E-lojalitet för heminrednings- och möbelbranschen

Syftet med denna studie är att ur ett konsumentperspektiv skapa en djupare förståelse för vilka företagsrelaterade faktorer som kan leda till kundlojalitet inom heminrednings- och möbelbranschen på internet. Vår uppsats teoretiska referensram grundar sig i teorier som består av modeller och begrepp knutna till lojalitet, kundnöjdhet, förtroende och engagemang.Uppsatsens empiri består av erhållna svar från tolv semistrukturerade intervjuer med respondenter i åldrarna 23-30 år. Vi har utifrån vårt teoretiska ramverk i samband med uppsatsens empiri kommit fram till att leveranstid, kundservice och produktinformation kan vara lojalitetsskapande faktorer för heminrednings- och möbelbranschen på internet för studiens deltagar

An interface for easier use : A qualitative study of a mobile tracking application's interface and the elements that need to be developed

I takt med att ägandet av smartphones ökat samt att tekniken utvecklats så har det blivit allt mer förekommande med spårning av GPS-enheter. Användningen innefattar flera områden som exempelvis berör spårning av djur, fordon och människor. Tidigare forskning har främst fokuserat på de tekniska aspekterna med GPS och i flera av dessa källor nämns kortfattat att de mobila gränssnitten har fått kritik från studiernas deltagare och ansetts vara svåra att använda. Syftet med studien var att öka förståelsen för hur spårningsapplikationers gränssnitt kan utformas för att bli mer användarvänliga. Att genom ett användarcentrerat arbete kartlägga vilka element i nuvarande gränssnitt som kan förbättras för att underlätta användares kognitiva belastning vid användning. Studien hade en kvalitativ ansats och data samlades in genom intervjuer med erfarna användare av spårningsapplikationen Go. Det var Go-applikationens gränssnitt som undersöktes i studien. För att kunna besvara forskningsfrågan användes Foggs beteendemodell, UX och informationsarkitektur för att skapa intervjufrågor samt för att analysera och diskutera resultaten. Studiens resultat är inte generaliserbart eftersom urvalet var för litet och ej slumpmässigt framtaget. Därmed gav studiens resultat endast en första inblick av vilka element i gränssnittet som var i behov av att utvecklas för att förbättra spårningsapplikationens gränssnitt. Studien visade att informanterna var tillräckligt motiverade och att det framför allt var förmågan som behövde ökas och att det i vissa fall behövdes triggers. De element i gränssnittet som behövde utvecklas var historiken, larm, platsmarkörer, inställningar, informationssidan och livespårning. Tillvägagångssätten för att utveckla dessa element berör oftast ett grafiskt tydliggörande eller förklarande.As the usage of smartphones has increased and the technology also has developed, it has become increasingly common with tracking of GPS devices. The usage includes multiple areas such as tracking of animals, vehicles, and people. Early research has mainly focused on the technical aspects with GPS and in a few of these sources it is briefly mentioned that mobile interfaces have been criticized by the study participants and are considered difficult to use. The purpose of this research was to increase the understanding on how tracking applications interface can be designed to be more user friendly. Through a User-Centered work to map how elements and functions in a current interface can improve to ease the users cognitive load during usage. The research had a qualitative approach and the data that was collected through interviews with experienced users of the tracking application Go. It was the interface of Go that was being studied during the research. To answer our research question, Fogg's behavior model was used together with UX and information architecture to create questions for the interviews and to analyze the results. Results of this research are not generalizable since the sample was small and not randomly selected. Hence, the results of the research provided a first insight of which elements in the interface that need development to improve the interface of tracking applications. The research showed that the informants are motivated enough and that it was primarily their ability that needed to be increased and, in some cases, triggers were needed. The elements on the interface that needed to be developed were, the history, the alarm, placemarks, settings, information page and live tracking. The approach to develop the elements often touches on a graphical clarity or explanatory note

An interface for easier use : A qualitative study of a mobile tracking application's interface and the elements that need to be developed

I takt med att ägandet av smartphones ökat samt att tekniken utvecklats så har det blivit allt mer förekommande med spårning av GPS-enheter. Användningen innefattar flera områden som exempelvis berör spårning av djur, fordon och människor. Tidigare forskning har främst fokuserat på de tekniska aspekterna med GPS och i flera av dessa källor nämns kortfattat att de mobila gränssnitten har fått kritik från studiernas deltagare och ansetts vara svåra att använda. Syftet med studien var att öka förståelsen för hur spårningsapplikationers gränssnitt kan utformas för att bli mer användarvänliga. Att genom ett användarcentrerat arbete kartlägga vilka element i nuvarande gränssnitt som kan förbättras för att underlätta användares kognitiva belastning vid användning. Studien hade en kvalitativ ansats och data samlades in genom intervjuer med erfarna användare av spårningsapplikationen Go. Det var Go-applikationens gränssnitt som undersöktes i studien. För att kunna besvara forskningsfrågan användes Foggs beteendemodell, UX och informationsarkitektur för att skapa intervjufrågor samt för att analysera och diskutera resultaten. Studiens resultat är inte generaliserbart eftersom urvalet var för litet och ej slumpmässigt framtaget. Därmed gav studiens resultat endast en första inblick av vilka element i gränssnittet som var i behov av att utvecklas för att förbättra spårningsapplikationens gränssnitt. Studien visade att informanterna var tillräckligt motiverade och att det framför allt var förmågan som behövde ökas och att det i vissa fall behövdes triggers. De element i gränssnittet som behövde utvecklas var historiken, larm, platsmarkörer, inställningar, informationssidan och livespårning. Tillvägagångssätten för att utveckla dessa element berör oftast ett grafiskt tydliggörande eller förklarande.As the usage of smartphones has increased and the technology also has developed, it has become increasingly common with tracking of GPS devices. The usage includes multiple areas such as tracking of animals, vehicles, and people. Early research has mainly focused on the technical aspects with GPS and in a few of these sources it is briefly mentioned that mobile interfaces have been criticized by the study participants and are considered difficult to use. The purpose of this research was to increase the understanding on how tracking applications interface can be designed to be more user friendly. Through a User-Centered work to map how elements and functions in a current interface can improve to ease the users cognitive load during usage. The research had a qualitative approach and the data that was collected through interviews with experienced users of the tracking application Go. It was the interface of Go that was being studied during the research. To answer our research question, Fogg's behavior model was used together with UX and information architecture to create questions for the interviews and to analyze the results. Results of this research are not generalizable since the sample was small and not randomly selected. Hence, the results of the research provided a first insight of which elements in the interface that need development to improve the interface of tracking applications. The research showed that the informants are motivated enough and that it was primarily their ability that needed to be increased and, in some cases, triggers were needed. The elements on the interface that needed to be developed were, the history, the alarm, placemarks, settings, information page and live tracking. The approach to develop the elements often touches on a graphical clarity or explanatory note

Metal-free supercapacitor with aqueous electrolyte and low-cost carbon materials

Electric double-layer capacitors (EDLCs) or supercapacitors (SCs) are fast energy storage devices with high pulse efficiency and superior cyclability, which makes them useful in various applications including electronics, vehicles and grids. Aqueous SCs are considered to be more environmentally friendly than those based on organic electrolytes. Because of the corrosive nature of the aqueous environment, however, expensive electrochemically stable materials are needed for the current collectors and electrodes in aqueous SCs. This results in high costs for a given energy-storage capacity. To address this, we developed a novel low-cost aqueous SC using graphite foil as the current collector and a mix of graphene, nanographite, simple water-purification carbons and nanocellulose as electrodes. The electrodes were coated directly onto the graphite foil by using casting frames and the SCs were assembled in a pouch cell design. With this approach, we achieved a material cost reduction of greater than 90% while maintaining approximately one-half of the specific capacitance of a commercial unit, thus demonstrating that the proposed SC can be an environmentally friendly, low-cost alternative to conventional SCs.Published online:05 January 2017</p

Physical and electrochemical properties of cobalt doped (ti,ru)O2 electrode coatings

The physical and electrochemical properties of ternary oxides Ti 0.7Ru0.3-xCoxO2 (x = 0.093 and x = 0) have been investigated and compared. Samples of three different thicknesses were prepared by spin-coating onto polished titanium to achieve uniform and well-defined coatings. The resulting electrodes were characterized with a variety of methods, including both physical and electrochemical methods. Doping with cobalt led to a larger number of micrometer-sized cracks in the coating, and coating grains half the size compared to the undoped samples (10 instead of 20 nm across). This is in agreement with a voltammetric charge twice as high, as estimated from cyclic voltammetry. There is no evidence of a Co 3O4 spinel phase, suggesting that the cobalt is mainly incorporated in the overall rutile structure of the (Ti,Ru)O2. The doped electrodes exhibited a higher activity for cathodic hydrogen evolution compared to the undoped electrodes, despite the fact that one third of the active ruthenium was substituted with cobalt. For anodic chlorine evolution, the activity was similar for both electrode types

A system for detecting customer behaviour in open productstocks: As Long As It Scales

Denna rapport beskriver systemet ALAIS (As Long As It Scales) och hur det harutvecklats. ALAIS byggdes i samband med ett kandidatarbete i programvaruutvecklingvid Linköpings universitet åt företaget Valtech. Syftet med systemetär att demonstrera att det går att utföra automatiserad A/B-testning genom attplacera skålar med godis på olika vågar och se hur positionen, samt eventuellamärkningar, som ekologisk, påverkar konsumtionen. Det färdiga systemet är uppdelati tre moduler, en som sköter kommunikationen med vågarna, en som utförberäkningar och kommunicerar med en databas, och en som består av ett grafisktgränssnitt som användaren interagerar med. De tre modulerna kommunicerarmed varandra över ett nätverk. Rapporten avslutas med individuella erfarenheterfrån alla gruppmedlemmar

Contacting paper-based supercapacitors to printed electronics on paper substrates

Hybrid printed electronics, in which printed structures and silicon-based components co-exist will likely be among the first commercial solutions. In this case the paper substrate acts much in the same way as circuit boards, containing conductive tracks and acting as a carrier for the electrical components. It is important to consider the contacting of the components to be able to produce low resistance electrical contacts to the conductive tracks. Supercapacitors are able to deliver a large amount of current in a short time and are a good option for short term energy storage and if the printed product is to be used only one, or a few times, it can be the only power source needed. When manufacturing printed electronics, the overall resistance of the printed tracks as well as the contact resistance of the mounted components will add up to the total resistance of the system. A high resistance will cause a voltage drop from the power source to the component. This will waste power that goes to Joule heating and also the voltage and current available to components may be too low to drive them. If the intention is to use a power supply such as batteries or solar cells this becomes a limitation. In this article have been tested several conductive adhesives used to contact paper based supercapacitors to ink jet printed silver tracks on paper. The best adhesive gives about 0.3 Ω per contact, a factor 17 better compared to the worst which gave 5 Ω. The peak power that is possible to take out from a printed system with a flexible battery and super capacitors is about 10 times higher than compared with the same system with only the battery

Supercapacitors with graphene coated paper electrodes

Paper based supercapacitors are prepared by stacking a paper between two graphene electrodes and soaking these in an aqueous electrolyte. We demonstrate that supercapacitors can easily be manufactured by using proven paper technologies. Several different electrode materials were compared and two types of contacting material, silver and graphite foil were tested. The influence of the paper used as separator was also investigated. The supercapacitors with a graphene-gold nanoparticle composite as electrodes showed a specific capacitance of up to 100 F/g and an energy density of 1.27 Wh/kg. The energy density can further be increased by using other electrolytes. The silver contacts showed a pseudo capacitance, which the graphite contacts did not. The papers tested had a minor effect on the capacitance, but they have an influence on the weight and the volume of the supercapacitor

Liquid exfoliation (LE) methods for solution processing of MoS₂ indicating the solvent used, if surfactant was employed, the final dispersion concentration, exfoliation time, and range or the average lateral nanosheet dimension reported according to AFM or TEM statistical measurements.

<p>Liquid exfoliation (LE) methods for solution processing of MoS₂ indicating the solvent used, if surfactant was employed, the final dispersion concentration, exfoliation time, and range or the average lateral nanosheet dimension reported according to AFM or TEM statistical measurements.</p

FTIR spectrum for MoS₂.

<p>The data for measurements were offset on the vertical axis for clarity.</p