article_snippet: Technology has developed a range of 'solid-state' batteries (SSBs) that store 50 per cent more energy than current models and will make our favourite gadgets  smaller and safer.
article_snippet: This is said to be 50 per cent higher than than current lithium-ion batteries.
highlights_snippet: Firm's solid-state battery stores more power than standard lithium-ion .
  
highlights_snippet: Solid-state batteries (SSBs) are typically smaller than Li-ion batteries .
  
highlights_snippet: Technology could also be used in smartphones to double battery life .