V2EX cycle life

Cycle Life

释义 Definition

cycle life循环寿命(常用于电池、超级电容等),指设备在容量或性能下降到规定阈值之前,能够完成的充放电循环次数工作循环次数。在不同标准里,常以容量降至初始值的 80% 等作为终止点。(在工程语境中也可泛指“循环使用的寿命”。)

发音 Pronunciation (IPA)

/sakl laf/

例句 Examples

A battery with a long cycle life saves money in the long run.
循环寿命长的电池从长远来看更省钱。

The manufacturer claims the cells can reach a 2,000-cycle life under controlled temperature and charging conditions.
厂家称在受控温度与充电条件下,这些电芯的循环寿命可达2000次。

词源 Etymology

该短语由 cycle(循环、周期) + life(寿命) 组合而成,属于工程与材料领域的常用搭配。其核心思想是:把“寿命”用可重复的循环次数来量化,便于测试、对比和制定标准。

相关词 Related Words

文学与作品 Notable Works

  • Lithium-Ion Batteries: Advanced Materials and Technologies(书中讨论锂离子电池的循环寿命与衰减机制)
  • Battery Management Systems: Design by Modelling(涉及电池循环寿命建模与管理策略)
  • Electrochemical Methods: Fundamentals and Applications(在电化学测试与循环相关章节中常出现该术语)
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