Scholarlink

<p>As the primary method for industrial ozone (O<sub>3</sub>) synthesis, atmospheric-pressure dielectric barrier discharge has attracted extensive attention with regard to its energy efficiency. Researchers have tried using ns-pulsed or pulse-modulated AC power supplies to reduce gas temperature and enhance efficiency. However, ns-pulsed overvoltage breakdown facilitates quenching particles that accelerate O<sub>3</sub> decomposition, while pulse-modulated AC’s non-short discharge duration reduces cooling efficiency. Additionally, the exorbitant price of high-frequency ns-pulse power supplies diminishes overall system efficiency. This work proposes a novel pulsed AC power supply to circumvent these limitations. The cost of this supply is comparable to traditional continuous AC power supplies. By shortening the discharge duration while suppressing quenching particles, it achieves an ultrahigh O<sub>3</sub> synthesis energy efficiency of 1020 ± 186&#xa0;g/kWh. Compared to continuous AC-driven discharge, it reduces power consumption by 68–94%, rotational temperature by 118–161&#xa0;K, and the overall intensities of quenching transient particles of OH by 19–23% and N<sub>2</sub>* by 32–42%. These improvements enable high O<sub>3</sub> synthesis efficiency. When generating O<sub>3</sub> at 240–280 ppm, it cuts energy consumption by approximately 94%, and maintains N<sub>2</sub>O proportion at 1.5–2.2%. These findings provide new insights into optimizing the performance of ozone generators from a power supply perspective.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Novel Pulsed AC-Driven Atmospheric-Pressure Dielectric Barrier Discharge: Achieving Ultra-High Energy Efficiency in Ozone Synthesis

  • 期刊论文

  • 发表日期：

    2026年2月21日

查看全文
  • Xiong-Feng Zhou,
  • Jing Dai,
  • Kun Liu

摘要

As the primary method for industrial ozone (O3) synthesis, atmospheric-pressure dielectric barrier discharge has attracted extensive attention with regard to its energy efficiency. Researchers have tried using ns-pulsed or pulse-modulated AC power supplies to reduce gas temperature and enhance efficiency. However, ns-pulsed overvoltage breakdown facilitates quenching particles that accelerate O3 decomposition, while pulse-modulated AC’s non-short discharge duration reduces cooling efficiency. Additionally, the exorbitant price of high-frequency ns-pulse power supplies diminishes overall system efficiency. This work proposes a novel pulsed AC power supply to circumvent these limitations. The cost of this supply is comparable to traditional continuous AC power supplies. By shortening the discharge duration while suppressing quenching particles, it achieves an ultrahigh O3 synthesis energy efficiency of 1020 ± 186 g/kWh. Compared to continuous AC-driven discharge, it reduces power consumption by 68–94%, rotational temperature by 118–161 K, and the overall intensities of quenching transient particles of OH by 19–23% and N2* by 32–42%. These improvements enable high O3 synthesis efficiency. When generating O3 at 240–280 ppm, it cuts energy consumption by approximately 94%, and maintains N2O proportion at 1.5–2.2%. These findings provide new insights into optimizing the performance of ozone generators from a power supply perspective.