Electric vehicle (EV) maker Nio has taken a significant leap forward in battery technology with the 2024 Nio ET7 sedan. This luxury electric car boasts a staggering 1070 kilometers (665 miles) of range on a single charge, thanks to its innovative 150 kWh semi-solid state battery. This achievement shatters previous range limitations and ushers in a new era of electric mobility with significantly reduced range anxiety.

Groundbreaking Semi-Solid State Battery Technology

The Nio ET7's extended range is attributed to its revolutionary semi-solid state battery. This next-generation battery technology offers several advantages over traditional lithium-ion batteries:

  • Higher Energy Density: Semi-solid state batteries pack more power into a smaller space, enabling a larger battery capacity without sacrificing weight or cabin space. The 150 kWh battery in the ET7 delivers exceptional range while maintaining a comparable size to a traditional 100 kWh battery.
  • Faster Charging: Semi-solid state batteries have the potential for faster charging times compared to conventional lithium-ion batteries. This reduces downtime spent waiting at charging stations and improves overall convenience for EV drivers.
  • Improved Safety: The semi-solid electrolyte used in these batteries is considered to be more stable than the liquid electrolyte found in traditional lithium-ion batteries, potentially reducing the risk of fires.

Real-World Testing Validates Impressive Range

Nio conducted a series of real-world driving tests to validate the ET7's extended range. The car achieved remarkable results on three different routes in China:

  • Kunming, Yunnan to Zhanjiang, Guangdong: 1,070 kilometers (665 miles)
  • Beijing to Hefei, Anhui: 1,062 kilometers (660 miles)
  • Shanghai to Xiamen, Fujian: 1,046 kilometers (650 miles)

These figures demonstrate the ET7's capability to deliver exceptional range in varying driving conditions.

A New Era of Electric Mobility

The Nio ET7's achievement marks a significant milestone in EV development. With a range exceeding 1000 kilometers, this car addresses a major concern for many potential EV buyersrange anxiety. Traveling long distances without worrying about running out of power opens up new possibilities for electric car ownership and makes EVs a more practical option for everyday use.

Looking Ahead: Broader Adoption and Infrastructure Development

The success of the Nio ET7 paves the way for wider adoption of semi-solid state battery technology in electric vehicles. As this technology matures and production costs decrease, we expect more EVs equipped with these next-generation batteries, offering even greater range and improved performance.

However, the development of charging infrastructure is equally important to realize the potential of long-range EVs fully. A robust network of fast-charging stations is necessary to ensure convenient and efficient long-distance travel for EV drivers.


The Nio ET7's accomplishment signifies a groundbreaking advancement in EV technology. With its exceptional range and innovative battery, this car challenges the limitations of electric mobility and paves the way for a future where long-distance travel in an EV is a seamless and worry-free experience. @via my-electricvehicle.

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