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MnO2 for High-Performance Energy Storage and Conversion: From Preparation Techniques and Modification Strategies to Device Performance
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Zhiyong ZHANG1, Wenming ZENG2, Xinjun BAO3
Mining and Metallurgical Engineering | 2026, 46(4) : 238 - 246
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Mining and Metallurgical Engineering | 2026, 46(4): 238-246
• MATERIALS •
MnO2 for High-Performance Energy Storage and Conversion: From Preparation Techniques and Modification Strategies to Device Performance
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Zhiyong ZHANG1, Wenming ZENG2, Xinjun BAO3
Affiliations
  • 1.Hunan Vocational Institute of Safety Technology, Changsha 410151, Hunan, China
  • 2.Guangxi Shengyi Industrial Co., Ltd., Baise 533700, Guangxi, China
  • 3.College of Textile and Fashion, Hunan Institute of Engineering, Xiangtan 411104, Hunan, China
doi: 10.3969/j.issn.0253-6099.2026.04.037
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This paper systematically reviews the application of manganese dioxide (MnO2) in the field of energy storage and conversion in terms of preparation techniques, modification strategies and device performance. Firstly, the regulation mechanisms of liquid-phase method, solid-phase method, sol-gel method, microfluidic etching and other approaches on the micromorphology and crystal structure of MnO2 are elaborated systematically. As for modification strategies, the functional mechanisms of element doping, carbon-based material compositing and microstructure design (including nanostructuring and hollow structure) for improving the electrical conductivity and structural stability of materials are discussed in detail. In the aspect of device performance, the practical effects of MnO2-based composites on elevating the specific capacity of lithium-ion batteries, optimizing the rate performance of supercapacitors, and boosting the catalytic activity of bifunctional electrocatalysts (ORR and OER) are further analyzed. On this basis, future development prospects are proposed from the perspectives of green synthesis technologies, high-loading flexible device development and multi-functional integration, aiming to provide references for the rational design of high-performance MnO2-based energy materials.

manganese dioxide  /  energy material  /  modification strategy  /  electrochemical performance  /  application progress
张志勇, 曾文明, 包新军. 面向高性能储能与转换的MnO2：从制备技术、改性策略到器件性能. 矿冶工程杂志, 2026 , 46 (4) : 238 -246 . DOI: 10.3969/j.issn.0253-6099.2026.04.037
Zhiyong ZHANG, Wenming ZENG, Xinjun BAO. MnO2 for High-Performance Energy Storage and Conversion: From Preparation Techniques and Modification Strategies to Device Performance[J]. Mining and Metallurgical Engineering, 2026 , 46 (4) : 238 -246 . DOI: 10.3969/j.issn.0253-6099.2026.04.037
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Year 2026 volume 46 Issue 4
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doi: 10.3969/j.issn.0253-6099.2026.04.037
  • Receive Date：2026-03-01
  • Online Date：2026-10-08
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  • Received：2026-03-01
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Affiliations
    1.Hunan Vocational Institute of Safety Technology, Changsha 410151, Hunan, China
    2.Guangxi Shengyi Industrial Co., Ltd., Baise 533700, Guangxi, China
    3.College of Textile and Fashion, Hunan Institute of Engineering, Xiangtan 411104, Hunan, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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