion battery and electric vehicle manufacturers.
EcoGraf process confirmed
The results confirmed the preferred EcoGraf feedstocks, including the companys Epanko material, consistently outperformed existing material under various electrochemical test conditions.
The test work also confirmed that the physical properties, mineralogy, and degree of crystallinity of each natural graphite source directly affects battery anode performance within the lithium-ion battery.
This is a significant observation as each graphite source has its own unique geological setting, with some sources unable to meet the strict specifications of the battery manufacturers.
Crystallinity is an important property in the lithium-ion battery as the level of crystallinity affects the electrochemical performance.
In natural graphite deposits, crystallinity is determined by the geological setting and the extent of natural temperature, pressure forces and time that has been applied in the formation of the graphitic rocks.
Higher crystallinity results from higher temperature and rock pressures for a longer period of time.
Electrochemical test work was carried out on uncoated natural graphite after processing using EcoGraf purification, with all parameters remaining constant to provide relative results.
Testing measured the specific capacity (mAh/g) of each graphite product to assess its battery performance.
Clean energy with high purity graphite
EcoGraf is building a vertically integrated business to produce high purity graphite for the lithium-ion battery market.
Its new state-of-the-art processing facility in Western Australia will manufacture spherical graphite products for expoRead More – Source