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. 2023 Aug 1;56(16):2213–2224. doi: 10.1021/acs.accounts.3c00308

Figure 2.

Figure 2

Bulk Si engineering for the advanced SiNP anode. (a) Synthetic route of porous Si from metallurgical Si through ball-milling, stain-etching, the corresponding TEM image of porous Si particles, and HAADF-STEM tomography. Labeled colors indicate the separated pore connections. Reproduced with permission from ref (25). Copyright 2014 American Chemical Society. (b) Schematic illustration showing the synthetic process of the Si-based materials@LTO. Reproduced with permission from ref (1). Copyright 2015 the authors. Published by Royal Society of Chemistry under a Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0) License. (c) Schematic of the lithiation/delithiation process (left) and Li diffusion (right) in the Si anode and Ge-doped Si anode. Reproduced with permission from ref (30). Copyright 2019 the authors. Published by American Association for the Advancement of Science under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License.