Heteroatom-doped porous carbon has emerged as a promising candidate for capacitive energy and gas storage applications because of its abundant availability and cost-effectiveness. In this study, a solvothermal strategy was adopted to synthesize phosphorus (P) and nitrogen (N) codoped activated carbon (PCN-x) with an abundance
Read MoreThe unstable operation and poor effluent quality often associated with decentralized sewage treatment systems due to fluctuating water flows have garnered significant attention. In this study, a novel integrated process combining anoxic denitrification and simultaneous nitrification and denitrification was developed to address these
Read MoreUnique MOF properties for targeting specific challenges in energy storage devices. a Metal-ion batteries rely on host–guest interactions to store ions while installation of electron reservoirs
Read MoreRechargeable metal ion batteries (MIBs) are one of the most reliable portable energy storage devices today because of their high power density, exceptional energy capacity, high cycling stability, and low self-discharge [1, 2].Lithium-ion batteries (LIBs) remain the most developed and commercially viable alternative among all
Read MoreIn 0.5 M H 2 SO 4 electrolyte, our device has a specific energy E of 24.5 Wh kg −1 based on the device weight (corresponding to 39.5 Wh kg OMFLC-N −1 based on the active-material weight) or 12.0 Wh liter −1 based on the device volume (or 27.0 Wh liter OMFLC-N −1 based on the electrode volume).
Read MoreA very competitive energy density of 577 Wh L-1 can be reached, which is well above most reported flow batteries (e.g. 8 times the standard Zn-bromide battery), demonstrating that the nitrogen cycle with eight-electron transfer can offer promising cathodic redox chemistry for safe, affordable, and scalable high-energy-density storage devices.
Read Morestationary energy storage devices for modern grids based on intermittent green energy generation.[1] RFBs are unique since electrolyte and electrode are spatially separated, which has the advantages of safety, simplifies scalability and independent tuning of the energy and power output.[2] Besides liquid-liquid RFBs, hybrid-flow batteries combining
Read MoreThe industrial applications of cryogenic technologies can be summarised in three categories: (1) process cooling; (2) separation and distillation of gas mixtures; and (3) liquefaction for transportation and storage [6].The cryogenic industry has experienced continuous growth in the last decades, which was mostly driven by the worldwide
Read MoreWastewater treatment plants are the major energy consumers and significant sources of greenhouse gas emissions, among which biological nitrogen removal of wastewater is an important contributor to carbon emissions. However, traditional heterotrophic denitrification still has the problems of excessive residual sludge and the requirement of external
Read MoreA laboratory-scale superconducting energy storage (SMES) device based on a high-temperature superconducting coil was developed. This SMES has three major distinctive features: (a) it operates between 64 and 77K, using liquid nitrogen (LN 2) for cooling; (b) it uses a ferromagnetic core with a variable gap to increase the stored
Read MoreAn energy storage unit is a device able to store thermal energy with a limited temperature drift. After precooling such unit with a cryocooler it can be used as a temporary cold source if the
Read MoreThis study constructed a phototrophic simultaneous nitrification-denitrification phosphorus removal (P-SNDPR) system to treat low carbon to nitrogen
Read MoreThe components are characterized and their properties are evaluated for inclusion into composite energy storage devices. A supercapacitor is fabricated with two component sheets to evaluate its performance and the devices are stacked up to test the scalability of the storage device. 2. Results and discussion2.1.
Read MoreIn recent years, nitrogen-doped carbons show great application potentials in the fields of electrochemical energy storage and conversion. Here, the ultrafast and
Read MoreA device able to store thermal energy without large temperature drift (Energy Storage Unit – ESU) is coupled to the cryocooler cold finger through a thermal switch: during the first phase (precooling phase), the ESU is cooled down with the thermal switch in its high conductance state (ON state). After this first phase, the switch is toggled
Read MoreDeveloping an energy storage electrocatalyst that excels in efficiency, cost-effectiveness, and long-term stability over numerous charge–discharge cycles is paramount for advancing energy storage technologies. In this work, we present a simple and environmentally friendly method to fabricate an asymmetric supercapa
Read MoreIn this chapter, various ferrites (CoFe 2 O 4, MnFe 2 O 4, ZnFe 2 O 4, and NiFe 2 O 4) and their nanocomposites were discussed for their applications in energy storage devices, specifically, supercapacitors rstly, the common structure of ferrites was discussed with literature survey on various synthesis methods used for the synthesis of
Read MoreUse of a low-cost and energy-efficient device for treating low-strength wastewater at low temperatures focusing on nitrogen removal and microbial community Sci Total Environ. 2020 Jun 20; 722:137916. Considering both the pollutant removal efficiency and investment costs, this device is acceptable as part of a low-strength
Read MoreFlexible electrochemical energy storage devices have attracted extensive attention as promising power sources for the ever-growing field of flexible and wearable electronic products. However, the
Read MoreAydin et al. [228] proposed an open energy storage system that adopted photovoltaic panels/off-peak electricity in the charge process. The combination of the energy storage system and the PV technology made it possible to remove the auxiliary electrical heater from the system and thus reduced the costs and increased the COPs.
Read MoreThe nitrogen removal performance of the device and the effect of organic matter concentration on the nitrogen transformation were discussed. The results showed that DN, The energy consumption of the nitrogen removal was only 2.67 kW h/kgN, indicating that the DN-PN-Anammox process greatly reduced the cost of nitrogen
Read MoreHeteroatom doping, pore engineering, and morphology design are efficient strategies to develop a high-performance electrode material for supercapacitors. In the periodic table of the elements, nitrogen is adjacent to carbon and their atomic radii are close to each other; therefore, the doping of nitrogen atoms can cause the lattice of the
Read MoreIn recent years, supercapacitors have garnered significant attention as an exceptionally cost-effective energy storage device. By harnessing ion adsorption and rapid oxidation–reduction reactions, they offer notable advantages such as rapid charging,
Read MoreConventional biological nutrient removal processes rely on external aeration and produce significant carbon dioxide (CO2) emissions. This study constructed a phototrophic simultaneous nitrification-denitrification phosphorus removal (P-SNDPR) system to treat low carbon to nitrogen (C/N) ratios wastewater and investigated the
Read MoreAn energy storage unit is a device able to store thermal energy with a limited temperature drift. After precooling such unit with a cryocooler it can be used as a temporary cold source if the cryocooler is stopped or as a thermal buffer to attenuate temperature fluctuations due to heat bursts. In this article, after a brief study of the possible solutions for such devices,
Read MoreCarbon is the most versatile material and almost touches every aspect of our daily life, such as newspaper, ink, pencil, tire, water purification, energy storage, environmental remediation, civil
Read MoreA very competitive energy density of 577 Wh L −1 can be reached, which is well above most reported flow batteries (e.g. 8 times the standard Zn-bromide battery), demonstrating that the nitrogen cycle with eight-electron transfer can offer promising cathodic redox chemistry for safe, affordable, and scalable high-energy-density storage
Read MoreBased on the conventional process of liquid nitrogen energy storage combined with air separation unit (AS-LNES), the proposed AS-LNES-WHSM process modifies the liquefaction and power generation processes while recovering compression waste heat for air purification processes in ASU.
Read MoreIn this work, we present a simple and environmentally friendly method to fabricate an asymmetric supercapacitor device (ASCD) as a viable energy storage
Read MoreIn recent years, nitrogen-doped carbons show great application potentials in the fields of electrochemical energy storage and conversion. Here, the ultrafast and green preparation of nitrogen-doped carbon nanotubes (N-CNTs) via an efficient flash Joule heating method is reported.
Read MoreAs the photovoltaic (PV) industry continues to evolve, advancements in nitrogen energy storage device removal have become instrumental in optimizing the utilization of renewable energy sources. From innovative battery technologies to smart energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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