The 2024 Complete Guide to Solid State Battery vs Lithium Ion

solid state battery vs lithium ion
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In today’s fast-paced world, the energy that powers our devices is as important as the devices themselves. Electricity has become a necessity for everyone’s life and work, and in the field of electricity, batteries are undoubtedly a crucial part.

Solid state battery vs lithium ion are the two most common battery types, and they have their own advantages and disadvantages and their impact on the future. This article will lead you to a comprehensive understanding of the different mysteries of solid state battery vs lithium ion!

Basic Concepts of Solid-state Batteries

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Solid state battery definition

A solid-state battery is a battery that uses solid electrodes and solid electrolytes. This battery technology uses glass compounds made of lithium and sodium as conductive materials. There is no liquid, but inorganic or organic polymer solids serve as the electrolyte of the battery.

How solid-state batteries work

The working principle of solid-state batteries is based on electrochemical reactions, which store and release electrical energy through chemical reactions between the positive and negative electrodes. The heart of a solid-state battery is its use of a solid electrolyte, which conducts ions.

When the battery is charged, lithium ions migrate from the positive electrode material to the negative electrode material, and electrons flow from the negative electrode to the positive electrode; when the battery is discharged, lithium ions migrate from the negative electrode material to the positive electrode material, and electrons flow from the positive electrode to the negative electrode.

Solid-state Battery Applications and Advantages

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New energy-powered vehicles: Solid-state batteries can improve the safety of new energy vehicles, help electric vehicles achieve a range of more than 1,000 kilometers, and reduce battery failure and fire risks.

Energy storage systems: Solid-state batteries support the storage and distribution of renewable energy and are of great value for grid energy storage and home energy storage. Their ability to provide more stable, longer-term energy storage solutions is critical to achieving clean energy self-sufficiency in households and driving a revolution in energy consumption.

Aerospace and navigation: The application of solid-state battery technology in the space shuttle field has made significant progress. For example, the high-energy-density solid-state battery developed by NASA has demonstrated its excellent performance in extreme environments.

Consumer electronics: Smartphones, tablets and other consumer electronics products have growing demands for thinner, lighter and higher energy density batteries. Solid-state batteries can meet these demands and improve the user experience.

Drones and smart wearable devices: The high energy density and safety of solid-state batteries make them ideal for drones and smart wearable devices, helping to improve the performance and safety of use of these devices.


High energy density: Solid-state batteries use solid electrodes and solid electrolytes. Compared with liquid electrolytes, solid-state electrolytes have a more stable crystal structure, making ions move more efficiently, so solid-state batteries have higher energy density. This means solid-state batteries can store more energy, providing longer battery life.

Fast charging: Solid electrolyte has high ionic conductivity, so solid-state batteries can achieve fast charging, greatly shortening the charging time. Moreover, solid-state batteries can support higher-power charging methods, further improving charging efficiency.

Good safety: Traditional liquid batteries have safety risks such as leakage and explosion, while solid-state batteries use solid electrolytes, which are not easy to leak or explode, so they are safer.

Good low-temperature performance: In low-temperature environments, the viscosity of liquid electrolytes will increase, affecting the ion conduction speed, but solid electrolytes are not affected by this, so the performance of solid-state batteries in low-temperature environments is more stable.

Long cycle life: As a single ion conductor, the solid electrolyte will not cause side reactions, avoiding the formation of a solid electrolyte interface film during the charge and discharge process, thereby avoiding the problem of capacity decline. Therefore, solid-state batteries have longer cycle life.

Basic Concepts of Lithium-ion Batteries

Lithium-ion battery definition

Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the negative electrode material and uses a non-aqueous electrolyte solution. This type of battery can be a primary battery or a storage battery, and it mainly relies on the movement of lithium ions between the positive and negative electrodes to work. Lithium batteries have high energy density and are widely used in electronic equipment, electric vehicles, and energy storage systems.

How lithium-ion batteries work

How lithium-ion batteries work
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Lithium-ion batteries store and release energy by moving lithium ions between the positive and negative electrodes. During the charging process, lithium ions flow from the positive electrode (lithium compound) to the negative electrode (carbon or silicon material). During the discharge process, lithium ions move from the negative electrode back to the positive electrode. This reaction occurs through ionic conduction in the electrolyte.

Lithium-ion Battery Applications and Advantages


Consumer electronics: such as smartphones, tablets, laptops, digital cameras, etc.

Power tools: including electric screwdrivers, electric drills, electric saws, etc.

New energy vehicles: As the main power source for pure electric vehicles, hybrid vehicles and plug-in hybrid vehicles.

Energy storage system: Energy storage system for renewable energy sources such as solar and wind energy, as well as energy storage equipment for smart grids.

Medical equipment: such as pacemaker, blood glucose meter, B-ultrasound machine, etc.

Industrial equipment: including industrial automation equipment, robots, drones, etc.

Military field: used in military communication equipment, navigation system weapons and equipment, etc.

Aerospace: The high energy density and long life of lithium batteries make them widely used in the aerospace field, such as auxiliary power supplies for aircraft, power systems for space shuttles, etc.

Financial and security equipment: including mobile payment terminals, surveillance cameras, alarms, etc.


High energy density: The energy density of lithium batteries is much higher than traditional lead-acid batteries and nickel-metal hydride batteries, which means that at the same weight, lithium batteries can store more energy, which makes lithium batteries suitable for applications that require high energy density applications.

Long life: Lithium batteries generally have a longer service life than lead-acid batteries and nickel-metal hydride batteries, which can reduce the frequency of battery replacement and maintenance costs.

Low self-discharge rate: Lithium batteries have a low self-discharge rate and can maintain a high charge even if they are not used for a long time. This makes lithium batteries suitable for devices that require long-term storage, such as solar energy storage systems.

Fast charging: Lithium batteries can be charged quickly, which greatly reduces charging time and improves usage efficiency.

Environmental protection: Lithium batteries do not contain environmentally harmful substances, such as lead, cadmium, etc., so they have less impact on the environment. In addition, lithium batteries can reduce resource waste through recycling and reuse.

Lightweight and compact: Lithium batteries are lightweight and relatively small, which makes them ideal for use in portable devices.

High voltage: Lithium batteries can withstand higher voltages and are suitable for driving high-power equipment, such as electric vehicles and high-performance power tools.

Wide operating temperature range: Lithium-ion batteries can operate in a temperature range of -25°C to 60°C and are suitable for a variety of environmental conditions.

No memory effect: Lithium-ion batteries have no memory effect, which means they can be charged at any time without damaging battery life.

4 Comparisons of Solid State Battery vs Lithium Ion

Number of recharges

Typically, the life of a lithium-ion battery is around 500 to 1,000 charge and discharge cycles. However, solid-state batteries can greatly extend their life due to their special structure, and some can even achieve more charge and discharge cycles.


Solid-state batteries offer greater safety. Because it uses a solid electrolyte, it avoids leakage that may occur during use of the liquid battery, and it is less likely to explode even under severe impact.

Energy Density

The energy density of solid-state batteries can reach 2 to 3 times that of lithium-ion batteries. This means that solid-state batteries can store more energy for the same weight.


Solid-state batteries are currently more expensive and have complex manufacturing processes. The cost is higher than lithium-ion batteries and they are not easy to produce in large quantities. Lithium-ion batteries have been around longer and are cheaper to make.

The Future of Solid State Battery vs Lithium Ion

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Solid-state Batteries

As solid-state battery technology continues to advance, its cost is gradually declining, and solid-state batteries will become an important force in promoting industry development. It has greater potential to transform energy storage in the future. Solid-state batteries are safer, have high energy density, have long lifespan and have fast charging capabilities.

However, due to the presence of metallic lithium anodes and solid electrolytes, the manufacturing process of solid-state batteries is very different from that of lithium-ion batteries. Therefore, it is still a challenge to connect the production of solid-state batteries with commercial applications in the future.

Lithium-ion Batteries

Lithium-ion batteries with the advantages of high energy density, high power density, and long cycle life have occupied an important position in consumer electronics, energy storage power supplies, electric transportation, military equipment, aerospace and other fields over the past 30 years.

Currently, with the rise of advanced energy technology fields such as electric vehicles, large-scale energy storage, smart grids, and energy Internet, lithium-ion batteries have penetrated into all aspects of our lives, including mobile phones, laptops, and electric vehicles. With the continuous advancement of technology and the expansion of application fields, lithium-ion batteries will continue to play an important role and contribute to the development of human society.


By carefully comparing solid state battery vs lithium ion, we can discover their respective strengths and areas for improvement. Although solid-state batteries offer better safety and potentially higher energy density, lithium-ion batteries still dominate many applications.

As with any major purchase, if you have battery needs, you need to consider your options. GYCX is a one-stop industry expert, you can contact us. If you are interested in pairing battery storage with your system, you can click here to get an immediate quote.


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