High Energy Density Battery: Using Advanced Carbon to Provide Sufficient Electrolyte Pathways and Increase the SeS2Content
- Type
- Conference Paper
- Citation
- Materials Challenges in Alternative and Renewable Energy 2019
- Issued Date
- 2019-08-21
- Abstract
- Inthisstudy,therelationshipbetweenthecarbonmorphologyandtheSeS2/Cbatteryisinvestigated.Previously,scientistshavedifficultyforsolvinglowdischargevoltage(<1.7V)ofthefirstcyclewhenSeS2contentisincreasedmorethan65wt.%[1,2],whichinterferestoreachthehighenergydensityduetoalowweightpercentageofactivematerialsinthecathode.Toaddressthisissue,advancedorderedmesoporouscarbons(OMCs)thatmodifiedthetotalporevolumeandmorphologiesareadapted.TherearethreetypesofOMCshapesthathavedifferentmorphologiesandtotalporevolumeasshowninFig.1:rod-type(R-OMC,2.26cm3/g),platelet-type(P-OMC,2.05cm3/g)andgrain-type(G-OMC,1.33cm3/g).TheP-OMCandtheR-OMCseemtosolvethisproblembecausethelargeporevolume(>2cm3/g)ofOMCcanprovidessufficientamountsofelectrolytepathwayseventhoughtheycontainhighSeS2(75wt.%)inthecomposites,sotheyresultinahighdischargevoltage(1.9V)ofthefirstcyclewithhighloadingcondition.
- Publisher
- 미국세라믹학회
- Conference Place
- US
- Appears in Collections:
- Department of Chemistry > 2. Conference Papers
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