Overview
Self-lubricating graphite blocks for negative electrodes are engineered materials designed to combine the intrinsic properties of graphite—such as high thermal and electrical conductivity—with self-lubricating capabilities. These blocks are widely used in industries where friction reduction and durability under high temperatures are critical. Their applications span battery manufacturing, metallurgy, and chemical processing. Graphite's layered structure allows for easy shear between layers, providing natural lubrication. This property, combined with its thermal stability, makes it ideal for use in harsh environments. The blocks are typically machined to precise dimensions to fit specific industrial equipment.
Physical and Chemical Properties
The primary component of these blocks is carbon, arranged in a hexagonal crystalline structure. This structure grants graphite its notable properties: high thermal conductivity (up to 150 W/m·K), electrical conductivity, and resistance to thermal shock. The self-lubricating feature arises from the weak van der Waals forces between graphene layers, allowing them to slide over each other. Chemically, graphite is inert to most acids, alkalis, and solvents, making it suitable for corrosive environments. However, it can oxidize at high temperatures in the presence of oxygen. The density and porosity of the blocks can be adjusted during manufacturing to meet specific application requirements.
Main Applications
These graphite blocks are predominantly used in the production of negative electrodes for lithium-ion and other advanced batteries. Their conductivity and stability enhance battery performance and lifespan. In metallurgy, they serve as molds for continuous casting, benefiting from their high melting point and lubrication. Additionally, they are employed in chemical reactors and heat exchangers due to their corrosion resistance. The self-lubricating property reduces maintenance needs in mechanical systems, such as bearings and seals, where traditional lubricants would fail under extreme conditions.
Safety and Storage
While graphite is non-toxic, machining these blocks can generate fine dust, which poses inhalation risks. Proper ventilation and personal protective equipment (PPE), such as masks and goggles, are recommended during handling and processing. The blocks should be stored in a dry environment to prevent moisture absorption, which could affect their performance. Avoid exposure to strong oxidizing agents, as graphite can react under certain conditions. Fire hazards are minimal due to graphite's high ignition temperature, but dust accumulation should be managed to prevent combustion risks in confined spaces.
B2B Procurement Guide
When procuring self-lubricating graphite blocks, focus on purity levels (typically 99% or higher for industrial use), as impurities can affect conductivity and lubrication. Verify the block dimensions and tolerances to ensure compatibility with your equipment. Custom machining services are often available for specialized applications. Suppliers should provide material certifications and test reports for key properties like density and resistivity. Bulk purchases may offer cost savings, but ensure storage conditions are adequate to maintain material quality. Lead times can vary based on customization requirements, so plan procurement accordingly.
Related Manufacturers
- 主营：石墨块、石墨板、高纯石墨管、电极制品
- 主营：石墨电极、石墨匣钵、石墨舟皿、石墨坩埚、高纯石墨管
- 主营：高纯石墨、石墨板、石墨模具、石墨棒、石墨粉、石墨乳、鳞片石墨、土状石墨、石墨管、柔性石墨
- 主营：反光衣、充电桩、电流表、墙纸刀、钳形表、切割机、护目镜、发电机、钢卷尺、手电钻、混凝土、裁纸刀、冲击钻、反光背心、安装服务、防尘口罩、电动锂电、防风防尘、防毒面具、扭力扳手、防护手套、冲击扳手、活动扳手
- 主营：石墨棒、石墨板、石墨电极、高纯石墨、石墨坩埚、石墨异形件、石墨焊接块
- 主营：石墨模具、石墨坩埚、石墨板、石墨块、石墨加工件、石墨片、石墨纸、石墨垫、石墨环、石墨筒、石墨套、石墨轴承、石墨制品、石墨电极、石墨螺栓、石墨集束轮、石墨匣钵、石墨异型件、石墨密封件、热弯模具
- 主营：冲针、外导柱导套、异型冲头、耐磨块、独立导柱
- 主营：青铜轴承、滑动轴承、无油铜套、石墨铜套、自润滑轴承、青铜基自润滑铜套、自润滑铜套、双金属自润滑轴承、铜滑块、黄铜轴承、复合轴承、无油轴承、黄铜铜套、双金属铜套、双金属轴承、翻边轴承铜套、无油润滑铜套、铜套、无油滑动轴承、耐高温轴承、精密轴承、无油复合轴承、双法兰铜套、复合套铜衬套、锡青铜轴承
- 主营：高纯石墨、等静压石墨、EDM电火花石墨、石墨电极、石墨粉、石墨坩埚、石墨板、石墨棒、石墨模具、石墨转子、石墨轴承、石墨环、石墨热场、石墨烯、石墨片、石墨柱、石墨套、放热焊接石墨模具、石墨换热器、石墨散热器、石墨毡、膨胀石墨、增碳剂、真空泵碳片、碳毡
- 主营：石墨棒、石墨制品、石墨板、石墨坩锅、石墨配件、石墨电极、石墨冷铁、石墨模具、真空炉石墨、石墨连接片、石墨异形件、石墨方舟、石墨加热板、真空炉石墨加热配件、真空炉波纹管、真空波纹管
- 主营：石墨模具、石墨坩锅、石墨块、石墨板、石墨管、石墨环、石墨棒、石墨匣钵、石墨圈、石墨转子、石墨盒子、石墨锅、f-2石墨、阳极块、石墨浇管、柔性石墨、石墨大梁、石墨轴套、迷山石墨、石墨制品、模具石墨、石墨螺栓、石墨加热器、碳素制品、电池碳棒
- 主营：石墨烯、石墨板、膨胀石墨、高纯石墨、等静压石墨、石墨棒、石墨纸、石墨粉、石墨模具、石墨换热器、石墨管、石墨乳、石墨矿、石墨环、石墨设备、石墨坩埚、石墨块、石墨柱、石墨粒、石墨舟、石墨套、石墨螺丝、石墨片、鳞片石墨、增碳剂
- 主营：导柱、导套、滑动导柱、自润滑、滚珠导柱、独立导柱、冲针、滚珠铜套、滚珠铝套、冲头、凹模、凸模、氮气弹簧
- 主营：密封条、滑移滑板、铜基滑板、钢复滑块、闸门滑块、自润滑轴承、自润滑钢复轴承、止水承压垫、止水橡胶条、铜基镶嵌轴承、工程塑料轴承、复合材料轴承、工程塑料合金板、复无油关节轴承
- 主营：密封圈、耐火砖、柔性纸、石墨纸、石墨环、石墨绳、石墨板、石墨块、石墨坩埚、填料环、铜合金、景观转、透水砖、铝合金、薄铝板、景观砖、坩埚模具、亚克力棒、花纹铝板、亚克力板、铜板铜棒、铜棒铜管、不锈钢板、黏土坩埚、合金铝板
- 主营：高纯石墨电极、高纯石墨转子、高纯石墨模具、高纯石墨坩埚、石墨粉、石墨环、浸渍石墨