国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC
发明人 ZHAO C（2）
公开年 2022（2）
申请年 2022（2）
专利权人

Preparing bamboo forest-shaped graphene tube array used in the flexible wearable electronic device, involves preparing the first precursor nanowire, exchanging first portion in the first precursor nano-wire into a metal ion with catalytic activity by ion exchange method.

ZHAO C, QIN Q, REN D, HUANG F

Preparing metal-free catalyst comprises mixing the carbon source and nitrogen source and ball milling to obtain the catalyst precursor, roasting the obtained catalyst precursor, cooling to obtain the non-metal catalyst.

ZHAO C, YANG J, NIU Q, DAI Y