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25 results on '"Liu, Xintian"'

7. State-of-Power Estimation of Li-Ion Batteries Considering the Battery Surface Temperature

Author

Zheng Xinxin, Zeng Guojian, Liu Xintian, He Yao, and Jiangfeng Zhang

Subjects
Surface (mathematics), Battery (electricity), General Energy, Materials science, 020209 energy, Nuclear engineering, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, State (computer science), Energy storage, Ion, Power (physics)
Abstract

© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim The state-of-power (SOP) of a Li-ion battery (LIB) is an important evaluation index for safety control and energy recovery in electric vehicles. Major state estimation methods are only applicable to fixed room temperature at 20 °C, although the battery capacity and resistance vary dramatically with a change in battery surface temperature in the working process of the battery. This causes significant errors in state estimation if only room temperature is assumed. The inaccurate state may cause further excessive current at high or low temperatures to affect safety and life cycle of the battery. Therefore, a novel state estimation method applicable to various battery surface temperatures is developed here. This method uses capacity–temperature and resistance–temperature relationships from experimental data to more accurately predict battery capacity and resistance over the full temperature range. It then applies the extended Kalman filter (EKF) technique to estimate the state-of-charge, and a method of constrained multi-parameter algorithm (CMPA) to estimate the SOP of LIBs. Simulation and experimental results show that the proposed method can obtain accurate SOP results at different temperatures.

Published
2018
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14. Chromosome‐level genome assembly of the greenfin horse‐faced filefish (Thamnaconus septentrionalis) using Oxford Nanopore PromethION sequencing and Hi‐C technology

Author

Bian, Li, primary, Li, Fenghui, additional, Ge, Jianlong, additional, Wang, Pengfei, additional, Chang, Qing, additional, Zhang, Shengnong, additional, Li, Jie, additional, Liu, Changlin, additional, Liu, Kun, additional, Liu, Xintian, additional, Li, Xuming, additional, Chen, Hongju, additional, Chen, Siqing, additional, Shao, Changwei, additional, and Lin, Zhishu, additional

Published
2020
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