Chonnam National University

Hyundai Motor Company

Kia Motors Corporation

Ho Young Jung

Jin Yong Shim

Karmegam Dhanabalan

Jae Shin Jo

Sadhasivam Thangarasu

A negative electrode active material for a lead storage battery or a Pb/C battery according to an embodiment includes a porous carbon material having a plurality of pores and a lead nanoparticle formed in the pores. The material may be capable of controlling the crystal size of lead sulfate produced at a negative electrode during discharging of a lead storage battery and a Pb/C battery.

Negative electrode active material for lead storage battery and Pb/C battery, preparation method therefor, and lead storage battery and Pb/C battery comprising negative electrode active material

A novel silane-based functionalized polymer is useful as an organic precursor material for forming inorganic particles that are introduced when manufacturing a polymer electrolyte composite membrane. A polymer electrolyte composite membrane according to an embodiment of the present invention includes at least one of a perfluorinated polymer and a hydrocarbon-based polymer, and a silane-based functionalized polymer represented by Chemical Formula 1.

Silane-based functionalized polymer, method of preparing same and polymer electrolyte composite membrane including same

A negative electrode of a secondary battery may include an electrode plate including lead; and an active material layer provided on the electrode plate and including composite particles having a core-shell structure, wherein a core of the composite particle includes lead; a shell of the composite particle includes carbon; and a specific surface area of the composite particles is 1 to 5,000 m/g.

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Gwangju, South Korea

Ho Young Jung