Birla Carbon and Chasm Advanced Materials Co-Develop ‘NTeC-B’ Hybrid Conductive Additive for Next-Gen Li-ion Batteries

June 28, 2026

Birla Carbon & Chasm Advanced Materials USA

Overview

Birla Carbon and Chasm Advanced Materials have co-developed ‘Nanotube-Enhanced Carbon Black’ (NTeC-B), a hybrid carbon black/carbon nanotube conductive additive for next-generation lithium-ion batteries. This novel material synergistically combines carbon black’s excellent dispersion with carbon nanotube’s high conductivity. This is expected to enable high-capacity anodes and improved rate performance, accelerating the evolution of high-performance EV batteries.

In Depth

Key Findings

Leading materials science companies Birla Carbon and Chasm Advanced Materials have announced the co-development of ‘Nanotube-Enhanced Carbon Black’ (NTeC-B), a hybrid carbon black/carbon nanotube conductive additive designed to significantly enhance the performance of next-generation lithium-ion batteries. This innovative material is poised to contribute to higher-capacity anodes and improved rate capabilities in battery technology.

Technical / Clinical Details

NTeC-B effectively establishes an efficient conductive network within battery electrodes by synergistically combining the superior dispersion properties of traditional carbon black with the high electrical conductivity of carbon nanotubes (CNTs). While carbon black ensures uniform distribution throughout the electrode, CNTs, with their nanoscale structure, provide a multitude of electrical pathways between active material particles. This unique hybrid architecture substantially improves the speed of electron transport, particularly in high-capacity anodes, leading to significantly enhanced fast-charge and discharge capabilities (rate performance). Furthermore, the reduction in electrode resistance may also contribute to suppressed heat generation and extended cycle life.

Background & Context

The lithium-ion battery market is experiencing rapid expansion, with production capacity projected to exceed 2 terawatt-hours (TWh) by 2026. This growth is primarily driven by the widespread adoption of electric vehicles (EVs) and increasing demand for renewable energy storage systems. However, further improvements in current battery performance are essential to extend EV driving ranges and shorten charging times. Conductive additives are a crucial determinant of electrode performance, and there has been a pressing need for more efficient and higher-performing materials.

Strategic Significance & Outlook

The introduction of advanced hybrid conductive additives like NTeC-B is expected to alleviate bottlenecks in lithium-ion battery technology, playing a vital role in improving the performance and cost-efficiency of electric vehicles. This technology will accelerate the development of more powerful EV batteries, contributing to the realization of a sustainable mobility society, and potentially expanding applications into other high-energy-density sectors.

Source: https://flex.semi.org/program/sustainability-and-power-panel-discussion-advanced-conductive-additives-for-next-generation-li-ion-batteries

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