-What are the advantages and disadvantages of graphene batteries

What are the advantages and disadvantages of graphene batteries
author:enerbyte source:本站 click52 Release date: 2024-08-27 10:27:53
abstract:
Advantages of Graphene Batteries1. The application scope is wide, and it is widely used in the fields of mobile terminals, aerospace engineering, and new energy battery industry.2. Based on its high conductivity, high strength, and ultra-thin properties, graphene has distinct advantages in the aeros...

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Advantages of Graphene Batteries

1. The application scope is wide, and it is widely used in the fields of mobile terminals, aerospace engineering, and new energy battery industry.

2. Based on its high conductivity, high strength, and ultra-thin properties, graphene has distinct advantages in the aerospace industry. Not long ago, NASA of the United States developed and designed graphene temperature sensors for the aerospace industry, which can effectively test nutrients in the upper layers of the universe and functional deficiencies on space shuttles. And graphene will also be fully mobilized for more critical applications in potential fields such as ultra light aircraft materials

3. Graphene is the most suitable material for conductivity in the world today. Adding graphene composite conductive powder to traditional lithium-ion batteries for mobile phones enhances the battery's rate battery charging and discharging performance indicators and cyclic application time limit; 4. Safe, reliable, and relatively stable, the new graphene based carbon capacitor battery uses a nail ejector to short-circuit and prevent any chemical reactions when fully charged; Placed on a fire to burn, there will be no explosion accidents;

5. When electrons transmit data in graphene, they do not easily cause electron scattering. The electron density can reach 200000 cm2/(V * s), which is about 140 times that of silicon. Its conductivity can reach 104 S/m, making it the most suitable material for conducting electricity at indoor temperatures.

6. The application time limit is four times that of traditional nickel hydrogen batteries and twice that of lithium-ion batteries

7. The charging efficiency is high, and its total weight is only a part of traditional batteries. In terms of charging speed. Graphene batteries can be upgraded in performance to a higher level

Disadvantages of Graphene Batteries

1. There are still issues with the craftsmanship itself, and it's not yet evening. Compatibility issues, due to the large specific surface area of graphene, can cause chaotic process problems in the dispersion and homogenization processes of existing lithium-ion batteries;

2. The graphene batteries on the market are not pure graphene batteries, but are based on lithium-ion batteries mixed with some graphene related technologies. Compared with traditional lithium-ion batteries, the performance index enhancement caused by graphene is only a little bit. In addition, the cost of graphene is extremely expensive, and its manufacturing process is particularly high. The production process of graphene batteries is still not mature enough to achieve mass processing.

3. The traditional conductive properties of carbon/graphite are very cheap, all sold by ton, while graphene is very expensive. The price of over a thousand per gram is not something that ordinary companies can afford, far exceeding the price of gold jewelry, and customers of all types cannot afford it. Technologies like graphene, especially in the early stages of industrial development planning, may take three to four years before they are likely to appear in today's electronic products.

4. Human ingestion of graphene can cause harm to the human body and may be toxic. unsafe


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