[1] Choi B G, Hong J, Hong W H, et al.Facilitated ion transport in all-solid-state flexible supercapacitors[J].ACS Nano, 2011, 5(9):7205-7213.
[2] Snook G A, Kao P, Best A S.Conducting-polymer-based supercapacitor devices and electrodes[J].Journal of Power Sources, 2011, 196(1):1-12.
[3] Zhi Mingjia, Xiang Chengcheng, Li Jiangtian, et al.Nanostructured carbon-metal oxide composite electrodes for supercapacitors:a review[J].Nanoscale, 2012, 5(1):72-88.
[4] Zhen W, Tan Y, Yang Y, et al.Pomelo peels-derived porous activated carbon microsheets dual-doped with nitrogen and phosphorus for high performance electrochemical capacitors[J].Journal of Power Sources, 2018, 378:499-510.
[5] Liang J, Qu T, Kun X, et al.Microwave assisted synthesis of camellia oleifera shell-derived porous carbon with rich oxygen functionalities and superior supercapacitor performance[J].Applied Surface Science, 2017:S0169433217337303.
[6] Han X, Jiang H, Yong Z, et al.A high performance nitrogen-doped porous activated carbon for supercapacitor derived from pueraria[J].Journal of Alloys & Compounds, 2018, 744:544-551.
[7] Zhang G, Chen Y, Chen Y, et al.Activated biomass carbon made from bamboo as electrode material for supercapacitors[J].Materials Research Bulletin, 2018, 102:S1353186173.
[8] Bouchelta C, Medjram M S, Bertrand O, et al.Preparation and characterization of activated carbon from date stones by physical activation with steam[J].Journal of Analytical & Applied Pyrolysis, 2008, 82(1):70-77.
[9] Kang S, Jian C J.Preparation and characterization of activated carbon from rubber-seed shell by physical activation with steam[J].Biomass & Bioenergy, 2010, 34(4):539-544.
[10] Zhou J, Luo A, Zhao Y.Preparation and characterisation of activated carbon from waste tea by physical activation using steam[J].Journal of the Air & Waste Management Association, 2018, https://www.tandfonline.com/doi/full/10.1080/10962247.2018.1460282.
[11] Zhang G, Zhao X, Ning P, et al.Comparison on surface properties and desulfurization of MnO2 and pyrolusite blended activated carbon by steam activation[J].Journal of the Air & Waste Management Association, 2018:10962018-10962247.
[12] Rashidi N A, Yusup S.Production of palm kernel shell-based activated carbon by direct physical activation for carbon dioxide adsorption[J].Environmental Science & Pollution Research, 2018:1-15.
[13] Sun Y, Zhang J P, Guo F, et al.Optimization of the preparation of activated carbon from steam activated cornstraw black liquor for phenol removal[J].Asia-Pacific Journal of Chemical Engineering, 2016, 11(4):594-602.
[14] Pallarés J, Gonzlez-Cencerrado A, Arauzo I.Production and characterization of activated carbon from barley straw by physical activation with carbon dioxide and steam[J].Biomass & Bioenergy, 2018, 115:64-73.
[15] Almansa C, Molina-Sabio M, Rodríguez-Reinoso F.Adsorption of methane into ZnCl2-activated carbon derived discs[J].Microporous & Mesoporous Materials, 2004, 76(1):185-191.
[16] Raymundo-Pi?ero E, Azas P, Cacciaguerra T, et al.KOH and NaOH activation mechanisms of multiwalled carbon nanotubes with different structural organisation[J].Carbon, 2005, 43(4):786-795.
[17] Romanos J, Beckner M, Rash T, et al.Nanospace engineering of KOH activated carbon[J].Nanotechnology, 2012, 23(1):15401.
[18] Su X L, Chen J R, Zheng G P, et al.Three-dimensional porous activated carbon derived from loofah sponge biomass for supercapacitor applications[J].Applied Surface Science, 2017, 436:S1052475516.
[19] Su X L, Li S H, Jiang S, et al.Superior capacitive behavior of porous activated carbon tubes derived from biomass waste-cotonier strobili fibers[J].Advanced Powder Technology, 2018, 29:S1547013006.
[20] Xu Z, Yu L, Li D, et al.N-enriched multilayered porous carbon derived from natural casings for high-performance supercapacitors[J].Applied Surface Science, 2018, 444:S1053447796.
[21] Liu X, Antonietti M.Molten salt activation for synthesis of porous carbon nanostructures and carbon sheets[J].Carbon, 2014, 69(2):460-466.
[22] Lu B, Hu L, Yin H, et al.One-step molten salt carbonization (MSC) of firwood biomass for capacitive carbon[J].RSC Advances, 2016, 6(108):106485-106490.
[23] Lu B, Zhou J, Song Y, et al.Molten-salt treatment of waste biomass for preparation of carbon with enhanced capacitive properties and electrocatalytic activity towards oxygen reduction[J].Faraday Discussions, 2016, 190:147.
[24] Lu B, Hu L, Yin H, et al.Preparation and application of capacitive carbon from bamboo shells by one step molten carbonates carbonization[J].International Journal of Hydrogen Energy, 2016, 41(41):18713-18720.
[25] Xiang D, Zhao B, Liang Z, et al.Molten salt synthesis of nitrogen-doped carbon with hierarchical pore structures for use as high-performance electrodes in supercapacitors[J].Carbon, 2015, 93:48-58.
[26] Zhang S, Tian K, Cheng B H, et al.Preparation of N-doped supercapacitor materialsby integrated salt templating and silicon hard templating by pyrolysisof biomass wastes[J].ACS Sustainable Chemistry & Engineering, 2017, 5(8):7b-920b.
[27] Tian O, Cheng K, Gao Y, et al.Molten salt synthesis of nitrogen doped porous carbon:a new preparation methodology for high-volumetric capacitance electrode materials[J].Journal of Materials Chemistry A, 2016, 4(25):1-12.
[28] Dong Z, Dou Y, Ming L, et al.Wool fiber-derived nitrogen-doped porous carbon prepared from molten salt carbonization method for supercapacitor application[J].Journal of Materials Science, 2018, 53(11):8372-8384.
[29] Kumar K T, Sundari G S, Kumar E S, et al.Synthesis of nanoporous carbon with new activating agent for high-performance supercapacitor[J].Materials Letters, 2018, 218:S167577X-S18302143X.
[30] Wang C, Wu D, Wang H, et al.A green and scalable route to yield porous carbon sheets from biomass for supercapacitors with high-capacity[J].Journal of Materials Chemistry A, 2017, 6(3):10-1039.
[31] Hao W, Bj?rkman E, Lilliestrle M, et al.Activated carbons for water treatment prepared by phosphoric acid activation of hydrothermally treated beer waste[J].Industrial & Engineering Chemistry Research, 2014, 53(40):15389-15397.
[32] Quesada-Plata F, Ruiz-Rosas R, Emilia M, et al.Activated carbons prepared through H3PO4-assisted hydrothermal carbonization from biomass wastes:porous texture and electrochemical performance[J].Chempluschem, 2016, 81(12), DOI:10.1002/cplu.201600412.
[33] Chang M, Wang R, Xie Z, et al.Preparation and molten salt-assisted KOH activation of porous carbon nanofibers for use as supercapacitor electrodes[J].Journal of Porous Materils, 2017, 24(6):1-9.
[34] Jr O F C, Silvestre-Albero J, Casco M E, et al.Activated nanocarbons produced by microwave-assisted hydrothermal carbonization of Amazonian fruit waste for methane storage[J].Materials Chemistry & Physics, 2018, 216:42-46.