Fungal Biomineralization of Manganese as a Novel Source of Electrochemical Materials

Qianwei Li, Daoqing Liu, Zheng Jia, Laszlo Csetenyi, Geoffrey Michael Gadd (Lead / Corresponding author)

Research output: Contribution to journalArticle

15 Citations (Scopus)
159 Downloads (Pure)

Abstract

Electrical energy storage systems such as rechargeable lithium-ion batteries (LiBs) and supercapacitors have shown great promise as sustainable energy storage systems [1-4]. However, LiBs have high specific energy density (energy stored per unit mass) and act as slow, steady suppliers for large energy demands. In contrast, supercapacitors possess high specific power (energy transferred per unit mass per unit time) and can charge and discharge quickly for low energy demands. In LiBs, graphite is the most common anode material, although high electrolyte sensitivity and low charge capacity can limit performance. Efforts have been made to improve LiB or supercapacitor performance using alternative electrode materials such as carbon nanotubes and manganese oxides (MnxOy) [3, 5-14]. Microorganisms play significant roles in metal and mineral biotransformations [15-22]. Fungi possess various biomineralization properties, as well as a filamentous mycelium, which may provide mechanical support for mineral deposition. Although some research has been carried out on the application of biological materials as carbon precursors [8, 9, 23], biomineralizing fungal systems have not been investigated. In this research, novel electrochemical materials have been synthesized using a fungal Mn biomineralization process based on urease-mediated Mn carbonate bioprecipitation [24]. The carbonized fungal biomass-mineral composite (MycMnOx/C) showed a high specific capacitance (>350 F g-1) in a supercapacitor and excellent cycling stability (>90% capacity was retained after 200 cycles) in LiBs. This is the first demonstration of the synthesis of electrode materials using a fungal biomineralization process, thus providing a novel strategy for the preparation of sustainable electrochemical materials. Li et al. synthesized novel electrochemical materials using a fungal Mn biomineralization process. They studied the electrochemical properties of the carbonized fungal biomass-mineral composite in a supercapacitor and a lithium-ion battery, thus providing a novel biotechnological method for preparation of sustainable electrochemical materials.

Original languageEnglish
Pages (from-to)950-955
Number of pages6
JournalCurrent Biology
Volume26
Issue number7
Early online date17 Mar 2016
DOIs
Publication statusPublished - 4 Apr 2016

Fingerprint

Biomineralization
Manganese
Lithium
manganese
lithium
Minerals
Ions
Electrodes
ions
Biomass
energy
minerals
Renewable Energy
composite materials
Energy storage
Carbon Nanotubes
Graphite
electrodes
Urease
Mycelium

Keywords

  • Biomineralization
  • Electrochemical materials
  • Fungi
  • Manganese

Cite this

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title = "Fungal Biomineralization of Manganese as a Novel Source of Electrochemical Materials",
abstract = "Electrical energy storage systems such as rechargeable lithium-ion batteries (LiBs) and supercapacitors have shown great promise as sustainable energy storage systems [1-4]. However, LiBs have high specific energy density (energy stored per unit mass) and act as slow, steady suppliers for large energy demands. In contrast, supercapacitors possess high specific power (energy transferred per unit mass per unit time) and can charge and discharge quickly for low energy demands. In LiBs, graphite is the most common anode material, although high electrolyte sensitivity and low charge capacity can limit performance. Efforts have been made to improve LiB or supercapacitor performance using alternative electrode materials such as carbon nanotubes and manganese oxides (MnxOy) [3, 5-14]. Microorganisms play significant roles in metal and mineral biotransformations [15-22]. Fungi possess various biomineralization properties, as well as a filamentous mycelium, which may provide mechanical support for mineral deposition. Although some research has been carried out on the application of biological materials as carbon precursors [8, 9, 23], biomineralizing fungal systems have not been investigated. In this research, novel electrochemical materials have been synthesized using a fungal Mn biomineralization process based on urease-mediated Mn carbonate bioprecipitation [24]. The carbonized fungal biomass-mineral composite (MycMnOx/C) showed a high specific capacitance (>350 F g-1) in a supercapacitor and excellent cycling stability (>90{\%} capacity was retained after 200 cycles) in LiBs. This is the first demonstration of the synthesis of electrode materials using a fungal biomineralization process, thus providing a novel strategy for the preparation of sustainable electrochemical materials. Li et al. synthesized novel electrochemical materials using a fungal Mn biomineralization process. They studied the electrochemical properties of the carbonized fungal biomass-mineral composite in a supercapacitor and a lithium-ion battery, thus providing a novel biotechnological method for preparation of sustainable electrochemical materials.",
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note = "We also acknowledge financial support from the China Scholarship Council through a PhD scholarship to Q.L. (no. 201206120066). G.M.G. gratefully acknowledges an award under the 1000 Talents Plan with the Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China.",
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Fungal Biomineralization of Manganese as a Novel Source of Electrochemical Materials. / Li, Qianwei; Liu, Daoqing; Jia, Zheng; Csetenyi, Laszlo; Gadd, Geoffrey Michael (Lead / Corresponding author).

In: Current Biology, Vol. 26, No. 7, 04.04.2016, p. 950-955.

Research output: Contribution to journalArticle

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AU - Li, Qianwei

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AU - Jia, Zheng

AU - Csetenyi, Laszlo

AU - Gadd, Geoffrey Michael

N1 - We also acknowledge financial support from the China Scholarship Council through a PhD scholarship to Q.L. (no. 201206120066). G.M.G. gratefully acknowledges an award under the 1000 Talents Plan with the Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China.

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N2 - Electrical energy storage systems such as rechargeable lithium-ion batteries (LiBs) and supercapacitors have shown great promise as sustainable energy storage systems [1-4]. However, LiBs have high specific energy density (energy stored per unit mass) and act as slow, steady suppliers for large energy demands. In contrast, supercapacitors possess high specific power (energy transferred per unit mass per unit time) and can charge and discharge quickly for low energy demands. In LiBs, graphite is the most common anode material, although high electrolyte sensitivity and low charge capacity can limit performance. Efforts have been made to improve LiB or supercapacitor performance using alternative electrode materials such as carbon nanotubes and manganese oxides (MnxOy) [3, 5-14]. Microorganisms play significant roles in metal and mineral biotransformations [15-22]. Fungi possess various biomineralization properties, as well as a filamentous mycelium, which may provide mechanical support for mineral deposition. Although some research has been carried out on the application of biological materials as carbon precursors [8, 9, 23], biomineralizing fungal systems have not been investigated. In this research, novel electrochemical materials have been synthesized using a fungal Mn biomineralization process based on urease-mediated Mn carbonate bioprecipitation [24]. The carbonized fungal biomass-mineral composite (MycMnOx/C) showed a high specific capacitance (>350 F g-1) in a supercapacitor and excellent cycling stability (>90% capacity was retained after 200 cycles) in LiBs. This is the first demonstration of the synthesis of electrode materials using a fungal biomineralization process, thus providing a novel strategy for the preparation of sustainable electrochemical materials. Li et al. synthesized novel electrochemical materials using a fungal Mn biomineralization process. They studied the electrochemical properties of the carbonized fungal biomass-mineral composite in a supercapacitor and a lithium-ion battery, thus providing a novel biotechnological method for preparation of sustainable electrochemical materials.

AB - Electrical energy storage systems such as rechargeable lithium-ion batteries (LiBs) and supercapacitors have shown great promise as sustainable energy storage systems [1-4]. However, LiBs have high specific energy density (energy stored per unit mass) and act as slow, steady suppliers for large energy demands. In contrast, supercapacitors possess high specific power (energy transferred per unit mass per unit time) and can charge and discharge quickly for low energy demands. In LiBs, graphite is the most common anode material, although high electrolyte sensitivity and low charge capacity can limit performance. Efforts have been made to improve LiB or supercapacitor performance using alternative electrode materials such as carbon nanotubes and manganese oxides (MnxOy) [3, 5-14]. Microorganisms play significant roles in metal and mineral biotransformations [15-22]. Fungi possess various biomineralization properties, as well as a filamentous mycelium, which may provide mechanical support for mineral deposition. Although some research has been carried out on the application of biological materials as carbon precursors [8, 9, 23], biomineralizing fungal systems have not been investigated. In this research, novel electrochemical materials have been synthesized using a fungal Mn biomineralization process based on urease-mediated Mn carbonate bioprecipitation [24]. The carbonized fungal biomass-mineral composite (MycMnOx/C) showed a high specific capacitance (>350 F g-1) in a supercapacitor and excellent cycling stability (>90% capacity was retained after 200 cycles) in LiBs. This is the first demonstration of the synthesis of electrode materials using a fungal biomineralization process, thus providing a novel strategy for the preparation of sustainable electrochemical materials. Li et al. synthesized novel electrochemical materials using a fungal Mn biomineralization process. They studied the electrochemical properties of the carbonized fungal biomass-mineral composite in a supercapacitor and a lithium-ion battery, thus providing a novel biotechnological method for preparation of sustainable electrochemical materials.

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