Maybe not new news but the article seems interesting regarding powering short-lived appliances and biodegradability, the supposed Utopia or Panopticon (depending on one's outlook) of IOT in this case:
It would be great for e.g. general purpose 1.5V, or even better, car batteries to be made from this kind of technology. We generate so much rubbish that is not eco-friendly, I sometimes even feel "guilty" about a healthy hobby such as electronics (healthy depending on subject areas of interest, evidently)...