In Pictures: Nio advances in-house cylindrical cells with limited year-end output via Eve Energy, Gotion

Nio's battery strategy spans in-house cylindrical cell development and expanded purchases from suppliers like CATL.

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Contract manufacturers Eve Energy and Gotion will handle limited year-end output of Nio's large cylindrical cells.

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Nio retains core battery R&D even as it leans on partners for initial cylindrical cell production.

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Mass production of Nio's in-house cells remains challenging in the near term, the company acknowledges.

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Nio's Onvo and Firefly brands will continue sourcing prismatic batteries from CATL.

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The company is balancing in-house cell ambitions with established supplier relationships.

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A small batch of Nio's cylindrical cells is expected to roll off production lines by year-end.

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Nio's dual sourcing approach reflects the complexities of scaling battery production.

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Nio continues to expand its electric vehicle lineup across multiple brands and price segments.

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