Ceylon Graphite has completed full-cell testing using spheroidized vein graphite materials in commercial-size pouch cells, and the company says the results meet OEM specifications.

Ceylon Graphite says that in 2021-2023 testing, its Sri Lankan vein graphite anodes outperformed industry-standard commercial synthetic graphite and had outstanding repeatability. They attained 161 mAh/g discharge capacity, compared to the stated industry norm of 153 mAh/g, and showed little capacity loss over 120 cycles. Ceylon says the high performance of its product is due to the high crystallinity of vein graphite, the company’s, in-house purification process, which uses no hydrofluoric acid, and the company’s unique spheroidizing and formulation technology.

“Due to the high quality of our material, I expected good results from the initial battery tests, but was excited to see my expectations being far exceeded in terms of the reproducibility as well as performance,” said Sasha Jacob, CEO of Ceylon Graphite. “These results are highly significant for ongoing anode material development at Ceylon Graphite and now can give OEMs and [battery manufacturers] confidence to carry out Pouch cell testing using our Ceylon vein graphite materials, either alone or blended with synthetic materials.”

Source: Ceylon Graphite