Journal
ACS NANO
Volume 14, Issue 4, Pages 4741-4754Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.0c00620
Keywords
hierarchical porous graphitic carbon; pilot scale; synergistic effect; supercapacitor; lithium sulfur batteries
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Funding
- National Natural Science Foundation of China (NSFC) [51602058, 51702103]
- Natural Science Foundation of Tianjin [19JCQNJC05600]
- Special Support Plan for High-Level Talents of Guangdong Province [2017TQ04N840]
- Science and Technology Planning Project of Guangdong Province [2017A010103011, 2017A030313081]
- Opening Project of Science and Technology on Reliability Physics and Application Technology of Electronic Component Laboratory
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Pursuing scalable production of porous carbon with facile and environmentally friendly synthesis methodology is a global goal. Herein, a unique hierarchical porous graphitic carbon (HPGC) with outstanding textural characteristics is achieved by a special synergistic activation mechanism, in which the low-temperature molten state of polymorphisms can induce a high-rate liquid phase porous activation. HPGC with high specific surface area (SSA, similar to 2571 m(2) g(-1)) and large pore volume (PV, similar to 2.21 m(2); g(-1)) can be achieved, which also possesses the capability to tune textural characteristics (i.e., SSA, PV, pore size distribution, etc.) within a wide range. Furthermore, the pilotscale production of HPGC is accomplished, which shows similar textural characteristics to the lab-scale HPGC. Due to the unique structure of HPGC and the capability of the textural control, it can be applicable in a variety of energy storage, energy conversion, and catalysis applications. The applications of pilot-scale HPGC products in supercapacitors and lithium sulfur batteries are highlighted in this work. Furthermore, the synergistic activation strategy can be promoted to other alkali-based carbon activation routes, which can open up new possibilities for the activated carbon production and lead to more widespread industrialized applications of HPGC.
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