energy density of 29.41 W h kg−1 at a power density of 628.42 W kg−1

https://scholar.google.co.jp/scholar?as_ylo=2018&q=the+all+solid+state+supercapacitors&hl=ja&as_sdt=0,5&as_vis=1#d=gs_qabs&p=&u=%23p%3DJM7XqiS-MHAJ