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3D printing of serrated NiCo2S4-based electrodes for wearable micro-supercapacitors SCIE CSCD
期刊论文 | 2024 , 67 (6) , 1956-1964 | SCIENCE CHINA-MATERIALS
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Abstract :

The application of 3D printing technology in fabricating quasi-solid-state micro-supercapacitors (MSCs) offers inherent benefits in programmable structural design and high-mass-loading electrode fabrication. Nevertheless, the absence of high-performance printable inks and the sluggish ion transport within thick electrodes present significant challenges to their practical charge storage capabilities. Here, a new NiCo2S4-based nanocomposite ink with excellent rheological properties has been successfully developed and the 3D structure of quasi-solid-state MSCs is rationally engineered through the direct-ink-writing 3D printing technology. Beneficial from the firmly anchored NiCo2S4 nanoparticles on the reduced graphene oxide (rGO) and the ordered 3D micropores, the thick electrodes with serrated architectures provide abundant reaction sites and exhibit enhanced ion transport. Consequently, the MSCs with triple-layer-serrated electrodes can deliver a high areal capacitance up to 416.7 mF cm(-2). In comparison to the latticed counterparts, the areal capacitances of serrated MSCs with single-, double-, and triple-layer electrodes are amplified by 127.1%, 349.8%, and 585.9%, respectively (under 1 mA cm(-2)). This study offers novel insights into the cross-scale design of materials and electrode architectures for quasi-solid-state MSCs with high areal capacitance, promoting their integration into flexible and portable electronic devices.

Keyword :

3D printing 3D printing direct ink writing direct ink writing high-areal capacitance high-areal capacitance micro-supercapacitor micro-supercapacitor quasi-solid-state quasi-solid-state

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GB/T 7714 Yao, Pinjing , Li, Wangyang , Ke, Bingyuan et al. 3D printing of serrated NiCo2S4-based electrodes for wearable micro-supercapacitors [J]. | SCIENCE CHINA-MATERIALS , 2024 , 67 (6) : 1956-1964 .
MLA Yao, Pinjing et al. "3D printing of serrated NiCo2S4-based electrodes for wearable micro-supercapacitors" . | SCIENCE CHINA-MATERIALS 67 . 6 (2024) : 1956-1964 .
APA Yao, Pinjing , Li, Wangyang , Ke, Bingyuan , Chen, Lihui , Jian, Yijia , Qiao, Huawei et al. 3D printing of serrated NiCo2S4-based electrodes for wearable micro-supercapacitors . | SCIENCE CHINA-MATERIALS , 2024 , 67 (6) , 1956-1964 .
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基于氧化物固态电解质的高比能固态锂离子电池开发策略
期刊论文 | 2024 , 30 (02) , 89-95 | 功能材料与器件学报
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Abstract :

为满足快速发展的新能源产业与便携设备对高能量密度与高安全性电源的需求,高比能固态锂离子电池的开发成为当下的研究热点。氧化物固态电解质因高离子电导率、宽电压窗口及良好稳定性等诸多优势,被认为是实现高比能锂离子电池制备的极具潜力的固态电解质之一。为进一步提升氧化物固态电解质基固态锂离子电池的能量密度,需减小氧化物固态电解质的厚度并开发高压高容量的正负极材料。本文阐述了薄型氧化物固态电解质面临的主要挑战,从真空薄膜加工技术、湿化学法合成技术及复合电解质策略三方面,总结了薄型氧化物电解质在制造技术层面的最新进展。在电极材料的层面,总结了高比能固态锂电池正负极活性材料的研究现状,并针对其面临的核心问题(高电压、大比容量及高脱锂/嵌锂电位的正负极材料的开发)综述了近年来的一些重要研究成果。最后,对上述研究成果中涉及的先进技术和改进策略进行了总结,并对未来研究方向进行了展望。

Keyword :

固态电解质 固态电解质 固态锂电池 固态锂电池 材料设计 材料设计 氧化物 氧化物 高能量密度 高能量密度

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GB/T 7714 杨名 , 吴燔 , 李王阳 . 基于氧化物固态电解质的高比能固态锂离子电池开发策略 [J]. | 功能材料与器件学报 , 2024 , 30 (02) : 89-95 .
MLA 杨名 et al. "基于氧化物固态电解质的高比能固态锂离子电池开发策略" . | 功能材料与器件学报 30 . 02 (2024) : 89-95 .
APA 杨名 , 吴燔 , 李王阳 . 基于氧化物固态电解质的高比能固态锂离子电池开发策略 . | 功能材料与器件学报 , 2024 , 30 (02) , 89-95 .
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3D打印制备微型超级电容器的研究进展
期刊论文 | 2024 , PageCount-页数: 3 (16) , 104-106 | 科技与创新
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Abstract :

微型超级电容器(Micro-Supercapacitors,MSCs)由于高功率密度和易于集成而被认为是极有前途的微型储能器件。但传统超级电容器制造工艺在结构定制上的局限性限制了其性能的进一步提升。3D打印技术因能快速成型地制造任意几何结构的电极和其他组件,以实现理想的电化学性能和简单集成,近年来引起了广泛关注。首先介绍了3D打印技术的分类和技术特点,然后综述了3D打印技术在微型超级电容器中应用的一些最新研究进展,最后对3D打印技术制备微型超级电容器的现有挑战和未来发展方向进行了总结与展望。

Keyword :

3D打印 3D打印 储能 储能 微型超级电容器 微型超级电容器 电极 电极

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GB/T 7714 姚品晶 , 李王阳 . 3D打印制备微型超级电容器的研究进展 [J]. | 科技与创新 , 2024 , PageCount-页数: 3 (16) : 104-106 .
MLA 姚品晶 et al. "3D打印制备微型超级电容器的研究进展" . | 科技与创新 PageCount-页数: 3 . 16 (2024) : 104-106 .
APA 姚品晶 , 李王阳 . 3D打印制备微型超级电容器的研究进展 . | 科技与创新 , 2024 , PageCount-页数: 3 (16) , 104-106 .
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