Watt's next for batteries? It'll be more of the same, not longer life, because physics and chemistry are hard Lithium-ion had a lucky break early on. Successors will need billions of dollars to catch up – if they don't flame out first Robbie Harb Wed 30 Dec 2020 // 16:00 UTC Share Copy Feature "There are liars, damned liars, and battery guys" – or some variation thereof – is an aphorism commonly attributed to US electro-whizz Thomas Edison. Edison's anecdotal frustrations remain valid today because scarcely a month goes by without a promised battery revolution, and scarcely a month goes by without that revolution arriving. In October, for example,