Wireless battery cell monitoring chipset ready for volume
Dukosi Ltd, a global company headquartered in Edinburgh, has announced the Dukosi Cell Monitoring System (DKCMS) for safety critical, next generation battery systems is ready for production. Key applications include electric vehicles (EVs) and energy storage.
DKCMS Core is a unique contactless battery cell monitoring technology that consists of the DK8102-AQ-25 Cell Monitor IC, DK8202-AR-25 System Hub chip, the Dukosi API and C-SynQ® communications protocol. A Cell Monitor mounted directly onto each cell provides accurate monitoring of key operating parameters such as voltage and temperature along with necessary cell balancing functionality and diagnostics. The System Hub manages the bidirectional data transfer between all of the Cell Monitors and the BMS Host using Dukosi’s proprietary C-SynQ via a single bus antenna. C-SynQ provides a highly secure and extremely robust and reliable communication, with predictable latency and synchronizes all Cell Monitor measurements for optimal pack performance.
The wireless battery monitoring system can improve usable energy per cell of over 20 percent and SoC estimation per cell of about 4 percent. As cell monitoring is very accurate, the technology mitigates range anxiety, enhances safety and improves pack lifetime. As the data is kept over the lifetime of the battery for use in an EV for example with 24/7 monitoring, the state of the battery can be ascertained for second life opportunities.
DKCMS Core hardware has gone through extensive qualification testing adhering to AEC-Q100, meeting the stringent requirements and lifetime expectations of EVs and stationary battery energy storage systems (BESS). Unique chip-on-cell technology and a proprietary C-SynQ® communication protocol transforms the way batteries are designed and monitored. The DKCMS on-cell monitoring and nonvolatile embedded memory also provide lifetime traceability, enabling customers’ products to be compliance-ready for upcoming regulations like the EU Battery Passport. Further, the novel contactless offering overcomes the limitations of traditional wired and far field wireless systems and frees physical design constraints to provide greater safety, design flexibility and scalability.
Commenting on Dukosi’s market leading battery cell monitoring system, Silvana Rulet, Best Practices Research Analyst, Frost & Sullivan, said: “With its chip-on-cell sensing platform, Dukosi addresses an unmet market need ahead of competitors. The solution provides insights into each battery cell through embedded software, onboard processing, and memory. Moreover, this technology allows for accurate, contactless, and synchronous communication between cells and the main battery management system, enabling organizations to monitor the status, health, and performance of every cell in real-time.”
The market for Dukosi’s technology is substantial and fast growing. At one Dukosi Cell Monitor per cell in a typical battery, there is an opportunity for 2 billion ICs in 2025 based on published EV and BESS sales forecasts which grow at 14.8% per year over the following decade.
“The release the first DKCMS chips into production will put real intelligence on every cell,” said Mark Pinto, CEO of Dukosi. “We’ve been investing in all our global locations, growing our talent and presence to better serve our expanding market opportunities worldwide. We have multiple customers and partners with DKCMS designed into their next generation batteries and BMS designs, underscoring our shared philosophy of technology innovation and success through collaboration.”
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