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. 2022 Jul 21;14:146. doi: 10.1007/s40820-022-00892-8

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 6 — a Schematic illustration of the discharge mechanism of the OFGC-600//PB full cell. b The devices of an LED bulb with “HNU” and the ear thermometer driven by the full cells. Electrochemical performances of the full cells. c The charge/discharge curves of PB, OFGC-600, and OFGC-600//PB. d–e The rate capability at different current densities from 200 to 800 mA g⁻¹. f Ragone plot of OFGC-600//PB full cell compared with the reported articles. g Cycling performance at a current density of 200 mA g⁻¹