Preparation of a Hierarchically Porous Lead/Carbon Composite and Its Application in Lead‐Carbon Batteries | Zendy

Gao Yunfang | Zendy; Wan Huojun | Zendy; Xia Yunchuan | Zendy; Xu Xin | Zendy; Wu BaoLiang | Zendy

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Preparation of a Hierarchically Porous Lead/Carbon Composite and Its Application in Lead‐Carbon Batteries

Author(s) -

Gao Yunfang,

Wan Huojun,

Xia Yunchuan,

Xu Xin,

Wu BaoLiang

Publication year - 2018

Publication title -

chempluschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.801

H-Index - 61

ISSN - 2192-6506

DOI - 10.1002/cplu.201800515

Subject(s) - carbon fibers , pseudocapacitance , composite number , chemical engineering , materials science , lead (geology) , battery (electricity) , porosity , toluene , hydrogen , chemistry , composite material , electrochemistry , organic chemistry , electrode , supercapacitor , power (physics) , physics , geomorphology , quantum mechanics , engineering , geology

A novel and scalable lead‐modified phenolic resin‐based carbon material (Pb/PRC) has been successfully prepared by using lead‐modified phenolic resin (Pb/PR) as a precursor, toluene as a pore‐forming agent, and KOH as an activating agent. The Pb/PRC composite presents a hierarchically porous nanosphere structure, and this structure contributes to prolong its cycling life under high‐rate partial state‐of‐charge (HRPSoC) operation. Pb/PRC with nano‐lead can effectively inhibit hydrogen evolution and provide pseudocapacitance. Compared with a blank negative plate, a lead‐carbon battery with Pb/PRC displays 18 000 cycles under HRPSoC operation and exhibits a capacity of 100 mA h g −1 at 2 C discharge rate.

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