Gelion has reported significant advancements in its Nano-Encapsulated Sulfur (NES™) Cathode Active Material (CAM) platform and announced an expanded scope of collaboration with TDK Corporation. The company’s latest results demonstrate the commercial readiness and performance potential of its sulfur-based cathode technology, which is designed to integrate into existing lithium-ion battery manufacturing lines without reliance on constrained strategic minerals.
TDK successfully fabricated two-layer lithium-metal pouch cells incorporating Gelion’s NES™ CAM. Initial testing indicates leading cycle stability within the lithium-sulfur sector, with the cells maintaining strong capacity retention over extended cycle numbers. Gelion notes that these pouch cells, aimed at applications such as drones and other niche markets, exhibit robust performance in commercially relevant cell formats.
In parallel, full-cell tests pairing a standard graphitic anode with Gelion’s externally lithiated NES™ cathode achieved over 750 cycles at a 1C charge/discharge rate and 100% depth of discharge. In these configurations, the NES™ cathode served as the sole lithium reservoir, delivering highly consistent charge and discharge profiles. This milestone underscores the potential for a “drop-in” replacement of conventional cathode materials in electric vehicle and energy storage markets.
Gelion has also developed and refined lithiation protocols for its NES™ cathode, a critical step toward scalable, cost-effective manufacturing. The company is now focused on adapting these protocols to align with established industry processes, supporting the transition to industrial-scale production.
Under the expanded collaboration, Gelion and TDK will extend testing to include both graphitic and silicon-based anodes paired with the NES™ cathode. This initiative aims to further validate compatibility across commercially applied anode chemistries and accelerate the deployment of Gelion’s sulfur-based technology in global gigafactories.
Source: Gelion News

