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自分で調べたのがこれだ

Also notable were the conclusions of the German company about the Model 3’s battery pack.
Laboratory results shared with WirtschaftsWoche noted that
Tesla’s 2170 cells for the Model 3 consisted of 2.8% cobalt,
65% less than the industry average of 8%. Sven Bauer, Managing Director of Batterien-Montage-Zentrum (BMZ),
one of Germany’s largest independent battery producers, stated that
Tesla’s reduction in cobalt use can give the company a competitive advantage.

ドイツの電池の大会社が、パナの電池を分解してみて競争力が高いと言っているから
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