A high power spiral wound lead-acid battery for hybrid electric vehicles

The Twelfth Annual Battery Conference on Applications and Advances Pub Date : 1997-01-14 DOI:10.1109/BCAA.1997.574095

J. Olson, E. Sexton

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引用次数: 2

Abstract

Optima Batteries, Inc. is developing a high power (660 W/kg) spiral wound lead-acid 6 V battery with a nominal capacity of 15 Ah. Its exceptional power and excellent thermal characteristics make it a promising choice for hybrid electric vehicle applications. The hybrid electric vehicle presents a new and unique challenge for energy storage systems. The batteries require high power for acceleration and hill climbing and good charge acceptance for regenerative braking and overall energy efficiency. Since the on board auxiliary power unit results in much lower demands for battery energy capacity, lead-acid batteries fit quite well into these performance requirements. Many of the remaining challenges involve the development of battery management systems which must function to maintain the battery pack at peak performance and achieve an economical cycle life. Related to the issue of battery management is information about conditions that may cause damage or unbalance of the pack. Experiments are described investigating the effects of extreme cell reversal on battery capacity and cycle life. The results demonstrate the amazing robustness of the lead-acid battery for tolerating over discharge.

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混合动力汽车用大功率螺旋缠绕铅酸电池

Optima电池公司正在开发一种高功率(660 W/kg)螺旋缠绕铅酸6 V电池，标称容量为15 Ah。其卓越的功率和优异的热特性使其成为混合动力汽车应用的有希望的选择。混合动力汽车对储能系统提出了新的、独特的挑战。电池需要高功率加速和爬坡和良好的充电接受再生制动和整体能源效率。由于车载辅助动力单元对电池能量容量的要求要低得多，铅酸电池很好地满足了这些性能要求。许多剩下的挑战涉及电池管理系统的开发，这些系统必须能够保持电池组的最佳性能并实现经济的循环寿命。与电池管理问题相关的是有关可能导致电池组损坏或不平衡的条件的信息。实验描述了极端电池翻转对电池容量和循环寿命的影响。实验结果表明，铅酸电池具有很强的抗过放电能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Twelfth Annual Battery Conference on Applications and Advances

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