leolion_1 (leolion_1) wrote,

колорадская химия

Как заставить колорадских микроорганизмов из колорадских сточных вод от колорадского пива работать на колорадские батарейки.
Не, не политическое))

Biomass can serve as a sustainable template for the synthesis of carbon materials but is limited by the intrinsic properties of the precursor organism. In this study we demonstrate that the properties of a fungal biotemplate can be tuned during cultivation, establishing a new electrode manufacturing process and ultimately improving the electrochemical performance of the biomass-derived electrode. More specifically, the carbon/nitrogen ratio of Neurospora crassa mycelia mats was shifted by 5-fold while generating cobalt nanoparticles into the hyphal structure originating from macroconidia spores. This shift was achieved through nitrate limitation and equal molar concentrations of Mg2+ and Co2+ in the growth media. The resulting mycelia mat was converted via a high-temperature pyrolysis process (800 °C) to produce a freestanding cobalt and nitrogen codoped electrode material with no postmodification. Ultimately, nitrogen doping resulted in one of the highest recorded specific reversible capacity for a freestanding biomass-derived lithium-ion anode (400 mAh g–1 at C/10). We observed an additional improvement in capacity to 425 mAh g–1 with the incorporation of 3 wt % Co. Our results show how shaping the chemical characteristics of an electrode during the growth of the biotemplate allows for sustainable carbon-based material manufacturing from a living (self-assembled) material.

Tags: sciendum

  • still I am

    Обожаю приглашения на "мусорные" конференции. Исключительно ради обращений, больше ни от кого таких не дождаться. " Диар Марь Санна!…

  • (no subject)

    Cкажите мне, только ли я вспоминаю бессмертное произведение Гарри нашего Гаррисона "Неукротимая планета", глядя на вал сообщений о мутациях…

  • погоды стоят - 2

    И вот только человечки вообразят себе, что управляют миром и погодой, понастроят своих смешных зеркалец и вертушек на спичечках, как сверху им…

  • Post a new comment


    Anonymous comments are disabled in this journal

    default userpic

    Your IP address will be recorded