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- Khan, ZiyauddinLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten (author)
Water-in-Polymer Salt Electrolyte for Slow Self-Discharge in Organic Batteries
- Article/chapterEnglish2022
Publisher, publication year, extent ...
- 2021-11-16
- WILEY,2022
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:liu-184852
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-184852URI
- https://doi.org/10.1002/aesr.202100165DOI
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- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Funding Agencies|Proof-of-Concept project "Paper Batteries" - Knut and Alice Wallenberg (KAW) foundation; "high-voltage aqueous electrolytes" - Knut and Alice Wallenberg (KAW) foundation; "Wood Wallenberg Science Center" - Knut and Alice Wallenberg (KAW) foundation; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [2009-00971]; Wallenberg Scholar grants from KAW
- In electrochemical energy storage devices (ESDs), organic electrolytes are typically used for wide operational potential window, yet they suffer with cost, environmental, flammability issues, and low ionic conductivity when compared with water-based electrolytes. Hence, for large-scale applications that require high power and safety, presently there is no true solution. Though water-based electrolytes have higher ionic conductivities, and are cost-effective and nonflammable, their high self-discharge rate with organic/carbon-based electrodes impedes their commercialization. It is found out that highly concentrated polymer electrolytes on the concept of "water-in-salt electrolyte" lead to extremely low leakage current within the electrochemical stability window (ESW) of water, thus solving the issue of self-discharge in organic/carbon-based ESDs. Herein, potassium polyacrylate (PAAK) is prepared as "water-in-polymer salt electrolyte" (WIPSE) and tested for one of most abundant wood-based biopolymer lignin and polyimide as positive and negative electrodes, respectively, in both half-cell and full-cell. The device shows an open-circuit voltage drops <0.45V in 100h setting a record for organic batteries using aqueous electrolyte. The high ionic conductivity (40-120mScm(-1)) nonflammability of PAAK with high ESW (3.1V) opens a new direction for truly safe, sustainable, and high power (6.8kWkg(-1)) organic ESD manufactured by printing technologies.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik Vattenteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Civil Engineering Water Engineering hsv//eng
- biopolymers; lignin; organic battery; polymer batteries; polymer electrolytes; self-discharge; water in salt
Added entries (persons, corporate bodies, meetings, titles ...)
- Ail, UjwalaLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)ujwai73 (author)
- Ajjan, FátimaLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)fataj75 (author)
- Phopase, JaywantLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)jayph80 (author)
- Khan, ZiaLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)ziaul09 (author)
- Kim, NaraLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)narki16 (author)
- Nilsson, JakobLigna Energy AB, Sweden (author)
- Inganäs, OlleLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)ollin59 (author)
- Berggren, MagnusLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Wallenberg Wood Science Center(Swepub:liu)magbe98 (author)
- Crispin, XavierLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Wallenberg Wood Science Center(Swepub:liu)xavcr43 (author)
- Linköpings universitetLaboratoriet för organisk elektronik (creator_code:org_t)
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- In:Advanced Energy and Sustainability Research: WILEY3:12699-9412
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