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首页> 外文期刊>日本マリンエンジニアリング学会誌 >Statistical Analysis Applied to Ni-MH Battery Impedance for Preservation
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Statistical Analysis Applied to Ni-MH Battery Impedance for Preservation

机译：统计分析适用于保存的Ni-MH电池阻抗

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摘要

Battery-powered prime mover vehicles, i.e., electric vehicles (EVs) and hybrid electric vehicles (HEVs), of which drive train system shall be applied for traction drive type gantry cranes at the port and harbor facilities. The battery has a chemical degradation both cycle and preservation time. The battery verification shall be done in both aspect of the battery cycle lifetime experiment and the battery preservation lifetime experiment. Though it is a fact that the most of the experiment which does not verify the battery preservation lifetime but the battery cycle lifetime prior to the battery mass production. Owing to an allowable research and development span, there is not enough time to verify the battery preservation lifetime experiment which makes hard to estimate the battery total life in actual usage. This study investigates a possibility extent that an AC impedance response analysis, which method can verify the battery deterioration condition in progress of cycle lifetime experiment which was previously reported, and also apply to verify the battery deterioration condition in progress of preservation periods and the estimation life time. The battery is focused on a Nickel-metal hydride (Ni-MH) battery which is widely used as traction energy storage in HEVs. The AC impedance response analysis is an appropriate method which can be detected easily to measure the battery deterioration level of an amount of the battery's self-discharge, a nominal type of Ni-MH battery called AB5 alloy type. The final objective of this study is verified that the AC impedance response with a statistical analysis is an effective method to verify the battery deterioration level in progress of preservation easily and to estimate the battery total life time.
机译：电池驱动的原动机车辆，即电动汽车（EV）和混合动力电动汽车（HEV），其中驱动系统应用于港口设施的牵引驱动式龙门起重机。电池在循环和保存时间上都会发生化学降解。电池验证应在电池循环寿命试验和电池保存寿命试验两方面进行。尽管在电池批量生产之前，大多数实验并没有验证电池的保存寿命，而是验证电池的循环寿命，这是一个事实。由于研究和开发时间有限，没有足够的时间来验证电池的保存寿命试验，这使得在实际使用中很难估计电池的总寿命。本研究调查了交流阻抗响应分析的可能性程度，该方法可以验证之前报告的循环寿命试验过程中的电池劣化状态，也适用于验证保存期过程中的电池劣化状态和估计寿命。该电池主要是一种镍金属氢化物（MH）电池，广泛用于混合动力汽车的牵引储能。交流阻抗响应分析是一种合适的方法，可以很容易地检测到，以测量电池自放电量的电池劣化程度，这种电池是一种标称类型的镍氢电池，称为AB5合金类型。本研究的最终目的是验证交流阻抗响应和统计分析是一种有效的方法，可以方便地验证电池在保存过程中的劣化程度，并估算电池的总寿命。

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