Product Description

Overview of Lithium Battery Anode Material Carbon-coated Silicon Powder

Silicon anode material is a high-capacity alternative to traditional graphite anodes in lithium-ion batteries. Silicon, with its significantly higher theoretical specific capacity (about 4200 mAh/g compared to graphite's 372 mAh/g), promises to dramatically increase the energy density of batteries. This feature has made silicon anodes a focal point of research and development for next-generation batteries, particularly in applications requiring extended battery life or reduced weight, such as electric vehicles (EVs) and portable electronics.

Features of Lithium Battery Anode Material Carbon-coated Silicon Powder

1. High Lithium-Ion Capacity: Silicon can store much more lithium than graphite, theoretically resulting in substantial improvements in battery energy density.

2. Abundance and Sustainability: Silicon is the second most abundant element in the Earth's crust, making it a readily available and sustainable option for battery production.

3. Low Reduction Potential: Facilitates efficient lithium insertion during battery charging.

4. Non-Toxic: Unlike some other high-capacity materials, silicon is non-toxic and environmentally friendly.

5. Challenges with Volume Expansion: Silicon experiences a volumetric expansion of up to 400% upon lithium absorption, leading to mechanical stress and potential electrode degradation.

(Lithium Battery Anode Material Carbon-coated Silicon Powder)

Parameters of Lithium Battery Anode Material Carbon-coated Silicon Powder

The parameter of lithium battery anode material carbon-coated silicon powder mainly refers to the chemical properties, electrical conductivity, mechanical strength, thermal stability, and resistance to external factors such as heat and corrosion. Here are some key parameters for lithium battery anode material carbon-coated silicon powder: 1. Chemical properties: The chemical composition of carbon-coated silicon powder determines its electrical and thermal conductivity. Silicon has high thermal conductivity, but its electrical conductivity is lower compared to other materials like magnesium or aluminum. 2. Electrical conductivity: The electrical conductivity of carbon-coated silicon powder is influenced by its porosity, structure, and chemical composition. A good conductive electrolyte and appropriate surface preparation can improve the electrical conductivity of the powder. 3. Mechanical strength: The mechanical strength of carbon-coated silicon powder is affected by its particle size, aspect ratio, and porosity. A smaller particle size and better aspect ratio can result in a stronger powder, but it may also increase the cost of production. 4. Thermal stability: The thermal stability of carbon-coated silicon powder is crucial for its long-term performance. The powder should be able to withstand high temperatures without breaking down or losing its electrical conductivity. 5. Resistance to external factors: Carbon-coated silicon powder is vulnerable to external factors such as moisture, oxygen, and temperature changes. A proper protection against these factors is essential to ensure the long-term reliability of the battery. Overall, the parameter of lithium battery anode material carbon-coated silicon powder depends on various factors and requires careful consideration during the selection process.

(Lithium Battery Anode Material Carbon-coated Silicon Powder)

Applications of Lithium Battery Anode Material Carbon-coated Silicon Powder

Electric Vehicles (EVs): Silicon anodes can significantly extend EV driving ranges by increasing battery energy density.

Consumer Electronics: Enhance battery life in smartphones, laptops, and wearables, enabling thinner devices or longer usage times.

Energy Storage Systems (ESS): Improve grid-scale energy storage efficiency and duration for renewable energy sources like solar and wind.

Aerospace: Enable lighter and more powerful batteries for unmanned aerial vehicles (UAVs) and satellites.

Company Profile

Graphite-Corp is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality graphite powder and graphene products.

The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are looking for high-quality graphite powder and relative products, please feel free to contact us or click on the needed products to send an inquiry.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

It could be shipped by sea, by air, or by reveal ASAP as soon as repayment receipt.

FAQs of Lithium Battery Anode Material Carbon-coated Silicon Powder

Q: Why isn't silicon already widely used in commercial batteries if it has such high capacity? A: Silicon's massive volume expansion during charging leads to electrode degradation and reduced cycle life. Researchers are working on overcoming this issue through material engineering and design innovations.

Q: How do researchers address the issue of silicon's volume expansion? A: Strategies include using nanostructured silicon, creating silicon composites with carbon or other materials, and designing porous structures to accommodate expansion.

Q: Is Lithium Battery Anode Material Carbon-coated Silicon Powder more expensive than graphite ones? A: Pure silicon is cheaper than graphite, but the processing and engineering required to make it viable as an anode material can increase costs. However, improvements in manufacturing processes are expected to lower costs over time.

Q: Does Lithium Battery Anode Material Carbon-coated Silicon Powder affect battery charging time? A: Silicon anodes alone do not inherently affect charging speed, but battery design and the choice of other components can influence charging rates.

Q: What is the current status of silicon anode technology in commercial batteries? A: Some manufacturers are already incorporating silicon into graphite anodes in a blended form to enhance capacity modestly, while others are developing pure silicon or silicon composite anodes for high-end applications. However, widespread commercialization of pure silicon anodes is still in progress as researchers work to improve cycle life and manufacturability.

(Lithium Battery Anode Material Carbon-coated Silicon Powder)