March 26, 2025 | Amprius, Breathe Battery, and CarbonX took home top honors last week in the Best of Show competition at the International Battery Seminar in Orlando. Twenty-eight new products were entered into the competition, and the community chose these three as the top award winners.
The Best of Show competition is a new products awards program open to all exhibitors that highlights innovation and creativity on display at the International Battery Seminar. Attendees chose the new products they felt most impacted the battery space. (Please note, selection is not based on level of sponsorship or exhibit participation.)
The 2025 Winners include:
Amprius | 6.3 Ah 21700 SiCore cell | Booth 806
https://amprius.com/
Amprius continues to drive innovation in battery technology with its high-energy-density lithium-ion cells. The company’s 6.3Ah 21700 SiCore cell sets a new industry benchmark, delivering 315 Wh/kg energy density and an impressive 800 cycles at 100% depth of discharge to 80% state of health. This widely used format offers over 25% more capacity than standard 5.0 Ah 21700 cells while maintaining a high-power 3C discharge rate. With energy density far exceeding the 160-250 Wh/kg typical of conventional graphite-based batteries, Amprius’ breakthrough technology addresses critical challenges in advancing electric mobility across various industries. The 6.3 Ah 21700 cell is designed as a drop-in solution for the light electric vehicle market, providing increased range and efficiency. However, its combination of high energy density and extended cycle life makes it ideal for other demanding applications, including fixed-wing aviation and AI-driven robotics. In January 2024, Amprius launched its SiCore platform, further enhancing battery performance with industry-leading energy density and power delivery. SiCore batteries enable electric vehicles, drones, and electric aviation to achieve longer range, lighter designs, faster charging, and reliable high-power performance in harsh conditions. The increased energy density allows for greater cargo capacity, while its unmatched efficiency ensures optimal operation across diverse applications. With its cutting-edge chemistry and secured gigawatt-scale production through contract manufacturing, Amprius is pushing the boundaries of battery performance, redefining industry standards, and unlocking new possibilities for the future of electric mobility.
Breathe Battery Technologies | Breathe Model | Booth 616
https://breathebatteries.com/
Designing high-quality battery powered experiences requires a delicate balance of great cell design, seamless system integration and optimal control. Yet today, this process is unsustainable. Iterative, slow, and costly—constrained by ever-more empirical testing, fragmented data and limited supplier transparency. The result? Inefficiencies, suboptimal design decisions, and batteries that don’t reach their full potential. Breathe Model is a brand new cell simulation software solution that lets battery engineers overcome these development challenges by helping them gather all the evidence they need to make better battery system decisions. It helps remove the constraints of empirical testing by providing abstracted, high-level simulations. Battery teams can use it to get answers to the questions they care about, ultimately enabling them to create better batteries. It works by simulating the underpinning electrochemical and thermal dynamics of a lithium-ion battery. The dynamics are physics-based, accounting for the anode and cathode open-circuit-voltages with hysteresis and kinetic effects. The models are parameterised for a particular cell using specialised experimental procedures, including cell teardown, at Breathe’s east London battery laboratory. The software can aid battery and system engineers in understanding how a cell behaves as a single cell, or within the rest of the battery system. Unlike equivalent-circuit-models, which are commonly used but don’t provide further insight on top of the measurable signals, the physics-based model approach provides insight into the electrode dynamics. This offers capabilities for performance improvement of the cell and system, such as developing enhanced charging controllers, reducing test time and evaluating system attributes.
CarbonX | CarbonX X7 | Booth 817
http://www.carbonx.nl
CarbonX X7 is the only drop-in solution that competes with (synthetic) graphite on 4 key elements simultaneously: 1. Battery performance (charge at 10C/6 minutes & stability) 2. Cost efficiency (economy of scale, competing with Chinese graphite), 3. Supply Chain resilience (commercial production, local in US, EU, Asia) and 4. Sustainability (5x lower Co2 footprint in production). We are bringing this product to market in 2025.
