Hairyback; you may find the article below very confronting but given Australia's zinc resources it could well open the way for a massive leap forward in battery technologies that adds lots of nails to the coffins of coal-fired mines and power stations to be built by companies seeking loans from Australians while facing major fraud charges:
"Dead Set Legends: Australian Scientists Just Worked Out How Zinc-Air Batteries Can Replace Lithium-Ion Batteries"