https://cn.vogon.today/%e7%b6%93%e6%bf%9f%e6%83%85%e6%99%af/%e9%8e%82%e8%80%8c%e4%b8%8d%e6%98%af%e9%8b%b0%e7%94%a8%e6%96%bc%e7%b6%93%e6%bf%9f%e5%af%a6%e6%83%a0%e7%9a%84%e9%9b%bb%e6%b1%a0%ef%bc%9f/
鎂而不是鋰用於經濟實惠的電池?