Description
General description
Our 2D Silicon is an advanced material designed to enhance lithium-ion battery performance by addressing common challenges associated with traditional silicon-based electrodes. Typically, silicon undergoes significant volumetric expansion during charge cycles, which can lead to rapid degradation and shorter battery life. The unique two-dimensional layered structure of 2D Silicon provides necessary space to accommodate these volume changes, thereby improving the stability and longevity of battery electrodes.
2D Silicon is an advanced silicon anode material that offers high capacity and improved stability for lithium-ion batteries. Its use supports greener technologies by enabling longer battery life, higher energy density, and more efficient energy storage, contributing to sustainable and environmentally friendly battery solutions. Click here for more information.
Application
2D Silicon is well-suited for high-performance lithium-ion batteries, offering significant improvements in capacity, stability, and longevity. This material can be integrated into battery preparation processes with relative ease: Handling: 2D Silicon is mildly water-sensitive; it should be protected from moisture or handled in a glovebox to maintain its performance.
Anode Preparation: Mix 2D Silicon with graphite using grinding, ball-milling, or acoustic mixing to form an effective anode material. A 1:1 ratio is recommended.
Optimal Graphite Choice: Flake morphology graphite is ideal for a more intimate and effective mix, enhancing the anode′s conductive properties and stability.
2D Silicon′s role in advancing battery technology makes it a pivotal material in both academic research and industrial applications.
Features and Benefits
Enhanced Cyclability: A blend of 2D Silicon and graphite in a 3:7 weight ratio exhibits impressive cyclability. After 200 cycles, it retains over 85% of its initial capacity. This superior performance is due to the unique structural configuration of 2D Silicon, which maintains electrical contact and minimizes the degradation of the solid-electrolyte interphase (SEI).
Higher Specific Capacity: By blending 2D Silicon and graphite in a 1:1 ratio, we can achieve a higher specific capacity that surpasses 500 mAh/g. This is a significant improvement over graphite′s practical capacity of 360 mAh/g, allowing batteries to store more charge.
Low Insertion/Deinsertion Potential: 2D Silicon demonstrates a low average potential of 0.5 V vs Li/Li+ when reversibly inserting Li-ions. When combined with graphite in a 1:1 blend, the anode material exhibits an average insertion potential of 0.3 V vs Li/Li+. This low potential contributes to an enhanced overall voltage in the battery.
