Enhanced Performance of E-Bike Motive Power Lead–Acid Batteries with Graphene as an Additive to the Active Mass | Zendy

Haiyan Hu | Zendy; Ning Xie | Zendy; Chen Wang | Zendy; LiYa Wang | Zendy; R. M. Privette | Zendy; Hua-Fei Li | Zendy; Ming Pan | Zendy; Fan Wu | Zendy; Yan Xiao-ling | Zendy; Bang-Bang Jiang | Zendy; Marvin H. Wu | Zendy; K. Vinodgopal | Zendy; Guiping Dai | Zendy

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Enhanced Performance of E-Bike Motive Power Lead–Acid Batteries with Graphene as an Additive to the Active Mass

Author(s) -

Haiyan Hu,

Ning Xie,

Chen Wang,

LiYa Wang,

R. M. Privette,

Hua-Fei Li,

Ming Pan,

Fan Wu,

Yan Xiao-ling,

Bang-Bang Jiang,

Marvin H. Wu,

K. Vinodgopal,

Guiping Dai

Publication year - 2018

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.8b00353

Subject(s) - graphene , lead–acid battery , materials science , battery (electricity) , oxide , chemical engineering , nanotechnology , composite material , power (physics) , metallurgy , engineering , physics , quantum mechanics

The effects of both graphene nanoplatelets and reduced graphene oxide as additives to the negative active material in valve-regulated lead-acid batteries for electric bikes were investigated. Low-temperature performance, charge acceptance, cycle performance, and water loss were investigated. The test results show that the low-temperature performance, charge acceptance, and large-current discharge performance of the batteries with graphene additives were significantly improved compared to the control battery, and the cycle life under 100% depth of discharge condition was extended by more than 52% from 250 to 380 cycles. Meanwhile, the amount of water loss from the batteries with graphene changed only slightly compared with the control cells. The excellent performance of the batteries can be ascribed to the graphene promoting the negative-plate charge and discharge processes and suppressing the growth of lead sulfate crystals.

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