Hongli Lang

Mianyang Normal University

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Ke Tian

Harbin Engineering University

Tengfei Yi

University of the Sunshine Coast

Jianru Yue

Mianyang Normal University

Hui Ju

Mianyang Normal University

Shuxin Liu

Mianyang Normal University

Tian-Yu Zhang

Ministry of Agriculture and Rural Affairs

Hui Ju

Hunan University

Mingyang Zhang

Xinjiang Institute of Ecology and Geography

Quanlong Li

China Three Gorges University

Ning Chen

Sichuan University

Cooperative Institutions

Mianyang Normal University

Chinese Academy of Sciences

Sichuan University

China Academy of Engineering Physics

Central South University

Huazhong University of Science and Technology

North China University of Science and Technology

Taiyuan University of Technology

Institute of New Materials

China University of Geosciences

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Formation of yolk-shell Co-Mn Prussian blue analog spheres with enhanced electrochemical performance for supercapacitors

Journal of Alloys and Compounds (2024)

Hui Ju Hongli Lang Tengfei Yi Ke Tian Jianru Yue

Prussian blue

10.1016/j.jallcom.2024.177897

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Solid-state synthesis of diminutively granular and highly crystalline manganese hexacyanoferrate for a supercapacitor electrode

CrystEngComm (2024)

Hui Ju Hongli Lang Tengfei Yi Ke Tian Jianru Yue

A solid-state synthesis protocol enables the fabrication of diminutively granular and highly crystalline manganese hexacyanoferrate in a limited reaction region without additives and solvent.

10.1039/d3ce01299a

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Solid-State Synthesis of Diminutively Granular and Highly Crystalline Manganese Hexacyanoferrate for Supercapacitor Electrode

Hui Ju Hongli Lang Tengfei Yi Ke Tian Jianru Yue

Supercapacitors are considered as promising energy storage devices due to their high power density, fast charging/discharging process and long cycle life. The synthesis of Prussian blue analogues (PBAs) by traditional co-precipitation method faces the problems of wastewater treatment, poor material repeatability and low space utilization rate. Herein, an efficient and simple solid-state synthesis protocol is used to prepare diminutively granular and highly crystalline manganese hexacyanoferrate (MnHCF).MnHCF exhibits excellent electrochemical properties with the specific capacitance of 202.8 F g-1 at a current density of 1 A g-1 in a neutral electrolyte. At the same time, MnHCF has good cycle stability, which could maintain 81.49% after 7000 charge-discharge cycles.The maximum energy density of the two-electrode system with MnHCF as a positive electrode and YP-50F as a negative electrode is 18.89 Wh·kg-1 at 981.25 W·kg-1 and the maximum power density of 7184.73 W·kg-1 at 7.52Wh·kg-1. The outstanding electrochemical properties can be attributed to smaller particle size and higher crystallinity to achieve faster ion diffusion and greater diffusion depth. Therefore, adopting a solid-state synthesis protocol is a promising approach to achieve low-cost and large-scale production of PBAs.

10.2139/ssrn.4618471

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Formation of Yolk-Shelled Co-Mn Prussian Blue Analogue Spheres with Enhanced Electrochemical Performance for Supercapacitors

Hui Ju Hongli Lang Tengfei Yi Ke Tian Jianru Yue

Prussian blue

Yolk

10.2139/ssrn.4926418

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Prussian blue analogue-derived Co₃O₄/Fe₂O₃ with a partially hollow and octahedral structure for high-performance supercapacitors

Dalton Transactions (2024)

Hui Ju Jixiang Yang Xiaoyang Guo Hongli Lang Sheng Wang

The low resistance and high D OH − result from oxide particles present on the surface and within the inner parts of the octahedron. This allows the electrolyte ions to diffuse more efficiently and ensures a much more effective area for participating in a reaction.

Prussian blue

10.1039/d3dt04021f

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Influence of aqueous electrolytes on the electrochemical behavior of nitrogen-doped graphene hydrogel electrodes for supercapacitors

New Journal of Chemistry (2023)

Hui Ju Tongchen Liu Hongli Lang Chenjin Pu Xiaojing Bai

The charge storage behaviors of a nitrogen-doped graphene hydrogel are systematically analyzed before and after cycling in different aqueous electrolytes.

10.1039/d3nj03787h

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Citations (2)