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January 1, 2026Inorganic Chemistry Frontiers

3D-printed binder-free Na 3 V 4 (PO 4 ) 3 3D cathode with adjustable porosity for sodium-ion batteries

Jingyu Chen Pengfei Bi Yingyue Tan Jilong Ma Xin Liu Huijuan Zhang Jinling Ma Yu Feng Wang

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Key Points

The central aim is to develop a 3D electrode structure that maximizes the areal capacity of sodium-ion batteries.
Utilized 3D printing techniques to create binder-free Na3V4(PO4)3 cathodes.
Adjusted the porosity of the cathode to optimize performance.
Evaluated the electrochemical performance of the fabricated cathodes.
Achieved significant improvements in areal capacity compared to traditional electrode designs.
Demonstrated that adjusting porosity positively influenced the electrochemical performance.
Showed feasibility for integration in compact micro-battery applications.

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Implication

Demonstrates enhanced areal capacity in sodium-ion batteries with a porous 3D cathode, suggesting improvements for micro-battery designs.

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Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/69d9e55278050d08c1b75915 https://doi.org/10.1039/d6qi00301j

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