أرسل هذا في رسالة قصيرة: Flexible all-solid-state asymmetric supercapacitors based on free-standing carbon nanotube/graphene and Mn3O4 nanoparticle/graphene paper electrodes

 _    _     _____   __    __    ______    _  _   
| \  / ||  |  ___|| \ \\ / //  /_   _//  | \| || 
|  \/  ||  | ||__    \ \/ //    -| ||-   |  ' || 
| .  . ||  | ||__     \  //     _| ||_   | .  || 
|_|\/|_||  |_____||    \//     /_____//  |_|\_|| 
`-`  `-`   `-----`      `      `-----`   `-` -`