Fast-Charging Solid-State Battery From China

Solid-state batteries offer opportunities for greater storage density, or electrical capacity. They also weigh less, an

d use solid electrolytes that are less volatile. But they have hitherto suffered from instability that shortens their lives. A battery company in China has developed fast-charging solid-state technology, that apparently could change the rules of the game.Rapid-Charging Solid–State Development in China.
Batteries have become critical to low-carbon energy transition, and development of consumer-driven personal electric transport. Electronic Design revealed an important step in this direction on May 30, 2024, when it confirmed Gotion High-Tech’s new strategy.

This new direction involves a novel ‘g-current‘ battery with exceptional low-impedance, and high conductivity. This, Electronic Design says, can charge from 10% to 70% capacity in 9 minutes, and sustain 2,500 charge-discharge cycles.

China Daily reported on May 18, 2024 that this fast-charging solid-state ‘Gemstone’ battery has 350 watt-hours of energy density per kilogram, exceeding lithium-ion by 40%.

“The company has achieved a breakthrough in the manufacturing techniques of such batteries,” a spokesperson told them. “And has promoted prototype batteries to automotive-grade cell manufacturing.”

More Advantages in the ‘Gemstone’ Battery Design
The Gotion High Tech media release we link to below confirms that the ‘ultra-fast-charging’ Gemstone battery targets the electric vehicle market. And it also accommodates lithium-ion-phosphate, lithium-manganese-iron, and nickel-manganese-cobalt battery chemistries.

Furthermore, they add, the battery passed a ‘200-degree hot-box test’. This is notably higher than a 130-degree national standard, they say, heralding a further advance in battery-safety technology.