<story><title>Panasonic to begin mass producing new 4680 Tesla battery by March 2024</title><url>https://www.reuters.com/technology/panasonic-begin-mass-producing-new-tesla-battery-by-end-march-2022-02-28/</url></story><parent_chain><item><author>Gravityloss</author><text>This cylindrical form factor might make sense for batteries that have thermal runaway potential, to keep the unit size small so that the whole battery doesn&amp;#x27;t go into thermal runaway, only one cell.&lt;p&gt;But for LFP or iron based batteries which don&amp;#x27;t have such issues, the blade design should be cheaper, more maintainable, more space and weight efficient etc. There&amp;#x27;s no glue so you can actually just switch individual blades. Cooling channels can be straight.</text></item></parent_chain><comment><author>vardump</author><text>Isn&amp;#x27;t cylindrical form factor simply easier and cheaper to manufacture? Decades of industry experience manufacturing a ton of cylindrical products.</text></comment>
<story><title>Panasonic to begin mass producing new 4680 Tesla battery by March 2024</title><url>https://www.reuters.com/technology/panasonic-begin-mass-producing-new-tesla-battery-by-end-march-2022-02-28/</url></story><parent_chain><item><author>Gravityloss</author><text>This cylindrical form factor might make sense for batteries that have thermal runaway potential, to keep the unit size small so that the whole battery doesn&amp;#x27;t go into thermal runaway, only one cell.&lt;p&gt;But for LFP or iron based batteries which don&amp;#x27;t have such issues, the blade design should be cheaper, more maintainable, more space and weight efficient etc. There&amp;#x27;s no glue so you can actually just switch individual blades. Cooling channels can be straight.</text></item></parent_chain><comment><author>colejohnson66</author><text>Assuming this image I found online is of 4680s, there’s quite a bit of wasted space: &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.teslarati.com&amp;#x2F;wp-content&amp;#x2F;uploads&amp;#x2F;2021&amp;#x2F;01&amp;#x2F;tesla-4680-battery-cells.jpg&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.teslarati.com&amp;#x2F;wp-content&amp;#x2F;uploads&amp;#x2F;2021&amp;#x2F;01&amp;#x2F;tesla-4...&lt;/a&gt;</text></comment>