TissuPath

ABSTRACT Conductive inks formulated from graphene‐based materials are essential for translating graphene's potential into real‐world applications. High‐concentration inks are particularly valuable, enabling fewer deposition steps, reduced drying costs, and improved film uniformity. However, increasing graphene concentration typically leads to a steep rise in viscosity, limiting compatibility with most printing techniques. In this work, we address this challenge by compacting expanded reduced graphite oxide into dense‐block reduced graphite oxide, termed DB‐rGtO, allowing the formulation of stable dispersions of graphene‐derived material at concentrations up to 200 mg·mL −1 , while maintaining manageable flowability and deformation resistance. We demonstrate that solvation of DB‐rGtO particles serves as a fundamental strategy to modulate ink viscosity, enabling property tuning at high solids content. The degree of solvation, quantified using polarized light microscopy, correlates well with viscosity predictions based on the Krieger–Dougherty model. Using nitrogen‐doped expanded reduced graphite oxide as the starting material, this approach enables single‐pass printed films and patterns with conductivities ranging from 5 to 10 Ω·□ −1 . Our findings establish general design rules for formulating concentrated, conductive graphene‐based inks with little to no additive, adaptable across various deposition techniques for producing high‐resolution, high‐fidelity features.

This paper presents a tariff-responsive coordinated energy management strategy (EMS) for a proposed vehicle-toeverything (V2X) EV charger where the EMS is designed to interact with the existing residential time-of-use (ToU) electricity tariff. The coordinated energy management keeps the residential load operation uninterrupted even during peak hours. The proposed EMS facilitates green EV charging during solar noon rather than solar curtailment, which eventually prevents the formation of the duck curve. Additionally, resource utilization is maximized during the off-peak hours at a lower cost, which also reduces the partial electricity bill for residential customers. A 24hour simulation results obtained using the proposed EMS are presented, where the EMS was applied to a proposed V2X charger connected to a standard solar-connected home. By applying the proposed EMS, savings for a sample day simulation are shown as A$ 1.28. The simulation results demonstrate the effectiveness of the proposed tariff-responsive EMS.

This article presents a rock armour stability formula for coastal revetments under depth-limited breaking waves that defines requisite armour mass as a function of incident wave energy. Parameters include wave height, wave period, toe depth, revetment slope, specific gravity of armour and water, percentage damage and the number of waves. The formula has been calibrated empirically based on university research flume test data. It departs from existing approaches by using wave energy in lieu of wave height as the disturbing parameter, but adopts other parameters developed by previous researchers. Results are compared with established formulae and display better coherence with the flume data. Testing constraints including possible scale effects are highlighted. Recommendations are made for further testing including the effects of seabed slope.

At Beach Energy’s Otway Gas Plant (OGP) the mono-ethylene glycol (MEG) system salt concentration increased significantly following the commissioning of new subsea horizontally completed wells. Therefore, to de-risk future developments, which are anticipated to include similar wells, a salt removal strategy was implemented. The use of MEG for gas hydrate suppression in wet-raw gas subsea or onshore production pipelines is common across the oil and gas industry, with the MEG recycled using well-proven regeneration and/or reclamation technologies. The MEG extracts water that can contain residual salt and minerals, which over time accumulate in the MEG and can lead to several operational issues, including severe fouling in the MEG regeneration plant, production line blockages and production pipeline integrity concerns, such as accelerated corrosion. MEG reclamation is used to minimise salt accumulation and to date, the dominant technologies employed have been vacuum distillation or flash vaporisation. However, since early 2022, electrodialysis (ED) membrane technology has been deployed at the OGP in an effort to find a more cost-effective solution. The technology is proving a viable alternative to a traditional vacuum distillation reclaiming–regeneration process with energy savings of 17–28% for a hybrid ED-Regeneration process with significantly lower capital cost. This paper details the technical and operational challenges overcome to implement the ED reclamation technology in an industry with more stringent regulatory requirements when compared to typical ED applications (e.g. within the water treatment, pharmaceutical, and food and beverage industries), as well as present the main system performance outcomes following 6 months of operation.