What is a solid state battery

Introduction What is a solid state battery? A solid-state battery is a battery that uses solid electrodes and solid electrolytes. Solid-state batteries refer to batteries without liquid inside and are made of inorganic substances or organic polymers.

What is a solid state battery

A solid-state battery is a battery that uses solid electrodes and solid electrolytes.

A solid state battery means that there is no liquid inside the battery and inorganic or organic polymer solids are used as the battery electrolyte . Solid-state lithium battery technology uses a glass compound composed of lithium and sodium as a conductive material to replace the electrolyte of previous lithium batteries, thereby significantly increasing the energy density of lithium batteries.

Solid-state batteries have the advantages of good safety, high energy density and high cycle performance; the disadvantages are high impedance and high cost. While the scientific community believes that lithium-ion batteries have reached their limits, solid-state batteries have been constunned in recent years as batteries that could succeed lithium-ion batteries.

Solid-state lithium battery technology uses a glass compound composed of lithium and sodium as the conductive material, replacing the electrolyte of previous lithium batteries and significantly improving the energy density of batteries lithium.

Advantages of solid-state batteries

1. High energy density, which can reach twice the energy density of current ternary lithium batteries for the same weight. , Get double the cruising range. For example, the semi-solid battery launched by Weilan New Energy has an energy density of 360 Wh/kg and can achieve a range of 1,000 kilometers on a single charge. All-solid-state batteries can achieve higher energy density, breaking the current limited energy density of bed batterieshium.

2. Good safety performance. Without the liquid electrolyte, there will be no electrolyte leak or internal short circuit. The solid electrolyte can also better inhibit lithium dendrites and has chemical and electrochemical stability for lithium metal sex. If high performance and a radical electrochemical system are required, lithium dendrites will also grow in the solid electrolyte under certain conditions, and there is a risk of internal short circuit.

The difference between solid-state batteries and lithium batteries

The new solid-state lithium metal battery can be fully charged in 3 minutes, which will definitely change the battery industry. The development trend of new energy vehicles is very good. The only problem is that there is no way to solve the impact of batteries. If the battery can be cfully charged in three minutes, people will have no worries while traveling. Even if there is no electricity, you can afford to wait three minutes. You should know that there are charging stations everywhere, so there is no problem if you can't find them. With these guarantees, consumers will have no worries when purchasing a car. I think it's very good to spend tens of thousands of dollars to buy a carrying tool, and it will bring a lot of convenience to my life.

After a breakthrough in battery materials, there will be a size gap. The energy density of the battery is very high and the charging speed is very fast. If the cycle continues, it can be charged more than 3,000 times. It’s really exciting to face such technological advances. If it can reach 10,000 times, it will definitely bring huge changes to the industry. Scientists have never given upThere is research in this area, but they are constantly pursuing it.

Gasoline for fuel-burning vehicles is becoming more and more expensive, and most people have no way to fill up. Refill oil onceIt is often several hundred yuan or 1,000 yuan more than before, depending on the car model. Faced with this situation, even if I have a car at home, I don't dare to drive it. For yourself, you can save money if you can, and you definitely don't want to spend too much money in this area. The car must be maintained on time, otherwise parts will be damaged.

In general, you should make a detailed strategy before buying a car and make a purchase based on your own business conditions. If you don't have a lot of money, you may choose to purchase a new energy source. Even if there is no way to preserve the value, it may serve a purpose.urgent care. Although fuel vehicles are good, their overall price is several times higher than that of new energy vehicles. If your financial capacity is average, you can choose to use a loan to help you buy a car.

Lithium-ion electrolytes with different energy densities are liquids and exist in the form of gels and polymers, making it difficult to reduce the weight of the battery. The electrolyte in lithium batteries is liquid, while the electrolyte in solid-state batteries is solid.

Lithium-ion batteries use an organic liquid electrolyte, which can be used under abnormal conditions such as overcharge and internal short circuit. Batteries tend to heat up easily, causing the electrolyte to swell, which can spontaneously ignite or even explode.

Solid-state batteries present the aadvantage of good security. Fluid electrolyte batteries are flammable and explosive, which can easily pose safety hazards. Solid electrolyte can inhibit lithium dendrites, is not easy to burn, is not easy to explode, has no electrolyte leakage, and will not cause side reactions at high temperatures.

Cause a short circuit

When working under high current, the diaphragm will not be pierced by the lithium dendrites and will not cause short circuit, and no side reactions will occur at high temperatures, there is no combustion due to gas generation, and the energy density is high. The energy density of liquid electrolyte batteries exceeding 500Wh/kg is considered impossible. With the all-solid electrolyte, the battery does not need to use lithium-embedded graphite negative electrodesm, but directly uses metallic lithium as the negative electrode. This can significantly reduce the amount of negative electrode material and significantly improve the overall energy density. battery.

The energy density that solid-state battery research and development can provide can basically reach 300-400 Wh/kg, and the service life is strong. Solid electrolyte solves the problem of solid electrolyte interface film and lithium dendrite phenomenon formed by liquid electrolyte during the charging and discharging process. It greatly improves the cycleability and lifespan of lithium batteries and can ideally reach around 45,000 times.

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