Next-generation DNA-enhanced electrochemical energy storage: Recent advances and perspectives

Cheng, Xiong; Bae, Joonho

doi:10.1016/j.cap.2024.07.007

Current Applied Physics

2024

DOI: 10.1016/j.cap.2024.07.007

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Next-generation DNA-enhanced electrochemical energy storage: Recent advances and perspectives

Xiong Cheng,

Joonho Bae

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2024

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Cited by 2 publications

References 164 publications

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DNA-directed Fabrication of LiFePO4 Micro-Roses as High-performance Electrodes for Lithium-ion Batteries

Cheng,

Kim,

et al. 2024

Nano Energy

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DNA-directed Fabrication of LiFePO4 Micro-Roses as High-performance Electrodes for Lithium-ion Batteries

Cheng,

Kim,

et al. 2024

Nano Energy

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DNA: Novel Crystallization Regulator for Solid Polymer Electrolytes in High-Performance Lithium-Ion Batteries

Cheng,

Bae

2024

Nanomaterials

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In this work, we designed a novel polyvinylidene fluoride (PVDF)@DNA solid polymer electrolyte, wherein DNA, as a plasticizer-like additive, reduced the crystallinity of the solid polymer electrolyte and improved its ionic conductivity. At the same time, due to its Lewis acid effect, DNA promotes the dissociation of lithium salts when interacting with lithium salt anions and can also fix the anions, creating more free lithium ions in the electrolyte and thus improving its ionic conductivity. However, owing to hydrogen bonding between DNA and PVDF, excess DNA occupies the lone pairs of electrons of the fluorine atoms on the PVDF molecular chains, affecting the conduction of lithium ions and the conductivity of the solid electrolyte. Hence, in this study, we investigated the effects of adding different DNA amounts to solid polymer electrolytes. The results show that 1% DNA addition resulted in the best improvement in the electrochemical performance of the electrolyte, demonstrating a high ionic conductivity of 3.74 × 10–5 S/cm (25 °C). The initial capacity reached 120 mAh/g; moreover, after 500 cycles, the all-solid-state batteries exhibited a capacity retention of approximately 71%, showing an outstanding cycling performance.

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Next-generation DNA-enhanced electrochemical energy storage: Recent advances and perspectives

Cited by 2 publications

References 164 publications

DNA-directed Fabrication of LiFePO4 Micro-Roses as High-performance Electrodes for Lithium-ion Batteries

DNA-directed Fabrication of LiFePO4 Micro-Roses as High-performance Electrodes for Lithium-ion Batteries

DNA: Novel Crystallization Regulator for Solid Polymer Electrolytes in High-Performance Lithium-Ion Batteries

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