【作者】 王倩； 娄豫皖； 张建； 夏保佳；

【Author】 Qian Wang~1,Yuwan Lou~(1,2),Jian Zhang,BaojiaXia~(1,2) Shanghai Institute of Microsystem and Information Technology,CAS,Shanghai 200050 Shanghai Wanhong Power & Energy CO.,LTD.Shanghai 201807

【机构】 中国科学院上海微系统与信息技术研究所； 上海万宏动力能源有限公司；

【摘要】 金属氢化物-镍(Ni-MH)电池在今后相当一段时间内仍然是混合动力汽车(HEV)电源的首选。研究结果表明,在深充/浅放及浅充/浅放模式下,Ni-MH电池在循环过程中均出现了记忆效应,且随着放电深度的降低,容量降低趋于明显,即记忆效应更严重:这种伴随记忆效应出现的电池放电容量减少、放电电压降低的现象可以通过一次深充放实现容量的完全恢复,表明记忆效应是一种可逆的失效形式。更多还原

【Abstract】 The nickel-metal hydride(Ni-MH)battery have to be the first choice for powering hybrid electric vehicles (HEV)for quite a long time.Research results showed that a memory effect always accompanies cycling of Ni-MH batteries under the conditions of both the deep charge followed by shallow discharge and the shallow charge followed by shallow discharge.As the depth of discharge decreased,the capacity reduction became more obvious,indicating that the memory effect became more serious.The reduction of both the discharge capacity and the discharge voltage due to the memory effect can be eliminated through a deep charge-discharge cycle.This implies that the memory effect is a reversible failure.更多还原