Why Solid-State Batteries Will Revolutionize Electric Cars?

The future so-called solid battery technology will be a true revolution in the electric car range war.

At Mobiwisy, we almost never start an article without urging you to lease, and definitely not to buy your electric car. The upcoming revolution is such that a car today at the top – Tesla Model Y for example – will be obsolete in 24 months. And by obsolete, we mean “totally left behind.”

We are not in a scale of slight evolution like with gasoline engines at the end of the 2000s, where a new model improved fuel consumption by 0.2 liters per 100 km. No, these are real paradigm shifts, of such power that a Tesla Model Y 2025 will be fit for the nursing home in less than 2 years. Trust us!

1. A higher energy density for more range

The automotive industry is undergoing a transformation, driven by the rise of electric vehicles (EVs) and the quest for more efficient batteries. Among the most promising advancements, solid batteries are generating increasing enthusiasm. They could revolutionize electric mobility by offering more range, faster charging, and improved safety. But what makes them so revolutionary?

One of the main barriers to the adoption of electric vehicles remains the limited range. Current lithium-ion batteries use a liquid electrolyte that constrains their energy storage capacity.

Solid batteries, on the other hand, replace this liquid electrolyte with a solid electrolyte, which allows for:
✅ A higher energy density: they store more energy in the same size.
✅ Increased range: some prototypes reach 800 km, or more, compared to the average 300 to 500 km today.
✅ Improved energy efficiency, with reduced charge loss.

2. Ultra-fast charging for massive adoption

Current charging times remain a barrier for many drivers accustomed to filling up with gasoline in a matter of minutes. Solid batteries could drastically reduce charging time thanks to better conductivity and more stable chemistry.

🔋 Charges in just 10 to 15 minutes are anticipated, compared to 30 minutes to 1 hour for fast lithium-ion batteries.

This advancement would enable massive EV adoption by making their use as convenient as that of combustion cars.

3. Enhanced safety: reduced fire risks

Current lithium-ion batteries present a risk of overheating and fire in the event of a short circuit or violent shock. This is due to the presence of a liquid electrolyte, which is flammable under certain conditions.

Solid batteries, however:
🔥 Are much more thermally stable, reducing the risk of thermal runaway.
🚗 Better withstand impacts and offer improved longevity.
🔄 Will avoid certain overheating incidents that today require bulky cooling systems.

4. An extended lifespan and improved durability

Another advantage of solid batteries is their better longevity.

⏳ They can support a greater number of charge-discharge cycles before losing performance.
♻️ They are potentially more recyclable, thus reducing the ecological impact of batteries.

Manufacturers like BYD, Toyota, BMW, or Volkswagen are betting on these new batteries to offer more durable and cost-effective vehicles in the long run. Strangely, Tesla is silent on this matter, being totally dependent on its subcontractors with whom it has had significant conflicts.

5. A technology soon on the market?

Several companies are actively working on solid batteries:

Toyota and BYD plan to market them by 2027 in large production.
QuantumScape, backed by Volkswagen, promises solid batteries within a few years.
Samsung and LG are also developing their own solutions.

The remaining challenges concern manufacturing costs and industrial scalability. But with massive investments in R&D, these batteries could very well become the standard for electric vehicles by the next decade.

A major turning point for electric cars

Solid batteries promise increased range, ultra-fast charging, and enhanced safety, all elements that would eliminate the last barriers to the massive adoption of electric vehicles.

If their market arrival materializes in the next few years, they will mark a real revolution in the automotive industry, making electric cars more competitive than ever against combustion models.