By Ma Jingna in Lanzhou |
chinadaily.com.cn |
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A sheet of copper foil just five microns thick may look insignificant, but it plays a crucial role inside the batteries powering new energy vehicles.
Tiny copper foil, big role: Building the foundation of advanced manufacturing
A sheet of copper foil just five microns thick may look insignificant, but it plays a crucial role inside the batteries powering new energy vehicles.
386 words~2 min read
