Panasonic's Anode-Free Battery to Add 100 Miles to Tesla Range by 2027

Sep 29,2025,By LAN

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   According to Reuters report from September 18, 2025, Panasonic plans to develop a revolutionary anode-free battery within approximately two years. This technology could significantly boost Tesla's vehicle range while potentially reducing costs.

1. Range Improvement Projections

Panasonic's anode-free technology promises substantial gains:

  • 25% increase in battery capacity
  • 90 additional miles for Tesla Model Y Long Range
  • Range boost from 357 to 447 miles (574 to 720 km)
  • Model S could reach 500 miles per charge
  • Same physical battery size with more energy storage

2. Technical Breakthrough

The innovation uses an anode-free design:

  • No anode during manufacturing
  • Lithium metal anode forms during first charge
  • More space for cathode materials like nickel, cobalt, aluminum
  • Higher energy density at the same volume
Battery Type Energy Density Key Advantage
Traditional Lithium-ion Standard Proven technology
Anode-Free Design 25% higher More cathode space

3. Competitive Landscape

Panasonic isn't alone in anode-free development:

  • QuantumScape partnering with Volkswagen Group
  • Our Next Energy demonstrating 600-mile range prototypes
  • BMW iX prototype achieved 600 miles (965 km) range
  • Our Next Energy's 2022 prototype reached 1007 Wh/L energy density

4. Challenges & Timeline

Despite promising technology, hurdles remain:

  • Mass production scalability for Tesla's volume needs
  • Dendrite formation in lithium metal batteries
  • Complex first-charge process for anode formation
  • 2027 target for commercial production

Panasonic aims to reduce nickel usage for cost control while maintaining performance. Their clear commercialization timeline makes them a leader in next-generation battery development.
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