Energy Storage Science and Technology ›› 2019, Vol. 8 ›› Issue (6): 1096-1106.doi: 10.12028/j.issn.2095-4239.2019.0109

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Recent progresses and prospects of lead redox flow battery

XUE Yawen, XIE Mengru, LI Jindong, XIONG Rui, YUAN Du, GUO Zhigang, DENG Chengzhi, WU Xu   

  1. 1 School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China;
    2 Tianneng Battery Group Co., Ltd, Huzhou 313100, Zhejiang, China
  • Received:2019-05-27 Revised:2019-07-13 Online:2019-11-01 Published:2019-07-26

Abstract: The lead redox flow battery (LRFB), as a novel type of lead battery, which has bright prospects in future research and application, is becoming a research focus in electrochemistry. Since it was proposed by Pletcher in 2004, a number of relative researches have been done. This paper analyzes the theoretical performances, reviews the development history, and introduces the research status of LRFB. Research outcomes exhibited that the performances of SLFB on the 100 cm2 electrode scale reached 90% charge efficiencies and 80% voltage efficiencies across 100 cycles, and the tests on the 1000 cm2 electrodes of SLFB were already done. According to theoretical calculation and analysis, the energy storage cost of LRFBs is only 0.265 ¥·(kW·h)-1, which is lower compared with conventional lead acid batteries. The exigent problems of LRFB to be solved include:① scaleup experiments are necessary; ② cost reduction by developing current collector materials; ③ failure mechanisms study to improve cycle life;④ restore or repair methods for spent LRFB.

Key words: lead acid battery, flow battery, soluble lead flow battery, energy storage cost, cycle life

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