2023-09-06

Introduction to Graphite Electrodes

Graphite electrodes are made of petroleum coke and asphalt coke as aggregates, coal tar pitch as binder, and undergo raw material calcination, crushing and grinding, batching, kneading, forming, roasting, impregnationA high-temperature resistant graphite conductive material made by graphitization and mechanical processing, called artificial graphite electrode (referred to as graphite electrode), to distinguish it from using natural graphiteA natural graphite electrode prepared from raw materials.Graphite electrodes are mainly used as conductive electrode materials for arc steelmaking furnaces.

2023-05-15

How to extract high -carbon graphite

The high -carbon graphite extraction method and the flotation method is low in the purity of minerals and the loss of reagents. This is the advantage of purifying high -carbon graphite. However, the application of floating and purifying graphite can only make the graphics of graphite unlimited improvement. For sheet -shaped graphite, not only can not solve its complete monomer, but it is not conducive to maintaining large hungusgogi. High carbon graphite must be chemically purified for graphite.(1) Pure method of high carbon alkali acidic acid. The carbon content purified by alkaline is more than 99%of the carbon content, which has the characteristics of less one -time investment, high product grade, and strong process adaptability. It also has a strong generality. The purity of non-metal minerals can use the advantages of alkali-acid method, and the alkali-acid method is the most commonly used method in my country today.(2) High -carbon graphite chloride and roasting method. The chlo

2023-04-18

Graph

Floating method is a type with less energy consumption and reagent consumption and low cost in the conventional purification method of minerals. Real limited improvement. For scales graphite, multi -segment grinding ore cannot be completely unbuttoned, but it is not conducive to protecting large scales of graphite. Therefore, the use of flotal methods to further improve the graphite quality. High carbide graphite with more than 99%must be pure graphite with chemical methods.(1) chloride roasting methodThe low roasting temperature and smaller chlorine gas consumption of chloride roasting method have greatly reduced the production cost of graphite. At the same time, the carbon content of graphite products is equivalent to the treatment of hydrofluoric acid method. Compared with the recovery rate of chloride and roasting method, because the chlorine gas is poisonous and has strong corrosiveness, it requires high requirements for equipment operations. It requires strict requirements. Seal

2023-04-03

The shortcomings and prevention of graphite mold heat treatment process

The application prospects of graphene in the field of battery materials

In today's science and technology era, research and development in the field of battery materials are in the stage of high -speed development. As people's demand continues to increase, the needs of more efficient, environmentally friendly and safe battery materials are becoming increasingly urgent. As an important new material, graphene is receiving more and more attention and research. This article will explore the application prospects of graphene in the field of battery materials.Graphene is a single -layer honeycomb structure composed of carbon atoms, with excellent physical and chemical properties. Its conductivity, thermal conductivity, and mechanical strength all have very outstanding performance. These excellent properties provide extensive possibilities for the application of graphene in the field of battery materials.First, graphene can be used as an electrode material for the battery. Compared with traditional electrode materials, graphene has a higher surface area and bett

2022-11-22

Do you know the difference between carbon felt purification and graphite felt?

Carbon felt is a felt made of carbon fiber, which has a wide absorption spectrum and a large capacity. Graphite felt can be made by high temperature graphitization. Graphite felt is mainly used as thermal insulation material for monocrystalline silicon smelting furnace.Carbon felt purification can be used as adsorption purification material, as insulation material for vacuum furnace and inert gas furnace. In addition, carbon fiber materials have advantages in fields that have strict requirements on strength, stiffness, weight, fatigue characteristics, etc., and in occasions that require high temperature and high chemical stability. The carbon content is about 90%, and the service temperature is about 1000 degrees Celsius.The main use of graphite felt is as insulation material for monocrystalline silicon smelting furnace. It can be used as a filter material for high-purity corrosive chemicals in the chemical industry. Under the condition of non-oxidizing atmosphere, the service tempera

2023-06-25

Antioxidant treatment method for battery specific graphite

The antioxidant treatment process of battery specific graphite includes material preparation, weighing, impregnation solution preparation, impregnation electrode treatment, and drying treatment. After graphite electrode treatment, it can be processed into various specifications of graphite electrode products. The treated graphite electrode is the same as the untreated graphite electrode. Compared with graphite electrodes, it has the characteristics of smooth surface and good conductivity. The mechanical design strength can be increased by 50-60%, the porosity gradually decreases by 10-15%, and the electrode material consumption can be reduced by 20-25%. Electrode consumption can be reduced by 20-25%.The antioxidant treatment of battery specific graphite has the following properties:(1) Preparation material weighing: Weigh the graphite electrode and provide qualified materials to be processed;(2) Preparation and heating of impregnation solution: The composition of impregnation solution

2023-04-04

Why add graphite powder to glass fiber?

Glass fiber enhanced plastic (FRP) is a composite composite material based on synthetic resin. It has the advantages of light weight, high strength, corrosion resistance, microwave transmission, electrical insulation, and reasonable performance design according to requirements. It has been widely used in aerospace, petrochemicals, transportation, construction, shipbuilding, machinery, environmental protection, textile and other fields. Glass fiber enhanced plastic (FRP) has good electrical insulation property. Under normal circumstances, the amount of graphite powder is 2.5 ~ 5%, which can reach 30 ~ 50%. So why add graphite powder to glass fiber?From an economic and technological perspective, it is best to choose inorganic abrasive materials, so the amount of graphite powder in the abrasion -resistant material of the glass fiber reinforcement is relatively large. In short, glass fiber wear -resistant materials, because its matrix is a polymer material, fills solid lubricants and vari

2023-03-08

Many new main uses of graphite have already been developed and designed

Many new main uses of graphite have long been developed and designed with the development trend of scientific and technological progress. Graphite has many new main uses. High -purity graphite products are used for high -purity metallurgical industry, electronics industry, Chinese nuclear industry and mold processing; general graphite products can be used as a wall -building raw material for mining with aluminum electrolytic grooves, non -metallurgical tunnel furnaces, and non -ferrous metal furnaces. Calcium residual raw materials can be used as carbon increases for ironmaking industry. There are many types of carbon quality raw materials used to seepage nitrogen, including artificial synthesis of graphite, petroleum coke, casting focus, and pure natural graphite.Graphite products are at least within 2000 degrees. This is because carbon must be graphite at a high temperature natural environment of 2000-3300 degrees at a high temperature and natural environment of at least 10 days and

2023-10-08

Graphite anode usage

In an electrolytic cell, the current flowing into the electrolyte from this point is called a graphite anode plate. In the electrolysis industry, the anode is generally made into a plate shape, so it is called a graphite anode plate. It is widely used in ferries, wastewater treatment, industrial anti-corrosion equipment, or as a special material.Compared with other materials, graphite anode plates have advantages such as high temperature resistance, good conductivity and thermal conductivity, easy mechanical processing, good chemical stability, acid and alkali corrosion resistance, and low ash content; Used for electrolyzing aqueous solutions, producing chlorine, caustic soda, and electrolyzing salt solutions to produce alkali; For example, graphite anode plates can be used as conductive anodes for electrolysis of salt solution to produce caustic soda. Graphite anode plates can be used as conductive anodes in the electroplating industry, making them an ideal material for various elect