Long‐Lifetime Triboelectric Nanogenerator Operated in Conjunction Modes and Low Crest Factor,Advanced Energy Materials

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Long‐Lifetime Triboelectric Nanogenerator Operated in Conjunction Modes and Low Crest Factor
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2020-01-15 , DOI: 10.1002/aenm.201903024
Xinyuan Li _{1,

2} , Xing Yin _{1,

2} , Zhihao Zhao _{1,

2} , Linglin Zhou _{1,

2} , Di Liu _{1,

2} , Chunlei Zhang _{1,

2} , Chuguo Zhang _{1,

2} , Wei Zhang _{1,

2} , Shaoxin Li _{1,

2} , Jie Wang _{1,

2} , Zhong Lin Wang _{1,

2,

3}

Affiliation

The high‐output triboelectric nanogenerator (TENG) is indispensable for its practical applications toward industrial products. However, the electricity loss in simple parallel connection among all units and the typically high crest factor output seriously hamper the practical applications of TENG. Here, a rectified TENG is reported in parallel structure to solve the problem of electricity loss in simple parallel connection. The rotational contact–separation structure with phase difference between rectified TENGs addresses high crest factor output and extends service life of rotational TENG simultaneously. The current crest factor is dramatically decreased to 1.31 in multiple rectifier multiple TENG in parallel (MRM‐TENG), while that of TENG in simple parallel is higher than 6. Meanwhile, the current output can retain up to ≈93% of its initial performance after 7 200 000 rotations under 2.00 r s⁻¹ of 1000 h. Furthermore, the equivalent current can be in linear growth with low crest factor by making MRM‐TENG in parallel for distributed energy supply without electricity loss. This work may provide a new strategy for TENG in parallel to achieve a low crest factor output and long‐term cycling stability power generation in distributed energy harvesting for large‐scale power application.

中文翻译：

结合模式和低波峰因数运行的长寿命摩擦电纳米发电机

高输出摩擦电纳米发电机（TENG）对于工业产品的实际应用是必不可少的。但是，所有单元之间的简单并联连接中的电力损耗和典型的高波峰因数输出严重阻碍了TENG的实际应用。在此，为了解决简单的并联连接中的电力损耗的问题，报道了并联结构的整流TENG。整流的TENG之间具有相位差的旋转接触-分离结构可解决高波峰因数输出问题，并同时延长旋转TENG的使用寿命。在并联的多个整流器TENG（MRM-TENG）中，电流波峰因数显着降低到1.31，而在简单并联的TENG中，电流波峰因数大于6。1000小时的^-1此外，通过使MRM-TENG并联用于分布式能源供应而无电损耗，等效电流可以以低波峰因数线性增长。这项工作可能会为TENG并行提供一种新策略，以在大型电力应用的分布式能量收集中实现低波峰因数输出和长期循环稳定发电。

更新日期：2020-02-18

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