Link to PDF of the paper: https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/adma.202211400 https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/adma.2...

Link to PDF of the paper: https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/adma.202211400 https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/adma.2... Page 7 has a photo of the battery, powering an LED.