Graphenic Silicon Thin Films for Lithium-Ion Batteries

The rapid growth of portable electronics and electric vehicles demands advancements in battery technology to improve energy storage, extend lifespan, and reduce environmental impact. Current lithium-ion batteries struggle with limited capacity, long charging times, and degradation over time, which are significant hurdles in technology and transportation sectors.

Our solution leverages advanced material science to revolutionize the core of lithium-ion batteries—the anode. Utilizing large-scale direct laser printing, we produce graphenic silicon thin films that serve as the anode material. This method synthesizes a composite where graphene’s structural stability and excellent conductivity are combined with silicon’s high lithium storage capacity.
The process involves:
1. Layering: Graphene and silicon are alternately layered using a precise laser printing technique, ensuring uniformity and optimal thickness.
2. Integration: These layers are engineered to form a flexible, robust thin film that can easily integrate into current battery manufacturing processes.
3. Optimization: The material composition and structure are optimized to enhance ion transport and accommodate silicon’s volume changes during charge cycles.
This innovative approach not only improves the battery’s overall performance but also addresses the traditional limitations of silicon anodes, such as cycling stability and longevity. By redefining the anode’s construction, we unlock new potentials for lithium-ion batteries across various applications.

• Enhanced Capacity: Offers significantly higher energy storage compared to traditional batteries*.
• Faster Charging Times: Reduces downtime by enabling quicker recharges.
• Longevity: Increases the number of possible charge/discharge cycles.
• Scalability: Direct laser printing allows for cost-effective manufacturing at scale.
• Eco-friendliness: Uses less harmful materials and promotes longer lifecycle, reducing environmental impact.
*The capacity retention gradually decreased over 4500 cycles, with discharge capacities of nearly 830, 690, 560, and 437 mAh g−1 at 1000, 2000, 3000, and 4500 cycles, respectively.

• Consumer Electronics: Revolutionizes battery life in smartphones, laptops, and wearable devices.
• Electric Vehicles: Extends driving range and reduces battery size and weight, making electric cars more practical and appealing.
• Renewable Energy Systems: Enhances efficiency in storing energy from intermittent sources like solar and wind, stabilizing grid performance.

Sign up for
our events

    Life Science