This paper proposes the self-reconfigurable batteries topology without DC-DC converter, which is similar to self-reconfigurable batteries, but it can guarantee that the voltage of the battery pack is within the set range when the SOC (state of charge) is from 0 to 100%, even if the voltage will drop with the SOC or some cells will be bypassed. Simply put, when the battery pack is discharged, the batteries whose SOC is high and their voltages satisfy the demand are discharged, and the cell with lower SOC is continuously replaced, and the consistency of the battery pack is ensured while stabilizing the voltage. The topological and control strategy are analyzed in detail. The proposed topology is verified by the battery pack composed of 9 cells in series, the experiment result shows that this topology not only retains the advantages of good equalization of self-reconfiguration batteries but also maintains low voltage fluctuations even without DC-DC converters, besides, without the DC-DC converter, the capacity utilization rate of the battery pack reaches 99.8%, demonstrating the superior performance of the proposed topology.

中文翻译：

---

自重构电池在整个周期内具有稳定的电压，无需 DC-DC 转换器

本文提出了无需DC-DC变换器的自重构电池拓扑，与自重构电池类似，但可以保证当SOC（state of charge）从0 到 100%，即使电压会随着 SOC 下降或某些电池将被旁路。简单来说，就是在电池组放电时，将SOC较高且电压满足需求的电芯放电，不断更换SOC较低的电芯，在稳定电压的同时保证电池组的一致性。详细分析了拓扑和控制策略。通过9节电池串联组成的电池组对所提出的拓扑进行了验证，实验结果表明，该拓扑不仅保留了自重构电池均衡性好的优点，而且即使在没有DC-DC转换器的情况下也能保持较低的电压波动。 ，在没有DC-DC转换器的情况下，电池组的容量利用率达到99.8%，证明了所提出的拓扑的优越性能。