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Graphene Acid for Lithium-Ion Batteries-Carboxylation Boosts Storage Capacity in Graphene

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27640%2F22%3A10248946" target="_blank" >RIV/61989100:27640/22:10248946 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989592:15310/21:73610454 RIV/61989592:15640/21:73610454 RIV/61989100:27740/22:10248946

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/epdf/10.1002/aenm.202103010" target="_blank" >https://onlinelibrary.wiley.com/doi/epdf/10.1002/aenm.202103010</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/aenm.202103010" target="_blank" >10.1002/aenm.202103010</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Graphene Acid for Lithium-Ion Batteries-Carboxylation Boosts Storage Capacity in Graphene

  • Original language description

    Environmentally sustainable, low-cost, flexible, and lightweight energy storage technologies require advancement in materials design in order to obtain more efficient organic metal-ion batteries. Synthetically tailored organic molecules, which react reversibly with lithium, may address the need for cost-effective and eco-friendly anodes used for organic/lithium battery technologies. Among them, carboxylic group-bearing molecules act as high-energy content anodes. Although organic molecules offer rich chemistry, allowing a high content of carboxyl groups to be installed on aromatic rings, they suffer from low conductivity and leakage to the electrolytes, which restricts their actual capacity, the charging/discharging rate, and eventually their application potential. Here, a densely carboxylated but conducting graphene derivative (graphene acid (GA)) is designed to circumvent these critical limitations, enabling effective operation without compromising the mechanical or chemical stability of the electrode. Experiments including operando Raman measurements and theoretical calculations reveal the excellent charge transport, redox activity, and lithium intercalation properties of the GA anode at the single-layer level, outperforming all reported organic anodes, including commercial monolayer graphene and graphene nanoplatelets. The practical capacity and rate capability of 800 mAh g(-1) at 0.05 A g(-1) and 174 mAh g(-1) at 2.0 A g(-1) demonstrate the true potential of GA anodes in advanced lithium-ion batteries.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    21100 - Other engineering and technologies

Result continuities

  • Project

    <a href="/en/project/GX19-27454X" target="_blank" >GX19-27454X: Control of electronic properties of metal-containing molecules through their noncovalent interactions with solvents, ligands and 2D nanosystems</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Advanced Energy Materials

  • ISSN

    1614-6832

  • e-ISSN

    1614-6840

  • Volume of the periodical

    12

  • Issue of the periodical within the volume

    5

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    11

  • Pages from-to

    nestrankovano

  • UT code for WoS article

    000732712200001

  • EID of the result in the Scopus database

    2-s2.0-85121572048