Contactless battery management systems: how Dukosi’s chip-on-cell technology works

Battery technology continues evolving rapidly, but one key challenge persists: efficiently and accurately monitoring each battery cell. Dukosi, a company with over two decades of experience, has developed an innovative chip-on-cell technology designed to enhance the management of battery cells, offering solutions tailored for automotive, transportation, industrial, and energy storage applications. Charged recently talked to Dukosi’s Joseph Notaro to learn more about the tech.

At the core of Dukosi’s innovation is a compact chip placed directly on each battery cell. This chip continuously monitors critical metrics, including voltage and temperature. Unlike traditional wired monitoring methods, Dukosi’s approach transmits data wirelessly through a proprietary contactless antenna system. This means adding battery cells becomes as straightforward as stacking building blocks, significantly simplifying scalability from just one cell up to hundreds or thousands.

A key advancement from Dukosi is their C-SynQ protocol, a proprietary system that transmits data in a synchronized, star network configuration. Historically, battery monitoring has been complicated by the need for extensive wiring between cells and battery management systems (BMS). Dukosi’s solution reduces this complexity dramatically, using a single cable to monitor numerous cells simultaneously, facilitating seamless integration and substantially quicker deployment.

Another cool feature is Dukosi’s “Cell Passport” technology. Each cell-mounted chip contains built-in memory, storing lifetime information including manufacturing details, chemistry composition, and critical operational events, such as temperature spikes. This data collection helps battery owners evaluate cell health and suitability for second-life applications—crucial in extending the overall lifespan and sustainability of batteries.

Dukosi’s technology is notably agnostic to battery chemistry and cell type. Whether cells are prismatic, cylindrical, or pouch format, or whether they use advanced chemistries like lithium titanate, lithium iron phosphate, or nickel-manganese-cobalt, Dukosi’s chip-on-cell system accurately monitors and reports essential cell performance data. This versatility makes Dukosi’s solutions appealing across diverse industries and applications.

By capturing synchronized cell-level, Dukosi enables battery management systems to deliver precise state-of-charge and state-of-health assessments. Operators can safely and efficiently extract more usable energy from each cell, optimizing overall battery performance and reliability—critical considerations as battery systems become increasingly complex and widespread.

Learn more at: https://www.dukosi.com/