Dual-structure-breaking electrolyte enables practical cadmium-metal battery
Abstract High-energy aqueous metal batteries are promising candidates for the next-generation energy storage systems but face critical challenges of dendrite and corrosion in metal negative electrodes. To address these issues, we report an aqueous cadmium-metal battery employing a fast-kinetics stru...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-07-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-025-60740-2 |
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| author | Yang-Feng Cui Hao-Bin Song Jing-Jing Yao Qi Hao Xue-Liang Li Yi-Fan Li Bin-Bin Guo Yun-Hai Zhu Hui Ying Yang |
| author_facet | Yang-Feng Cui Hao-Bin Song Jing-Jing Yao Qi Hao Xue-Liang Li Yi-Fan Li Bin-Bin Guo Yun-Hai Zhu Hui Ying Yang |
| author_sort | Yang-Feng Cui |
| collection | DOAJ |
| description | Abstract High-energy aqueous metal batteries are promising candidates for the next-generation energy storage systems but face critical challenges of dendrite and corrosion in metal negative electrodes. To address these issues, we report an aqueous cadmium-metal battery employing a fast-kinetics structure-breaking electrolyte composed of CdCl2 and NH4Cl. The addition of NH4Cl induces the formation of dual structure breakers, NH4 + and tetrachlorocomplex ([CdCl4]2–), which facilitate fast charge transfer kinetics in aqueous cadmium-metal batteries and endow dendrite-free/corrosion-resistant capabilities to Cd negative electrodes. This tailored electrolyte realizes a convincing Coulombic efficiency (99.93%) for Cd plating/stripping behavior at a high Cd utilization of 55%, making it suitable for practical applications. Moreover, the fast-kinetics aqueous cadmium-metal batteries exhibit remarkable compatibility with diverse types of positive electrodes, including conversion-, coordination-, intercalation- and capacitance-type, offering enhanced rate performance and durable rechargeable stability. These results establish a robust and scalable aqueous battery design for sustainable energy storage systems. |
| format | Article |
| id | doaj-art-85dfae0c402d4bba9b550fd3f37f22d6 |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-85dfae0c402d4bba9b550fd3f37f22d62025-08-20T04:01:40ZengNature PortfolioNature Communications2041-17232025-07-0116111410.1038/s41467-025-60740-2Dual-structure-breaking electrolyte enables practical cadmium-metal batteryYang-Feng Cui0Hao-Bin Song1Jing-Jing Yao2Qi Hao3Xue-Liang Li4Yi-Fan Li5Bin-Bin Guo6Yun-Hai Zhu7Hui Ying Yang8Pillar of Engineering Product Development, Singapore University of Technology and DesignPillar of Engineering Product Development, Singapore University of Technology and DesignPillar of Engineering Product Development, Singapore University of Technology and DesignSchool of Materials Science and Engineering, Zhejiang UniversityPillar of Engineering Product Development, Singapore University of Technology and DesignPillar of Engineering Product Development, Singapore University of Technology and DesignPillar of Engineering Product Development, Singapore University of Technology and DesignState Key Laboratory of New Textile Materials and Advanced Processing, Wuhan Textile UniversityPillar of Engineering Product Development, Singapore University of Technology and DesignAbstract High-energy aqueous metal batteries are promising candidates for the next-generation energy storage systems but face critical challenges of dendrite and corrosion in metal negative electrodes. To address these issues, we report an aqueous cadmium-metal battery employing a fast-kinetics structure-breaking electrolyte composed of CdCl2 and NH4Cl. The addition of NH4Cl induces the formation of dual structure breakers, NH4 + and tetrachlorocomplex ([CdCl4]2–), which facilitate fast charge transfer kinetics in aqueous cadmium-metal batteries and endow dendrite-free/corrosion-resistant capabilities to Cd negative electrodes. This tailored electrolyte realizes a convincing Coulombic efficiency (99.93%) for Cd plating/stripping behavior at a high Cd utilization of 55%, making it suitable for practical applications. Moreover, the fast-kinetics aqueous cadmium-metal batteries exhibit remarkable compatibility with diverse types of positive electrodes, including conversion-, coordination-, intercalation- and capacitance-type, offering enhanced rate performance and durable rechargeable stability. These results establish a robust and scalable aqueous battery design for sustainable energy storage systems.https://doi.org/10.1038/s41467-025-60740-2 |
| spellingShingle | Yang-Feng Cui Hao-Bin Song Jing-Jing Yao Qi Hao Xue-Liang Li Yi-Fan Li Bin-Bin Guo Yun-Hai Zhu Hui Ying Yang Dual-structure-breaking electrolyte enables practical cadmium-metal battery Nature Communications |
| title | Dual-structure-breaking electrolyte enables practical cadmium-metal battery |
| title_full | Dual-structure-breaking electrolyte enables practical cadmium-metal battery |
| title_fullStr | Dual-structure-breaking electrolyte enables practical cadmium-metal battery |
| title_full_unstemmed | Dual-structure-breaking electrolyte enables practical cadmium-metal battery |
| title_short | Dual-structure-breaking electrolyte enables practical cadmium-metal battery |
| title_sort | dual structure breaking electrolyte enables practical cadmium metal battery |
| url | https://doi.org/10.1038/s41467-025-60740-2 |
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