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- Andres, Britta, 1986-, et al.
(författare)
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Electrode Mass Balancing as an Inexpensive and Simple Method to Increase the Capacitance of Electric Double-Layer Capacitors
- 2016
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Ingår i: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 11:9, s. 1-12
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Tidskriftsartikel (refereegranskat)abstract
- Symmetric electric double-layer capacitors (EDLCs) have equal masses of the same active material in both electrodes. However, having equal electrode masses may prevent the EDLC to have the largest possible specific capacitance if the sizes of the hydrated anions and cations in the electrolyte differ because the electrodes and the electrolyte may not be completely utilized. Here we demonstrate how this issue can be resolved by mass balancing. If the electrode masses are adjusted according to the size of the ions, one can easily increase an EDLC's specific capacitance. To that end, we performed galvanostatic cycling to measure the capacitances of symmetric EDLCs with different electrode mass ratios using four aqueous electrolytes-Na2SO4, H2SO4, NaOH, and KOH (all with a concentration of 1 M)-and compared these to the theoretical optimal electrode mass ratio that we calculated using the sizes of the hydrated ions. Both the theoretical and experimental values revealed lower-than-1 optimal electrode ratios for all electrolytes except KOH. The largest increase in capacitance was obtained for EDLCs with NaOH as electrolyte. Specifically, we demonstrate an increase of the specific capacitance by 8.6% by adjusting the electrode mass ratio from 1 to 0.86. Our findings demonstrate that electrode mass balancing is a simple and inexpensive method to increase the capacitance of EDLCs. Furthermore, our results imply that one can reduce the amount of unused material in EDLCs and thus decrease their weight, volume and cost.
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- Blomquist, Christine, et al.
(författare)
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Beställar-utförarmodellen möter politiken
- 1994
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Ingår i: Organisationsexperiment i kommuner och landsting. - 9188384411 ; , s. 78-92
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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- Blomquist, Christine, et al.
(författare)
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Har McDonalds något att lära kommunerna?
- 1993
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Ingår i: Kommuner och landsting i förändring. - 9144377118 ; , s. 205-219
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 7. |
- Blomquist, Christine
(författare)
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I marknadens namn : mångtydiga reformer i svenska kommuner
- 1996
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This dissertation reports on a study of reform processes in public organisations. It describes how two municipalities planned and attempted the introduction of the purchaser-supplier model. This type of reform reflects one important contemporary idea - that of the market as an all-encompassing institution. The study focuses on the very process of reforming, with the aim of providing an alternative, i.e. non-normative presentation of this process. This is done within the framework of institutional organisation theory. In order to account for the fact that changes are not only deliberate, but also adaptive and unpredictable, the reforms are interpreted as processes of translation. The concept of translation makes it possible to grasp the ambiguity, dynamism and complexity of the reforming process. The notion of translation allows a theoretical link to be constructed between stability and change. The study shows that while change is brought about and reflected in a change of language, the established images of the organisation are reproduced in this process. It was possible to discern a conflict between the explicit desire to be specific and thus distinguish oneself from others, and the fear that the process might lead to a situation were municipalities become more like other organisations. This conflict is interpreted as a tension between the creation of a particular and a universal identity. Thus, it is argued that an important outcome of reforms is not only that they create new activities but that reforms create new identities. It is shown how reforms reshape the actors', i.e. the individuals' and organisations', opinions of themselves and, accordingly, their opinion of the appropriate way to act. The plurality of meaning explains the fact that an organisation can have multiple identities. Plurality of meaning thus creates an ambiguity that extends the range of action, since actors can choose an appropriate identity to act upon. The emerging organisational identity influences the kind of translations that will be carried out in the future. Interpreting reforms as identity-transforming processes moves the focus of attention from the short-term to the long-term consequences of change.
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- Blomquist, Christine
(författare)
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In the name of managerialism : Reforming organizations in the Swedish public sector
- 2000
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Ingår i: Administrative Theory & Praxis. - : Informa UK Limited. - 1084-1806 .- 1949-0461. ; 22:2, s. 226-245
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Tidskriftsartikel (refereegranskat)abstract
- This paper focuses on the translation of managerialism in the Swedish public sector. A field study of the attempts by two large municipalities to launch a grand reform in the name of managerialism, that is, a purchasersupplier reform, shows the by now familiar difficulties of trying to change public organizations. Thus the actual consequences of actions taken in the name of managerialism are perhaps more complex than is often understood within new public management theory.The concept of translation could be a way of improving this understanding. By using this concept it is possible to grasp the complexity as well as the ambiguity and dynamism of change processes, a task that conventional concepts sometimes fail to fulfill.The overall analysis of the field study is held within the framework of institutional organization theory. By applying the notion of translation, a theoretical link can be constructed between organizational and institutional change.
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- Blomquist, Christine
(författare)
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Leadership and strategy in a transforming academic field
- 2017
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Ingår i: Modernizing the Public Sector: Scandinavian Perspectives. - 9781317197928 - 9781138675940 ; , s. 163-177
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Bokkapitel (refereegranskat)abstract
- The academic field in Sweden is in a state of transformation. Demands for change are facing universities and colleges. Drawing on empirical illustrations from the public debate in Sweden and from strategic plans of Lund University, analysis shows the prevalence of two dominant logics in the field - collegiality and managerialism. Leadership becomes a matter of handling these logics and making sense of ambiguity, inconsistency and paradoxes. It can be seen as a process of finding a third way between two logics, of ‘muddling through’ in a traditional Swedish way.
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