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Lithium batteries and supercapacitors are two very promising and widely used energy storage devices, with significant differences in their principles, characteristics, and application ranges, each with their own strengths. Since its inception, graphene has been regarded as a revolutionary energy storage material due to its strong conductivity. Imagine what kind of sparks would be generated if supercapacitors, lithium batteries, and graphene were combined?

Charge for 5 minutes! Range of 500 kilometers! Graphene batteries make power worry free!

Graphene is a single atomic layer planar thin film composed of carbon atoms, with a thickness of only 0.34 nanometers, and a single-layer thickness equivalent to 150000 times the diameter of a hair strand. It is currently the lightest, thinnest, and hardest nanomaterial known in the world, with good light transmittance and foldable properties. Because there is only one layer of atoms, the motion of electrons is limited to a plane, and graphene also has new electrical properties. Graphene is the most conductive material in the world. Adding graphene composite conductive powder to traditional mobile phone lithium batteries improves the rate charging and discharging performance and cycle life of the battery.

However, the preparation technology challenge is the biggest obstacle to graphene realizing its potential value. At present, most graphene battery technologies are still in the research and development experimental stage. Do we really have to wait for a long time?

Recently, Polycarbon Power, a wholly-owned subsidiary of Zhuhai Polycarbon Composite Materials Co., Ltd., has developed a truly commercial product for graphene batteries, bringing graphene batteries in the laboratory stage into the battery market and successfully solving the problems of instability, slow charging, and low capacity of existing power batteries.

Zhuhai Ju Carbon adopts a comprehensive performance balance design approach, cleverly introducing new graphene based composite carbon materials into the positive and negative electrodes of capacitor batteries, combining ordinary supercapacitors with high-energy batteries, and developing a new type of ultra-high performance battery.

The first graphene battery will be first applied to electric vehicle batteries, and it is expected to be available to users by the end of this year or early next year. In the second half of next year, commercial graphene batteries used in the field of mobile phone batteries will also be available. At that time, the battery life, fast charging capacity, and safety issues of mobile phone batteries will be solved one by one.

The staff of Zhuhai Polycarbon Composite Materials Co., Ltd. stated that currently, the common electric vehicle batteries in the market are lithium iron phosphate batteries, ternary lithium batteries, and lithium manganese oxide batteries. These three types of batteries each have their own advantages and disadvantages, but car buyers can choose different batteries based on their respective advantages and disadvantages. And there is another type of battery, which is graphene battery, which is a completely disruptive creation and can avoid incidents like Tesla car battery self ignition.

Polycarbon Power has mastered the preparation technology of graphene batteries. By adding graphene to the positive and negative electrode materials of lithium batteries, the internal resistance of the battery is reduced, achieving high rate fast charging and discharging and significantly improving the battery's cycle life. At the same time, it also enhances the battery's ability to withstand high and low temperatures. This is the core technology of carbon gathering power, which cannot be replicated by other enterprises. The popularization of graphene batteries will be a leap for electric vehicles. Once graphene batteries are applied to electric vehicles, it will be a disruptive change for the entire automotive industry.

core technology

The core technological mystery lies in the adoption of a comprehensive performance balancing design approach, cleverly introducing new graphene based composite carbon materials into the positive and negative electrodes of capacitive batteries, achieving the integration of ordinary supercapacitors and high-energy batteries, thus combining the excellent performance of ordinary supercapacitors and storage batteries.

purpose

Graphene all carbon capacitor batteries are a new type of versatile power source. It can solve the power problem of electric vehicles and can also be applied in surface ships, drones, and aerospace fields. Especially its unique safety performance will have a profound impact on the development of the electric vehicle industry. This product combines the advantages of lithium-ion battery energy density and supercapacitor power density. According to the new national standard testing, it has a cycle life of over 4000 times and a temperature range of -30 degrees Celsius to -70 degrees Celsius. On the basis of ensuring a certain driving range, it can achieve high current fast charging and ultra long cycle service life.

Technological breakthroughs

The advantage of the new graphene all carbon capacitor battery is its large energy storage capacity, which is converted from electrical energy to chemical energy and then released as electrical energy. Its energy density has exceeded that of the best lithium-ion batteries currently available, and its power density is close to that of supercapacitors. In terms of structure, it achieves the integration of batteries and traditional capacitors, achieving the advantages of both batteries and capacitors.

Performance advantages

Safe and stable, a new type of graphene polycarbonate capacitor battery. After being fully charged, use a nail gun to short circuit it without any reaction; Burning on fire will not cause an explosion.

Fast charging speed; Graphene polycarbonate batteries can be charged with a high current of 10C. A single battery can be fully charged in just 6 minutes, and hundreds of batteries can be charged in series, achieving over 95% in 10 minutes.

High power density, up to 200W/KG~1000W/KG, equivalent to more than three times that of lithium batteries.

Excellent ultra-low temperature characteristics, capable of working in environments below minus 30 ℃.

Complete analysis of the principle and performance of capacitive lithium-ion batteries

1. Working principle of supercapacitors and lithium batteries

Fundamentals of Research and Development of 2 Capacitive Lithium ion Batteries

1) Frequent high current shocks have a significant adverse effect on battery performance

2) Parallel connection of large capacity capacitors at both ends of the battery can indeed buffer the impact of high current on the battery, thereby extending the battery's cycle life

3) If internal connections are used to ensure that each battery material particle is protected by the capacitor, it should be able to extend the battery cycle life and improve the battery power characteristics

Working principle of 3 capacitive lithium-ion batteries

Capacitive lithium-ion batteries combine the working principle of double-layer supercapacitors with lithium-ion batteries. The electrode material of lithium-ion batteries is fused with that of supercapacitors, and the device includes both the physical energy storage principle of the double-layer capacitor and the embedding and deintercalation chemical energy storage principle of lithium-ion batteries, forming a capacitive lithium-ion battery.

Key technical issues in the development of capacitive lithium-ion batteries:

Design issues with electrode composition

Matching problem of working voltage

Design issues of electrolyte components

Structural design issues that match performance

applied technology

Classification of 4 capacitive lithium-ion batteries

Performance of 5 capacitive lithium-ion batteries

Application of 6 capacitive lithium-ion batteries

Electric vehicle power supply

Electric motorcycle and bicycle power supply

Various energy storage devices (wind energy, solar energy, energy storage cabinets, etc.)

Electric tools

field

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