zombie battery noun [C]
UK /ˌzɒm.bi.ˈbæt.ᵊr.i/ US /ˌzɑːm.bi.ˈbæt̬.ɚ.i/
a used battery that gets thrown away or added to normal household recycling

“Zombie batteries” have caused hundreds of fires at waste management facilities and recycling plants, endangering workers’ health, according to campaigners … If they are not recycled properly and end up in household waste, dead batteries can still cause dangerous incidents, hence the nickname “zombie”.
[news.sky.com, 26 October 2020]

decomponentise verb [T]
UK /ˌdiːkəmˈpəʊ.nənt.aɪz/ US /ˌdiːkəmˈpoʊ.nənt.aɪz/
to remove the individual components of a device such as a mobile phone in order to recycle them

“Your old phone should go back to the manufacturer, who can ‘decomponentise’ it and put all of its materials back into the system, to make new phones or feed them into a different industry,” she says. The foundation’s research shows that this would reduce manufacturing costs by up to 50 per cent per device.
[thetimes.co.uk, 22 October 2020]

rollable adjective
UK /ˈrəʊl.ə.bᵊl/ US /ˈroʊl.ə.bᵊl/
used to describe a mobile phone whose screen can be expanded into the size of a tablet

Still, LG isn’t the only company working on a rollable phone – the Oppo X 2021 concept phone also rolls, as does a concept device from TCL. There’s no guarantee either of those will ever actually go on sale, but sooner or later there are likely to be multiple rollable phones on the market, so hopefully some of them are affordable.
[techradar.com, 13 January 2021]

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