• The N/S co-doped lignin-derived porous carbon (NSLPCs) with ultra-high heteroatom doping was prepared through a novel supramolecule-mediated pyrolysis strategy.

• Covalently bonded graphitic carbon/amorphous carbon intermediates induce the formation of high heteroatom doping.

• The high heteroatom doping of NSLPC could provide abundant defective active sites for the adsorption of K⁺.

中文翻译：

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通过钾离子混合电容器的超分子介导策略进行超高杂原子掺杂的无序碳阳极的缺陷工程

• 通过新型超分子介导的热解策略制备了超高杂原子掺杂的 N/S 共掺杂木质素衍生多孔碳（NSLPC）。

• 共价键合的石墨碳/无定形碳中间体诱导形成高杂原子掺杂。

• NSLPC的高杂原子掺杂可以为K ⁺的吸附提供丰富的缺陷活性位点。