Hybrid capacitors utilizing halogen-based redox reactions at interface between carbon positive electrode and aqueous electrolytes
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文摘

Aqueous HC is developed with Br-water treatment of activated carbon positive.

Conventional EDLC is changed into HC just by pretreatment and NaBr electrolyte.

HC shows no capacitance decay to 100,000 cycles with high coulombic efficiency.

The HC realizes 1.8 V operation in spite of an aqueous electrolyte.

1.8 V HC operation provides higher energy and power even than 2.7 V EDLC.

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