Engineering desert sand into self‑standing electrodes via endogenous Fe‑catalyzed in‑situ growth of N‑doped carbon nanotubes for high‑performance supercapacitors

研究概述

利用沙漠砂内源Fe催化原位生长氮掺杂碳纳米管，将无粘结剂固化砂体转化为自支撑Fe3C@NCNTs电极。电极在2 mA/cm²下面积电容2825.5 mF/cm²；对称超级电容器循环50000次后保持97.7%电容，展示天然含过渡金属矿物制备整体碳电极的潜力。