Next-gen EV batteries promise decades of use
Marian Schultz
▶January 5, 2025
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The Rundown: Researchers led by Professor Jeff Dahn at Dalhousie University have developed a single-crystal electrode battery capable of lasting over 20,000 charge cycles — equivalent to 8 million kilometers. This innovation far outpaces conventional lithium-ion batteries, which typically last 2,400 cycles.
The Context:
- Funded by Tesla Canada, the research focused on preventing internal battery damage using advanced synchrotron light technology.
- Unlike conventional batteries prone to cracking, the single-crystal electrode design shows almost no degradation, resembling a "brand-new cell" even after extensive use.
- These batteries are already entering commercial production.
Why it Matters: With the potential to last decades, this breakthrough could redefine EV longevity and carbon efficiency. The technology also opens doors for second-life applications, like renewable energy storage, making EVs more sustainable and cost-effective long-term.
