Solid-state batteries offer opportunities for greater storage density, or electrical capacity. They also weigh less, and 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.
Gotion is a China-based battery supplier that traditionally develops, manufactures, and sells lithium-ion batteries for New Energy electric vehicles. It is based in China, but also has offices in Fremont California, Independence Ohio, Shanghai, Japan, Singapore, and Germany.
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