Ultrathin Carbon Nanotube Fiber

Record ampacity

Using a water coagulation bath to achieve a high draw ratio, the fiber has an equivalent diameter of just 2.68 µm, combining high alignment with rapid heat dissipation.

Sun, Chunyang · Wang, H. · Gao, Zhaoqing · Hou, Pengxiang · Shi, Chao · Liang, Yan · Wang, Shaogang · Chang, Liu · Cheng, Huiming

Advanced Functional Materials 2025

Specifications

diameter of m
{'zh': '2.68', 'en': '6'} times

Advantages

Herman orientation factor of 0.99

Low residual chlorosulfonic acid (CSA) content

Record ampacity of 1.52 × 10⁹ A m⁻²