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. 2023 Mar 29;10(16):2205557. doi: 10.1002/advs.202205557

Figure 6.

Figure 6

a) Illustration of micropores, mesopores and macropores. Reproduced with permission.[ 200 ] Copyright 2014, RSC. b) Adsorption/desorption isotherms of nitrogen at 77 K. Reproduced under terms of the CC‐BY license.[ 201 ] Copyright 2021, The authors, published by Elsevier. c) Hierarchical porous structure of silk fibroin‐derived carbon materials by KCl activation. Reproduced with permission.[ 74 ] Copyright 2021, Elsevier. d) Preparation process of chestnut tannin‐derived mesoporous carbons by the soft template method. Reproduced with permission.[ 202 ] Copyright 2015, Elsevier. e) Schematic figure of the dual‐templating method proposed by Li et al. Reproduced with permission.[ 203 ] Copyright 2019, RSC. f) Illustration of the templating mechanism of Mg5(OH)2(CO3)4/ZnCl2. Reproduced with permission.[ 203 ] Copyright 2019, RSC.