полимерных

Said in one Russian podcast line.

• от литий-полимерных, и вообще какие там есть виды аккумуляторов,

  from lithium-polymer, and in general what types of batteries are there,

  

  Homo ScienceЭнергетика, хранение энергии и будущее аккумуляторов | #20 Homo Science

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Russian books and courses on Amazon (affiliate link).