Forum Discussion
agesilaus
Sep 17, 2018Explorer III
Part two
From MIT:
"A better battery could change everything. But while countless breakthroughs have been announced over the last decade, time and again these advances have failed to translate into commercial batteries with anything like the promised improvements in cost and energy storage. Some well-funded startups, most notably A123 Systems, began with bold claims but failed to deliver"
and from a Quara magazine article:
"Lab Experiments Rarely Scale Up. It's pretty much a given than 95% of the great battery lab experiments that look so dramatically promising are never able to be scaled to production, meaning almost all of those wonderful advances in the lab you read about on Gizmodo or Engadget or wherever never, ever pan out in the real world. A pouch cell or button cell in the lab generally performs very, very differently from a scaled production battery. Don't get too excited about lab results -- even lab results from world-class researchers who spent years developing them. See #6 above. This makes investment very, very, very hard."
If you ever took college chemistry you may recall 'half cells', if not look them up. Half cells (redox reactions) are the theoretical underpinning that drive battery tech. There are tables of half cells in every college chem book and in chemistry references. Those half cells provide the theoretical max voltage for and battery chemistry. Battery tech is inching up to that theoretical limit and improving recharging and current output along with increasing longevity. But that is all tinkering with the engineering and does not touch the theoretical limits.
From MIT:
"A better battery could change everything. But while countless breakthroughs have been announced over the last decade, time and again these advances have failed to translate into commercial batteries with anything like the promised improvements in cost and energy storage. Some well-funded startups, most notably A123 Systems, began with bold claims but failed to deliver"
and from a Quara magazine article:
"Lab Experiments Rarely Scale Up. It's pretty much a given than 95% of the great battery lab experiments that look so dramatically promising are never able to be scaled to production, meaning almost all of those wonderful advances in the lab you read about on Gizmodo or Engadget or wherever never, ever pan out in the real world. A pouch cell or button cell in the lab generally performs very, very differently from a scaled production battery. Don't get too excited about lab results -- even lab results from world-class researchers who spent years developing them. See #6 above. This makes investment very, very, very hard."
If you ever took college chemistry you may recall 'half cells', if not look them up. Half cells (redox reactions) are the theoretical underpinning that drive battery tech. There are tables of half cells in every college chem book and in chemistry references. Those half cells provide the theoretical max voltage for and battery chemistry. Battery tech is inching up to that theoretical limit and improving recharging and current output along with increasing longevity. But that is all tinkering with the engineering and does not touch the theoretical limits.
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