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      SCOPUS SCIE

      Full lithographic fabrication of boron-doped 3D porous carbon patterns for high volumetric energy density microsupercapacitors

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      https://www.riss.kr/link?id=A107467953

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      다국어 초록 (Multilingual Abstract)

      <P><B>Abstract</B></P> <P>Carbon electrodes that are thick and maintain a high volumetric energy density are essential for high energy storage microsupercapacitors (MSCs). Here, fabrication of an electrode based on a boron-doped 3D porous carbon pattern (B-3D-PCP) by lithographic processes is demonstrated. The B-3D-PCP is obtained by carbonization and doping of a polymer pattern fabricated by interference lithography. Then, plasma etching is performed on the B-3D-PCP to obtain an interdigitated electrode, and a polymer electrolyte is applied to complete the MSC. The B-3D-PCP shows remarkably high pseudocapacitance after B-doping. This electrode also exhibits no capacitance loss when the electrode width increases, even at very high scan rates, owing to the uniform pores of the 3D-PCP. The solid-state B-3D-PCP MSC with a polymer gel electrolyte shows a capacitance of 7.1 mF/cm<SUP>2</SUP>, with a remarkable capacitance retention of 81%, especially upon a scan rate increase of 10 times at 100 mV. With B-3D-PCP MSCs, a volumetric energy density of 7.1 mWh/cm<SUP>3</SUP> and a volumetric power density of 66 W/cm<SUP>3</SUP> could be achieved. Finally, the performance of the MSC is demonstrated by using it to power various electronic devices. The results suggest a new electrode for the MSC that overcomes the performance limitations of conventional electrodes.</P> <P><B>Highlights</B></P> <P> <UL> <LI> We demonstrate a boron-doped 3D porous carbon pattern (B-3D-PCP) electrode fabricated by a full lithographic process. </LI> <LI> The B-3D-PCP microsupercapacitor shows a capacitance of 7.15mF/cm<SUP>2</SUP>, with a remarkable capacitance retention of 81%. </LI> <LI> The B-3D-PCP MSCs had a volumetric energy density of 7.1 mWh/cm<SUP>3</SUP> and volumetric power density of 66 W/cm<SUP>3</SUP>. </LI> <LI> We successfully demonstrate the performance of our MSC by powering various electronic devices. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>Summary of the research: We fabricated a boron-doped 3D porous carbon pattern electrode using 3D interference lithography and applied it to a microsupercapacitor to obtain an excellent volumetric energy density of 7.1 mWh/cm<SUP>3</SUP>.</P> <P>[DISPLAY OMISSION]</P>
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      <P><B>Abstract</B></P> <P>Carbon electrodes that are thick and maintain a high volumetric energy density are essential for high energy storage microsupercapacitors (MSCs). Here, fabrication of an electrode based on a bor...

      <P><B>Abstract</B></P> <P>Carbon electrodes that are thick and maintain a high volumetric energy density are essential for high energy storage microsupercapacitors (MSCs). Here, fabrication of an electrode based on a boron-doped 3D porous carbon pattern (B-3D-PCP) by lithographic processes is demonstrated. The B-3D-PCP is obtained by carbonization and doping of a polymer pattern fabricated by interference lithography. Then, plasma etching is performed on the B-3D-PCP to obtain an interdigitated electrode, and a polymer electrolyte is applied to complete the MSC. The B-3D-PCP shows remarkably high pseudocapacitance after B-doping. This electrode also exhibits no capacitance loss when the electrode width increases, even at very high scan rates, owing to the uniform pores of the 3D-PCP. The solid-state B-3D-PCP MSC with a polymer gel electrolyte shows a capacitance of 7.1 mF/cm<SUP>2</SUP>, with a remarkable capacitance retention of 81%, especially upon a scan rate increase of 10 times at 100 mV. With B-3D-PCP MSCs, a volumetric energy density of 7.1 mWh/cm<SUP>3</SUP> and a volumetric power density of 66 W/cm<SUP>3</SUP> could be achieved. Finally, the performance of the MSC is demonstrated by using it to power various electronic devices. The results suggest a new electrode for the MSC that overcomes the performance limitations of conventional electrodes.</P> <P><B>Highlights</B></P> <P> <UL> <LI> We demonstrate a boron-doped 3D porous carbon pattern (B-3D-PCP) electrode fabricated by a full lithographic process. </LI> <LI> The B-3D-PCP microsupercapacitor shows a capacitance of 7.15mF/cm<SUP>2</SUP>, with a remarkable capacitance retention of 81%. </LI> <LI> The B-3D-PCP MSCs had a volumetric energy density of 7.1 mWh/cm<SUP>3</SUP> and volumetric power density of 66 W/cm<SUP>3</SUP>. </LI> <LI> We successfully demonstrate the performance of our MSC by powering various electronic devices. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>Summary of the research: We fabricated a boron-doped 3D porous carbon pattern electrode using 3D interference lithography and applied it to a microsupercapacitor to obtain an excellent volumetric energy density of 7.1 mWh/cm<SUP>3</SUP>.</P> <P>[DISPLAY OMISSION]</P>

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