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Microsupercapacitors Working at 250 °C

Mishukova, Viktoriia (author)
KTH,Integrerade komponenter och kretsar,KTH Royal institute of Technology, School of Electrical Engineering and Computer Science, Electrum 229, Kista, Sweden,KTH Royal Inst Technol, Sch Elect Engn & Comp Sci, Electrum 229, S-16440 Kista, Sweden.,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
Su, Yingchun (author)
KTH,Elektronik och inbyggda system,KTH Royal institute of Technology, School of Electrical Engineering and Computer Science, Electrum 229, Kista, Sweden,KTH Royal Inst Technol, Sch Elect Engn & Comp Sci, Electrum 229, S-16440 Kista, Sweden.,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
Chen, Shiqian (author)
KTH,Elektronik och inbyggda system,KTH Royal institute of Technology, School of Electrical Engineering and Computer Science, Electrum 229, Kista, Sweden,KTH Royal Inst Technol, Sch Elect Engn & Comp Sci, Electrum 229, S-16440 Kista, Sweden.,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
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Boulanger, Nicolas (author)
Umeå universitet,Institutionen för fysik,Department of Physics Umeå University 901 87 Umeå Sweden,Umeå Univ, Dept Phys, S-90187 Umeå, Sweden.,Umeå University
Xu, Bo (author)
MIIT Key Laboratory of Advanced Display Materials and Devices Institute of Optoelectronics & Nanomaterials School of Materials Science and Engineering Nanjing University of Science and Technology 210 094 Nanjing China,Nanjing Univ Sci & Technol, Inst Optoelect & Nanomat, Sch Mat Sci & Engn, MIIT Key Lab Adv Display Mat & Devices, Nanjing 210094, Peoples R China.,Nanjing University of Science and Technology
Sudhan Thangavelu, Hari Hara, 1998 (author)
Department of Industrial and Materials Science Chalmers University of Technology 412 58 Gothenburg Sweden,Chalmers Univ Technol, Dept Ind & Mat Sci, S-41258 Gothenburg, Sweden.,Chalmers tekniska högskola,Chalmers University of Technology
Sun, Jinhua, 1987 (author)
Department of Industrial and Materials Science Chalmers University of Technology 412 58 Gothenburg Sweden,Chalmers Univ Technol, Dept Ind & Mat Sci, S-41258 Gothenburg, Sweden.,Chalmers tekniska högskola,Chalmers University of Technology
Xia, Wei, Senior Lecture/Associate Professor (author)
Uppsala universitet,Tillämpad materialvetenskap,Uppsala University
Talyzin, Aleksandr V., 1969- (author)
Umeå universitet,Institutionen för fysik,Department of Physics Umeå University 901 87 Umeå Sweden,Umeå Univ, Dept Phys, S-90187 Umeå, Sweden.,Umeå University
Li, Jiantong, 1980- (author)
KTH,Elektronik och inbyggda system,KTH Royal institute of Technology, School of Electrical Engineering and Computer Science, Electrum 229, Kista, Sweden,KTH Royal Inst Technol, Sch Elect Engn & Comp Sci, Electrum 229, S-16440 Kista, Sweden.,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
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 (creator_code:org_t)
Wiley-VCH Verlagsgesellschaft, 2023
2023
English.
In: Batteries & Supercaps. - : Wiley-VCH Verlagsgesellschaft. - 2566-6223.
Related links:
https://doi.org/10.1...
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https://urn.kb.se/re...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The raised demand for portable electronics in high-temperature environments (>150 °C) stimulates the search for solutions to release the temperature constraints of power supply. All-solid-state microsupercapacitors (MSCs) are envisioned as promising on-chip power supply components, but at present, nearly none of them can work at temperature over 200 °C, mainly restricted by the electrolytes which possess either low thermal stability or incompatible fabrication process with on-chip integration. In this work, we have developed a novel process to fabricate highly thermally stable ionic liquid/ceramic composite electrolytes for on-chip integrated MSCs. Remarkably, the electrolytes enable MSCs with graphene-based electrodes to operate at temperatures as high as 250 °C with a high areal capacitance (~72 mF cm−2 at 5 mV s−1) and good cycling stability (70 % capacitance retention after 1000 cycles at 1.4 mA cm−2).

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Energiteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Energy Engineering (hsv//eng)
NATURVETENSKAP  -- Kemi -- Materialkemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Materials Chemistry (hsv//eng)
NATURVETENSKAP  -- Fysik -- Annan fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Other Physics Topics (hsv//eng)

Keyword

microsupercapacitors
high-temperature electronics
solid electrolytes
ceramic matrix
ionic liquid
Electrical Engineering
Elektro- och systemteknik

Publication and Content Type

ref (subject category)
art (subject category)

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